Economic concentrations of rare earth element (REE) minerals are uncommon in the Earth’s crust, with most occurring in carbonatites. Unlike most igneous rocks composed of silicate minerals, carbonatites are dominated by carbonate minerals, some of which can incorporate significant light REEs (LREEs; La, Ce, Pr, Nd). Technological applications of REEs are numerous and they have been identified as some of the most critical mineral commodities to the global economy. The Mountain Pass carbonatite stock in the Mojave Desert of California is the most economically significant REE deposit in the USA and contains a few to tens of percent (by volume) of the carbonate REE ore mineral bastnäsite. Despite the economic significance of the Mountain Pass deposit, studies of its ore mineralogy are limited. Here we present new carbonate ore mineralogy data for a compositionally diverse suite of carbonatitic rocks from the Mountain Pass stock and related dikes. Whole-rock geochemical data are integrated with mineral-scale textural and chemical data obtained by scanning electron microscopy (SEM), electron probe microanalysis (EPMA), and microRaman spectroscopy. Our results document a complex spectrum of REE-bearing carbonate minerals and intermediate mixed-layer structures. Mineral species include bastnäsite [REE(CO3)F], hydroxylbastnäsite [REE(CO3)OH], parisite [Ca(REE)2(CO3)3F2], synchysite [Ca(REE)(CO3)2F], röntgenite [Ca2(Ce,La)3(CO3)5F3], and sahamalite [(Mg,Fe2+)(REE)2(CO3)4]. Carbonate ore mineralogy is heterogeneous within and between samples, including at the intracrystal scale. Complexly zoned crystals exhibit as many as five to six different compositional domains and syntaxial intergrowths, commonly with the more Ca-rich varieties (parisite, synchysite) forming crystal rims that surround relict bastnäsite cores. We attribute the phenocryst variability to changes in the chemistry and temperature of primary carbonatite magmas and evolved/exsolved fluids. Cross-cutting vein textures of calcite, celestine and various REE carbonate minerals, interstitial bastnäsite crystallization, breccia blocks lined by fine-grained bastnäsite, and the presence of hydroxylbastnäsite and partially hydroxylated bastnäsite point to the role of secondary hydrothermal processes in REE mineralization. Fluorcarbonate mineral compositions demonstrate that La and Ce are more structurally abundant in bastnäsite, whereas the more Ca-rich species (parisite, synchysite) contain a greater proportion of REE heavier than Pr (Nd, Sm, Eu, Gd) and Y. Atomic ratios of Pr/(Nd + Pr) are likewise variable, with the highest average value for bastnäsite (0.25) compared to parisite (0.22) and sychysite (0.21). This finding has geometallurgical implications, given that current mining operations are focused on recovery of Nd and Pr for high field strength permanent magnets and the Nd/Pr ratios are a critical factor in ore processing and magnet manufacture.
","language":"English","publisher":"Mineralogical Society of America","doi":"10.2138/am-2025-9822","usgsCitation":"Watts, K., and Andersen, A.K., 2026, Complex carbonate ore mineralogy in the Mountain Pass carbonatite rare earth element deposit, USA: American Mineralogist, v. 111, no. 1, p. 11-28, https://doi.org/10.2138/am-2025-9822.","productDescription":"18 p.","startPage":"11","endPage":"28","ipdsId":"IP-177044","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":491816,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Mojave Desert","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -116.7207777205175,\n 34.770376743385455\n ],\n [\n -116.7207777205175,\n 33.763579479875446\n ],\n [\n -114.52759201972991,\n 33.763579479875446\n ],\n [\n -114.52759201972991,\n 34.770376743385455\n ],\n [\n -116.7207777205175,\n 34.770376743385455\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"111","issue":"1","noUsgsAuthors":false,"publicationDate":"2026-01-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Watts, Kathryn E. 0000-0002-6110-7499","orcid":"https://orcid.org/0000-0002-6110-7499","contributorId":204344,"corporation":false,"usgs":true,"family":"Watts","given":"Kathryn E.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":942029,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Andersen, Allen K. 0000-0002-6865-2561","orcid":"https://orcid.org/0000-0002-6865-2561","contributorId":217476,"corporation":false,"usgs":true,"family":"Andersen","given":"Allen","email":"","middleInitial":"K.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":942030,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70275618,"text":"70275618 - 2026 - Inland habitat selection model for wintering whooping cranes","interactions":[],"lastModifiedDate":"2026-05-05T17:36:31.4674","indexId":"70275618","displayToPublicDate":"2025-06-01T00:00:00","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":12807,"text":"Proceedings of the North American Crane Workshop","active":true,"publicationSubtype":{"id":10}},"title":"Inland habitat selection model for wintering whooping cranes","docAbstract":"Inland habitat use by wintering Aransas-Wood Buffalo whooping cranes (Grus americana) is expected to increase given projected population growth and observations of some whooping cranes using inland winter habitat in addition to coastal marshes. We developed resource utilization functions using ‘random forests’ to model whooping crane use as a function of environmental covariates considered important for whooping crane use. Covariates associated with distance to cropland, distance to development, and wetness or standing water were the most influential in model prediction. The model estimated that the 50% predicted use contour encompassed 34,925 hectares (ha) and the 95% predicted use contour encompassed 328,928 ha within the study area. While presently limited by the small sample size of inland wintering areas observations (n = 7 cranes with ≥50 locations), this model provides an initial tool for identifying potential impacts to whooping crane inland habitat use in proximity to anthropogenic development. The model can be expanded to incorporate future data to reduce uncertainty.
","language":"English","publisher":"North American Crane Working Group","usgsCitation":"Tyrell, K., Brightwell, K., Crane, M., Harrell, W.C., Palmer, R., Pearse, A.T., and Owen, T., 2026, Inland habitat selection model for wintering whooping cranes: Proceedings of the North American Crane Workshop, v. 16, p. 95-103.","productDescription":"12 p.","startPage":"95","endPage":"103","ipdsId":"IP-164964","costCenters":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":504007,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Texas","otherGeospatial":"Aransas National Wildlife Refuge","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -97.24940288330839,\n 28.50017706804607\n ],\n [\n -97.7964288894185,\n 27.788990676203618\n ],\n [\n -97.8336048735802,\n 26.683030895385386\n ],\n [\n -97.24940275179439,\n 26.607143408842077\n ],\n [\n -95.90041534794268,\n 28.68632086745417\n ],\n [\n -96.63864045074938,\n 28.714460105279137\n ],\n [\n -97.24940288330839,\n 28.50017706804607\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"16","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Tyrell, Karen","contributorId":371133,"corporation":false,"usgs":false,"family":"Tyrell","given":"Karen","affiliations":[{"id":38051,"text":"Western EcoSystems Technology, Inc.","active":true,"usgs":false}],"preferred":false,"id":961080,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brightwell, Kristin","contributorId":371128,"corporation":false,"usgs":false,"family":"Brightwell","given":"Kristin","affiliations":[{"id":38051,"text":"Western EcoSystems Technology, Inc.","active":true,"usgs":false}],"preferred":false,"id":961081,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Crane, Matthew","contributorId":371134,"corporation":false,"usgs":false,"family":"Crane","given":"Matthew","affiliations":[{"id":38051,"text":"Western EcoSystems Technology, Inc.","active":true,"usgs":false}],"preferred":false,"id":961082,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Harrell, Wade C.","contributorId":147143,"corporation":false,"usgs":false,"family":"Harrell","given":"Wade","email":"","middleInitial":"C.","affiliations":[{"id":16793,"text":"USFWS, Ecological Services, Austwell, TX","active":true,"usgs":false}],"preferred":false,"id":961083,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Palmer, Rosa","contributorId":371135,"corporation":false,"usgs":false,"family":"Palmer","given":"Rosa","affiliations":[{"id":38051,"text":"Western EcoSystems Technology, Inc.","active":true,"usgs":false}],"preferred":false,"id":961084,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Pearse, Aaron T. 0000-0002-6137-1556 apearse@usgs.gov","orcid":"https://orcid.org/0000-0002-6137-1556","contributorId":1772,"corporation":false,"usgs":true,"family":"Pearse","given":"Aaron","email":"apearse@usgs.gov","middleInitial":"T.","affiliations":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":961085,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Owen, Ted","contributorId":371136,"corporation":false,"usgs":false,"family":"Owen","given":"Ted","affiliations":[{"id":38051,"text":"Western EcoSystems Technology, Inc.","active":true,"usgs":false}],"preferred":false,"id":961086,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70273657,"text":"70273657 - 2026 - Leucism in a family group and a review of color aberrations in Burrowing Owls (Athene cunicularia)","interactions":[],"lastModifiedDate":"2026-06-02T16:34:29.268165","indexId":"70273657","displayToPublicDate":"2025-05-29T08:25:39","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3784,"text":"Wilson Journal of Ornithology","active":true,"publicationSubtype":{"id":10}},"title":"Leucism in a family group and a review of color aberrations in Burrowing Owls (Athene cunicularia)","docAbstract":"Avian color aberrations capture public interest and sometimes indicate ecological problems. Diagnosing color aberration type can be difficult because nomenclature is inconsistent, appearance of color aberrations vary, typical coloration varies, and there are many undocumented color aberration types. One type of recognized avian color aberration is leucism. Leucism is often colloquially used to refer to all birds that are paler than normal but not albino, but it specifically refers to a plumage aberration in which, from hatching onward, birds are either all white or have patches of bilaterally symmetrical white feathers mixed with normally colored feathers, while retaining black pupils. Here, we document a case of leucism in a family of North American Burrowing Owls (Athene cunicularia). We observed a family group (two adults and five juveniles) of five leucistic, nearly all white owls, and two typically colored owls, in the Conata Basin, South Dakota, USA, in summer 2024. We also compiled all searchable records of color aberrations in Burrowing Owls across their North and South American range. We found 60 records of color aberrations, seven of which were cases of potential leucism. Twenty-five color aberrations were an unknown type in which only eye color was affected, all of them in Florida (USA) or south/central Brazil. Documenting color aberrations in birds can help expand our understanding of the types, causes, and consequences of color aberrations as well as the pigments and genetics that underly normal coloration.
","language":"English","publisher":"Taylor & Francis","doi":"10.1080/15594491.2025.2605827","usgsCitation":"Locatelli, A.J., Livieri, T.M., Forrest, S.C., Matchett, M.R., Conway, C.J., and Mangelsen, T.D., 2026, Leucism in a family group and a review of color aberrations in Burrowing Owls (Athene cunicularia): Wilson Journal of Ornithology, v. 138, no. 2, p. 326-335, https://doi.org/10.1080/15594491.2025.2605827.","productDescription":"10 p.","startPage":"326","endPage":"335","ipdsId":"IP-178133","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":498838,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":501110,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1080/15594491.2025.2605827","text":"Publisher Index Page"}],"country":"United States","state":"South Dakota","otherGeospatial":"Buffalo Gap National Grasslands, Conata Basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -103.22930479548828,\n 43.4255928036697\n ],\n [\n -103.22930479548828,\n 43.190598329342606\n ],\n [\n -102.87372783973137,\n 43.190598329342606\n ],\n [\n -102.87372783973137,\n 43.4255928036697\n ],\n [\n -103.22930479548828,\n 43.4255928036697\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"138","issue":"2","noUsgsAuthors":false,"publicationDate":"2026-01-09","publicationStatus":"PW","contributors":{"authors":[{"text":"Locatelli, Anthony J.","contributorId":365357,"corporation":false,"usgs":false,"family":"Locatelli","given":"Anthony","middleInitial":"J.","affiliations":[{"id":36394,"text":"University of Idaho","active":true,"usgs":false}],"preferred":false,"id":954201,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Livieri, Travis M.","contributorId":365358,"corporation":false,"usgs":false,"family":"Livieri","given":"Travis","middleInitial":"M.","affiliations":[{"id":6753,"text":"Prairie Wildlife Research","active":true,"usgs":false}],"preferred":false,"id":954202,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Forrest, Steven C.","contributorId":365359,"corporation":false,"usgs":false,"family":"Forrest","given":"Steven","middleInitial":"C.","affiliations":[{"id":87131,"text":"Truckee, CA","active":true,"usgs":false}],"preferred":false,"id":954203,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Matchett, Marc R.","contributorId":365360,"corporation":false,"usgs":false,"family":"Matchett","given":"Marc","middleInitial":"R.","affiliations":[{"id":36188,"text":"U.S. Fish and Wildlife Service","active":true,"usgs":false}],"preferred":false,"id":954204,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Conway, Courtney J. 0000-0003-0492-2953 cconway@usgs.gov","orcid":"https://orcid.org/0000-0003-0492-2953","contributorId":2951,"corporation":false,"usgs":true,"family":"Conway","given":"Courtney","email":"cconway@usgs.gov","middleInitial":"J.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":954205,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Mangelsen, Thomas D.","contributorId":365361,"corporation":false,"usgs":false,"family":"Mangelsen","given":"Thomas","middleInitial":"D.","affiliations":[{"id":87132,"text":"Images of Nature Moose Wyoming","active":true,"usgs":false}],"preferred":false,"id":954206,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70274034,"text":"70274034 - 2026 - Forecasting dynamics of a recolonizing wolf population under different management strategies","interactions":[],"lastModifiedDate":"2026-02-24T16:50:24.157035","indexId":"70274034","displayToPublicDate":"2025-05-16T10:08:26","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":774,"text":"Animal Conservation","active":true,"publicationSubtype":{"id":10}},"title":"Forecasting dynamics of a recolonizing wolf population under different management strategies","docAbstract":"Species recovery can be influenced by a wide variety of factors, such that predicting the spatiotemporal dynamics of recovering species can be exceedingly difficult. These predictions, however, are valuable for decision makers tasked with managing species and determining their legal status. We applied a spatially explicit projection model to estimate population growth and viability of gray wolves (Canis lupus) from 2021 to 2070 in the state of Washington, USA, where wolves have been naturally recolonizing since the establishment of the first resident pack in 2008. Using this model, we predicted the effects of 12 scenarios relating to management actions (e.g., lethal removals by the state agency, translocation, recreational harvest) and system uncertainties (e.g., immigration from out of state, disease) on the probability of meeting Washington's wolf recovery goals, the probability of extinction, and other metrics related to population status. Population recovery was defined under Washington's Wolf Conservation and Management Plan as four breeding pairs in each of three recovery regions and three additional breeding pairs anywhere in the state. The baseline and two translocation scenarios indicated a high (> 90%) probability of wolf recovery in Washington by 2070, but scenarios related to harvest mortality (removal of 5% of the population every 6 months), increased lethal removals (removal of 8.53% of the population across the state each year), and cessation of immigration from out of state resulted in probabilities of < 0.20 (0.01, 0.04, and 0.17, respectively) of meeting recovery goals by 2070. Only two scenarios of 12 (increased harvest and lethal removals scenarios) resulted in a geometric mean of population growth ≤ 1, indicating long-term population stability or growth for most scenarios. Our results suggest that wolves will continue to recolonize Washington and that recovery goals are likely to be met so long as harvest and lethal removals are not at unsustainable levels and adjacent populations support immigration into Washington.
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Ecohydaulics","active":true,"publicationSubtype":{"id":10}},"title":"Evaluating episodic sediment deposition zones in freshwater mussel habitats across Missouri, USA","docAbstract":"Point-source sedimentation, such as spills from construction-related activities, can introduce substantial sediments into streams in the short term, potentially leading to mussel burial. To estimate downstream areas where freshwater mussels might face threats from sediment burial within the mussel habitats of Missouri streams and rivers, we examined 49 reaches where both field measurements and gaging data are available. We established empirical relationships for three flow classes to represent general flow conditions of all reaches. Using these hydraulic data, we employed a Lagrangian particle tracking model to simulate sediment transport under each condition, employing two sediment size ranges covering very fine sands to small gravels, resulting in 72 simulated scenarios. The model results indicate that sediments with diameters exceeding a critical value, ranging from 0.041 to 1.975 mm for varying velocities (ranging from 0.124 to 2.191 m/s) and depths (ranging from 1 to 12 m), settle in downstream locations. Potential settling sites span from tens to hundreds of meters downstream. The mode, median, and mean of sediment distribution generally fall within the range of 10–200 m based on particle count, while these values typically range from 1 to 100 m based on sediment mass.
","language":"English","publisher":"Taylor & Francis","doi":"10.1080/24705357.2025.2462298","usgsCitation":"Sun, Q., Wang, B., Sansom, B.J., Trauth, K., Brown, H., Zhu, W., Kunz, J.L., Barnhart, M., McMurray, S.E., Roberts, A.D., Shulse, C., Knerr, C., Steevens, J.A., and Deng, B., 2025, Evaluating episodic sediment deposition zones in freshwater mussel habitats across Missouri, USA: Journal of Ecohydaulics, 15 p., https://doi.org/10.1080/24705357.2025.2462298.","productDescription":"15 p.","startPage":"56","endPage":"70","ipdsId":"IP-169588","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"links":[{"id":486510,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":490149,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1080/24705357.2025.2462298","text":"Publisher Index Page"}],"country":"United 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Christopher","affiliations":[],"preferred":false,"id":938219,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"McMurray, Stephen E.","contributorId":206918,"corporation":false,"usgs":false,"family":"McMurray","given":"Stephen","email":"","middleInitial":"E.","affiliations":[{"id":16971,"text":"Missouri Department of Conservation","active":true,"usgs":false}],"preferred":false,"id":938220,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Roberts, Andrew D","contributorId":335385,"corporation":false,"usgs":false,"family":"Roberts","given":"Andrew","email":"","middleInitial":"D","affiliations":[{"id":68344,"text":"U.S. Fish and Wildlife Service (USFWS)","active":true,"usgs":false}],"preferred":false,"id":938221,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Shulse, Christopher","contributorId":333128,"corporation":false,"usgs":false,"family":"Shulse","given":"Christopher","email":"","affiliations":[],"preferred":false,"id":938222,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Knerr, Caleb","contributorId":340192,"corporation":false,"usgs":false,"family":"Knerr","given":"Caleb","email":"","affiliations":[{"id":81501,"text":"Missouri Department of Transportation","active":true,"usgs":false}],"preferred":false,"id":938223,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Steevens, Jeffery A. 0000-0003-3946-1229","orcid":"https://orcid.org/0000-0003-3946-1229","contributorId":207511,"corporation":false,"usgs":true,"family":"Steevens","given":"Jeffery","middleInitial":"A.","affiliations":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"preferred":true,"id":938224,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Deng, Baolin","contributorId":331094,"corporation":false,"usgs":false,"family":"Deng","given":"Baolin","affiliations":[{"id":6754,"text":"University of Missouri","active":true,"usgs":false}],"preferred":false,"id":938225,"contributorType":{"id":1,"text":"Authors"},"rank":14}]}} ,{"id":70271473,"text":"70271473 - 2026 - Hazards related to man-made structures: Buildings, noise, electric power","interactions":[],"lastModifiedDate":"2025-09-17T14:28:25.500634","indexId":"70271473","displayToPublicDate":"2025-05-09T09:19:09","publicationYear":"2026","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"chapter":"50","title":"Hazards related to man-made structures: Buildings, noise, electric power","docAbstract":"Many man-made structures can form a hazard to avian wildlife. The most common hazard is one of collision, and this paper will look at problems with glass in buildings, power lines, and wind turbines all as sources of collision and trauma to avian wildlife. However, other anthropogenic factors that can adversely affect avian wildlife can be those that effectively eliminate suitable habitat for avian wildlife. These can include noise factors associated with such things as wind turbines and construction areas and the loss of habitat to large solar arrays, not to mention strip mining for coal and oil-sands. All these factors can contribute to the estimated loss of 3 billion birds in the last five decades.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Current therapy in avian medicine and surgery","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Elsiever","doi":"10.1016/B978-0-323-69484-1.00059-7","usgsCitation":"Olsen, G.H., 2026, Hazards related to man-made structures: Buildings, noise, electric power, chap. 50 of Current therapy in avian medicine and surgery, v. II, p. 805-811.e1, https://doi.org/10.1016/B978-0-323-69484-1.00059-7.","productDescription":"9 p.","startPage":"805","endPage":"811.e1","ipdsId":"IP-119476","costCenters":[{"id":50464,"text":"Eastern Ecological Science Center","active":true,"usgs":true}],"links":[{"id":495627,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"II","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"editors":[{"text":"Speer, Brian","contributorId":361488,"corporation":false,"usgs":false,"family":"Speer","given":"Brian","affiliations":[],"preferred":false,"id":948899,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"van Zeeland, Yvonne R.A.","contributorId":361489,"corporation":false,"usgs":false,"family":"van Zeeland","given":"Yvonne","middleInitial":"R.A.","affiliations":[],"preferred":false,"id":948900,"contributorType":{"id":2,"text":"Editors"},"rank":2}],"authors":[{"text":"Olsen, Glenn H. 0000-0002-7188-6203","orcid":"https://orcid.org/0000-0002-7188-6203","contributorId":238130,"corporation":false,"usgs":true,"family":"Olsen","given":"Glenn","email":"","middleInitial":"H.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":948881,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70273336,"text":"70273336 - 2026 - Submarine canyon sediment transport and accumulation during sea level highstand: Interactive seasonal regimes in the head of Astoria Canyon, WA","interactions":[],"lastModifiedDate":"2026-01-07T14:52:34.98763","indexId":"70273336","displayToPublicDate":"2025-03-27T08:48:58","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2667,"text":"Marine Geology","active":true,"publicationSubtype":{"id":10}},"title":"Submarine canyon sediment transport and accumulation during sea level highstand: Interactive seasonal regimes in the head of Astoria Canyon, WA","docAbstract":"The majority of submarine canyons on Earth today do not directly intersect littoral or fluvial sediment sources, yet these systems are rarely studied. The shelf-incised head of Astoria Canyon receives sediment from the nearby Columbia River and is subject to energetic forcing from shelf and slope processes, making it an ideal site to evaluate the modern activity of canyons in high-stand sea level conditions. This study uses in-situ data from Astoria Canyon to identify the active sediment transport processes and patterns of accumulation in temperate canyon systems that are decoupled from their sediment sources during sea level highstand. Hydrodynamic data from a benthic tripod deployment in the head of Astoria Canyon shows that sediment resuspension and transport during summer is driven by internal tides and plume-associated nonlinear internal waves. Observations of shoreward-directed currents and low shear stresses (<0.14 Pa) along with sediment trap data suggest that seasonal loading of the canyon head occurs during summer. Nearby long-term wave data show that winter storm significant wave height often exceeds 10 m, driving shear stress capable of resuspending all grain sizes present within the canyon head. Swell events are generally concurrent with downwelling flows, providing a mechanism for episodic downcanyon sediment flux. Century-scale accumulation rates evaluated from sediment cores show slow accumulation in the upper canyon head, but rates progressively increase with depth to at least 300 m. The depositional environment in Astoria Canyon continues to respond to fluvial and oceanic forcing over an annual cycle. This study indicates that canyon heads can continue to function as sites of sediment winnowing and bottom boundary layer export even with a detached, shelf-depth canyon head.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.margeo.2025.107516","usgsCitation":"Lahr, E., Ogston, A., Hill, J.C., Glover, H., and Rosenberger, K.J., 2026, Submarine canyon sediment transport and accumulation during sea level highstand: Interactive seasonal regimes in the head of Astoria Canyon, WA: Marine Geology, v. 484, 107516, https://doi.org/10.1016/j.margeo.2025.107516.","productDescription":"107516","ipdsId":"IP-158785","costCenters":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":498373,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Washington","otherGeospatial":"Astoria Canyon","volume":"484","noUsgsAuthors":false,"publicationDate":"2025-03-27","publicationStatus":"PW","contributors":{"authors":[{"text":"Lahr, E.","contributorId":364893,"corporation":false,"usgs":false,"family":"Lahr","given":"E.","affiliations":[{"id":6934,"text":"University of Washington","active":true,"usgs":false}],"preferred":false,"id":953387,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ogston, A.","contributorId":364894,"corporation":false,"usgs":false,"family":"Ogston","given":"A.","affiliations":[{"id":6934,"text":"University of Washington","active":true,"usgs":false}],"preferred":false,"id":953388,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hill, Jenna C. 0000-0002-7475-357X","orcid":"https://orcid.org/0000-0002-7475-357X","contributorId":21987,"corporation":false,"usgs":true,"family":"Hill","given":"Jenna","email":"","middleInitial":"C.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":953389,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Glover, H.","contributorId":364896,"corporation":false,"usgs":false,"family":"Glover","given":"H.","affiliations":[{"id":6680,"text":"Oregon State University","active":true,"usgs":false}],"preferred":false,"id":953390,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Rosenberger, Kurt J. 0000-0002-5185-5776 krosenberger@usgs.gov","orcid":"https://orcid.org/0000-0002-5185-5776","contributorId":140453,"corporation":false,"usgs":true,"family":"Rosenberger","given":"Kurt","email":"krosenberger@usgs.gov","middleInitial":"J.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true},{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true}],"preferred":true,"id":953391,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70273393,"text":"70273393 - 2026 - Iguanas rafted more than 8,000 km from North America to Fiji","interactions":[],"lastModifiedDate":"2026-01-12T15:35:09.447753","indexId":"70273393","displayToPublicDate":"2025-03-17T09:31:35","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3164,"text":"Proceedings of the National Academy of Sciences","active":true,"publicationSubtype":{"id":10}},"title":"Iguanas rafted more than 8,000 km from North America to Fiji","docAbstract":"Founder-event speciation can occur when one or more organisms colonize a distant, unoccupied area via long-distance dispersal, leading to the evolution of a new species lineage. Species radiations established by long-distance, and especially transoceanic, dispersal can cause substantial shifts in regional biodiversity. Here, we investigate the occurrence and timing of the greatest known long-distance oceanic dispersal event in the history of terrestrial vertebrates—the rafting of iguanas from North America to Fiji. Iguanas are large-bodied herbivores that are well-known overwater dispersers, including species that colonized the Caribbean and the Galápagos islands. However, the origin of Fijian iguanas had not been comprehensively tested. We estimated the phylogenetic relationships and evolutionary timescale of the iguanid lizard radiation using genome-wide exons and ultraconserved elements (UCEs). Those data indicate that the closest living relative of extant Fijian iguanas is the North American desert iguana and that the two taxa likely diverged during the late Paleogene near or after the onset of volcanism that produced the Fijian archipelago. Biogeographic models estimate North America as the most probable ancestral range of Fijian iguanas. Our analyses support the hypothesis that iguanas reached Fiji via an extraordinary oceanic dispersal event from western North America, and which spanned a fifth of the earth’s circumference (>8,000 km). Overwater rafting of iguanas from North America to Fiji strengthens the importance of founder-event speciation in the diversification of iguanids and elucidates the scope of long-distance dispersal across terrestrial vertebrates.
","language":"English","publisher":"National Academy of Sciences","doi":"10.1073/pnas.2318622122","usgsCitation":"Scarpetta, S.G., Fisher, R.D., Karin, B.R., Niukula, J.B., Corl, A., Jackman, T.R., and McGuire, J.A., 2026, Iguanas rafted more than 8,000 km from North America to Fiji: Proceedings of the National Academy of Sciences, v. 122, no. 12, e2318622122, 10 p., https://doi.org/10.1073/pnas.2318622122.","productDescription":"e2318622122, 10 p.","ipdsId":"IP-166203","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":498685,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1073/pnas.2318622122","text":"Publisher Index Page"},{"id":498552,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"122","issue":"12","noUsgsAuthors":false,"publicationDate":"2025-03-17","publicationStatus":"PW","contributors":{"authors":[{"text":"Scarpetta, Simon G.","contributorId":364984,"corporation":false,"usgs":false,"family":"Scarpetta","given":"Simon","middleInitial":"G.","affiliations":[{"id":87022,"text":"University of San Francisco; UC Berkeley","active":true,"usgs":false}],"preferred":false,"id":953556,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Fisher, Robert D. 0000-0002-2956-3240 rdfisher@usgs.gov","orcid":"https://orcid.org/0000-0002-2956-3240","contributorId":3913,"corporation":false,"usgs":true,"family":"Fisher","given":"Robert","email":"rdfisher@usgs.gov","middleInitial":"D.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":953557,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Karin, Benjamin R.","contributorId":364985,"corporation":false,"usgs":false,"family":"Karin","given":"Benjamin","middleInitial":"R.","affiliations":[{"id":6609,"text":"UC Berkeley","active":true,"usgs":false}],"preferred":false,"id":953558,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Niukula, Jone B.","contributorId":364986,"corporation":false,"usgs":false,"family":"Niukula","given":"Jone","middleInitial":"B.","affiliations":[{"id":87025,"text":"NatureFiji-MareqetiViti","active":true,"usgs":false}],"preferred":false,"id":953559,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Corl, Ammon","contributorId":364987,"corporation":false,"usgs":false,"family":"Corl","given":"Ammon","affiliations":[{"id":6609,"text":"UC Berkeley","active":true,"usgs":false}],"preferred":false,"id":953560,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Jackman, Todd R.","contributorId":364988,"corporation":false,"usgs":false,"family":"Jackman","given":"Todd","middleInitial":"R.","affiliations":[{"id":12766,"text":"Villanova University","active":true,"usgs":false}],"preferred":false,"id":953561,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"McGuire, Jimmy A.","contributorId":364989,"corporation":false,"usgs":false,"family":"McGuire","given":"Jimmy","middleInitial":"A.","affiliations":[{"id":6609,"text":"UC Berkeley","active":true,"usgs":false}],"preferred":false,"id":953562,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70261990,"text":"70261990 - 2026 - Integrating Sr isotopes, microchemistry, and genetics to reconstruct Salmonidae species and life history","interactions":[],"lastModifiedDate":"2026-05-07T15:32:32.686391","indexId":"70261990","displayToPublicDate":"2024-12-30T09:12:39","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":881,"text":"Archaeometry","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Integrating Sr isotopes, microchemistry, and genetics to reconstruct Salmonidae species and life history","title":"Integrating Sr isotopes, microchemistry, and genetics to reconstruct Salmonidae species and life history","docAbstract":"Recent approaches to fisheries research emphasize the importance of the coproduction of knowledge in building resilient and culturally mindful fisheries management frameworks. Despite widespread recognition of the need for Indigenous knowledge and historical reference points as baseline data, archaeological data are rarely included in conservation biology research designs. Here we propose a novel multiproxy method to learn from former fisheries stewards by generating archaeological data on past salmonid population parameters. We used a newly developed, high throughput qPCR (HT-qPCR) chip, originally designed for environmental DNA (eDNA), for species identification of archaeological salmonid vertebrae. We combine this with the laser ablation split-stream (LASS) approach to identify ocean-migration versus freshwater residency. We test this multidisciplinary approach using both contemporary and archaeological salmonid samples and new radiocarbon dates from the Tronsdal Site on the Skagit River, Washington State, USA. This is a useful approach for extracting information about Salmonidae species and life history diversity from archaeological remains to reconstruct historic baselines for several population parameters in anadromous species with long periods of freshwater residency. The approach outlined in this paper may be particularly useful for research investigating past fisheries dynamics, offering hundreds to thousands of years of temporal depth for modern fisheries management, harvest policies, restoration ecology, and conservation biology.
","language":"English","publisher":"Wiley","doi":"10.1111/arcm.13058","usgsCitation":"Salerno, R., Murdoch, R., Taylor Wilcox, Elmore, J., Hegg, J., Austin, C.S., LeMoine, M., Luckhurst, J., Fraik, A., and Molly Carney, 2026, Integrating Sr isotopes, microchemistry, and genetics to reconstruct Salmonidae species and life history: Archaeometry, v. 68, no. 52, p. S104-S129, https://doi.org/10.1111/arcm.13058.","productDescription":"26 p.","startPage":"S104","endPage":"S129","ipdsId":"IP-163914","costCenters":[{"id":49175,"text":"Geology, Energy & Minerals Science Center","active":true,"usgs":true}],"links":[{"id":465877,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":466671,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/arcm.13058","text":"Publisher Index Page"}],"country":"United States","state":"Idaho, Oregon, Washington","otherGeospatial":"Skagit River, Snake River, Tronsdal site","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -124.9016785186471,\n 49.33986640988289\n ],\n [\n -111.47275403140569,\n 49.33986640988289\n ],\n [\n -111.47275403140569,\n 42.18216305571397\n ],\n [\n -124.9016785186471,\n 42.18216305571397\n ],\n [\n -124.9016785186471,\n 49.33986640988289\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"68","issue":"52","noUsgsAuthors":false,"publicationDate":"2024-12-30","publicationStatus":"PW","contributors":{"authors":[{"text":"Salerno, Ross Anthony 0000-0002-0053-5668","orcid":"https://orcid.org/0000-0002-0053-5668","contributorId":347832,"corporation":false,"usgs":true,"family":"Salerno","given":"Ross Anthony","affiliations":[{"id":49175,"text":"Geology, Energy & Minerals Science Center","active":true,"usgs":true}],"preferred":true,"id":922565,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Murdoch, Remi 0009-0004-2039-0795","orcid":"https://orcid.org/0009-0004-2039-0795","contributorId":347833,"corporation":false,"usgs":false,"family":"Murdoch","given":"Remi","affiliations":[{"id":36523,"text":"University of Montana","active":true,"usgs":false}],"preferred":false,"id":922566,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Taylor Wilcox","contributorId":347835,"corporation":false,"usgs":false,"family":"Taylor Wilcox","affiliations":[{"id":36400,"text":"US Forest Service","active":true,"usgs":false}],"preferred":false,"id":922568,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Elmore, Joanna 0000-0002-2851-6290","orcid":"https://orcid.org/0000-0002-2851-6290","contributorId":347834,"corporation":false,"usgs":false,"family":"Elmore","given":"Joanna","affiliations":[{"id":36400,"text":"US Forest Service","active":true,"usgs":false}],"preferred":false,"id":922567,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hegg, Jens 0000-0003-0125-9287","orcid":"https://orcid.org/0000-0003-0125-9287","contributorId":347836,"corporation":false,"usgs":false,"family":"Hegg","given":"Jens","affiliations":[{"id":83257,"text":"Gonzaga University","active":true,"usgs":false}],"preferred":false,"id":922569,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Austin, Catherine S 0000-0003-4245-8266","orcid":"https://orcid.org/0000-0003-4245-8266","contributorId":316293,"corporation":false,"usgs":false,"family":"Austin","given":"Catherine","email":"","middleInitial":"S","affiliations":[{"id":6934,"text":"University of Washington","active":true,"usgs":false}],"preferred":false,"id":922570,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"LeMoine, Michael","contributorId":300286,"corporation":false,"usgs":false,"family":"LeMoine","given":"Michael","email":"","affiliations":[{"id":65066,"text":"Skagit River Systems Cooperative","active":true,"usgs":false}],"preferred":false,"id":922571,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Luckhurst, Jade","contributorId":347838,"corporation":false,"usgs":false,"family":"Luckhurst","given":"Jade","affiliations":[{"id":83258,"text":"Skagit River System Cooperative","active":true,"usgs":false}],"preferred":false,"id":922572,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Fraik, Alexandra 0000-0002-9285-1173","orcid":"https://orcid.org/0000-0002-9285-1173","contributorId":347839,"corporation":false,"usgs":false,"family":"Fraik","given":"Alexandra","affiliations":[{"id":36400,"text":"US Forest Service","active":true,"usgs":false}],"preferred":false,"id":922573,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Molly Carney 0000-0003-1535-7363","orcid":"https://orcid.org/0000-0003-1535-7363","contributorId":347840,"corporation":false,"usgs":false,"family":"Molly Carney","affiliations":[{"id":6680,"text":"Oregon State University","active":true,"usgs":false}],"preferred":false,"id":922574,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}} ,{"id":70275028,"text":"70275028 - 2026 - Upper Triassic igneous rocks of the southern Kenai Peninsula, Alaska – Prelude to Early Jurassic subduction along the western Wrangellia composite terrane margin","interactions":[],"lastModifiedDate":"2026-04-13T15:28:11.091256","indexId":"70275028","displayToPublicDate":"2024-08-14T10:22:53","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1169,"text":"Canadian Journal of Fisheries and Aquatic Sciences","active":true,"publicationSubtype":{"id":10}},"title":"Upper Triassic igneous rocks of the southern Kenai Peninsula, Alaska – Prelude to Early Jurassic subduction along the western Wrangellia composite terrane margin","docAbstract":"New U–Pb zircon geochronology identifies a latest Triassic (ca 214–201 Ma) igneous suite of tuff, hypabyssal dikes, and a pluton on the southern Kenai Peninsula, Alaska. The igneous suite was emplaced within Upper Triassic sedimentary rocks along the southern margin of Western Wrangellia, the western-most fragment of the Wrangellia composite terrane. The igneous rocks range from mafic (50.6% SiO2) to felsic (78.3% SiO2), characteristically have less than 1.55% K2O, and generally have low trace element abundances. The tonalitic and trondhjemitic magmas were largely sourced in mafic-rich lower crust and incompletely assimilated quartz and other mineral xenocrysts are common. Fractionation involving plagioclase and amphibole is indicated for some magmas and composite intrusions and igneous xenoliths indicate magma mixing was possible. Paleozoic and Precambrian inherited zircons and initial 87Sr/86Sr (0.704103–0.705609) and 143Nd/144Nd (0.512396–0.512777) ratios indicate that the Western Wrangellia crustal sources are heterogeneous and contain sialic components. The latest Triassic magmatism reflects processes that preceded Early Jurassic subduction along the Wrangellia composite terrane and Pacific Ocean plate boundary. These processes involved heating and melting of mantle lithosphere and lower crust as mantle instabilities accompanied the breaking of the plate boundary linkages. The Late Triassic transition to subduction along the Wrangellia composite terrane margin coincided with the transition to subduction cessation in the Late Triassic arcs of the western Intermontane terranes of Canada. The shift to subduction along the outboard Wrangellia composite terrane margin marks the beginning of the Pacific Ocean–Cordillera plate interactions that came to dominate the tectonic evolution of the northern Cordillera from the Early Jurassic to today.
","language":"English","publisher":"Canadian Science Publishing","doi":"10.1139/cjes-2024-0009","usgsCitation":"Hudson, T.L., Wilson, F.H., and O’Sullivan, P., 2026, Upper Triassic igneous rocks of the southern Kenai Peninsula, Alaska – Prelude to Early Jurassic subduction along the western Wrangellia composite terrane margin: Canadian Journal of Fisheries and Aquatic Sciences, v. 61, no. 9, p. 941-965, https://doi.org/10.1139/cjes-2024-0009.","productDescription":"15 p.","startPage":"941","endPage":"965","ipdsId":"IP-161254","costCenters":[{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true}],"links":[{"id":504067,"rank":0,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P1FDZG9X","text":"USGS data release","linkHelpText":"U-Pb Isotope Geochronology Data and Geochemical Analyses of Selected Rocks from the Seldovia Quadrangle, Southcentral Alaska"},{"id":502749,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"southern Kenai Peninsula","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -146.63613952005835,\n 62.54680811224148\n ],\n [\n -158.0836644356667,\n 62.54680811224148\n ],\n [\n -158.0836644356667,\n 55.29522427923976\n ],\n [\n -146.63613952005835,\n 55.29522427923976\n ],\n [\n -146.63613952005835,\n 62.54680811224148\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"61","issue":"9","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Hudson, Travis L. 0000-0003-1588-2280","orcid":"https://orcid.org/0000-0003-1588-2280","contributorId":329722,"corporation":false,"usgs":false,"family":"Hudson","given":"Travis","email":"","middleInitial":"L.","affiliations":[{"id":78701,"text":"Applied Geology, Inc.","active":true,"usgs":false}],"preferred":false,"id":959256,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wilson, Frederic H. 0000-0003-1761-6437 fwilson@usgs.gov","orcid":"https://orcid.org/0000-0003-1761-6437","contributorId":67174,"corporation":false,"usgs":true,"family":"Wilson","given":"Frederic","email":"fwilson@usgs.gov","middleInitial":"H.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true}],"preferred":true,"id":959257,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"O’Sullivan, Paul 0000-0002-7247-5107","orcid":"https://orcid.org/0000-0002-7247-5107","contributorId":254377,"corporation":false,"usgs":false,"family":"O’Sullivan","given":"Paul","email":"","affiliations":[{"id":51089,"text":"Geosep Services","active":true,"usgs":false}],"preferred":false,"id":959258,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70274602,"text":"70274602 - 2025 - Contribución de la geodesia a la gestión del riesgo volcánico del Nevado del Ruiz","interactions":[],"lastModifiedDate":"2026-04-29T14:04:51.824513","indexId":"70274602","displayToPublicDate":"2026-03-23T08:56:10","publicationYear":"2025","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Contribución de la geodesia a la gestión del riesgo volcánico del Nevado del Ruiz","docAbstract":"Nevado del Ruiz es uno de los volcanes más activos de Colombia. Adquirió una trágica notoriedad a causa de la devastadora erupción ocurrida en noviembre de 1985, que provocó la destrucción de la población de Armero. Desafortunadamente, los limitados datos de deformación recopilados en ese momento no proporcionaron una advertencia clara de la inminente erupción. Desde 1985, el seguimiento del volcán Nevado del Ruiz ha experimentado importantes avances. La integración del monitoreo geodésico con observaciones sísmicas, geoquímicas y geológicas ha mejorado la comprensión del comportamiento del volcán, fortaleciendo la evaluación de los peligros volcánicos y reduciendo significativamente el riesgo volcánico. Gracias a la información disponible en tiempo real sobre el estado del volcán y al trabajo continuo de profesionales experimentados, el Nevado del Ruiz ha dejado de ser reconocido por un desastre, transformándose en un ejemplo notable de gestión eficaz del riesgo volcánico.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Amenazas geologicas en Iberoamerica: Casos de estudio sobre movimientos en masa, terremotos y volcanes","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"Spanish","publisher":"Asociación de Servicios de Geología y Minería Iberoamericanos","usgsCitation":"Battaglia, M., Euillades, P., Idarraga, J., Mardones, C., Ordoñez, M., and Wright, H.M., 2025, Contribución de la geodesia a la gestión del riesgo volcánico del Nevado del Ruiz, chap. of Amenazas geologicas en Iberoamerica: Casos de estudio sobre movimientos en masa, terremotos y volcanes, p. 181-186.","productDescription":"6 p.","startPage":"181","endPage":"186","ipdsId":"IP-164236","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":503618,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":502170,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://asgmi.org/en/asgmi-finaliza-la-edicion-del-libro-amenazas-geologicas-en-iberoamerica-casos-de-estudio-sobre-movimientos-en-masa-terremotos-y-volcanes/"}],"country":"Colombia","otherGeospatial":"El Nevado del Ruiz volcano","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -75.25677255470573,\n 4.961979990127034\n ],\n [\n -75.38269925227559,\n 4.961979990127034\n ],\n [\n -75.38269925227559,\n 4.775156883601767\n ],\n [\n -75.25677255470573,\n 4.775156883601767\n ],\n [\n -75.25677255470573,\n 4.961979990127034\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"editors":[{"text":"Castellanos Abella, Enrique A.","contributorId":370634,"corporation":false,"usgs":false,"family":"Castellanos Abella","given":"Enrique","middleInitial":"A.","affiliations":[],"preferred":false,"id":960600,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Carvalho, João P.G.","contributorId":370635,"corporation":false,"usgs":false,"family":"Carvalho","given":"João","middleInitial":"P.G.","affiliations":[],"preferred":false,"id":960601,"contributorType":{"id":2,"text":"Editors"},"rank":2},{"text":"Castaño, Lina Marcela","contributorId":370636,"corporation":false,"usgs":false,"family":"Castaño","given":"Lina","middleInitial":"Marcela","affiliations":[],"preferred":false,"id":960602,"contributorType":{"id":2,"text":"Editors"},"rank":3}],"authors":[{"text":"Battaglia, Maurizio 0000-0003-4726-5287 mbattaglia@usgs.gov","orcid":"https://orcid.org/0000-0003-4726-5287","contributorId":204742,"corporation":false,"usgs":true,"family":"Battaglia","given":"Maurizio","email":"mbattaglia@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":958480,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Euillades, Pablo","contributorId":225156,"corporation":false,"usgs":false,"family":"Euillades","given":"Pablo","affiliations":[{"id":41053,"text":"Universidad Nacional de Cuyo, Facultad de Ingeniería, Instituto CEDIAC & CONICET","active":true,"usgs":false}],"preferred":false,"id":958481,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Idarraga, Juan","contributorId":369120,"corporation":false,"usgs":false,"family":"Idarraga","given":"Juan","affiliations":[{"id":12810,"text":"Colombian Geological Survey","active":true,"usgs":false}],"preferred":false,"id":958482,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mardones, Cristian","contributorId":369121,"corporation":false,"usgs":false,"family":"Mardones","given":"Cristian","affiliations":[{"id":87726,"text":"OVDAS - 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The lack of sufficiently long-term shoreline data partly hinders a better understanding of shoreline change driven by SLR. Thereby, existing formulations related to the equilibrium approach, which states that a beach profile shape equilibrates with its local wave and sea-level conditions, have serious limitations. Recent physical modelling studies provided data of beach profile evolution under changing sea levels in controlled laboratory settings. Here, we bring together and analyze laboratory data from three different physical modelling studies to better understand and predict shoreline response to SLR in the context of equilibrium concept. The data indicate a clear relationship among the analyzed variables, highlighting the importance of accounting for interactions between SLR and incident wave power. To further understand these interactions, and given the limited range of conditions tested in the laboratory, we implement a quasi-2D shoreline change model to generate additional synthetic data. We first calibrate and validate the model to emulate the existing laboratory experiments. The model reproduces multiple laboratory experiments that cover a range of settings, providing confidence in its accuracy. Further work will include the generation of synthetic data obtained by forcing the model with new combinations of SLR and wave conditions to better capture the dependency of shoreline recession on SLR and wave conditions.
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From seasonal to centennial timescales, sandy beach dynamics are strongly influenced by climate variability expressed in various forms, including seasonal cycles, climate modes (e.g., El Niño Southern Oscillation (ENSO)), and global warming. Satellite-based methods enable the observation of coastlines with unprecedented spatial and temporal coverage. However, over the past decade, as these methods have matured, coastal change studies have predominantly focused on long-term trends rather than on climate-driven cycles of shoreline change. In this study, we utilize a large dataset of monthly-sampled time series of waterline positions along the Pacific Coast of the United States and Baja California, Mexico. From these time series, we derived information on long-term trends and seasonal cycles of waterline change. Our analysis reveals clear contrasts in seasonal patterns of waterline variability across the study area, with greater amplitudes observed at higher latitudes. A shift in the dominant dynamics is evident in Southern Baja California, where shoreline variability is more influenced by intertropical dynamics and sea-level anomalies than by wave energy modulation, which dominates further north. ENSO is found to induce contrasting responses of the waterline along the study area. During El Niño events, shoreline retreat is observed in subtropical regions, while La Niña winters drive waterline retreat in higher latitudes, with southern regions either remaining stable or advancing.
","conferenceTitle":"Coastal Dynamics 2025","conferenceDate":"April 7-11, 2025","conferenceLocation":"Aveiro, Portugal","language":"English","publisher":"Springer","doi":"10.1007/978-3-032-15473-6_74","usgsCitation":"Graffin, M., Almar, R., Bergsma, E., Boucharel, J., Vitousek, S., Taherkhani, M., and Ruggiero, P., 2025, Climate-driven waterline variability along the North American West Coast, Coastal Dynamics 2025, v. 1, Aveiro, Portugal, April 7-11, 2025, p. 487-492, https://doi.org/10.1007/978-3-032-15473-6_74.","productDescription":"6 p.","startPage":"487","endPage":"492","ipdsId":"IP-167536","costCenters":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":505060,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1007/978-3-032-15473-6_74","text":"Publisher Index Page"},{"id":505000,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Mexico, United States","state":"Baja California, California, Oregon, Washington","otherGeospatial":"Pacific Coast","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -123.3985676,\n 48.2201252\n ],\n [\n -125.6837238,\n 48.5702737\n ],\n [\n -125.5079426,\n 39.7695235\n ],\n [\n -118.8282551,\n 31.7970917\n ],\n [\n -113.7305988,\n 26.1098572\n ],\n [\n -112.8516926,\n 26.739515\n ],\n [\n -116.3673176,\n 33.572328\n ],\n [\n -120.5860676,\n 36.167847\n ],\n [\n -123.5743488,\n 40.0392122\n ],\n [\n -123.3985676,\n 48.2201252\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"1","noUsgsAuthors":false,"publicationDate":"2026-03-05","publicationStatus":"PW","contributors":{"authors":[{"text":"Graffin, Marcan","contributorId":357210,"corporation":false,"usgs":false,"family":"Graffin","given":"Marcan","affiliations":[{"id":85346,"text":"LEGOS, Université de Toulouse","active":true,"usgs":false}],"preferred":false,"id":940794,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Almar, Rafael","contributorId":357211,"corporation":false,"usgs":false,"family":"Almar","given":"Rafael","affiliations":[{"id":85346,"text":"LEGOS, Université de Toulouse","active":true,"usgs":false}],"preferred":false,"id":940795,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bergsma, Erwin","contributorId":357212,"corporation":false,"usgs":false,"family":"Bergsma","given":"Erwin","affiliations":[{"id":49049,"text":"CNES","active":true,"usgs":false}],"preferred":false,"id":940796,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Boucharel, Julien","contributorId":357213,"corporation":false,"usgs":false,"family":"Boucharel","given":"Julien","affiliations":[{"id":85346,"text":"LEGOS, Université de Toulouse","active":true,"usgs":false}],"preferred":false,"id":940797,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Vitousek, Sean 0000-0002-3369-4673 svitousek@usgs.gov","orcid":"https://orcid.org/0000-0002-3369-4673","contributorId":149065,"corporation":false,"usgs":true,"family":"Vitousek","given":"Sean","email":"svitousek@usgs.gov","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":940798,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Taherkhani, Mohsen","contributorId":357214,"corporation":false,"usgs":false,"family":"Taherkhani","given":"Mohsen","affiliations":[{"id":6680,"text":"Oregon State University","active":true,"usgs":false}],"preferred":false,"id":940799,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Ruggiero, Peter","contributorId":357215,"corporation":false,"usgs":false,"family":"Ruggiero","given":"Peter","affiliations":[{"id":6680,"text":"Oregon State University","active":true,"usgs":false}],"preferred":false,"id":940800,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70273731,"text":"70273731 - 2025 - Field trip to a Laramide shallow subduction channel: Orocopia Schist in the Gavilan Hills, southeasternmost California; with incidental localities for three blue minerals","interactions":[],"lastModifiedDate":"2026-01-26T14:56:23.964457","indexId":"70273731","displayToPublicDate":"2026-01-09T08:48:59","publicationYear":"2025","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":2,"text":"State or Local Government Series"},"seriesTitle":{"id":19850,"text":"Arizona Geological Survey Contributed Report","active":true,"publicationSubtype":{"id":2}},"seriesNumber":"CR-25-A","title":"Field trip to a Laramide shallow subduction channel: Orocopia Schist in the Gavilan Hills, southeasternmost California; with incidental localities for three blue minerals","docAbstract":"No abstract available.
","language":"English","publisher":"Arizona Geological Survey","usgsCitation":"Haxel, G.B., Jacobson, C.E., and Epstein, G.S., 2025, Field trip to a Laramide shallow subduction channel: Orocopia Schist in the Gavilan Hills, southeasternmost California; with incidental localities for three blue minerals (Version 2.0): Arizona Geological Survey Contributed Report CR-25-A, 29 p.","productDescription":"29 p.","ipdsId":"IP-180445","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":499011,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":499009,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"http://hdl.handle.net/10150/679166"}],"country":"United States","state":"California","otherGeospatial":"Gavilan Hills","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -115.62861056551124,\n 33.15232535234544\n ],\n [\n -115.62861056551124,\n 32.726358673867935\n ],\n [\n -114.5125264750339,\n 32.726358673867935\n ],\n [\n -114.5125264750339,\n 33.15232535234544\n ],\n [\n -115.62861056551124,\n 33.15232535234544\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","edition":"Version 2.0","noUsgsAuthors":false,"publicationDate":"2026-01-09","publicationStatus":"PW","contributors":{"authors":[{"text":"Haxel, Gordon B. 0000-0002-6722-7803 gbhaxel@usgs.gov","orcid":"https://orcid.org/0000-0002-6722-7803","contributorId":261783,"corporation":false,"usgs":true,"family":"Haxel","given":"Gordon","email":"gbhaxel@usgs.gov","middleInitial":"B.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":954461,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jacobson, Carl E.","contributorId":365617,"corporation":false,"usgs":false,"family":"Jacobson","given":"Carl","middleInitial":"E.","affiliations":[{"id":6911,"text":"Iowa State University","active":true,"usgs":false}],"preferred":false,"id":954462,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Epstein, Gabe S.","contributorId":365619,"corporation":false,"usgs":false,"family":"Epstein","given":"Gabe","middleInitial":"S.","affiliations":[{"id":6934,"text":"University of Washington","active":true,"usgs":false}],"preferred":false,"id":954463,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70273331,"text":"70273331 - 2025 - Neotectonic origins for the Meadow Bank scarp, Wabash Valley seismic zone USA","interactions":[],"lastModifiedDate":"2026-01-07T16:38:07.821014","indexId":"70273331","displayToPublicDate":"2025-12-31T10:31:23","publicationYear":"2025","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":10542,"text":"The Seismic Record","active":true,"publicationSubtype":{"id":10}},"title":"Neotectonic origins for the Meadow Bank scarp, Wabash Valley seismic zone USA","docAbstract":"The Meadow Bank scarp (MBS) in southeastern Illinois is a linear geomorphic expression, ∼10 km long and ∼8 m high above a relatively flat landscape. It parallels an underlying northeast‐oriented Late‐Precambrian–Early‐Cambrian structural fabric, called the Wabash Valley fault zone, and is within an area of modern, historic, and paleo seismicity, called the Wabash Valley seismic zone. In addition, the MBS acts as a boundary of the Wabash River floodplain, as well as Pleistocene glacial outwash channels, which show evidence of frequent outburst flood events. To better understand the MBS’s equivocal origin in this complex geologic environment, we acquired a 917‐m‐long seismic‐reflection survey across its axis to assess the subsurface geologic configuration. The resultant image indicates a complex set of faults that antiformally fold and displace the top of Paleozoic bedrock by ∼12 m across the survey. Moreover, fault and/or fold deformation extends into the shallowest imaged Quaternary strata at ∼6 m below the ground surface. This suggests the MBS origin is related to underlying Quaternary reactivated, positively inverted faults rather than exclusively to glacial outburst flood erosion. These results provide rare paleoearthquake spatial constraints for central U.S. regional seismic hazard consideration.
","language":"English","publisher":"Seismological Society of America","doi":"10.1785/0320250028","usgsCitation":"Woolery, E.W., Stephenson, W.J., Woller, K., Leeds, A.L., Lindberg, N.S., Odum, J.K., Cearley, C., and Counts, R., 2025, Neotectonic origins for the Meadow Bank scarp, Wabash Valley seismic zone USA: The Seismic Record, v. 5, no. 4, p. 352-362, https://doi.org/10.1785/0320250028.","productDescription":"11 p.","startPage":"352","endPage":"362","ipdsId":"IP-169273","costCenters":[{"id":78686,"text":"Geologic Hazards Science Center - Seismology / Geomagnetism","active":true,"usgs":true}],"links":[{"id":498475,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1785/0320250028","text":"Publisher Index Page"},{"id":498387,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Illinois","otherGeospatial":"Wabash Valley seismic zone","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -89,\n 39.5\n ],\n [\n -89,\n 37.5\n ],\n [\n -86.5,\n 37.5\n ],\n [\n -86.5,\n 39.5\n ],\n [\n -89,\n 39.5\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"5","issue":"4","noUsgsAuthors":false,"publicationDate":"2025-12-31","publicationStatus":"PW","contributors":{"authors":[{"text":"Woolery, Edward W 0000-0003-3398-5830","orcid":"https://orcid.org/0000-0003-3398-5830","contributorId":192994,"corporation":false,"usgs":false,"family":"Woolery","given":"Edward","email":"","middleInitial":"W","affiliations":[],"preferred":false,"id":953361,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stephenson, William J. 0000-0001-8699-0786 wstephens@usgs.gov","orcid":"https://orcid.org/0000-0001-8699-0786","contributorId":695,"corporation":false,"usgs":true,"family":"Stephenson","given":"William","email":"wstephens@usgs.gov","middleInitial":"J.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":953362,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Woller, Kevin","contributorId":364876,"corporation":false,"usgs":false,"family":"Woller","given":"Kevin","affiliations":[{"id":12425,"text":"University of Kentucky","active":true,"usgs":false}],"preferred":false,"id":953363,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Leeds, Alena L. 0000-0002-8756-3687 aleeds@usgs.gov","orcid":"https://orcid.org/0000-0002-8756-3687","contributorId":4077,"corporation":false,"usgs":true,"family":"Leeds","given":"Alena","email":"aleeds@usgs.gov","middleInitial":"L.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":953364,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Lindberg, Noah Silas 0000-0003-2861-3290","orcid":"https://orcid.org/0000-0003-2861-3290","contributorId":334408,"corporation":false,"usgs":true,"family":"Lindberg","given":"Noah","email":"","middleInitial":"Silas","affiliations":[{"id":78686,"text":"Geologic Hazards Science Center - Seismology / Geomagnetism","active":true,"usgs":true}],"preferred":true,"id":953365,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Odum, Jackson K.","contributorId":364877,"corporation":false,"usgs":false,"family":"Odum","given":"Jackson","middleInitial":"K.","affiliations":[{"id":7065,"text":"USGS emeritus","active":true,"usgs":false}],"preferred":false,"id":953366,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Cearley, Cooper","contributorId":364879,"corporation":false,"usgs":false,"family":"Cearley","given":"Cooper","affiliations":[{"id":590,"text":"U.S. Army Corps of Engineers","active":false,"usgs":false}],"preferred":false,"id":953367,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Counts, Ron 0000-0002-8426-1990","orcid":"https://orcid.org/0000-0002-8426-1990","contributorId":222105,"corporation":false,"usgs":false,"family":"Counts","given":"Ron","affiliations":[{"id":36508,"text":"University of Mississippi","active":true,"usgs":false}],"preferred":false,"id":953368,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":70272788,"text":"sir20255101 - 2025 - Evaluating hydrologic data products for scientific and management applications related to potential future streamflow conditions in the Upper Mississippi and Illinois Rivers","interactions":[],"lastModifiedDate":"2026-02-05T20:25:34.834239","indexId":"sir20255101","displayToPublicDate":"2025-12-31T07:02:59","publicationYear":"2025","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2025-5101","displayTitle":"Evaluating Hydrologic Data Products for Scientific and Management Applications Related to Potential Future Streamflow Conditions in the Upper Mississippi and Illinois Rivers","title":"Evaluating hydrologic data products for scientific and management applications related to potential future streamflow conditions in the Upper Mississippi and Illinois Rivers","docAbstract":"The hydrology of the Upper Mississippi and Illinois Rivers is a fundamental driver of ecosystem patterns and processes across a large portion of the United States. Quantitative hydrologic data for the main stems of these rivers underlie numerous scientific investigations, statistical models, and decision-making processes for local, State, and Federal agencies involved in the Upper Mississippi River Restoration program. Although historical hydrologic data exist, data representing potential future conditions of the Upper Mississippi and Illinois Rivers lack the resolution necessary to anticipate biotic and abiotic responses to altered hydrology and to determine resilient management actions. A source of future hydrologic scenarios is the readily available LOCA–VIC–mizuRoute hydrologic data products (named for the chain of models the data are produced from—localized constructed analogs, Variable Infiltration Capacity macroscale hydrological model, and the mizuRoute hydrologic routing model—that we shorten further to LVM in this report) that include simulated discharges for historic and future timeframes. The objective of this study is to assess the reliability of the hydrologic data products for their use in Upper Mississippi River Restoration program applications. Key study questions are (1) do the hydrologic data products reproduce characteristics of hydrology necessary to support ecological modeling and restoration decision-making applications within the Upper Mississippi River Restoration program? and (2) are there geographic differences in the reliability of the hydrologic data products?
Seven characteristics of river hydrology were selected related to flow magnitude, seasonality, and regime for evaluation. The seven characteristics were calculated using observed and historical simulated hydrologic data at 19 U.S. Geological Survey streamgages throughout the basins of the Upper Mississippi and Illinois Rivers; two streamgages are located on the main stem of the Mississippi River and two streamgages are located on the main stem of the Illinois River. Statistical comparisons between observed and historical simulated characteristics indicated that the hydrologic data products did not reliably represent historical hydrologic conditions in the basin or main stem. The hydrologic data products we evaluated could not reliably capture the overall hydrologic regime or flow magnitudes; the latter is evidenced by substantial underestimates of discharge at most streamgages. Seasonal hydrologic characteristics were captured more reliably than flow magnitude, but overall correspondence was low for most streamgages. A weak latitudinal pattern in seasonal characteristics indicated the hydrologic data products poorly represent streamflow timing in snow-affected regions of the basin. Discrepancies in magnitude, seasonality, and regime indicate the potential for multiple sources of error. Because poor correspondence was present across all 19 streamgages, it was not possible to identify specific drivers of poor performance (that is, drainage area or geography). The modeling chain should be evaluated for biases associated with meteorologic forcing data, as well as hydrologic model formulation and calibration.
We conclude that the hydrologic data products we evaluated appear unsuitable for applications tied to habitat and ecosystem restoration and management in the Upper Mississippi and Illinois Rivers. Plans to develop a future hydrology dataset for the Upper Mississippi River Restoration program would benefit from ongoing work to improve global climate model output downscaling methods, to improve hydrologic models, to make use of innovations in machine-learning approaches for projecting hydrology, and other efforts. The framework developed herein to evaluate hydrometeorological outputs generated using global climate models for a specific water resources application is a transferrable approach that could be applied to other data products and river systems.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20255101","collaboration":"Prepared in cooperation with the U.S. Army Corps of Engineers","usgsCitation":"Van Appledorn, M., Sawyer, L., Delaney, J., Mueller, C., Youngblood, L., Harrell, J., Breaker, B., and Frans, C., 2025, Evaluating hydrologic data products for scientific and management applications related to potential future streamflow conditions in the Upper Mississippi and Illinois Rivers: U.S. Geological Survey Scientific Investigations Report 2025–5101, 61 p., https://doi.org/10.3133/sir20255101.","productDescription":"Report: vii, 61 p.; Dataset","numberOfPages":"74","onlineOnly":"Y","additionalOnlineFiles":"N","ipdsId":"IP-168496","costCenters":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"links":[{"id":497212,"rank":5,"type":{"id":34,"text":"Image Folder"},"url":"https://pubs.usgs.gov/sir/2025/5101/images"},{"id":497211,"rank":4,"type":{"id":31,"text":"Publication XML"},"url":"https://pubs.usgs.gov/sir/2025/5101/sir20255101.XML","linkFileType":{"id":8,"text":"xml"}},{"id":497210,"rank":3,"type":{"id":39,"text":"HTML Document"},"url":"https://pubs.usgs.gov/publication/sir20255101/full","linkFileType":{"id":5,"text":"html"}},{"id":499598,"rank":7,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_119153.htm","linkFileType":{"id":5,"text":"html"}},{"id":497239,"rank":6,"type":{"id":28,"text":"Dataset"},"url":"https://doi.org/10.5066/F7P55KJN","text":"USGS National Water Information System database","linkHelpText":"- USGS water data for the Nation"},{"id":497207,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/sir/2025/5101/coverthb.jpg"},{"id":497208,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2025/5101/sir20255101.pdf","text":"Report","size":"5.91 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIR 2025–5051"}],"country":"United States","state":"Illinois, Indiana, Iowa, Minnesota, Missouri, South Dakota, Wisconsin","otherGeospatial":"Upper Mississippi and Illinois Rivers","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -95.22471535622894,\n 47.665636098460055\n ],\n [\n -96.33347677420088,\n 46.199243414391816\n ],\n [\n -98.31270934097893,\n 45.87559838036478\n ],\n [\n -94.41776106593042,\n 40.4616759608773\n ],\n [\n -92.16087186224964,\n 36.96306941324279\n ],\n [\n -88.4774787487018,\n 36.50634300187468\n ],\n [\n -86.96280550173634,\n 41.463056598324656\n ],\n [\n -88.07530637371752,\n 42.73486591964032\n ],\n [\n -88.68694421055064,\n 45.85608340482759\n ],\n [\n -95.22471535622894,\n 47.665636098460055\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","contact":"Director, Upper Midwest Environmental Sciences Center
U.S. Geological Survey
2630 Fanta Reed Road
La Crosse, Wisconsin 54603
Evaluating invasive species removal can help improve efficacy or application of control tools. Toxic baiting is a primary method used to suppress many invasive species, including the brown treesnake (Boiga irregularis) in Guam. Based on limited alternative approaches to assess tool efficacy in snake removal, bait take is often used as a proxy for snake removal, despite evidence that nontarget species remove baits in a spatially heterogeneous manner. Using photographic validation, we tested take rates of mouse, chick, and rat baits by brown treesnakes and nontargets, including invertebrates, at three sites undergoing snake removal for vertebrate conservation goals. We also identified the ant species present on baits for a subset of baits. Take rates by snakes and nontargets varied by site. We found that nontarget take (22–42%) was considerably greater than take by brown treesnakes (1–13%). In addition, baits that had ants were taken less often by snakes as compared to baits without ants (7–12% vs. 8–52%, respectively). The dominant ant species collected from ant bait stations affiliated with baits was Solenopsis spp. Ant presence appeared to have deterred brown treesnakes from consuming baits, and ant removal or prevention may improve take rates by brown treesnakes. There was not, however, a consistent correction factor that could be applied across sites to estimate brown treesnake take rates of baits without photographic validation.
","language":"English","publisher":"BioOne","doi":"10.2984/79.3.1","usgsCitation":"Nafus, M.G., Reyes, A.A., Daria, B.S., Quinata, C., and Miller, R., 2025, A comparative evaluation of bait types taken by brown treesnakes or other nontarget species, including ants: Pacific Science, v. 79, no. 3, p. 333-344, https://doi.org/10.2984/79.3.1.","productDescription":"12 p.","startPage":"333","endPage":"344","ipdsId":"IP-166846","costCenters":[{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true}],"links":[{"id":501883,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Guam","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n 144.99148065516488,\n 13.611465954876934\n ],\n [\n 144.84690279350855,\n 13.678447233419732\n ],\n [\n 144.58464527701608,\n 13.446382566640793\n ],\n [\n 144.61322462176173,\n 13.2157295756938\n ],\n [\n 144.75612134549243,\n 13.184631911187978\n ],\n [\n 144.82336686254172,\n 13.395690523177166\n ],\n [\n 144.99148065516488,\n 13.611465954876934\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"79","issue":"3","noUsgsAuthors":false,"publicationDate":"2025-12-29","publicationStatus":"PW","contributors":{"authors":[{"text":"Nafus, Melia G. 0000-0002-7325-3055 mnafus@usgs.gov","orcid":"https://orcid.org/0000-0002-7325-3055","contributorId":197462,"corporation":false,"usgs":true,"family":"Nafus","given":"Melia","email":"mnafus@usgs.gov","middleInitial":"G.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":958110,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reyes, Amanda A","contributorId":368919,"corporation":false,"usgs":false,"family":"Reyes","given":"Amanda","middleInitial":"A","affiliations":[{"id":54632,"text":"Research Corporation of the University of Guam","active":true,"usgs":false}],"preferred":false,"id":958111,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Daria, Bae S.","contributorId":368920,"corporation":false,"usgs":false,"family":"Daria","given":"Bae","middleInitial":"S.","affiliations":[{"id":54632,"text":"Research Corporation of the University of Guam","active":true,"usgs":false}],"preferred":false,"id":958112,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Quinata, Christiana-Jo Concepcion 0009-0000-6209-2391","orcid":"https://orcid.org/0009-0000-6209-2391","contributorId":357886,"corporation":false,"usgs":true,"family":"Quinata","given":"Christiana-Jo Concepcion","affiliations":[{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true}],"preferred":true,"id":958113,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Miller, Ross","contributorId":368921,"corporation":false,"usgs":false,"family":"Miller","given":"Ross","affiliations":[{"id":38228,"text":"University of Guam","active":true,"usgs":false}],"preferred":false,"id":958114,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70273261,"text":"70273261 - 2025 - Pleistocene porcupine (Erethizontidae) records in arid southwestern North America and comparisons with the modern distribution of Erethizon dorsatum in southern California and Arizona","interactions":[],"lastModifiedDate":"2025-12-29T16:15:55.52542","indexId":"70273261","displayToPublicDate":"2025-12-29T10:13:21","publicationYear":"2025","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3746,"text":"Western North American Naturalist","onlineIssn":"1944-8341","printIssn":"1527-0904","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Pleistocene porcupine (Erethizontidae) records in arid southwestern North America and comparisons with the modern distribution of Erethizon dorsatum in southern California and Arizona","title":"Pleistocene porcupine (Erethizontidae) records in arid southwestern North America and comparisons with the modern distribution of Erethizon dorsatum in southern California and Arizona","docAbstract":"he North American porcupine (Erethizon dorsatum) is widely distributed throughout many ecosystems on the continent from northern Mexico to the Arctic Ocean, except for the southeastern portion of the United States. Habitats include the arid Desert Southwest region where modern records are generally sparse. The paleogeographic range in the Desert Southwest is not unlike the modern distribution of Erethizon, with some exceptions. Although there are early Pleistocene records of Erethizon for southern California, no late Pleistocene records (Rancholabrean North American Land Mammal Age [NALMA]) are known for Imperial, Inyo, Riverside, or San Bernardino Counties in southern California or in Mexico. This is surprising given late-Pleistocene records in Arizona, Nevada, and New Mexico and modern records from southern California and Mexico. Pleistocene habitats for porcupines were similar to those occupied today, just at different elevations due to differing climates. Modern preferred habitats in the Desert Southwest include conifer-clad high-elevation areas and associated pinyon pine / juniper belts, and occasionally riparian corridors in desert environments. The overall rarity of porcupines today in arid parts of the Desert Southwest is likely due to the combination of increasing aridity in the region during the Holocene, past persecution by humans, and increasing predator populations.
","language":"English","publisher":"Brigham Young University","usgsCitation":"Lovich, J.E., and Jefferson, G.T., 2025, Pleistocene porcupine (Erethizontidae) records in arid southwestern North America and comparisons with the modern distribution of Erethizon dorsatum in southern California and Arizona: Western North American Naturalist, v. 85, 6, 24 p.","productDescription":"6, 24 p.","ipdsId":"IP-151905","costCenters":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"links":[{"id":498148,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":498068,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://scholarsarchive.byu.edu/wnan/vol85/iss4/6/"}],"country":"United States","state":"Arizona, California","volume":"85","edition":"4","noUsgsAuthors":false,"publicationDate":"2025-12-29","publicationStatus":"PW","contributors":{"authors":[{"text":"Lovich, Jeffrey E. 0000-0002-7789-2831 jeffrey_lovich@usgs.gov","orcid":"https://orcid.org/0000-0002-7789-2831","contributorId":458,"corporation":false,"usgs":true,"family":"Lovich","given":"Jeffrey","email":"jeffrey_lovich@usgs.gov","middleInitial":"E.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true},{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":952914,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jefferson, George T.","contributorId":364587,"corporation":false,"usgs":false,"family":"Jefferson","given":"George","middleInitial":"T.","affiliations":[{"id":86855,"text":"Department of Parks and Recreation, Colorado Desert District, Stout Research Center, Borrego Springs, California 92004","active":true,"usgs":false}],"preferred":false,"id":952915,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70273662,"text":"70273662 - 2025 - Moose survival and habitat‐associated risk of endoparasites","interactions":[],"lastModifiedDate":"2026-01-22T16:05:29.482923","indexId":"70273662","displayToPublicDate":"2025-12-29T09:56:14","publicationYear":"2025","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1467,"text":"Ecology and Evolution","active":true,"publicationSubtype":{"id":10}},"title":"Moose survival and habitat‐associated risk of endoparasites","docAbstract":"Parasite-induced morbidity and mortality can alter the trajectories of incidental host populations. Yet, parasites rarely act in isolation and may be one of a multitude of biotic and abiotic stressors that collectively shape mortality risk in vertebrate populations. We quantified sources of mortality in a low-density population of moose (Alces alces) in New York State and investigated factors including parasite infection, nutritional limitation, and thermal stress influencing mortality risk in calf moose. We observed high rates of annual survival (0.81–0.92) in adult (n = 25) and calf (n = 27) moose monitored 2015–2018 and 2022–2024, respectively. The majority of cause-specific mortality was attributed to disease induced by giant liver fluke (Fascioloides magna; 75% in adults, 67% in calves). Calf mortality risk increased by 72% for every unit increase in giant liver fluke infection risk, measured as cumulative monthly proportion of wetlands used by moose, and decreased by 16% with each additional unit of nutritional energy available. The combination of flukes, coinfecting parasites, and available nutritional energy is important to calf survival in this population, highlighting the importance of managing multiple stressors for species conservation, although the effects are hard to disentangle given the high rates of survival observed. Identifying causes of mortality and mechanisms underlying increased mortality risk contributes to the continued conservation of moose in fluctuating populations and highlights the importance of managing parasite-induced disease.
","language":"English","publisher":"Wiley","doi":"10.1002/ece3.72721","usgsCitation":"Grauer, J.A., Frair, J.L., Schuler, K.L., Lejeune, M., Kramer, D.W., and Fuller, A.K., 2025, Moose survival and habitat‐associated risk of endoparasites: Ecology and Evolution, v. 15, no. 12, e72721, 13 p., https://doi.org/10.1002/ece3.72721.","productDescription":"e72721, 13 p.","ipdsId":"IP-174117","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":498940,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/ece3.72721","text":"Publisher Index Page"},{"id":498845,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"New York","otherGeospatial":"Adirondack Park","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -74.95550657922735,\n 44.95159248774067\n ],\n [\n -74.95550657922735,\n 43.58240923383917\n ],\n [\n -73.37197044848568,\n 43.58240923383917\n ],\n [\n -73.37197044848568,\n 44.95159248774067\n ],\n [\n -74.95550657922735,\n 44.95159248774067\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"15","issue":"12","noUsgsAuthors":false,"publicationDate":"2025-12-29","publicationStatus":"PW","contributors":{"authors":[{"text":"Grauer, Jennifer A.","contributorId":365370,"corporation":false,"usgs":false,"family":"Grauer","given":"Jennifer","middleInitial":"A.","affiliations":[{"id":48981,"text":"State University of New York","active":true,"usgs":false}],"preferred":false,"id":954228,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Frair, Jacqueline L.","contributorId":365371,"corporation":false,"usgs":false,"family":"Frair","given":"Jacqueline","middleInitial":"L.","affiliations":[{"id":48981,"text":"State University of New York","active":true,"usgs":false}],"preferred":false,"id":954229,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schuler, Krysten L.","contributorId":365372,"corporation":false,"usgs":false,"family":"Schuler","given":"Krysten","middleInitial":"L.","affiliations":[{"id":12722,"text":"Cornell University","active":true,"usgs":false}],"preferred":false,"id":954230,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lejeune, Manigandan","contributorId":359243,"corporation":false,"usgs":false,"family":"Lejeune","given":"Manigandan","affiliations":[{"id":6680,"text":"Oregon State University","active":true,"usgs":false}],"preferred":false,"id":954231,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Kramer, David W.","contributorId":365373,"corporation":false,"usgs":false,"family":"Kramer","given":"David","middleInitial":"W.","affiliations":[{"id":48981,"text":"State University of New York","active":true,"usgs":false}],"preferred":false,"id":954232,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Fuller, Angela K. 0000-0002-9247-7468 afuller@usgs.gov","orcid":"https://orcid.org/0000-0002-9247-7468","contributorId":3984,"corporation":false,"usgs":true,"family":"Fuller","given":"Angela","email":"afuller@usgs.gov","middleInitial":"K.","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":954233,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70273427,"text":"70273427 - 2025 - Status of Clear Lake Hitch in Lower Blue Lake, Lake County, California","interactions":[],"lastModifiedDate":"2026-01-13T15:57:41.337649","indexId":"70273427","displayToPublicDate":"2025-12-29T09:51:13","publicationYear":"2025","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":10946,"text":"California Fish and Wildlife Journal","active":true,"publicationSubtype":{"id":10}},"title":"Status of Clear Lake Hitch in Lower Blue Lake, Lake County, California","docAbstract":"No abstract available.
","language":"English","publisher":"California Department of Fish and Wildlife","doi":"10.51492/cfwj.111.20","usgsCitation":"Buxton, J., Wulff, M.L., Violette, V.L., Palm, D.L., Young, M.J., and Feyrer, F., 2025, Status of Clear Lake Hitch in Lower Blue Lake, Lake County, California: California Fish and Wildlife Journal, v. 111, e20, 10 p., https://doi.org/10.51492/cfwj.111.20.","productDescription":"e20, 10 p.","ipdsId":"IP-173064","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":498697,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.51492/cfwj.111.20","text":"Publisher Index Page"},{"id":498588,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","county":"Lake County","otherGeospatial":"Lower Blue Lake","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -123.00399260265601,\n 39.16742829767526\n ],\n [\n -123.00399260265601,\n 39.15678416629916\n ],\n [\n -122.99432648402616,\n 39.15678416629916\n ],\n [\n -122.99432648402616,\n 39.16742829767526\n ],\n [\n -123.00399260265601,\n 39.16742829767526\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"111","noUsgsAuthors":false,"publicationDate":"2025-12-29","publicationStatus":"PW","contributors":{"authors":[{"text":"Buxton, Jordan Mae-Jean 0000-0002-7233-0944","orcid":"https://orcid.org/0000-0002-7233-0944","contributorId":316288,"corporation":false,"usgs":true,"family":"Buxton","given":"Jordan Mae-Jean","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953653,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wulff, Marissa L. 0000-0003-0121-9066","orcid":"https://orcid.org/0000-0003-0121-9066","contributorId":229534,"corporation":false,"usgs":true,"family":"Wulff","given":"Marissa","email":"","middleInitial":"L.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953654,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Violette, Veronica L. 0000-0002-7390-4655 vviolette@usgs.gov","orcid":"https://orcid.org/0000-0002-7390-4655","contributorId":222824,"corporation":false,"usgs":true,"family":"Violette","given":"Veronica","email":"vviolette@usgs.gov","middleInitial":"L.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953655,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Palm, Danielle L. 0000-0003-3045-5287","orcid":"https://orcid.org/0000-0003-3045-5287","contributorId":265762,"corporation":false,"usgs":true,"family":"Palm","given":"Danielle","email":"","middleInitial":"L.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953656,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Young, Matthew J. 0000-0001-9306-6866 mjyoung@usgs.gov","orcid":"https://orcid.org/0000-0001-9306-6866","contributorId":206255,"corporation":false,"usgs":true,"family":"Young","given":"Matthew","email":"mjyoung@usgs.gov","middleInitial":"J.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953657,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Feyrer, Frederick 0000-0003-1253-2349","orcid":"https://orcid.org/0000-0003-1253-2349","contributorId":211771,"corporation":false,"usgs":true,"family":"Feyrer","given":"Frederick","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953658,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70274029,"text":"70274029 - 2025 - Watershed forest cover and habitat restoration can offset some negative impacts of climate change on freshwater fishes and mussels","interactions":[],"lastModifiedDate":"2026-02-20T16:55:53.20907","indexId":"70274029","displayToPublicDate":"2025-12-26T09:50:34","publicationYear":"2025","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":16703,"text":"PLOS Climate","active":true,"publicationSubtype":{"id":10}},"title":"Watershed forest cover and habitat restoration can offset some negative impacts of climate change on freshwater fishes and mussels","docAbstract":"Many species of freshwater fishes and freshwater mussels have experienced population declines over the past century due to threats including habitat degradation, overexploitation, species invasion, and climate change. Management actions may offset climate-related changes to biodiversity, although identifying appropriate strategies is challenging. Our goal was to identify the impacts of climate change on freshwater biota (i.e., fish and mussel) distribution and management actions that may offset the climate change impacts across the northeastern United States. We used land use, geography, stream temperature, and streamflow variables to predict species distribution in a baseline scenario, climate change scenario, and several climate change plus land use management scenarios. We found climate change negatively impacted (i.e., reduced the probability of occurrence of) coldwater fishes and reduced the relative occurrence probability of fluvial specialist and coolwater fishes compared to other species. Increasing watershed forest cover best offset these negative impacts and minimized the predicted transition from coldwater fish dominance to warmwater fish dominance in coldwater habitats; however, no intervention fully offset the negative impacts of climate change on vulnerable fish groups (i.e., coldwater and fluvial specialist fishes). Climate change negatively impacted all vulnerable groups of mussels (e.g., lotic species, drying intolerant) and mussel species richness. Combining multiple management interventions (e.g., increase forest cover, dam removal, etc.) had the greatest potential to offset the negative impacts of climate change for freshwater mussels and fishes. This study provides managers a comparison of management interventions across a landscape to combat the impacts of climate change on biota in streams and rivers.
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2025 - Satellite radar advances could transform global snow monitoring","interactions":[],"lastModifiedDate":"2026-02-24T16:37:56.145292","indexId":"70273439","displayToPublicDate":"2025-12-24T08:58:26","publicationYear":"2025","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":7602,"text":"Eos, American Geophysical Union","active":true,"publicationSubtype":{"id":10}},"title":"Satellite radar advances could transform global snow monitoring","docAbstract":"The recent SnowEx campaign and the new NISAR satellite mission are lighting the way to high-resolution snowpack monitoring and improved decisionmaking in critical river basins around the world.
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U.S. Geological Survey
1 Gifford Pinchot Dr
Madison, WI 53726
Impact-generated hydrothermal systems are considered potentially habitable environments on Mars, Earth, and other planetary bodies for microbial life. However, there is an ongoing debate regarding what geological features on Mars provide definitive evidence for such systems. Although earlier studies have modeled hydrothermal processes in Martian craters, they often lacked integration with shock physics hydrocodes to constrain initial impact conditions. The importance of this two-code coupling was demonstrated by successfully replicating alteration signatures in the Earth's Haughton impact structure. In this study, we use a similar two-code approach, combining the iSALE hydrocode with the HYDROTHERM hydrothermal model to simulate the full evolution of impact-generated hydrothermal systems. We apply this method to craters the size of Jezero (∼50 km) and Gale (∼154 km) in diameter. Although Jezero's interior is largely buried, our results align with hypothesized hydrothermal vents and alteration minerals near central uplifts in similarly sized exposed craters, such as Toro and Auki. Furthermore, our models correspond to alteration patterns observed by the Curiosity in the lower layers of Mount Sharp, which may represent remnants of impact-driven hydrothermal activity. A key finding is that these systems may persist much longer than previously estimated. Our simulations suggest that a Jezero-sized system could remain habitable for thermophiles for approximately 720,000 years, whereas a Gale-sized system could persist for nearly 2 million years. Additionally, simulations under unsaturated crustal conditions reveal that air-dominated near-surface layers can suppress vertical fluid flow, enabling deep subsurface alteration without producing detectable mineral signatures at the surface.
","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2024JE008896","usgsCitation":"Trowbridge, A.J., Marchi, S., Taron, J.M., and Osinski, G.R., 2025, Advancing current understanding of Martian impact-generated hydrothermal systems through novel coupled modeling: Insights from Gale, Jezero, and other craters: Journal of Geophysical Research - Planets, v. 130, no. 12, e2024JE008896, 28 p., https://doi.org/10.1029/2024JE008896.","productDescription":"e2024JE008896, 28 p.","ipdsId":"IP-174851","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":500613,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2024je008896","text":"Publisher Index Page"},{"id":500553,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Mars","volume":"130","issue":"12","noUsgsAuthors":false,"publicationDate":"2025-12-23","publicationStatus":"PW","contributors":{"authors":[{"text":"Trowbridge, Alexander J.","contributorId":367033,"corporation":false,"usgs":false,"family":"Trowbridge","given":"Alexander","middleInitial":"J.","affiliations":[{"id":87529,"text":"NASA Astrobiology Postdoctoral Program","active":true,"usgs":false}],"preferred":false,"id":956618,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Marchi, Simone","contributorId":367034,"corporation":false,"usgs":false,"family":"Marchi","given":"Simone","affiliations":[{"id":37298,"text":"Southwest Research Institute, Boulder, CO","active":true,"usgs":false}],"preferred":false,"id":956619,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Taron, Joshua M. 0000-0003-2719-3917","orcid":"https://orcid.org/0000-0003-2719-3917","contributorId":248769,"corporation":false,"usgs":true,"family":"Taron","given":"Joshua","email":"","middleInitial":"M.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":956620,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Osinski, Gordon R.","contributorId":367035,"corporation":false,"usgs":false,"family":"Osinski","given":"Gordon","middleInitial":"R.","affiliations":[{"id":87530,"text":"Dept. Earth Sciences, University of Western Ontario, London, ON, Canada","active":true,"usgs":false}],"preferred":false,"id":956621,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ]}