{"pageNumber":"1","pageRowStart":"0","pageSize":"25","recordCount":11381,"records":[{"id":70275694,"text":"70275694 - 2026 - Refinement of a framework for Moving Aircraft River Velocimetry (MARV) and application to particle tracking along Alaskan rivers","interactions":[],"lastModifiedDate":"2026-05-12T13:47:57.040645","indexId":"70275694","displayToPublicDate":"2026-05-11T08:46:00","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Refinement of a framework for Moving Aircraft River Velocimetry (MARV) and application to particle tracking along Alaskan rivers","docAbstract":"<p><span>Information on river velocities enhances understanding flood hazards, evaluating habitat conditions, and predicting the transport of floating materials. In this follow-up study, we used data from two new sites, one with a more complex morphology and the other with a lower suspended sediment concentration, to provide further evidence that Moving Aircraft River Velocimetry (MARV) can yield accurate velocity estimates ( <i>R</i><sup>2</sup></span><span>&nbsp;up to 0.87 when compared to field measurements) for long segments of large, turbid rivers. The MARV workflow is packaged in freely available software and is robust to implementation details; neither buffering to mitigate edge effects nor a new approach to aggregating velocity vectors improved performance. MARV was not sensitive to parameters used to establish overlapping image sequences, but combining a long window with a short jump between consecutive windows was the optimal configuration. Although accuracy varied from one cross section to the next, agreement between remotely sensed velocities and those measured in the field was independent of position within a frame range. As an initial step toward application of the approach to help address practical problems, we showed how MARV can drive particle tracking models. Our first-order simulations suggest that channel morphology and flow velocity are the primary controls on travel time and particle fate, with diffusive processes playing a lesser role. Although MARV can be used to characterize an instantaneous flow field, a more comprehensive framework that accounts for other physical processes would be required to model specific types of events like oil spills.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2025WR043181","usgsCitation":"Legleiter, C.J., Kinzel, P.J., Laker, M., and Conaway, J., 2026, Refinement of a framework for Moving Aircraft River Velocimetry (MARV) and application to particle tracking along Alaskan rivers: Water Resources Research, v. 62, no. 5, e2025WR043181, 36 p., https://doi.org/10.1029/2025WR043181.","productDescription":"e2025WR043181, 36 p.","ipdsId":"IP-184216","costCenters":[{"id":37786,"text":"WMA - Observing Systems Division","active":true,"usgs":true}],"links":[{"id":504369,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2025wr043181","text":"Publisher Index Page"},{"id":504278,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Tanana River, Yukon River","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -149.75570313334435,\n              65.91143177654979\n            ],\n            [\n              -149.47674302069896,\n              65.91143177654979\n            ],\n            [\n              -149.47674302069896,\n              65.84208480633984\n            ],\n            [\n              -149.75570313334435,\n              65.84208480633984\n            ],\n            [\n              -149.75570313334435,\n              65.91143177654979\n            ]\n          ]\n        ]\n      }\n    },\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -145.77263488160432,\n              64.18041091114998\n            ],\n            [\n              -145.87601297288305,\n              64.18041091114998\n            ],\n            [\n              -145.87601297288305,\n              64.1422606892462\n            ],\n            [\n              -145.77263488160432,\n              64.1422606892462\n            ],\n            [\n              -145.77263488160432,\n              64.18041091114998\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"62","issue":"5","noUsgsAuthors":false,"publicationDate":"2026-05-11","publicationStatus":"PW","contributors":{"authors":[{"text":"Legleiter, Carl J. 0000-0003-0940-8013 cjl@usgs.gov","orcid":"https://orcid.org/0000-0003-0940-8013","contributorId":169002,"corporation":false,"usgs":true,"family":"Legleiter","given":"Carl","email":"cjl@usgs.gov","middleInitial":"J.","affiliations":[{"id":37778,"text":"WMA - Integrated Modeling and Prediction Division","active":true,"usgs":true},{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"preferred":true,"id":961428,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kinzel, Paul J. 0000-0002-6076-9730 pjkinzel@usgs.gov","orcid":"https://orcid.org/0000-0002-6076-9730","contributorId":743,"corporation":false,"usgs":true,"family":"Kinzel","given":"Paul","email":"pjkinzel@usgs.gov","middleInitial":"J.","affiliations":[{"id":37778,"text":"WMA - Integrated Modeling and Prediction Division","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true},{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"preferred":true,"id":961429,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Laker, Mark","contributorId":298315,"corporation":false,"usgs":false,"family":"Laker","given":"Mark","email":"","affiliations":[{"id":64530,"text":"U.S. Fish and Wildlife Service, Kenai National Wildlife Refuge","active":true,"usgs":false}],"preferred":false,"id":961430,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Conaway, Jeff 0000-0002-3036-592X","orcid":"https://orcid.org/0000-0002-3036-592X","contributorId":214226,"corporation":false,"usgs":true,"family":"Conaway","given":"Jeff","affiliations":[{"id":120,"text":"Alaska Science Center Water","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":961431,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70275662,"text":"70275662 - 2026 - Nest site and habitat changes over 15 years in a predicted climate refugium in Beluga, AK, USA, have a positive impact on Hudsonian godwit (Limosa haemastica) nest survival","interactions":[],"lastModifiedDate":"2026-05-07T14:50:17.396624","indexId":"70275662","displayToPublicDate":"2026-04-30T09:44:26","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3093,"text":"Polar Biology","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Nest site and habitat changes over 15 years in a predicted climate refugium in Beluga, AK, USA, have a positive impact on Hudsonian godwit (<i>Limosa haemastica</i>) nest survival","title":"Nest site and habitat changes over 15 years in a predicted climate refugium in Beluga, AK, USA, have a positive impact on Hudsonian godwit (Limosa haemastica) nest survival","docAbstract":"<p><span>Climate change is transforming the Arctic and sub-Arctic at a pace that threatens many taxa with population declines and extinction. However, some habitats–such as muskeg bogs–can serve as climatic refugia and lessen the effects of a changing climate on the species that rely on them. Hudsonian Godwits (</span><i>Limosa haemastica</i><span>) are a species of migratory shorebird that utilizes the muskeg bogs of Alaska and Canada to breed. Our study focused on a muskeg bog in Beluga, Alaska, USA to see if it had changed from 2009 to 2023, if the availability of Godwit nests sites in the bogs changed in concert, and if Godwit nest survival was affected by any of these changes. We found that, overall, the bog dried and became more vegetated, with the proportional cover of graminoids, shrubs, and forbs all increasing during our study. Godwit nest sites also changed, with the proportion of shrubs and graminoids around nests increasing over time. Nonetheless, these changes did not negatively impact Godwit nest survival. Instead, nest survival increased ~ 22% during our study period, and we observed no decline in the number of potential nests sites available to Godwits. Taken together, these results suggest that while muskeg bogs are changing, they are also currently acting as climate refugia for Godwits. However, it is unclear for how long muskeg bogs can continue to buffer Godwits and other species from the effects of climate change.</span></p>","language":"English","publisher":"Springer","doi":"10.1007/s00300-026-03489-8","usgsCitation":"Smith, E., Swift, R.J., Courtemanche, A., Huang, F., Pelton, M.M., Puleo, L., Simmonds, J., Waller, M., Walton, H., Weissburg, C., Wilde, L.R., and Senner, N.R., 2026, Nest site and habitat changes over 15 years in a predicted climate refugium in Beluga, AK, USA, have a positive impact on Hudsonian godwit (Limosa haemastica) nest survival: Polar Biology, v. 49, 47, https://doi.org/10.1007/s00300-026-03489-8.","productDescription":"47","ipdsId":"IP-182024","costCenters":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":504087,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","city":"Beluga","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -151.1516898202142,\n              61.23896112663158\n            ],\n            [\n              -150.95964132905272,\n              61.23896112663158\n            ],\n            [\n              -150.95964132905272,\n              61.12105149361793\n            ],\n            [\n              -151.1516898202142,\n              61.12105149361793\n            ],\n            [\n              -151.1516898202142,\n              61.23896112663158\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"49","noUsgsAuthors":false,"publicationDate":"2026-04-30","publicationStatus":"PW","contributors":{"authors":[{"text":"Smith, Eden","contributorId":371234,"corporation":false,"usgs":false,"family":"Smith","given":"Eden","affiliations":[{"id":34616,"text":"University of Massachusetts Amherst","active":true,"usgs":false}],"preferred":false,"id":961332,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Swift, Rose J. 0000-0001-7044-6196","orcid":"https://orcid.org/0000-0001-7044-6196","contributorId":212082,"corporation":false,"usgs":true,"family":"Swift","given":"Rose","email":"","middleInitial":"J.","affiliations":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":961333,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Courtemanche, Anna","contributorId":371235,"corporation":false,"usgs":false,"family":"Courtemanche","given":"Anna","affiliations":[{"id":34616,"text":"University of Massachusetts Amherst","active":true,"usgs":false}],"preferred":false,"id":961334,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Huang, Feipeng","contributorId":371089,"corporation":false,"usgs":false,"family":"Huang","given":"Feipeng","affiliations":[{"id":88085,"text":"Department of Environmental Conservation, University of Massachusetts Amherst, Amherst, Massachusetts, USA","active":true,"usgs":false}],"preferred":false,"id":961335,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Pelton, Mary Margaret","contributorId":371236,"corporation":false,"usgs":false,"family":"Pelton","given":"Mary","middleInitial":"Margaret","affiliations":[{"id":88108,"text":"Belle W. Baruch Institute for Marine and Coastal Sciences","active":true,"usgs":false}],"preferred":false,"id":961336,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Puleo, Lauren","contributorId":371093,"corporation":false,"usgs":false,"family":"Puleo","given":"Lauren","affiliations":[{"id":88085,"text":"Department of Environmental Conservation, University of Massachusetts Amherst, Amherst, Massachusetts, USA","active":true,"usgs":false}],"preferred":false,"id":961337,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Simmonds, Josiah","contributorId":371237,"corporation":false,"usgs":false,"family":"Simmonds","given":"Josiah","affiliations":[{"id":36523,"text":"University of Montana","active":true,"usgs":false}],"preferred":false,"id":961338,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Waller, Matthew","contributorId":371238,"corporation":false,"usgs":false,"family":"Waller","given":"Matthew","affiliations":[{"id":13252,"text":"University of Utah","active":true,"usgs":false}],"preferred":false,"id":961339,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Walton, Hannah","contributorId":371239,"corporation":false,"usgs":false,"family":"Walton","given":"Hannah","affiliations":[{"id":13360,"text":"Auburn University","active":true,"usgs":false}],"preferred":false,"id":961340,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Weissburg, Casey","contributorId":371240,"corporation":false,"usgs":false,"family":"Weissburg","given":"Casey","affiliations":[{"id":6709,"text":"University of Colorado, Denver","active":true,"usgs":false}],"preferred":false,"id":961341,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Wilde, Luke R.","contributorId":371241,"corporation":false,"usgs":false,"family":"Wilde","given":"Luke","middleInitial":"R.","affiliations":[{"id":36628,"text":"University of Wyoming","active":true,"usgs":false}],"preferred":false,"id":961342,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Senner, Nathan R.","contributorId":371242,"corporation":false,"usgs":false,"family":"Senner","given":"Nathan","middleInitial":"R.","affiliations":[{"id":34616,"text":"University of Massachusetts Amherst","active":true,"usgs":false}],"preferred":false,"id":961343,"contributorType":{"id":1,"text":"Authors"},"rank":12}]}}
,{"id":70275367,"text":"70275367 - 2026 - Dynamic drainage reorganization in Eastern Tibet: Insights from the Yangtze River first bend","interactions":[],"lastModifiedDate":"2026-05-01T15:26:27.966229","indexId":"70275367","displayToPublicDate":"2026-04-22T09:38:48","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1427,"text":"Earth and Planetary Science Letters","active":true,"publicationSubtype":{"id":10}},"title":"Dynamic drainage reorganization in Eastern Tibet: Insights from the Yangtze River first bend","docAbstract":"<p><span>The modern drainage network of eastern Tibet is widely believed to have developed through a series of river capture and flow reversal events; however, the timing and mechanisms driving this reorganization remain contentious. Among these events, the river capture that formed the First Bend of the Yangtze River (YFB) stands out as both iconic and particularly debated. Here we present sedimentary provenance data from the Late Miocene–Quaternary Dali Basin, located south of the YFB, which indicate that a southward-flowing Jinsha River (i.e., the present-day upper Yangtze River) sourced sediment to the Dali basin at ∼7.4–6.4 Ma in a drainage configuration different from that of today. Because this interval postdates the initial establishment of a near-modern Jinsha River system prior to the Miocene, our results imply at least two discrete fluvial reorganizations occurred at the YFB—one preceding ∼7.4 Ma and another following ∼6.4 Ma. By integrating these findings with landscape evolution modeling, we infer that the initiation of rapid uplift of the Yulong-Haba Mountains and the Diancang Shan may have been responsible for these drainage reorganizations. These results underscore that Cenozoic drainage systems on the eastern Tibetan Plateau have evolved dynamically on a short timescale of ∼10</span><sup>5</sup><span>–10</span><sup>6</sup><span>-year, rather than remaining in a long-term stationary configuration on ∼10</span><sup>7</sup><span>-year timescales.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.epsl.2026.120054","usgsCitation":"Zhao, X., Li, Y., Zhang, H., Lease, R.O., Wang, Y., Hao, Y., Ma, Z., Xie, H., Kang, H., Xiong, J., and Zhang, P., 2026, Dynamic drainage reorganization in Eastern Tibet: Insights from the Yangtze River first bend: Earth and Planetary Science Letters, v. 686, 120054, 13 p., https://doi.org/10.1016/j.epsl.2026.120054.","productDescription":"120054, 13 p.","ipdsId":"IP-157349","costCenters":[{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true}],"links":[{"id":503886,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"China","otherGeospatial":"eastern Tibetan Plateau, first bend of the Yangtze River","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              90,\n              35\n            ],\n            [\n              105,\n              35\n            ],\n            [\n              105,\n              20\n            ],\n            [\n              90,\n              20\n            ],\n            [\n              90,\n              35\n            ]\n          ]\n        ]\n      }\n    }\n  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Huiping","contributorId":197172,"corporation":false,"usgs":false,"family":"Zhang","given":"Huiping","email":"","affiliations":[],"preferred":false,"id":960740,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lease, Richard O. 0000-0003-2582-8966 rlease@usgs.gov","orcid":"https://orcid.org/0000-0003-2582-8966","contributorId":5098,"corporation":false,"usgs":true,"family":"Lease","given":"Richard","email":"rlease@usgs.gov","middleInitial":"O.","affiliations":[{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":960741,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wang, Ying","contributorId":76237,"corporation":false,"usgs":true,"family":"Wang","given":"Ying","email":"","affiliations":[],"preferred":false,"id":960742,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Hao, 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China","active":true,"usgs":false}],"preferred":false,"id":960745,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Kang, Huan","contributorId":370771,"corporation":false,"usgs":false,"family":"Kang","given":"Huan","affiliations":[{"id":85575,"text":"State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration, Beijing, China","active":true,"usgs":false}],"preferred":false,"id":960746,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Xiong, Jianguo","contributorId":370772,"corporation":false,"usgs":false,"family":"Xiong","given":"Jianguo","affiliations":[{"id":85575,"text":"State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration, Beijing, China","active":true,"usgs":false}],"preferred":false,"id":960747,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Zhang, 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,{"id":70275281,"text":"70275281 - 2026 - Evaluating snow depth measurements from ground-penetrating radar and airborne lidar in boreal forest and tundra environments during the NASA SnowEx 2023 campaign","interactions":[],"lastModifiedDate":"2026-04-27T15:06:55.279093","indexId":"70275281","displayToPublicDate":"2026-04-17T10:04:43","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3554,"text":"The Cryosphere","active":true,"publicationSubtype":{"id":10}},"title":"Evaluating snow depth measurements from ground-penetrating radar and airborne lidar in boreal forest and tundra environments during the NASA SnowEx 2023 campaign","docAbstract":"Snow is a vital component of high-latitude terrestrial systems, but environmental factors (e.g., permafrost) and complex vegetation challenge the accurate measurement of key snowpack properties. We evaluated local-scale ground-penetrating radar (GPR) and large-scale airborne lidar retrievals of snow depth collected during the NASA SnowEx 2023 campaign in tundra and boreal forest environments in Alaska along 44 short (3–12 m) transects. Compared to in situ observations, we identified modest biases for GPR snow depths (bias <0.03 m in tundra, +0.06 m in boreal forests) and larger biases for lidar snow depths in the boreal forests (–0.16 m). At the Upper Kuparuk-Toolik tundra site, lidar snow depths exhibited a small bias (–0.02 m), whereas the bias was much larger at the Arctic Coastal Plain tundra site (+0.19 m). For most sites, biases were primarily related to sub-snow vegetation, tussocks, and seasonally dynamic ground. However, we identified vertical alignment issues with the Arctic Coastal Plain lidar snow depth dataset that likely contributed to the higher bias. The complex ground surface and sub-snow vegetation in these environments present a challenge to established snow depth measurement methods, which needs to be considered when evaluating novel remote sensing approaches.","language":"English","publisher":"European Geoscience Union","doi":"10.5194/tc-20-2169-2026","usgsCitation":"Holland-Goon, K., Bonnell, R.R., McGrath, D., Baxter, W.B., Meehan, T., Webb, R., Larsen, C.F., Marshall, H., Mason, M.A., and Vuyovich, C., 2026, Evaluating snow depth measurements from ground-penetrating radar and airborne lidar in boreal forest and tundra environments during the NASA SnowEx 2023 campaign: The Cryosphere, v. 20, no. 4, p. 2169-2179, https://doi.org/10.5194/tc-20-2169-2026.","productDescription":"11 p.","startPage":"2169","endPage":"2179","ipdsId":"IP-188066","costCenters":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true}],"links":[{"id":503766,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.5194/tc-20-2169-2026","text":"Publisher Index Page"},{"id":503549,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -152.09112510557452,\n              70.69728866358227\n            ],\n            [\n              -141.42463228102963,\n              70.69728866358227\n            ],\n            [\n              -141.42463228102963,\n              62.185185988357944\n            ],\n            [\n              -152.09112510557452,\n              62.185185988357944\n            ],\n            [\n              -152.09112510557452,\n              70.69728866358227\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"20","issue":"4","noUsgsAuthors":false,"publicationDate":"2026-04-17","publicationStatus":"PW","contributors":{"authors":[{"text":"Holland-Goon, Kajsa","contributorId":370419,"corporation":false,"usgs":false,"family":"Holland-Goon","given":"Kajsa","affiliations":[{"id":88022,"text":"Department of Geosciences, Colorado State University, Fort Collins, Colorado, USA","active":true,"usgs":false}],"preferred":false,"id":960321,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bonnell, Randall Ray 0000-0002-8812-351X","orcid":"https://orcid.org/0000-0002-8812-351X","contributorId":365098,"corporation":false,"usgs":true,"family":"Bonnell","given":"Randall","middleInitial":"Ray","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true}],"preferred":true,"id":960322,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McGrath, Daniel","contributorId":302518,"corporation":false,"usgs":false,"family":"McGrath","given":"Daniel","affiliations":[{"id":40333,"text":"Department of Geosciences, Colorado State University, Fort Collins, CO","active":true,"usgs":false}],"preferred":false,"id":960323,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Baxter, W. 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,{"id":70275730,"text":"70275730 - 2026 - A practical decision tool for marine bird mortality assessments","interactions":[],"lastModifiedDate":"2026-05-14T14:01:51.445707","indexId":"70275730","displayToPublicDate":"2026-04-17T08:58:00","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":9101,"text":"Ornithological Applications","printIssn":"0010-5422","active":true,"publicationSubtype":{"id":10}},"title":"A practical decision tool for marine bird mortality assessments","docAbstract":"<p><span>Given the rise in anthropogenic, environmental, and disease events contributing to marine bird mortality, there is a critical need to improve the rigor of mortality assessments. Deficits in data collection and mortality estimation can hinder a manager’s ability to document the scale of events and assess population level impacts. Therefore, to inform decisions required during activities, such as conservation status assessments or harvest management, organizations may choose to incorporate mortality assessments into response plans. Resources, capacity, and assets to assess mortality vary across jurisdictions (federal, state, Indigenous, local, etc.), and clear guidance to support mortality assessments is often unavailable or not clearly addressed. Here, we present a decision support tool to help managers identify and evaluate survey options to assess bird mortality in a diverse array of scenarios. The objective of the decision tool is to improve data collection and availability, which will increase the ability to estimate mortality robustly, given situation-specific attributes and constraints. This decision tool is designed to guide the response when a mortality event is initially encountered and offers suggestions for assessment and reporting procedures in the absence of other guidance or to complement existing protocols. The decision tool is also meant to inform decision making for response determination and resource allocation. The tool facilitates examination of options for further assessment and monitoring, which users determine by examining questions pertaining to species prioritization, determination of mortality minimum spatial extent, and the potential magnitude of impacts on affected species. Finally, identification of appropriate survey methods that address imperfect detection when a complete census is not possible are determined by exploring location, spatial and temporal extent, and the type of species affected. Ultimately, this decision tool aims to facilitate and improve the standardization of mortality assessments, equipping managers with a practical resource to navigate the decision-making process for marine bird mortality estimation.</span></p>","language":"English","publisher":"Oxford University Press","doi":"10.1093/ornithapp/duag044","usgsCitation":"Harvey, J., Ramey, A.M., Avery-Gomm, S., Robertson, G.J., Romano, M.D., Mullinax, J.M., Boldenow, M.L., Atkinson, P.W., and Prosser, D., 2026, A practical decision tool for marine bird mortality assessments: Ornithological Applications, https://doi.org/10.1093/ornithapp/duag044.","ipdsId":"IP-180115","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":50464,"text":"Eastern Ecological Science Center","active":true,"usgs":true}],"links":[{"id":504377,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1093/ornithapp/duag044","text":"Publisher Index Page"},{"id":504327,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"edition":"Online First","noUsgsAuthors":false,"publicationDate":"2026-04-17","publicationStatus":"PW","contributors":{"authors":[{"text":"Harvey, Johanna","contributorId":304699,"corporation":false,"usgs":false,"family":"Harvey","given":"Johanna","affiliations":[{"id":7083,"text":"University of Maryland","active":true,"usgs":false}],"preferred":false,"id":961559,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ramey, Andrew M. 0000-0002-3601-8400 aramey@usgs.gov","orcid":"https://orcid.org/0000-0002-3601-8400","contributorId":1872,"corporation":false,"usgs":true,"family":"Ramey","given":"Andrew","email":"aramey@usgs.gov","middleInitial":"M.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":961560,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Avery-Gomm, Stephanie","contributorId":213093,"corporation":false,"usgs":false,"family":"Avery-Gomm","given":"Stephanie","email":"","affiliations":[{"id":12552,"text":"University of Queensland","active":true,"usgs":false}],"preferred":false,"id":961561,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Robertson, Gregory J.","contributorId":371324,"corporation":false,"usgs":false,"family":"Robertson","given":"Gregory","middleInitial":"J.","affiliations":[{"id":36681,"text":"Environment and Climate Change Canada","active":true,"usgs":false}],"preferred":false,"id":961562,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Romano, Marc D.","contributorId":371325,"corporation":false,"usgs":false,"family":"Romano","given":"Marc","middleInitial":"D.","affiliations":[{"id":6654,"text":"USFWS","active":true,"usgs":false}],"preferred":false,"id":961563,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Mullinax, Jennifer M","contributorId":371326,"corporation":false,"usgs":false,"family":"Mullinax","given":"Jennifer","middleInitial":"M","affiliations":[{"id":7083,"text":"University of Maryland","active":true,"usgs":false}],"preferred":false,"id":961564,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Boldenow, Megan L","contributorId":371327,"corporation":false,"usgs":false,"family":"Boldenow","given":"Megan","middleInitial":"L","affiliations":[{"id":6654,"text":"USFWS","active":true,"usgs":false}],"preferred":false,"id":961565,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Atkinson, Philip W.","contributorId":371328,"corporation":false,"usgs":false,"family":"Atkinson","given":"Philip","middleInitial":"W.","affiliations":[{"id":38864,"text":"British Trust for Ornithology","active":true,"usgs":false}],"preferred":false,"id":961566,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Prosser, Diann 0000-0002-5251-1799","orcid":"https://orcid.org/0000-0002-5251-1799","contributorId":217931,"corporation":false,"usgs":true,"family":"Prosser","given":"Diann","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":961567,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}}
,{"id":70275204,"text":"70275204 - 2026 - The Sedimentary Geochemistry and Paleoenvironments Project Phase 2 data release: An open data resource for the study of Earth's environmental history","interactions":[],"lastModifiedDate":"2026-04-22T15:01:35.527692","indexId":"70275204","displayToPublicDate":"2026-04-13T09:35:45","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1213,"text":"Chemical Geology","active":true,"publicationSubtype":{"id":10}},"title":"The Sedimentary Geochemistry and Paleoenvironments Project Phase 2 data release: An open data resource for the study of Earth's environmental history","docAbstract":"<p><span>Geochemical data from sedimentary rocks are the primary source of information regarding Earth's surface evolution through time, including its air and water envelopes and interactions with life and deep Earth processes. The Sedimentary Geochemistry and Paleoenvironments Project (SGP) is a scientific consortium centered around open data and community-driven development of cyberinfrastructure tools and resources for sedimentary geochemistry and Earth history. Here we describe the SGP Phase 2 data release, which focused on incorporating Paleoproterozoic and Mesoproterozoic (2500–1000 million years ago) data and better accommodating carbonate data. This data release was built through the involvement of &gt;200 researchers worldwide in academia, government, and industry, and provides the largest available public data resource for our user community in the academic fields of geochemistry, sedimentology, tectonics, paleontology, Earth history, and paleoclimate, as well as the petroleum and minerals industries. The dataset now encompasses 126,006 samples and 4,132,371 geochemical analyses. In addition to direct entry by SGP Team Members, we have ingested and incorporated datasets from the Geoscience Australia OZCHEM database, the Alberta Geological Survey, and the Deep-Time Marine Sedimentary Element Database (DM-SED) compilation. This paper details sampling in the Phase 2 dataset with respect to age, geography, lithology, and other geological characteristics, documents access via our search website and API, discusses possible issues and/or biases in the dataset that could impact analyses, describes plans for governance and stewardship of data from Indigenous lands, and serves as the citable reference paper for the data release.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.chemgeo.2025.123148","usgsCitation":"Farrell, U., Olson, H., Thompson, M., Abshire, M.L., Adeboye, O., Ahm, A., Alcott, L., Algeo, T., Anderson, R., Ansari, A., Bastos, L., Bauer, K., Beaty, B., Birdwell, J.E., Bowyer, F., Brocks, J.J., Brunoir, T., Busch, J.F., Canfield, D., Caxito, F., Chang, C., Cheng, M., Clemente, J., Cordie, D., Crockford, P.W., Cui, H., Cunningham, C., Dahl, T., Rodrigues de Paula, J., Dehler, C., Del Mouro, L., Dewing, K., Aparecido do Carmo, D., Dornbos, S., Drabon, N., Dumoulin, J.A., Ejeh, O., Ellefson, E., Elrick, M., Emmings, J., Eric, B., Fang, H., Fazio, G., Fernandes, H., French, K.L., Gaines, R.R., Gaschnig, R., Gibson, T.M., Gilleaudeau, G.J., Goldberg, K., Gong, Z., Hagen, A., Halverson, G.P., Hantsoo, K.G., Haxen, E.R., Henderson, M.A., Hippertt, J., Hodgskiss, M.S., Hoffman, P., Huang, E., Johnson, B., Kabanov, P.B., Kang, J., Keller, C.B., Kendall, B., Kimmig, J., Kimmig, S., Kipp, M.A., Knoll, A.H., Kreitsmann, T., Kulkarni, A., Kunert, A., Kunzmann, M., Lai, J., Lease, R.O., Li, C., Li, S., Lipp, A., Liu, Y., Loydell, D., Lu, X., Maloney, K., Mänd, K., Millikin, A.E., Mills, N.T., Motomura, K., Mwinde, C.N., Nelson, L., Nieminski, N.M., O'Connell, B., O'Sullivan, E., Okubo, J., Olah, J., Ossa Ossa, F., Ostrander, C., Paiste, K., Partin, C.A., Pereira, E., Peters, S., Playter, T.L., Porter, S.M., Poulton, S.W., Pruss, S.B., Qiu, Z., Quinn, D., Remirez, M., Richiano, S., Richoz, S., Rico, K., Ritzer, S.R., Roney, Z., Rooney, A.D., Rose, W.C., Rugen, E., Sahoo, S.K., Schoepfer, S.D., Sclafani, J.A., Sheldon, N.D., Shen, Y., Shields, G., Singh, P., Singh, A., Slotznick, S.P., Smith, E., Song, H., Spinks, S., Stockey, R.G., Strauss, J., Stüeken, E., Sun, Z., Tang, D., Tarhan, L., Thomson, D., Tosca, N., Tostevin, R., Tu, C., Vizcaíno, M., Wang, Y., Wang, C., Wang, X., Warren, L., Webb, L., Wilby, P.R., Woltz, C.R., Wood, R., Wu, Y., Yang, X., Yurchenko, I.A., Zhang, J., Whiteside, J., Gill, B.C., Mehra, A., Lau, K.V., Planavsky, N.J., Johnston, D.T., and Sperling, E., 2026, The Sedimentary Geochemistry and Paleoenvironments Project Phase 2 data release: An open data resource for the study of Earth's environmental history: Chemical Geology, v. 712, 123148, 16 p., https://doi.org/10.1016/j.chemgeo.2025.123148.","productDescription":"123148, 16 p.","ipdsId":"IP-182357","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":164,"text":"Central Energy Resources Science 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,{"id":70274423,"text":"sim3519 - 2026 - Geologic map of the Emmons Lake volcanic center, Alaska","interactions":[],"lastModifiedDate":"2026-04-02T14:28:05.507358","indexId":"sim3519","displayToPublicDate":"2026-04-01T14:24:31","publicationYear":"2026","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":333,"text":"Scientific Investigations Map","code":"SIM","onlineIssn":"2329-132X","printIssn":"2329-1311","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"3519","displayTitle":"Geologic Map of the Emmons Lake Volcanic Center, Alaska","title":"Geologic map of the Emmons Lake volcanic center, Alaska","docAbstract":"<h1>Introduction&nbsp;</h1><p>The Emmons Lake volcanic center is a spatially clustered group of stratovolcanoes and calderas in the southwestern part of the Alaska Peninsula, Alaska. The volcanic center is characterized by several ice- and snow-clad stratovolcanoes located within and along the margins of a nested-caldera complex that includes Emmons Lake. A shieldlike ancestral edifice (ancestral Mount Emmons) is truncated by the caldera complex and forms a broad volcanic platform around the center. The main stratovolcanoes of the Emmons Lake volcanic center are Pavlof Sister, Pavlof Volcano, Little Pavlof, Double Crater, Mount Hague, and Mount Emmons. Several small unnamed cinder cones and vents also are located within Emmons Lake volcanic center and on the east flank of Pavlof Volcano. Many of these cones and vents have been the source of the young lava flows that mantle the floor of the caldera. Pavlof Volcano, in the northeastern part of the Emmons Lake volcanic center, is one of the most historically (that is, the past about 300 years) active volcanoes in Alaska, and eruptions from Pavlof Volcano pose the greatest hazards to the region.</p><p>Volcanic rocks of the Emmons Lake volcanic center overlie continental and marine sedimentary rocks of chiefly Late Jurassic to early Tertiary age. The oldest rocks in the area are those of the Naknek Formation, consisting of volcaniclastic sandstone, siltstone, and conglomerate of Late Jurassic age. The southern part of the area includes rocks of the Belkofski Formation, a thick sequence of volcaniclastic sandstone, siltstone, and conglomerate of middle Tertiary age. Lava flows, volcanic breccia, and fluvial volcaniclastic rocks of late Miocene age, which unconformably overlie the Belkofski Formation south of the Emmons Lake volcanic center, are primarily exposed on the islands just south of the Alaska Peninsula.</p><p>The Emmons Lake volcanic center was affected multiple times by glaciation associated with the glacier expansion that characterized the Quaternary. Glaciation has played a key role in shaping the present-day landscape, and much of the eruptive history of the Emmons Lake volcanic center has involved interactions with glacier ice. Thus, a brief review of the Quaternary glacial history of the area is provided to establish the physical context for Emmons Lake volcanic center eruptive activity.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sim3519","usgsCitation":"Miller, T.P., Waythomas, C.F., Mangan, M.T., Trusdell, F.A., and Calvert, A.T., 2026, Geologic map of the Emmons Lake volcanic center, Alaska: U.S. Geological Survey Scientific Investigations Map 3519, 1 sheet, scale 1:100,000, pamphlet 59 p., https://doi.org/10.3133/sim3519.","productDescription":"Pamphlet: x, 59 p.; 1 Sheet: 49.75 x 31.44 inches; 3 Data Releases","onlineOnly":"Y","additionalOnlineFiles":"Y","ipdsId":"IP-098480","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":501635,"rank":6,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P1QN3Y6J","text":"USGS data release","linkHelpText":"Whole-rock compositions of volcanic rocks and deposits in the Emmons Lake volcanic center, Alaska"},{"id":501634,"rank":5,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P13EN4EF","text":"USGS data release","linkHelpText":"Thin-section data for volcanic rocks and deposits in the Emmons Lake volcanic center, Alaska"},{"id":501604,"rank":3,"type":{"id":26,"text":"Sheet"},"url":"https://pubs.usgs.gov/sim/3519/sim3519_sheet.pdf","text":"Sheet","size":"19 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIM 3519 Sheet"},{"id":501603,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sim/3519/sim3519_pamphlet.pdf","text":"Pamphlet","size":"57 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIM 3519 Pamphlet"},{"id":501602,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/sim/3519/coverthb.jpg"},{"id":501633,"rank":4,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P1HUP9CA","text":"USGS data release","linkHelpText":"Geospatial database of the geologic map of the Emmons Lake volcanic center, Alaska"}],"scale":"100000","country":"United States","state":"Alaska","otherGeospatial":"Emmons Lake volcanic center","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -162.5,\n              55.75\n            ],\n            [\n              -162.5,\n              55\n            ],\n            [\n              -161.5833,\n              55\n            ],\n            [\n              -161.5833,\n              55.75\n            ],\n            [\n              -162.5,\n              55.75\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","contact":"<p><a href=\"https://avo.alaska.edu/\" data-mce-href=\"https://avo.alaska.edu/\">Alaska Volcano Observatory<br></a><a href=\"https://usgs.gov/\" data-mce-href=\"https://usgs.gov\">U.S. Geological Survey</a><br>4210 University Drive<br>Anchorage, AK 99508</p><p><a data-mce-href=\"../contact\" href=\"../contact\">Contact Pubs Warehouse</a></p>","tableOfContents":"<ul><li>Acknowledgments</li><li>Introduction</li><li>Geologic Overview of the Emmons Lake Volcanic Center</li><li>Introduction to the Description of Map Units</li><li>Description of Map Units</li><li>References Cited</li><li>Appendix 1. Argon Geochronology</li><li>Appendix 2. Whole-Rock Compositions of Volcanic Rocks and Deposits</li><li>Appendix 3. Radiocarbon Ages</li><li>Appendix 4. Thin-Section Photographs, Descriptions, and Associated Data</li></ul>","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"publishedDate":"2026-04-01","noUsgsAuthors":false,"publicationDate":"2026-04-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Miller, Thomas P.","contributorId":368423,"corporation":false,"usgs":false,"family":"Miller","given":"Thomas","middleInitial":"P.","affiliations":[{"id":36625,"text":"Emeritus","active":true,"usgs":false}],"preferred":false,"id":957963,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Waythomas, Christopher F. 0000-0002-3898-272X cwaythomas@usgs.gov","orcid":"https://orcid.org/0000-0002-3898-272X","contributorId":640,"corporation":false,"usgs":true,"family":"Waythomas","given":"Christopher","email":"cwaythomas@usgs.gov","middleInitial":"F.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":957964,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mangan, Margaret T. 0000-0002-5273-8053 mmangan@usgs.gov","orcid":"https://orcid.org/0000-0002-5273-8053","contributorId":3343,"corporation":false,"usgs":true,"family":"Mangan","given":"Margaret","email":"mmangan@usgs.gov","middleInitial":"T.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true},{"id":615,"text":"Volcano Hazards Program","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":957965,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Trusdell, Frank A. 0000-0002-0681-0528 trusdell@usgs.gov","orcid":"https://orcid.org/0000-0002-0681-0528","contributorId":189316,"corporation":false,"usgs":true,"family":"Trusdell","given":"Frank","email":"trusdell@usgs.gov","middleInitial":"A.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":957966,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Calvert, Andrew T. 0000-0001-5237-2218 acalvert@usgs.gov","orcid":"https://orcid.org/0000-0001-5237-2218","contributorId":2694,"corporation":false,"usgs":true,"family":"Calvert","given":"Andrew","email":"acalvert@usgs.gov","middleInitial":"T.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true},{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":957967,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70275685,"text":"70275685 - 2026 - Post-hatch ecology, diet, and first migration of juvenile Alaskan Bar-tailed Godwits","interactions":[],"lastModifiedDate":"2026-05-11T14:38:59.572717","indexId":"70275685","displayToPublicDate":"2026-04-01T09:20:00","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5557,"text":"Wader Study","active":true,"publicationSubtype":{"id":10}},"title":"Post-hatch ecology, diet, and first migration of juvenile Alaskan Bar-tailed Godwits","docAbstract":"<p><span>Life stages between hatching and adult recruitment are poorly described for most migratory shorebird species and represent a critical knowledge gap in understanding long-term population dynamics. We conducted a pilot study on the Seward Peninsula, Alaska, to assess the feasibility of following juvenile Bar-tailed Godwits&nbsp;</span><i>Limosa lapponica baueri</i><span>&nbsp;from their breeding grounds to their non-breeding grounds in New Zealand and Australia. Radio-tracked broods were highly mobile and moved hundreds to thousands of meters per day. They used low-elevation wetlands with dense shrub cover when younger, and more open, tundra-dominated ridgetops when older. Using DNA metabarcoding analysis of fecal samples, we found that chick diet consisted largely of flying insects (e.g. Tenthredinidae and Ichneumonidae) and small gastropods and appeared to increase in diversity with chick age. We followed one brood to near-fledging (ca. 26 days old) and deployed 5-g satellite transmitters on three chicks. One of these subsequently moved to the Yukon-Kuskokwim Delta, from where it flew 11 days and an estimated 13,391 km to Tasmania, which is the longest non-stop flight recorded for landbirds. These results provide the first information on the ecology of pre- and post-fledging young Bar-tailed Godwits in Alaska, and will inform future efforts to study this important life stage.</span></p>","language":"English","publisher":"International Wader Study Group","doi":"10.18194/ws.00394","usgsCitation":"Conklin, J.R., Ruthrauff, D., Valcu, M., Verkuil, Y.I., Johnson, J.A., and Kempenaers, B., 2026, Post-hatch ecology, diet, and first migration of juvenile Alaskan Bar-tailed Godwits: Wader Study, v. 133, no. 1, p. 12-25, https://doi.org/10.18194/ws.00394.","productDescription":"14 p.","startPage":"12","endPage":"25","ipdsId":"IP-179621","costCenters":[{"id":65299,"text":"Alaska Science Center Ecosystems","active":true,"usgs":true}],"links":[{"id":504264,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Australia, New Zealand, United States","state":"Alaska","volume":"133","issue":"1","noUsgsAuthors":false,"publicationDate":"2026-04-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Conklin, Jesse R.","contributorId":169340,"corporation":false,"usgs":false,"family":"Conklin","given":"Jesse","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":961400,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ruthrauff, Dan 0000-0003-1355-9156 druthrauff@usgs.gov","orcid":"https://orcid.org/0000-0003-1355-9156","contributorId":244581,"corporation":false,"usgs":false,"family":"Ruthrauff","given":"Dan","email":"druthrauff@usgs.gov","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":false,"id":961401,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Valcu, Mihai 0000-0002-6907-7802","orcid":"https://orcid.org/0000-0002-6907-7802","contributorId":216254,"corporation":false,"usgs":false,"family":"Valcu","given":"Mihai","email":"","affiliations":[{"id":12472,"text":"Max Planck Institute for Ornithology","active":true,"usgs":false}],"preferred":false,"id":961402,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Verkuil, Yvonne I.","contributorId":194622,"corporation":false,"usgs":false,"family":"Verkuil","given":"Yvonne","email":"","middleInitial":"I.","affiliations":[],"preferred":false,"id":961403,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Johnson, James A. 0000-0002-2312-0633","orcid":"https://orcid.org/0000-0002-2312-0633","contributorId":299054,"corporation":false,"usgs":false,"family":"Johnson","given":"James","email":"","middleInitial":"A.","affiliations":[{"id":36188,"text":"U.S. Fish and Wildlife Service","active":true,"usgs":false}],"preferred":false,"id":961404,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Kempenaers, Bart","contributorId":344055,"corporation":false,"usgs":false,"family":"Kempenaers","given":"Bart","affiliations":[],"preferred":false,"id":961405,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70275764,"text":"70275764 - 2026 - Challenges and opportunities for national-scale projections of future coastal landscape change","interactions":[],"lastModifiedDate":"2026-05-18T14:55:52.325001","indexId":"70275764","displayToPublicDate":"2026-03-31T07:41:45","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5053,"text":"Earth's Future","active":true,"publicationSubtype":{"id":10}},"title":"Challenges and opportunities for national-scale projections of future coastal landscape change","docAbstract":"<p><span id=\"_mce_caret\" data-mce-bogus=\"1\" data-mce-type=\"format-caret\"><span>Local to global scale projections of future coastal landscape change are essential to improve land and resource management decisions that aim to prepare for and reduce risk exposure to impending coastal hazards. However, the availability of actionable knowledge is often limited due to the complexity of drivers of change, their consequences, and uncertainties that span disciplines. Varying spatial and temporal scales of physical processes that occur on landscapes with differing levels of coastal development and modification complicate decision-making. This paper reviews advances in observational approaches, modeling, and quantification of uncertainty to support the next generation of coastal change projections. We also highlight transdisciplinary opportunities for making this information more accessible and useful to support decision-making in the coastal zone. This includes consideration of different levels of user engagement to address specific needs, as well as resources and mechanisms that can support knowledge transfer broadly. A central recommendation is the development of a coordinated framework to support research integration including three components: accounting for relevant drivers, processes, and feedbacks; working with users to identify their information needs; and generating meaningful projections and uncertainty. Actions that would support such frameworks include the evaluation of models through coordinated research approaches and multi-model comparisons; ongoing investments in observations and data-driven approaches necessary to understand this complex environment; expansion of modeling capabilities using novel techniques; prioritization of co-development efforts between researchers and users; and continued training and support for transdisciplinary research.</span></span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2024EF005833","usgsCitation":"Lentz, E.E., Passeri, D.L., Zeigler, S.L., White, K., Wahl, T., Stoltz, A.D., Pendleton, E.A., Misra, S., Meckley, T.D., Hamlington, B., Ganju, N., Cravens, A.E., Carr, J., and Buckel, C.A., 2026, Challenges and opportunities for national-scale projections of future coastal landscape change: Earth's Future, v. 14, no. 4, e2024EF005833, 33 p., https://doi.org/10.1029/2024EF005833.","productDescription":"e2024EF005833, 33 p.","ipdsId":"IP-173968","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":504476,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Mexico, United States","state":"Alaska, California, Florida, New York","otherGeospatial":"Barter Island, Cabo San Lucas, Cedar Key National Wildlife Refuge, Merrit Island National Wildlife Refuge, Point Reyes National Seashore","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -122.88491001760781,\n              69.93310481002823\n            ],\n            [\n              -122.88491001760781,\n              69.68543873810822\n            ],\n            [\n              -121.06916016659827,\n              69.68543873810822\n            ],\n            [\n              -121.06916016659827,\n              69.93310481002823\n            ],\n            [\n              -122.88491001760781,\n              69.93310481002823\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    },\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -123.06822524183795,\n              38.19543174003894\n            ],\n            [\n              -123.06822524183795,\n              37.94644042903653\n            ],\n            [\n              -122.82070079378443,\n              37.94644042903653\n            ],\n            [\n              -122.82070079378443,\n              38.19543174003894\n            ],\n            [\n              -123.06822524183795,\n              38.19543174003894\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    },\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -83.12177060555926,\n              29.253016615269246\n            ],\n            [\n              -83.12177060555926,\n              29.097809660027494\n            ],\n            [\n              -82.87307439858863,\n              29.097809660027494\n            ],\n            [\n              -82.87307439858863,\n              29.253016615269246\n            ],\n            [\n              -83.12177060555926,\n              29.253016615269246\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    },\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -110.63188940850279,\n              23.47404410351922\n            ],\n            [\n              -110.63188940850279,\n              22.779293589597287\n            ],\n            [\n              -109.21025823793005,\n              22.779293589597287\n            ],\n            [\n              -109.21025823793005,\n              23.47404410351922\n            ],\n            [\n              -110.63188940850279,\n              23.47404410351922\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"14","issue":"4","noUsgsAuthors":false,"plainLanguageSummary":"<p>Producing both detailed and widely available information on how the coast may change in the future is critical for informing proactive strategies that protect communities and places of value. Predicting which areas are likely to become inundated in the future is often a first step; however, understanding other possible changes and where those changes are likely is much more difficult. For example, sea-level rise, storms, and other coastal hazards fundamentally reshape coastal landforms and habitats, such as through the formation of new inlets along beaches or permanent flooding of wetlands. This paper reviews the scientific knowledge, methods, and products currently available to inform what, where, and when future changes might happen, as well as how this information can be developed in coordination with those who need this information to ensure it is useful and meaningful. We also identify challenges that exist in accurately predicting coastal change, opportunities for improvements, and remaining information and data gaps. We conclude by discussing strategies for scientists and intended users to work together across disciplines in a manner that informs research questions and intended products to provide actionable information.</p>","publicationDate":"2026-03-31","publicationStatus":"PW","contributors":{"authors":[{"text":"Lentz, Erika E. 0000-0002-0621-8954 elentz@usgs.gov","orcid":"https://orcid.org/0000-0002-0621-8954","contributorId":173964,"corporation":false,"usgs":true,"family":"Lentz","given":"Erika","email":"elentz@usgs.gov","middleInitial":"E.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":961698,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Passeri, Davina L. 0000-0002-9760-3195 dpasseri@usgs.gov","orcid":"https://orcid.org/0000-0002-9760-3195","contributorId":166889,"corporation":false,"usgs":true,"family":"Passeri","given":"Davina","email":"dpasseri@usgs.gov","middleInitial":"L.","affiliations":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":961699,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Zeigler, Sara L. 0000-0002-5472-769X","orcid":"https://orcid.org/0000-0002-5472-769X","contributorId":222703,"corporation":false,"usgs":true,"family":"Zeigler","given":"Sara","middleInitial":"L.","affiliations":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":961700,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"White, Kate","contributorId":371368,"corporation":false,"usgs":false,"family":"White","given":"Kate","affiliations":[{"id":88123,"text":"U.S. Department of Defense","active":true,"usgs":false}],"preferred":false,"id":961701,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wahl, Thomas","contributorId":201471,"corporation":false,"usgs":false,"family":"Wahl","given":"Thomas","affiliations":[],"preferred":false,"id":961702,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Stoltz, Amanda D. 0000-0003-4656-6125","orcid":"https://orcid.org/0000-0003-4656-6125","contributorId":311692,"corporation":false,"usgs":true,"family":"Stoltz","given":"Amanda","email":"","middleInitial":"D.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":961703,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Pendleton, Elizabeth A. 0000-0002-1224-4892 ependleton@usgs.gov","orcid":"https://orcid.org/0000-0002-1224-4892","contributorId":174845,"corporation":false,"usgs":true,"family":"Pendleton","given":"Elizabeth","email":"ependleton@usgs.gov","middleInitial":"A.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":961704,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Misra, Shubhra","contributorId":371369,"corporation":false,"usgs":false,"family":"Misra","given":"Shubhra","affiliations":[{"id":88123,"text":"U.S. Department of Defense","active":true,"usgs":false}],"preferred":false,"id":961705,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Meckley, Trevor D.","contributorId":205787,"corporation":false,"usgs":false,"family":"Meckley","given":"Trevor","email":"","middleInitial":"D.","affiliations":[{"id":36803,"text":"NOAA","active":true,"usgs":false}],"preferred":false,"id":961706,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Hamlington, Ben","contributorId":287420,"corporation":false,"usgs":false,"family":"Hamlington","given":"Ben","affiliations":[{"id":61575,"text":"NASA JPL CalTech","active":true,"usgs":false}],"preferred":false,"id":961707,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Ganju, Neil K. 0000-0002-1096-0465","orcid":"https://orcid.org/0000-0002-1096-0465","contributorId":202878,"corporation":false,"usgs":true,"family":"Ganju","given":"Neil K.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":961708,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Cravens, Amanda E. 0000-0002-0271-7967 aecravens@usgs.gov","orcid":"https://orcid.org/0000-0002-0271-7967","contributorId":196752,"corporation":false,"usgs":true,"family":"Cravens","given":"Amanda","email":"aecravens@usgs.gov","middleInitial":"E.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":961709,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Carr, Joel 0000-0002-9164-4156 jcarr@usgs.gov","orcid":"https://orcid.org/0000-0002-9164-4156","contributorId":220098,"corporation":false,"usgs":true,"family":"Carr","given":"Joel","email":"jcarr@usgs.gov","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":961710,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Buckel, Christine A.","contributorId":371370,"corporation":false,"usgs":false,"family":"Buckel","given":"Christine","middleInitial":"A.","affiliations":[{"id":88126,"text":"NOAA Ocean 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,{"id":70274328,"text":"70274328 - 2026 - Rapid seismic and infrasound assessment of large landslides: A case study from Denali National Park and Preserve (Alaska)","interactions":[],"lastModifiedDate":"2026-03-26T20:12:07.266266","indexId":"70274328","displayToPublicDate":"2026-03-23T13:03:56","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5739,"text":"Journal of Geophysical Research: Earth Surface","onlineIssn":"2169-9011","active":true,"publicationSubtype":{"id":10}},"title":"Rapid seismic and infrasound assessment of large landslides: A case study from Denali National Park and Preserve (Alaska)","docAbstract":"Large, rapid landslides are a global hazard that can occur in remote, mountainous areas. Eyewitness reports of landslides and satellite imagery can often be limited or delayed, particularly during inclement weather. However, landslide-generated seismic and infrasound (low-frequency atmospheric sound) waves can be remotely detected in near real-time. This information can significantly expedite characterization and possible landslide response activities. Here, we highlight these capabilities using a > 4 million m³ ice–rock avalanche in Denali National Park and Preserve (Alaska). This event was detected via a landslide-specific seismic location and volume estimation algorithm deployed in Alaska, and — notably — by standard earthquake monitoring systems. Following rapid detection of this event, we combined its seismic and infrasound dataset with optical, synthetic aperture radar, and oblique aerial imagery, multitemporal digital elevation models, and a numerical flow model to reconstruct its failure timeline and dynamics. We apply array processing to infrasound signals traveling > 250 km and find that two precursory events occurred minutes prior to the main failure. We use long-period seismic signals to infer the force exerted by the landslide on the Earth and constrain the rheological parameters of our numerical flow simulation with this result and deposit morphology. The main failure produced a steeply-dipping impulsive initial downward force and reached speeds exceeding 60 m/s. This impulsive force generated relatively strong seismic body waves, which contributed to the earthquake system detection. This large, remote Alaska landslide underscores the key value of seismic and infrasound analysis for rapid landslide assessment and motivates efforts to further operationalize these approaches.","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2025JF008577","usgsCitation":"Toney, L., West, M., Karasözen, E., Capps, D.M., Collins, E.A., Allstadt, K.E., Pursley, J., McFarlin, H., Mangeney, A., Fee, D., Staley, D.M., Haney, M.M., Lyons, J.J., and Bellini, J., 2026, Rapid seismic and infrasound assessment of large landslides: A case study from Denali National Park and Preserve (Alaska): Journal of Geophysical Research: Earth Surface, v. 131, no. 3, e2025JF008577, 21 p., https://doi.org/10.1029/2025JF008577.","productDescription":"e2025JF008577, 21 p.","ipdsId":"IP-179322","costCenters":[{"id":78941,"text":"Geologic Hazards Science Center - Landslides / Earthquake Geology","active":true,"usgs":true}],"links":[{"id":502039,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2025jf008577","text":"Publisher Index Page"},{"id":501960,"rank":0,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P13WIS6X","text":"USGS data release","linkHelpText":"Simulation and modeling output and geospatial data from the 2023 Peters Dome landslide (Alaska)"},{"id":501642,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Denali National Park and Preserve","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -154.5240265398315,\n              64.71816776218537\n            ],\n            [\n              -154.5240265398315,\n              60.86885905211162\n            ],\n            [\n              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To address these declines, we developed a partnership of scientists and practitioners called the Shorebird Science and Conservation Collective (hereafter&nbsp;</span><i>the collective</i><span>). The collective was founded to translate the combined findings of shorebird tracking data into on-the-ground conservation action. With advice from an advisory group, the collective acts as an intermediary whereby dedicated staff collate and analyze data contributions from scientists to support knowledge requests from conservation practitioners. In its first three years, data contributions from 75 organizations include over 7.1 million shorebird observations forming movement paths of 3420 individuals representing 36 species tracked across the Americas and have informed 18 conservation projects spanning education, land and species management, land conservation, and policy requests. Others engaged in translational science from big data could consider similar knowledge-sharing models that prioritize usable data products, foster collaborative engagement between science experts and practitioners, build focused communities around topics or taxonomic groups, and employ a proof-of-concept phase to develop scalable solutions while making progress toward long-term funding to sustain impact. As the volume of scientific data continues to grow, intermediaries, such as the collective, can be vital liaisons to rapidly integrate and interpret research to support conservation action. Dedicated to the memory of Shiloh Schulte and his conservation achievements for shorebirds.</span></span></p>","language":"English","publisher":"Society for Conservation Biology","doi":"10.1111/cobi.70194","usgsCitation":"Harrison, A., Stenzel, C., Anderson, A., Howell, J., Lanctot, R.B., Aikens, M., Aldabe, J., Berigan, L., Bêty, J., Blomberg, E., Bosi de Almeida, J., Boyce, A.J., Bradley, D.W., Brown, S.C., Carlisle, J.D., Cheskey, E., Christie, K., Christin, S., Clay, R., Dayer, A.A., Deppe, J.L., English, W.B., Flemming, S.A., Gilg, O., Gilroy, C., Heath, S., Hill, J.M., Hipfner, J.M., Johnson, J.A., Johnson, L., Kempenaers, B., Knaga, P., Kwon, E., Lagassé, B.J., Lamarre, J., Latty, C., Léandri-Breton, D., Lecomte, N., Loring, P., McDuffie, L.A., McGuire, R., Moorhead, S., Navedo, J.G., Newstead, D., Nol, E., Olalla-Kerstupp, A., Olson, B., Olson, E., Paquet, J., Pierce, A.K., Rausch, J., Regan, K., Reiter, M.E., Roth, A.M., Russell, M., Ruthrauff, D.R., Saalfeld, S.T., 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,{"id":70274545,"text":"70274545 - 2026 - Glaciers in Alaska and western North America","interactions":[],"lastModifiedDate":"2026-04-01T13:32:23.95345","indexId":"70274545","displayToPublicDate":"2026-03-03T08:47:54","publicationYear":"2026","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"chapter":"1.13","title":"Glaciers in Alaska and western North America","docAbstract":"<div id=\"preview-section-abstract\"><div id=\"abstracts\" class=\"Abstracts u-font-serif\"><div id=\"ab0010\" class=\"abstract author\" lang=\"en\"><div id=\"as0010\"><div id=\"sp0050\" class=\"u-margin-s-bottom\">This chapter summarizes the location, status, and projections of glaciers in Alaska and western North America. Recent events, including the 2021 surge of Muldrow Glacier in Denali National Park and Preserve, Alaska, are summarized. The implications of glacier loss for ecosystems, water resources, and mountain hazards are discussed.</div></div></div></div></div><div id=\"preview-section-introduction\"></div>","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Comprehensive cryospheric science and environmental change","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Elsevier","doi":"10.1016/B978-0-323-85242-5.00045-2","usgsCitation":"Florentine, C., 2026, Glaciers in Alaska and western North America, chap. 1.13 <i>of</i> Comprehensive cryospheric science and environmental change, v. 1, p. 386-397, https://doi.org/10.1016/B978-0-323-85242-5.00045-2.","productDescription":"12 p.","startPage":"386","endPage":"397","ipdsId":"IP-175449","costCenters":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":501854,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","volume":"1","noUsgsAuthors":false,"publicationDate":"2026-03-03","publicationStatus":"PW","contributors":{"editors":[{"text":"Elias, Scott A.","contributorId":111874,"corporation":false,"usgs":true,"family":"Elias","given":"Scott","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":958370,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Kelly, Richard","contributorId":369055,"corporation":false,"usgs":false,"family":"Kelly","given":"Richard","affiliations":[],"preferred":false,"id":958371,"contributorType":{"id":2,"text":"Editors"},"rank":2}],"authors":[{"text":"Florentine, Caitlyn 0000-0002-7028-0963","orcid":"https://orcid.org/0000-0002-7028-0963","contributorId":205964,"corporation":false,"usgs":true,"family":"Florentine","given":"Caitlyn","email":"","affiliations":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"preferred":true,"id":958223,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70275250,"text":"70275250 - 2026 - Validation and application of a standardized quantitative PCR assay for the assessment of antimicrobial resistance genes in surface water","interactions":[],"lastModifiedDate":"2026-04-24T15:39:48.277509","indexId":"70275250","displayToPublicDate":"2026-03-02T10:35:18","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3358,"text":"Scientific Reports","active":true,"publicationSubtype":{"id":10}},"title":"Validation and application of a standardized quantitative PCR assay for the assessment of antimicrobial resistance genes in surface water","docAbstract":"<p><span>Antimicrobial resistance can be an indicator of anthropogenic contamination in surface waters and is a potential public health threat. Methodological standardization for characterization of antimicrobial resistance in the environment is lacking. Quantitative PCR (qPCR) is used for rapid assessment of antibiotic resistance genes (ARGs) from environmental sources, including surface water. Here we describe the validation and application of a qPCR assay for 47 bacterial gene targets intended for surface water samples. The qPCR assay displayed excellent sensitivity (97.66%) and specificity (98.71%) for detecting ARGs when compared to whole genome sequencing of bacterial isolates. The qPCR assay was able to detect up to 6/8 (75.0%) of ARGs spiked into sterile water at varying concentrations and four sample ultrafiltration volumes. Nineteen different ARGs were detected across six samples sites at three national parks in Alaska using ultrafiltered surface water samples. The number of unique ARGs detected was higher at sites within parks with greater visitation. The relative abundance of ARGs/16S from Exit Creek in Kenai Fjords National Park, downstream from a visitor center was greater than all other sampled sites. We have demonstrated a robust qPCR assay for monitoring ARGs in surface waters, including those that are minimally human impacted.</span></p>","language":"English","publisher":"Nature","doi":"10.1038/s41598-026-35635-x","usgsCitation":"Scott, L.C., Ahlstrom, C., Woksepp, H., Bonnedahl, J., Mckeeman, C.M., Miller, M.E., Shirokauer, D., and Ramey, A.M., 2026, Validation and application of a standardized quantitative PCR assay for the assessment of antimicrobial resistance genes in surface water: Scientific Reports, v. 16, 11597, 14 p., https://doi.org/10.1038/s41598-026-35635-x.","productDescription":"11597, 14 p.","ipdsId":"IP-172114","costCenters":[{"id":65299,"text":"Alaska Science Center Ecosystems","active":true,"usgs":true}],"links":[{"id":503763,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1038/s41598-026-35635-x","text":"Publisher Index Page"},{"id":503518,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -155.99719849243888,\n              64.323291045561\n            ],\n            [\n              -139.26423702947662,\n              64.323291045561\n            ],\n            [\n              -139.26423702947662,\n              58.766526235513254\n            ],\n            [\n              -155.99719849243888,\n              58.766526235513254\n            ],\n            [\n              -155.99719849243888,\n              64.323291045561\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"16","noUsgsAuthors":false,"publicationDate":"2026-03-02","publicationStatus":"PW","contributors":{"authors":[{"text":"Scott, Laura Celeste 0000-0003-0303-5340","orcid":"https://orcid.org/0000-0003-0303-5340","contributorId":306143,"corporation":false,"usgs":true,"family":"Scott","given":"Laura","email":"","middleInitial":"Celeste","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":960233,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ahlstrom, Christina 0000-0001-5414-8076","orcid":"https://orcid.org/0000-0001-5414-8076","contributorId":214540,"corporation":false,"usgs":true,"family":"Ahlstrom","given":"Christina","email":"","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":960234,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Woksepp, Hanna","contributorId":207263,"corporation":false,"usgs":false,"family":"Woksepp","given":"Hanna","email":"","affiliations":[],"preferred":false,"id":960235,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bonnedahl, Jonas","contributorId":181800,"corporation":false,"usgs":false,"family":"Bonnedahl","given":"Jonas","email":"","affiliations":[],"preferred":false,"id":960236,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Mckeeman, Cherie Marie 0000-0001-9868-2502","orcid":"https://orcid.org/0000-0001-9868-2502","contributorId":334651,"corporation":false,"usgs":true,"family":"Mckeeman","given":"Cherie","email":"","middleInitial":"Marie","affiliations":[{"id":65299,"text":"Alaska Science Center Ecosystems","active":true,"usgs":true}],"preferred":true,"id":960237,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Miller, Mark E.","contributorId":367864,"corporation":false,"usgs":false,"family":"Miller","given":"Mark","middleInitial":"E.","affiliations":[{"id":87633,"text":"NPS Wrangell-St. Elias National Park and Preserve","active":true,"usgs":false}],"preferred":false,"id":960238,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Shirokauer, Dave","contributorId":353626,"corporation":false,"usgs":false,"family":"Shirokauer","given":"Dave","affiliations":[],"preferred":false,"id":960239,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Ramey, Andrew M. 0000-0002-3601-8400 aramey@usgs.gov","orcid":"https://orcid.org/0000-0002-3601-8400","contributorId":1872,"corporation":false,"usgs":true,"family":"Ramey","given":"Andrew","email":"aramey@usgs.gov","middleInitial":"M.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":960240,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70274499,"text":"70274499 - 2026 - Brewing change in the (glacier) percolation zone","interactions":[],"lastModifiedDate":"2026-03-27T17:10:12.038922","indexId":"70274499","displayToPublicDate":"2026-03-01T12:09:12","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":691,"text":"Alaska Park Science","printIssn":"1545- 496","active":true,"publicationSubtype":{"id":10}},"title":"Brewing change in the (glacier) percolation zone","docAbstract":"Alaska's glaciers are losing mass at the fastest rate of any region globally, significantly affecting both the volume and distribution of water across the landscape. Though glaciers in the Alaska region (as defined by glaciologists this includes both Alaska and portions of adjacent Canada) range from sea level to nearly 6200 m (20,320 ft), the majority of glacier area in the Alaska region is concentrated between 900 and 2100 m (2950 to 6890 ft). Long term glacier monitoring in Alaska by the U.S. Geological Survey (USGS) Benchmark Glacier Project is on moderate-sized glaciers with distributions of glacier area in this elevation range. These are some of the longest in-situ records of glacier mass change in the world. The process-based understanding of glacier change on those “Benchmark Glaciers” is robust, but it is limited to the range of conditions present on those particular glaciers—at moderate elevations—where large amounts of melt water and rain pass through the glacier and into the downstream ecosystem on an annual basis.","language":"English","publisher":"U.S. National Park Sevice","usgsCitation":"Sass, L., McNeil, C., Baker, E.A., Frederick, Z.A., and Loso, M., 2026, Brewing change in the (glacier) percolation zone: Alaska Park Science, v. 24, no. 1, p. 2-15.","productDescription":"14 p.","startPage":"2","endPage":"15","ipdsId":"IP-182134","costCenters":[{"id":120,"text":"Alaska Science Center Water","active":true,"usgs":true}],"links":[{"id":501727,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":501707,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://irma.nps.gov/DataStore/Reference/Profile/2317596"}],"country":"United 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,{"id":70274497,"text":"70274497 - 2026 - Understanding flooding and channel dynamics along the Taiya River: Providing context for resource management","interactions":[],"lastModifiedDate":"2026-03-27T17:08:43.02844","indexId":"70274497","displayToPublicDate":"2026-03-01T12:05:40","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":691,"text":"Alaska Park Science","printIssn":"1545- 496","active":true,"publicationSubtype":{"id":10}},"title":"Understanding flooding and channel dynamics along the Taiya River: Providing context for resource management","docAbstract":"Flooding and channel change in the Taiya River Basin in recent decades have directly affected\npark infrastructure and cultural resources. The complexities of flooding and channel change are compounded by the changing sediment and flow regime from a changing climate and\nshrinking glaciers, which will continue to drive dynamic riverine change. Streamflow data and\ngeomorphic interpretation helped us place these events in context to inform decision making that\ntakes dynamic natural processes into account.","language":"English","publisher":"National Park Service","usgsCitation":"Curran, J.H., 2026, Understanding flooding and channel dynamics along the Taiya River: Providing context for resource management: Alaska Park Science, v. 24, no. 1, p. 26-35.","productDescription":"10 p.","startPage":"26","endPage":"35","ipdsId":"IP-182307","costCenters":[{"id":120,"text":"Alaska Science Center Water","active":true,"usgs":true}],"links":[{"id":501726,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":501705,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://irma.nps.gov/DataStore/Reference/Profile/2317596"}],"country":"United Statesq","state":"Alaska","otherGeospatial":"Taiya River","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -135.40358674059615,\n              59.43440777292025\n            ],\n            [\n              -135.16293100255444,\n              59.465315065891104\n            ],\n            [\n              -135.17678488217464,\n              59.63505469200757\n            ],\n            [\n              -135.48037695028358,\n              59.796116294791744\n            ],\n            [\n              -135.80292468090636,\n              59.69771870037559\n            ],\n            [\n              -135.45205191120436,\n              59.41808754397522\n            ],\n            [\n              -135.40358674059615,\n              59.43440777292025\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"24","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Curran, Janet H. 0000-0002-3899-6275 jcurran@usgs.gov","orcid":"https://orcid.org/0000-0002-3899-6275","contributorId":690,"corporation":false,"usgs":true,"family":"Curran","given":"Janet","email":"jcurran@usgs.gov","middleInitial":"H.","affiliations":[{"id":120,"text":"Alaska Science Center Water","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":958013,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70274503,"text":"70274503 - 2026 - Exploring how Dolly Varden in Arctic streams respond to changes from permafrost thaw","interactions":[],"lastModifiedDate":"2026-03-27T17:01:05.217085","indexId":"70274503","displayToPublicDate":"2026-03-01T11:58:11","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":691,"text":"Alaska Park Science","printIssn":"1545- 496","active":true,"publicationSubtype":{"id":10}},"title":"Exploring how Dolly Varden in Arctic streams respond to changes from permafrost thaw","docAbstract":"<p>The influence of permafrost thaw on aquatic ecosystems is complex. Carbon, nutrients, and metals in stream discharge result in changing stream color, chemistry, and temperature. These different processes create a mosaic of spatially and temporally dynamic disturbances across the landscape with complex effects on the ecology.&nbsp;</p>","language":"English","publisher":"National Park Service","usgsCitation":"Carey, M.P., O’Donnell, J.A., Koch, J.C., Hill, K., and Poulin, B., 2026, Exploring how Dolly Varden in Arctic streams respond to changes from permafrost thaw: Alaska Park Science, v. 24, no. 1, p. 64-71.","productDescription":"8 p.","startPage":"64","endPage":"71","ipdsId":"IP-182822","costCenters":[{"id":65299,"text":"Alaska Science Center Ecosystems","active":true,"usgs":true}],"links":[{"id":501724,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":501709,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://irma.nps.gov/DataStore/Reference/Profile/2317596"}],"country":"United States","state":"Alaska","volume":"24","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Carey, Michael P. 0000-0002-3327-8995 mcarey@usgs.gov","orcid":"https://orcid.org/0000-0002-3327-8995","contributorId":5397,"corporation":false,"usgs":true,"family":"Carey","given":"Michael","email":"mcarey@usgs.gov","middleInitial":"P.","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":120,"text":"Alaska Science Center Water","active":true,"usgs":true}],"preferred":true,"id":958027,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"O’Donnell, Jonathan A. 0000-0001-7031-9808","orcid":"https://orcid.org/0000-0001-7031-9808","contributorId":191423,"corporation":false,"usgs":false,"family":"O’Donnell","given":"Jonathan","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":958028,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Koch, Joshua C. 0000-0001-7180-6982 jkoch@usgs.gov","orcid":"https://orcid.org/0000-0001-7180-6982","contributorId":202532,"corporation":false,"usgs":true,"family":"Koch","given":"Joshua","email":"jkoch@usgs.gov","middleInitial":"C.","affiliations":[{"id":120,"text":"Alaska Science Center Water","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":958029,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hill, Kenneth","contributorId":244049,"corporation":false,"usgs":false,"family":"Hill","given":"Kenneth","email":"","affiliations":[{"id":36189,"text":"National Park Service","active":true,"usgs":false}],"preferred":false,"id":958030,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Poulin, Brett 0000-0002-5555-7733","orcid":"https://orcid.org/0000-0002-5555-7733","contributorId":260893,"corporation":false,"usgs":false,"family":"Poulin","given":"Brett","affiliations":[{"id":52706,"text":"Department of Environmental Toxicology, University of California Davis, Davis, CA 95616, USA","active":true,"usgs":false}],"preferred":false,"id":958031,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70274591,"text":"70274591 - 2026 - Living with wildfire in Cooper Landing, Kenai Peninsula Borough, Alaska: 2023 data report","interactions":[],"lastModifiedDate":"2026-04-20T15:57:18.893513","indexId":"70274591","displayToPublicDate":"2026-03-01T09:06:03","publicationYear":"2026","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":72,"text":"Research Note","active":false,"publicationSubtype":{"id":1}},"seriesNumber":"RMRS-RN-112","title":"Living with wildfire in Cooper Landing, Kenai Peninsula Borough, Alaska: 2023 data report","docAbstract":"<p><span>Homeowner wildfire risk mitigation and preparedness are important components of community wildfire readiness. This report describes the data collected through two efforts conducted in the Cooper Landing, Alaska, study area: (1) parcel-level rapid wildfire risk assessments performed by trained assessors and (2) homeowner surveys in which respondents provided self-assessments of their parcel-level wildfire risk. This project was undertaken to support the Kenai Peninsula Borough Office of Emergency Management and Cooper Landing Emergency Services to inform decisions about wildfire adaptation. The household surveys explored the social dimensions of wildfire, including understanding of wildfire risk, outreach or communication preferences, mitigation and evacuation preparedness activities, and perceptions of community risk reduction strategies. Overall, the study indicated a community that was engaged in preparing for and mitigating the risk of wildfire yet had more that could be done to reduce its risk.</span></p>","language":"English","publisher":"U.S. Department of Agriculture, Forest Service","doi":"10.2737/RMRS-RN-112","usgsCitation":"Donovan, C., Wittenbrink, S., Brenkert-Smith, H., Kuehn, J., Weekley, T., Champ, P.A., Barth, C.M., Meldrum, J.R., Wagner, C., and Taniguchi, C., 2026, Living with wildfire in Cooper Landing, Kenai Peninsula Borough, Alaska: 2023 data report: Research Note RMRS-RN-112, vi, 145 p., https://doi.org/10.2737/RMRS-RN-112.","productDescription":"vi, 145 p.","ipdsId":"IP-182305","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":501920,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","city":"Cooper Landing","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -149.90200366089894,\n              60.51850946975759\n            ],\n            [\n              -149.90200366089894,\n              60.45024592856049\n            ],\n            [\n              -149.65238851711945,\n              60.45024592856049\n            ],\n            [\n              -149.65238851711945,\n              60.51850946975759\n            ],\n            [\n              -149.90200366089894,\n              60.51850946975759\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationDate":"2026-03-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Donovan, Colleen","contributorId":240586,"corporation":false,"usgs":false,"family":"Donovan","given":"Colleen","email":"","affiliations":[{"id":48103,"text":"Wildfire Research (WiRē) Center","active":true,"usgs":false}],"preferred":false,"id":958425,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wittenbrink, Suzanne","contributorId":333353,"corporation":false,"usgs":false,"family":"Wittenbrink","given":"Suzanne","email":"","affiliations":[{"id":48103,"text":"Wildfire Research (WiRē) Center","active":true,"usgs":false}],"preferred":false,"id":958426,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Brenkert-Smith, Hannah 0000-0001-6117-8863","orcid":"https://orcid.org/0000-0001-6117-8863","contributorId":195485,"corporation":false,"usgs":false,"family":"Brenkert-Smith","given":"Hannah","email":"","affiliations":[],"preferred":false,"id":958427,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kuehn, 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Carolyn","contributorId":240587,"corporation":false,"usgs":false,"family":"Wagner","given":"Carolyn","affiliations":[{"id":48103,"text":"Wildfire Research (WiRē) Center","active":true,"usgs":false}],"preferred":false,"id":958433,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Taniguchi, Christine","contributorId":355605,"corporation":false,"usgs":false,"family":"Taniguchi","given":"Christine","affiliations":[{"id":48103,"text":"Wildfire Research (WiRē) Center","active":true,"usgs":false}],"preferred":false,"id":958434,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}}
,{"id":70274291,"text":"70274291 - 2026 - Living with wildfire in Nikiski, Kenai Peninsula Borough, Alaska: 2023 Data report","interactions":[],"lastModifiedDate":"2026-04-20T15:52:01.273437","indexId":"70274291","displayToPublicDate":"2026-03-01T08:34:44","publicationYear":"2026","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":72,"text":"Research Note","active":false,"publicationSubtype":{"id":1}},"seriesNumber":"RMRS-RN-110","title":"Living with wildfire in Nikiski, Kenai Peninsula Borough, Alaska: 2023 Data report","docAbstract":"<p><span>Homeowner wildfire risk mitigation and preparedness are important components of community wildfire readiness. This report describes the data collected through two efforts conducted in the Nikiski, Alaska, study area: (1) parcel-level rapid wildfire risk assessments performed by trained assessors and (2) homeowner surveys in which respondents provided self-assessments of their parcel-level wildfire risk. This project was undertaken to support the Kenai Peninsula Borough Office of Emergency Management, and the Nikiski Fire Service Area to inform decisions about wildfire adaptation. The household surveys explored the social dimensions of wildfire, including understanding of wildfire risk, outreach or communication preferences, mitigation and evacuation preparedness activities, and perceptions of community risk reduction strategies. The results provide evidence that despite some results seeming to suggest lower wildfire risk perceptions, respondents indicate taking action to reduce risk on their properties, support fuels management on adjacent public lands, and express interest in opportunities to undertake both mitigation and emergency preparedness activities to reduce risks associated with the threat of wildfire.</span></p>","language":"English","publisher":"U.S. Department of Agriculture, Forest Service","doi":"10.2737/RMRS-RN-110","usgsCitation":"Donovan, C., Wittenbrink, S., Brenkert-Smith, H., Kuehn, J., Ahlberg, B., Champ, P.A., Barth, C.M., Meldrum, J.R., Wagner, C., and Taniguchi, C., 2026, Living with wildfire in Nikiski, Kenai Peninsula Borough, Alaska: 2023 Data report: Research Note RMRS-RN-110, 151 p., https://doi.org/10.2737/RMRS-RN-110.","productDescription":"151 p.","ipdsId":"IP-179901","costCenters":[{"id":291,"text":"Fort Collins Science 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0000-0001-6117-8863","orcid":"https://orcid.org/0000-0001-6117-8863","contributorId":195485,"corporation":false,"usgs":false,"family":"Brenkert-Smith","given":"Hannah","email":"","affiliations":[],"preferred":false,"id":957638,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kuehn, Josh","contributorId":269634,"corporation":false,"usgs":false,"family":"Kuehn","given":"Josh","email":"","affiliations":[{"id":56021,"text":"Colorado State Forest Service","active":true,"usgs":false}],"preferred":false,"id":957639,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Ahlberg, Brenda","contributorId":367752,"corporation":false,"usgs":false,"family":"Ahlberg","given":"Brenda","affiliations":[{"id":87597,"text":"Office of Emergency Management, Kenai Peninsula Borough, Alaska","active":true,"usgs":false}],"preferred":false,"id":957640,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Champ, Patricia A. 0000-0003-1917-883X","orcid":"https://orcid.org/0000-0003-1917-883X","contributorId":360956,"corporation":false,"usgs":false,"family":"Champ","given":"Patricia","middleInitial":"A.","affiliations":[{"id":86128,"text":"U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station","active":true,"usgs":false}],"preferred":false,"id":957641,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Barth, Christopher M.","contributorId":367753,"corporation":false,"usgs":false,"family":"Barth","given":"Christopher","middleInitial":"M.","affiliations":[{"id":86132,"text":"U.S. Department of Agriculture, Forest Service, Washington Office","active":true,"usgs":false}],"preferred":false,"id":957642,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Meldrum, James R. 0000-0001-5250-3759 jmeldrum@usgs.gov","orcid":"https://orcid.org/0000-0001-5250-3759","contributorId":195484,"corporation":false,"usgs":true,"family":"Meldrum","given":"James","email":"jmeldrum@usgs.gov","middleInitial":"R.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":957643,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Wagner, Carolyn","contributorId":240587,"corporation":false,"usgs":false,"family":"Wagner","given":"Carolyn","affiliations":[{"id":48103,"text":"Wildfire Research (WiRē) Center","active":true,"usgs":false}],"preferred":false,"id":957644,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Taniguchi, Christine","contributorId":355605,"corporation":false,"usgs":false,"family":"Taniguchi","given":"Christine","affiliations":[{"id":48103,"text":"Wildfire Research (WiRē) Center","active":true,"usgs":false}],"preferred":false,"id":957645,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}}
,{"id":70274164,"text":"70274164 - 2026 - Breeding shorebird surveys in the Arctic National Wildlife Refuge, Alaska, suggest population declines over two decades for most species","interactions":[],"lastModifiedDate":"2026-03-03T14:41:55.420125","indexId":"70274164","displayToPublicDate":"2026-02-16T07:35:39","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":9101,"text":"Ornithological Applications","printIssn":"0010-5422","active":true,"publicationSubtype":{"id":10}},"title":"Breeding shorebird surveys in the Arctic National Wildlife Refuge, Alaska, suggest population declines over two decades for most species","docAbstract":"<p><span id=\"_mce_caret\" data-mce-bogus=\"1\" data-mce-type=\"format-caret\"><span>Shorebird populations are declining globally but it generally remains unclear how those declines translate to changes at the regional scale. We conducted the first longitudinal surveys of breeding shorebirds in Alaska under the Program for Regional and International Shorebird Monitoring (PRISM), resurveying the Coastal Plain (1002 Area) of the Arctic National Wildlife Refuge (NWR) in 2019 and 2022 to compare with initial surveys conducted in 2002 and 2004. Our goals were to (1) estimate contemporary population sizes of breeding shorebirds across this 6,249 km</span><sup>2</sup><span>&nbsp;area, and (2) assess population trends for the species detected in both survey periods. We estimated population sizes for 16 species, with a combined total of 135,178 (95% CI: 113,532–156,824) in 2019 and 2022—a decline of approximately 17% (90% CI: –34% to + 3%) from 2002 and 2004 when the same survey methods were used. Four species showed a statistically significant decrease (α = 0.10):&nbsp;</span><i>Calidris alpina arcticola</i><span>&nbsp;(Dunlin),&nbsp;</span><i>Limnodromus scolopaceus</i><span>&nbsp;(Long-billed Dowitcher),&nbsp;</span><i>Phalaropus lobatus</i><span>&nbsp;(Red-necked Phalarope), and&nbsp;</span><i>P. fulicarius</i><span>&nbsp;(Red Phalarope). Only&nbsp;</span><i>C. melanotos</i><span>&nbsp;(Pectoral Sandpiper) showed a significant increase. Overall, 5 of 10 species—and all species combined—had a &gt; 90% probability of decline. Population changes for the polygamous species (i.e.,&nbsp;</span><i>Phalaropus</i><span>&nbsp;sp. and&nbsp;</span><i>C. melanotos</i><span>), which show irruptive breeding and low breeding site fidelity, may reflect temporary immigration or emigration driven by annual environmental variation, rather than true population change. Nevertheless, the overall pattern of declines aligns with migration surveys outside the Arctic. These findings highlight the vulnerability of Arctic-breeding shorebirds to threats throughout their annual cycles and underscore the potential for sustained long-term monitoring in this rapidly changing region to inform effective, flyway-scale conservation strategies across the Western Hemisphere.</span></span></p>","language":"English","publisher":"Oxford Academic","doi":"10.1093/ornithapp/duag022","usgsCitation":"Brown, S.C., Lyons, J., Saalfeld, S.T., Schulte, S., Latty, C.J., McGarvey, M., Kidd, L.R., Carr, K.L., and Lanctot, R.B., 2026, Breeding shorebird surveys in the Arctic National Wildlife Refuge, Alaska, suggest population declines over two decades for most species: Ornithological Applications, no. 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,{"id":70275690,"text":"70275690 - 2026 - Intertidal ecosystem indicators in the northern Gulf of Alaska","interactions":[],"lastModifiedDate":"2026-05-11T13:59:21.553664","indexId":"70275690","displayToPublicDate":"2026-02-12T08:49:43","publicationYear":"2026","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":3,"text":"Organization Series"},"seriesTitle":{"id":24031,"text":"Abbreviated Ecosystem Status Report","active":true,"publicationSubtype":{"id":3}},"title":"Intertidal ecosystem indicators in the northern Gulf of Alaska","docAbstract":"<p>No abstract available.</p>","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"Gulf of Alaska","largerWorkSubtype":{"id":3,"text":"Organization Series"},"language":"English","publisher":"North Pacific Fishery Management Council","usgsCitation":"Coletti, H., Traiger, S.B., Iken, K., Bodkin, J., Ballachey, B., Esslinger, G.G., Kloecker, K.A., Konar, B.H., and Suryan, R.M., 2026, Intertidal ecosystem 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,{"id":70274679,"text":"70274679 - 2026 - Prince William Sound Herring Program, fiscal year 2024","interactions":[],"lastModifiedDate":"2026-04-03T14:50:10.52603","indexId":"70274679","displayToPublicDate":"2026-02-11T09:32:22","publicationYear":"2026","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":3,"text":"Organization Series"},"seriesTitle":{"id":156,"text":"Annual Report","active":false,"publicationSubtype":{"id":3}},"title":"Prince William Sound Herring Program, fiscal year 2024","docAbstract":"<p>Pacific herring (<i>Clupea pallasii</i>) were collected from three sites in Prince William Sound (PWS), Alaska (Table 1) during the spring pre-spawn period from March 29 – April 1, 2024, to test for viral hemorrhagic septicemia virus (VHSV), viral erythrocytic necrosis (VEN), and <i>Ichthyophonus</i> prevalence (Table 1). <i>Ichthyophonus</i> was detected in 33% (59/180) of heart cultures from all sites combined. An inverted pattern of decreasing Ichthyophonus infection prevalence with size started around 2019 and continued through 2024 (Fig. 1). VHSV was isolated from one fish collected in Canoe Pass. The isolation was at a very low titer and was detectable only after blind passage. Neutralizing antibodies to VHSV were detected in 4.4% (14/318) of PWS herring in 2024 (Fig. 2). Erythrocytic inclusions indicative of VEN were not detected in any PWS herring (n =180) from 2024, but bacterial rods were noted in the blood films from three fish.&nbsp;</p>","language":"English","publisher":"Exxon Valdez Oil Spill Trustee Council","usgsCitation":"Hershberger, P., and Paez, D.J., 2026, Prince William Sound Herring Program, fiscal year 2024: Annual Report, 24 p.","productDescription":"24 p.","ipdsId":"IP-182462","costCenters":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"links":[{"id":502156,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":502155,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://evostc.state.ak.us/restoration-projects/herring-research-and-monitoring-program/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Alaska","otherGeospatial":"Prince William Sound","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -148.5015709250498,\n              61.18007055166058\n            ],\n            [\n              -148.5015709250498,\n              59.851746527516696\n            ],\n            [\n              -145.30350313395246,\n              59.851746527516696\n            ],\n            [\n              -145.30350313395246,\n              61.18007055166058\n            ],\n            [\n              -148.5015709250498,\n              61.18007055166058\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Hershberger, Paul 0000-0002-2261-7760","orcid":"https://orcid.org/0000-0002-2261-7760","contributorId":203322,"corporation":false,"usgs":true,"family":"Hershberger","given":"Paul","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":958678,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Páez, David James 0000-0001-9035-394X","orcid":"https://orcid.org/0000-0001-9035-394X","contributorId":296751,"corporation":false,"usgs":true,"family":"Páez","given":"David","middleInitial":"James","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":958679,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70274541,"text":"70274541 - 2026 - Shifting winter atmospheric teleconnections to the North Pacific reconcile Younger-Dryas and Holocene δ18O signals","interactions":[],"lastModifiedDate":"2026-03-31T15:00:24.211725","indexId":"70274541","displayToPublicDate":"2026-02-06T09:53:39","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2842,"text":"Nature Communications","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Shifting winter atmospheric teleconnections to the North Pacific reconcile Younger-Dryas and Holocene δ<sup>18</sup>O signals","title":"Shifting winter atmospheric teleconnections to the North Pacific reconcile Younger-Dryas and Holocene δ18O signals","docAbstract":"<p><span>Using Alaskan lake sediment oxygen isotope records (δ</span><sup>18</sup><span>O), which trace the δ</span><sup>18</sup><span>O of precipitation, we establish that abrupt atmospheric shifts occurred during the last deglacial period in the North Pacific-Arctic. The robust lake δ</span><sup>18</sup><span>O chronologies confidently correlate Younger-Dryas (YD) atmospheric adjustments in Alaska with Greenland ice-core records and their seasonal sensitivity are consistent with cooling during winter. In contrast, abrupt δ</span><sup>18</sup><span>O decreases during the late Holocene observed in our records, of similar magnitude as the YD, are best explained by atmospheric modes involving long-distance transport of sub-tropical Pacific moisture. Our sediment cores are among the most reliably dated records yet produced in the circum-Arctic and show that similar decreases in δ</span><sup>18</sup><span>O of winter precipitation during the YD and late Holocene were driven by different atmospheric teleconnections. These results underscore major roles for seasonality and atmospheric patterns in the conceptual understanding of global scale climate oscillations, both past and future.</span></p>","language":"English","publisher":"Nature","doi":"10.1038/s41467-026-68841-2","usgsCitation":"Anderson, L., Finney, B.P., and Baxter, W.B., 2026, Shifting winter atmospheric teleconnections to the North Pacific reconcile Younger-Dryas and Holocene δ18O signals: Nature Communications, v. 17, 2287, 11 p., https://doi.org/10.1038/s41467-026-68841-2.","productDescription":"2287, 11 p.","ipdsId":"IP-173518","costCenters":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"links":[{"id":502072,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1038/s41467-026-68841-2","text":"Publisher Index Page"},{"id":501859,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Greenland, United States","state":"Alaska","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -154.5838715688011,\n              61.71714669073339\n            ],\n            [\n              -154.5838715688011,\n              58.64385747164533\n            ],\n            [\n              -140.97306433569628,\n              58.64385747164533\n            ],\n            [\n              -140.97306433569628,\n              61.71714669073339\n            ],\n            [\n              -154.5838715688011,\n              61.71714669073339\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    },\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -54.47050647646307,\n              76.12487765561002\n            ],\n            [\n              -54.47050647646307,\n              68.64845510387647\n            ],\n            [\n              -23.062966953169052,\n              68.64845510387647\n            ],\n            [\n              -23.062966953169052,\n              76.12487765561002\n            ],\n            [\n              -54.47050647646307,\n              76.12487765561002\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"17","noUsgsAuthors":false,"publicationDate":"2026-02-06","publicationStatus":"PW","contributors":{"authors":[{"text":"Anderson, Lesleigh 0000-0002-5264-089X","orcid":"https://orcid.org/0000-0002-5264-089X","contributorId":368960,"corporation":false,"usgs":true,"family":"Anderson","given":"Lesleigh","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":true,"id":958185,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Finney, Bruce P.","contributorId":368961,"corporation":false,"usgs":false,"family":"Finney","given":"Bruce","middleInitial":"P.","affiliations":[{"id":38154,"text":"Idaho State University","active":true,"usgs":false}],"preferred":false,"id":958186,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Baxter, W. 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