Predicting hydrologic disturbance of streams using species occurrence data
J.T. Fox, Daniel D. Magoulick
2019, Science of the Total Environment (686) 254-263
Aquatic organisms have adapted over evolutionary time-scales to hydrologic variability represented by the natural flow regime of rivers and streams in their unimpaired state. Rapid landscape change coupled with growing human demand for water have altered natural flow regimes of many rivers and streams...
Vertical coseismic offsets from differential high-resolution stereogrammetric DSMs: The 2013 Baluchistan, Pakistan earthquake
William D. Barnhart, Ryan D. Gold, Hannah N. Shea, Katherine E. Peterson, Richard W. Briggs, David J. Harbor
2019, Journal of Geophysical Research B: Solid Earth (124) 6039-6055
The recent proliferation of high-resolution (< 3-m spatial resolution) digital topography datasets opens a spectrum of geodetic applications in differential topography, including the quantification of coseismic vertical displacement fields. Most investigations of coseismic vertical displacements to date rely, in part, on pre- or post-event lidar surveys that are intractable or...
Effect of hydrologic, geomorphic, and vegetative conditions on avian communities in the Middle Rio Grande of New Mexico
S. W. Hamilton, Sammy L. King, G. Dello Russo
2019, Wetlands (39) 1029-1042
We evaluated relationships among hydrogeomorphology, vegetation structure and composition, and avian communities among three subreaches of the San Acacia Reach of the Middle Rio Grande (MRG) River of New Mexico. The subreaches varied in degradation, with Subreach 1 being severely entrenched and hydrologically disconnected, Subreach 2 being the least impacted,...
Global phylodynamic analysis of avian paramyxovirus-1 provides evidence of inter-host transmission and intercontinental spatial diffusion
Joseph T. Hicks, Kiril M. Dimitrov, Claudio L. Afonso, Andrew M. Ramey, Justin Bahl
2019, BMC Evolutionary Biology (19)
BackgroundAvian avulavirus (commonly known as avian paramyxovirus-1 or APMV-1) can cause disease of varying severity in both domestic and wild birds. Understanding how viruses move among hosts and geography would be useful for informing prevention and control efforts. A Bayesian statistical framework was employed to...
Toward explaining nitrogen and phosphorus trends in Chesapeake Bay tributaries, 1992-2012
Scott Ator, Ana M. Garcia, Gregory E. Schwarz, Joel Blomquist, Andrew J. Sekellick
2019, Journal of the American Water Resources Association (55) 1149-1168
Understanding trends in stream chemistry is critical to watershed management, and often complicated by multiple contaminant sources and landscape conditions changing over varying time scales. We adapted spatially-referenced regression (SPARROW) to infer causes of recent nutrient trends in Chesapeake Bay tributaries by relating observed fluxes during 1992, 2002, and 2012...
A global synthesis of lava lake dynamics
Einat Lev, Philipp Ruprecht, Clive Oppenheimer, Nial Peters, Matthew R. Patrick, Pedro Hernandez, Letizia Spampinato, Jeffrey J. Marlow
2019, Journal of Volcanology and Geothermal Research (381) 16-31
Active lava lakes represent a variety of open-vent volcanism in which a sizeable body of lava accumulates at the top of the magma column, constrained by the vent and/or crater geometry. The longevity of lava lakes reflects a balancing of cooling and outgassing occurring at the surface by input of...
Comparison of a simple hydrostatic and a data-intensive 3D numerical modeling method of simulating sea-level rise induced groundwater inundation for Honolulu, Hawai'i, USA
Shellie Habel, Charles H. Fletcher, Kolja Rotzoll, Aly I. El-Kadi, Delwyn S. Oki
2019, Environmental Research Letters (1)
Groundwater inundation (GWI) is a particularly challenging consequence of sea-level rise (SLR), as it progressively inundates infrastructure located above and below the ground surface. Paths of flooding by GWI differ from other types of SLR flooding (i.e., wave overwash, storm-drain backflow) such that it is more difficult to mitigate, and...
Planning for ecological drought: Integrating ecosystem services and vulnerability assessment
Nejem Raheem, Amanda E. Cravens, Molly S. Cross, Shelley D. Crausbay, Aaron R. Ramirez, Jamie McEvoy, Dionne Zoanni, Deborah J. Bathke, Michael Hayes, Shawn Carter, Madeleine Rubenstein, Ann Schwend, Kimberly R. Hall, Paul Suberu
2019, WIREs Water (6)
As research recognizes the importance of ecological impacts of drought to natural and human communities, drought planning processes need to better incorporate ecological impacts. Drought planning currently recognizes the vulnerability of some ecological impacts from drought (e.g., loss of instream flow affecting fish populations). However, planning often does not identify...
Drilling, construction, water chemistry, water levels, and regional potentiometric surface of the upper carbonate-rock aquifer in Clark County, Nevada, 2009–2015
Jon W. Wilson
2019, Scientific Investigations Map 3434
The U.S. Geological Survey (USGS) and the Bureau of Land Management (BLM) initiated a cooperative study through the Southern Nevada Public Land Management Act (Bureau of Land Management, 1998) to install six wells in the carbonate-rock and basin-fill aquifers of Clark County, Nevada, in areas of sparse groundwater data. This...
A comparison of riparian vegetation sampling methods along a large, regulated river
Emily C. Palmquist, Sarah Sterner, Barbara Ralston
2019, River Research and Applications (35) 759-767
Monitoring riparian vegetation cover and species richness is an important component of assessing change and understanding ecosystem processes. Vegetation sampling methods determined to be the best option in other ecosystems (e.g., desert grasslands and arctic tundra) may not be the best option in multilayered, species rich,...
Evidence of Culiseta mosquitoes as vectors for Plasmodium parasites in Alaska
Matthew M. Smith, Caroline R. Van Hemert, Colleen M. Handel
2019, Journal of Vector Ecology (44) 68-75
Mosquito vectors play a crucial role in the distribution of avian Plasmodium parasites worldwide. At northern latitudes, where climate warming is most pronounced, there are questions about possible changes in the abundance and distribution of Plasmodium parasites, their vectors, and their impacts to avian hosts. To better understand the transmission of Plasmodium among...
San Francisco Bay triennial bird egg monitoring program for contaminants, California—2018
Joshua T. Ackerman, C. Alex Hartman, Mark P. Herzog, Matthew Toney
2019, Data Series 1114
The Regional Monitoring Program for Water Quality in San Francisco Bay (RMP), administered by the San Francisco Estuary Institute, is a large-scale effort to monitor contaminant trends in water, sediment, fish, and birds throughout San Francisco Bay (San Francisco Estuary Institute, 2016). As part of the RMP and the U.S. Geological Survey (USGS) long-term Wildlife Contaminants...
Dam effects on bedload transport on the upper Santa Ana River, California, and implications for native fish habitat
Scott Wright, J Toby Minear
2019, River Research and Applications 1-14
Dams disrupt the flow of water and sediment and thus have the potential to affect the downstream geomorphic characteristics of a river. Though there are some well‐known and common geomorphic responses to dams, such as bed armouring, the response downstream from any particular dam is dependent...
Turbidity current observations in a large reservoir following a major wildfire
Scott Wright, Mathieu D. Marineau
2019, Journal of Hydrologic Engineering (145)
Turbidity currents are generated when denser river water plunges and flows along the bottom of a lake, reservoir, or ocean. The plunging and downstream movement are driven by density differences due to temperature and/or suspended sediment, and currents have been observed to move slowly over long distances....
Evaluating the mid-infrared bi-spectral index for improved assessment of low-severity fire effects in a conifer forest
R McCarley, A.M.S Smith, C.A. Kolden, Jason R. Kreitler
2019, International Journal of Wildland Fire (27) 407-412
Remote sensing products provide a vital understanding of wildfire effects across a landscape, but detection and delineation of low- and mixed-severity fire remains difficult. While data provided by the Monitoring Trends in Burn Severity project (MTBS) are frequently used to assess severity in the United States, alternative indices can offer...
Climate adaptation Science Centers—Annual report for 2018
Elda Varela Minder
2019, Open-File Report 2019-1041
2018 marked the 10-year anniversary of the establishment of the U.S. Geological Survey (USGS) National Climate Change and Wildlife Science Center! With the passage of the fiscal year 2018 budget on March 23, 2018, our program name was changed from the National Climate Change and Wildlife Science Center to the...
Seasonal development of the coccidian parasite Goussia bayae and hepatobiliary histopathology in white perch Morone americana from Chesapeake Bay
Mark A Matsche, Vicki S. Blazer, Patricia M. Mazik
2019, Diseases of Aquatic Organisms (134) 113-135
The coccidium Goussia bayae infects the gallbladder and bile ducts of white perch Morone americana from Chesapeake Bay, USA. Seasonal changes in coccidian infections were analyzed from bile specimens of 1588 fish from the Choptank River during 2016-2018 using wet mount preparations with a Sedgwick-Rafter counting chamber. Histopathology of the gallbladder and liver...
Prototype downscaling algorithm for MODIS Satellite 1 km daytime active fire detections
Sanath S. Kumar, Joshua J. Picotte, Birgit Peterson
2019, Fire (2)
This work presents development of an algorithm to reduce the spatial uncertainty of active fire locations within the 1 km MODerate resolution Imaging Spectroradiometer (MODIS Aqua and Terra) daytime detection footprint. The algorithm is developed using the finer 500 m reflective bands by leveraging on the increase in 2.13...
Atrazine induced transgenerational reproductive effects in medaka (Oryzias latipes)
Jacob A. Cleary, Donald E. Tillitt, Fredrick S. vom Saal, Diane Nicks, Rachel Claunch, Ramji K. Bhandari
2019, Environmental Pollution (251) 639-650
Atrazine is presently one of the most abundantly used herbicides in the United States, and a common contaminant of natural water bodies and drinking waters in high-use areas. Dysregulation of reproductive processes has been demonstrated in atrazine exposed fish, including alteration of key endocrine...
Mapping cropland extent of Southeast and Northeast Asia using multi-year time-series Landsat 30-m data using Random Forest classifier on Google Earth Engine
Adam Oliphant, Prasad S. Thenkabail, Pardhasaradhi Teluguntla, Jun Xiong, Murali Krishna Gumma, Russell G. Congalton, Kamini Yadav
2019, International Journal of Applied Earth Observation and Geoinformation (81) 110-124
Cropland extent maps are useful components for assessing food security. Ideally, such products are a useful addition to countrywide agricultural statistics since they are not politically biased and can be used to calculate cropland area for any spatial unit from an individual...
Winter and spring diet of the orangebelly darter, Etheostoma radiosum, among tributaries of the Lower Mountain Fork River
M. L. Reed, W. W. Hoback, James M. Long
2019, Southwestern Naturalist (63) 146-148
Little is known about prey use by the orangebelly darter, Etheostoma radiosum, and what is known has been described from relatively large river systems. We examined prey use by orangebelly darters from first- and second-order tributaries in the Lower Mountain Fork River of southeastern Oklahoma. Adult darters (n = 141) were captured...
The importance of groundwater flow to the formation of modern thrombolitic microbialites
John G. Warden, Lee Coshell, Michael R. Rosen, Daniel O. Breecker, Katinka X. Ruthrof, Christopher R. Omelon
2019, Geobiology
Modern microbialites are often located within groundwater discharge zones, yet the role of groundwater in microbialite accretion has yet to be resolved. To understand relationships between groundwater, microbialites, and associated microbial communities, we quantified and characterized groundwater flow and chemistry in active thrombolitic microbialites in Lake...
Jack Boatwright’s last science
Annemarie S. Baltay Sundstrom, Thomas C. Hanks
2019, Seismological Research Letters (90) 1444-1445
In the months before he passed away, Jack Boatwright asked us to review a manuscript on source properties, specifically stress drop, of earthquakes in northeastern North America (NENA). This manuscript originated in research funded by the U.S. Nuclear Regulatory Commission (NRC), described in his final report to NRC and published...
Groundwater quality in the Delaware, Genesee, and St. Lawrence River Basins, New York, 2015
Tia-Marie Scott, Elizabeth A. Nystrom, James E. Reddy
2019, Open-File Report 2019-1005
The U.S. Geological Survey, in cooperation with the New York State Department of Environmental Conservation, collected groundwater samples from 5 production wells and 5 domestic wells in the Delaware River Basin, 8 production wells and 7 domestic wells in the Genesee River Basin, and 1 municipal well, 7 production wells,...
Measurement of nutrients in saline and hypersaline waters by discrete analyzer colorimetry without matrix matched calibration standards
Sarah Stetson, Charles Patton, Nicole Lynn Guaglione, Zachary Chestnut
2019, Talanta (203) 297-304
Automated, colorimetric analysis of nutrients in samples with high and variable salinity can be time consuming due to the need to matrix match calibration and reference solution matrices with those of samples—particularly when using flow-based analyzers that are prone to detector artifacts caused by optical inhomogeneities, “schlieren”, that form at...
