Time of travel of releases from Lake Wallenpaupack to the U.S. Geological Survey’s streamgage monitoring location on the Delaware River at Montague, New Jersey
Jaclynne Polcino, John J. Trainor, Jerilyn V. Collenburg
2025, Scientific Investigations Report 2025-5026
In 2016, the U.S. Geological Survey (USGS) carried out a hydraulic study within the upper Delaware River Basin for the purpose of determining the time of travel for water releases from the Brookfield Renewable U.S. hydroelectric plant at Lake Wallenpaupack, Pennsylvania, to reach the USGS streamgage located on the Delaware...
Spatial and seasonal water-quality patterns and temporal water-quality trends in Lake Conroe on the West Fork San Jacinto River near Conroe, Texas, 1974–2021
Alexandra C. Adams
2025, Scientific Investigations Report 2025-5015
The impoundment of Lake Conroe in 1973 created an important water resource for greater Houston, Texas. The U.S. Geological Survey, in cooperation with the San Jacinto River Authority, analyzed water-quality data collected from 1974 to 2021 at upreservoir, mid-reservoir, and downreservoir sites in Lake Conroe. Water-column and seasonal variability of...
Healing ogaa (walleye Sander vitreus) waters: Lessons and future directions for inland fisheries rehabilitation
Holly Susan Embke, Zachary S. Feiner, Gretchen Hansen, Joseph T. Mrnak, Christopher I. Rounds, Greg G. Sass, Stephanie L. Shaw, Aaron D. Shultz
2025, Reviews in Fisheries Science and Aquaculture (33) 579-597
ulturally, economically, and nutritionally valuable inland fisheries face many new challenges on top of chronic disturbances. In the upper midwestern United States, declines in cool- and coldwater fisheries have been observed, including ogaa/walleye Sander vitreus. In response to population declines, agencies have implemented rehabilitation efforts, and the frequency and intensity of...
Central Valley Hydrologic Model version 2 (CVHM2): Decision support tool for groundwater and land subsidence management
Kirk Nelson, Nigel Quinn, Jonathan A. Traum
2025, Water (17)
The San Joaquin Valley (SJV) of California is one of the world’s most productive agricultural regions. Reliance on groundwater has led to some of the greatest rates of human-induced land subsidence in the world in the 20th century, as well as more recently. The United States Geological Survey (USGS) has...
Integrating the bright and dark sides of aquatic resource subsidies – A synthesis
C. Twining, A. Blanco, C. Dutton, M. Kaintz, E. J. Harvey, Carmen Kowarik, Johanna M. Kraus, D. Martin-Creuzburg, T. Parmar, N.R. Razavi, N. Richoux, G. Saboret, C. Sarran, Travis S. Schmidt, J.R. Shipley, A.L. Subalusky
2025, Ecology Letters (28)
Aquatic and terrestrial ecosystems are linked through the reciprocal exchange of materials and organisms. Aquatic-to-terrestrial subsidies are relatively small in most terrestrial ecosystems, but they can provide high contents of limiting resources that increase consumer fitness and ecosystem production. However, they also may carry significant contaminant loads, particularly in anthropogenically...
Identifying gaps in regulatory prevention measures for nonindigenous aquatic species in the United States
Zoey Hendrickson, Charles M. Martin, Wesley Daniel
2025, Management of Biological Invasions (16) 313-339
Nonindigenous aquatic species (NAS) present in trade can become costly invaders once introduced and established in a new environment. Preventing NAS introduction is considered the most effective strategy to avoid potential negative ecological, economic, and human health impacts associated with certain species. The United States government enacts regulatory prevention measures...
Application of Hydrologic Simulation Program—FORTRAN (HSPF) as part of an integrated hydrologic model for the Salinas Valley, California
Joseph A. Hevesi, Wesley R. Henson, Randall T. Hanson, Elizabeth Rae Jachens, Sandra Bond, Marisa Melody Earll, Deidre Herbert
2025, Scientific Investigations Report 2025-5009
The U.S. Geological Survey (USGS), in cooperation with the Monterey County Water Resources Agency, conducted studies to help evaluate the surface-water and groundwater resources of the Salinas Valley study area, consisting of the entire Salinas River watershed and several smaller, adjacent coastal watersheds draining into Monterey Bay. The Salinas Valley...
Influence of local river hydraulics on Kootenai River white sturgeon (Acipenser transmontanus) habitat selection during four spawning years, 2017–2020
Taylor Dudunake, Megan Kearney Kenworthy, Troy Smith, Sarah Stephenson, Ryan S. Hardy
2025, Canadian Journal of Fisheries and Aquatic Sciences (82)
Understanding fine-scale habitat selection of endangered Kootenai River white sturgeon (Acipenser transmontanus) is an important component for monitoring and recovery efforts. Fine-scale habitat selection and quantifying temporal changes in suitable habitat contributes to the work of addressing recruitment failure within the Kootenai River population. Habitat suitability indices were developed using...
How quickly do brook trout lose long-term thermal acclimation?
Matthew J. O'Donnell, Amy M. Regish, S.D. McCormick, Benjamin Letcher
2025, Journal of Thermal Biology (129)
Abundances of coldwater adapted stream fish populations are declining largely due to anthropogenic influences, including increased temperature. To persist in streams with unsuitable thermal habitat, fish must move to coldwater patches, acclimate, or adapt to water temperatures above thermal optima. Brook trout, a coldwater adapted salmonid, has previously displayed physiological...
Sediment nutrient dynamics in selected Milwaukee metropolitan area streams, Wisconsin, 2022
Rebecca M. Kreiling, Lynn A. Bartsch, Kenna J. Gierke, Patrik Mathis Perner, Faith A. Fitzpatrick, Hayley T. Olds
2025, Scientific Investigations Report 2025-5012
The U.S. Geological Survey and Milwaukee Metropolitan Sewerage District in Wisconsin have an ongoing partnership to monitor water quality in streams in the Milwaukee metropolitan area and to assess the effects of stream restoration on habitat and water quality. Because sediment nutrient dynamics can improve or further impair water quality,...
A synthesis of freshwater forested wetland soil organic carbon storage
Yadav Sapkota, Jacob F. Berkowitz, Camille Stagg, Ryan R. Busby
2025, Frontiers in Forests and Global Change (8)
Freshwater forested wetlands account for ~76% (918 M ha) of the total global wetland extent. However, freshwater forested wetlands are difficult to distinguish from upland forest due to canopy coverage, the abundance of wetland-nonwetland mosaics, seasonal hydropatterns, and fewer readily observable connections to large surface water bodies relative to marshes and other...
Environmental conditions influencing the abundance of the salmonid ectoparasite Salmincola californiensis across upper Willamette River Reservoirs, Oregon
Kelsi Antonelli, Christina Amy Murphy, Amanda M.M. Pollock, Ivan Arismendi
2025, Aquatic Biology (13)
The freshwater copepod Salmincola californiensis is an ectoparasite of Pacific salmon and trout (Oncorhynchus spp.). High levels of infection by this parasite can significantly damage gills and result in blood loss, affecting the fitness and survival of hosts, and it may hinder recovery efforts of threatened and endangered salmonids. Juvenile...
Estimating indicators of cyanobacterial harmful algal blooms in New York State
Philip Savoy, Rebecca Michelle Gorney, Jennifer L. Graham
2025, Ecological Indicators (173)
Cyanobacteria harmful algal blooms (cyanoHABs) are a global concern for aquatic ecosystem and human health. Limited funding for monitoring programs and inconsistent determination of cyanoHAB occurrence present challenges for identifying commonly effective variables for characterizing cyanoHABs and the development of generalized models. We compiled a combination of water quality measurements,...
Neural network-based temporal ensembling of water depth estimates derived from SuperDove Images
Milad Niroumand-Jadidi, Carl J. Legleiter, Francesca Bovolo
2025, Remote Sensing (17)
CubeSats provide a wealth of high-frequency observations at a meter-scale spatial resolution. However, most current methods of inferring water depth from satellite data consider only a single image. This approach is sensitive to the radiometric quality of the data acquired at that particular instant in time, which could be degraded...
Uncertainty quantification of geophysical and hydrologic parameters estimated from borehole nuclear magnetic resonance data
Burke J. Minsley, Stephanie N. Phillips, Stephanie R. James
2025, JGR Machine Learning and Computation (2)
Borehole nuclear magnetic resonance (bNMR) data are typically used to infer in situ hydrologic properties. Partial water content as a function of pore size is estimated by fitting the measured NMR response to a multi-exponential T2 distribution, and the sum of estimated T2 amplitudes equals the total volumetric water content. From these estimated parameters,...
The North American greenhouse gas budget: Emissions, removals, and integration for CO2, CH4, and N2O (2010–2019): Results From the Second REgional Carbon Cycle Assessment and Processes Study (RECCAP2)
Benjamin Poulter, Guillermo Murray-Tortarolo, Daniel J. Hayes, Philippe Ciais, Robbie M. Andrew, Ana Bastos, Brendan Byrne, David Butman, Josep G. Canadell, Abhishek Chatterjee, Grant Domke, Andrew F. Feldman, Kelsey Foster, Neha Hunka, Robert B. Jackson, Werner A. kurz, Ayia Lindquist, Maodian Liu, Ingrid Luijkx, Arnaud Mialon, Anna M. Michalak, John Miller, Wolfgang A. Obermeier, Naiqin Pan, James T. Randerson, Peter A. Raymond, Pierre Regnier, Laure Resplandy, Gerard Rocher-Ros, Nemesio Rodriquez-Fernandez, Judith A. Rosentreter, Julio Cesar Salazar-Neira, Suzanne E. Tank, Hanqin Tan, Rodrigo Vargas, Yohanna Villalobos, Jonathan A. Wang, Xinyuan Wei, Kimberly Wickland, Christopher J. Williams , Lisamarie Windham-Myers, Christopher W. Woodall, Qing Ying, Zhen Zhang
2025, Global Biogeochemical Cycles (39)
Accurate accounting of greenhouse-gas (GHG) emissions and removals is central to tracking progress toward climate mitigation and for monitoring potential climate-change feedbacks. GHG budgeting and reporting can follow either the Intergovernmental Panel on Climate Change methodologies for National Greenhouse Gas Inventory (NGHGI) reporting or use atmospheric-based “top-down” (TD) inversions or...
Salinas Valley integrated hydrologic and reservoir operations models, Monterey and San Luis Obispo Counties, California
Wesley R. Henson, Randy Hanson, Scott E. Boyce, Joseph A. Hevesi, Elizabeth Rae Jachens
2025, Preprint
The area surrounding the Salinas Valley groundwater basin in Monterey and San Luis Obispo Counties of California is a highly productive agricultural area, contributes significantly to the local economy, and provides a substantial portion of vegetables and other agricultural commodities to the Nation. This region of California provides about half...
Streamflow response to glacier mass loss varies with basin precipitation across Alaska
Janet H. Curran, Brianna Rick, Jeremy Littell, Louis C. Sass
2025, Water Resources Research (61)
Diminishing glaciers affect streamflow, and given the extent of glaciers in Alaska and adjacent Canada, continued glacier mass loss is likely to have profound effects on ecosystems sensitive to runoff. The effects of glacier mass loss on streamflow are likely to vary across the wide ranges of basin size, glacier...
Pediment formation and subsequent erosion in Gale crater: Clues to the climate history of Mars
A.B. Bryk, W.E. Dietrich, Kristen A. Bennett, V.K. Fox, C.M. Fedo, M.P. Lamb, E.S. Kite, L.M. Thompson, S. G. Banham, J. Schieber, J.A. Grant, A.R. Vasavada, A.A. Fraeman, Lauren A. Edgar, P. J. Gasda, R.C. Wiens, J.P. Grotzinger, K. Stack-Morgan, R.E. Arvidson, O. Gasnault, S. Le Mouelic, S. Gupta, R.M.E. Williams, R.Y. Sheppard, K.W. Lewis, D.M. Rubin, W. Rapin, M.N. Hughes, M. Turner, S.A. Wilson, J.M. Davis, R.E. Kronyak, L. Le Deit, L.C. Kah, J. Frydenvang, R.J. Sullivan, C.C. Bedford, E. Dehouck, H.E. Newsom, M.C. Malin
2025, Icarus (430)
Evidence of paleo-rivers, fans, deltas, lakes, and channel networks across Mars has prompted much debate about what climate conditions would permit the formation of these surface water derived features. Pediments, gently sloping erosional surfaces of low relief developed in bedrock, have also been identified on Mars. On Earth, these erosional...
Multiyear crop residue cover mapping using narrow-band vs. broad-band shortwave infrared satellite imagery
Brian T. Lamb, W. Dean Hively, Jyoti Jennewein, Alison Thieme, Alexander M. Soroka, Leticia Santos, Daniela Jones, Steven Mirsky
2025, Soil and Tillage Research (251)
Crop residue serves an important role in agricultural systems as high levels of fractional crop residue cover (fR) can reduce erosion, preserve soil moisture, and build soil organic carbon. However, the ability to accurately quantify fR at scale has been limited. In this study we produced annual maps of fR for farmland in Maryland,...
Acute Toxicity of 4-hydroxydiphenylamine (4-HDPA) and N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine-quinone (6PPDQ), transformation products of 6PPD, to early instars of the mayfly, Neocloeon triangulifer
David J. Soucek, Rebecca A. Dorman, Jeffery A. Steevens, Viviane Yargeau, Marco Pineda, Erin Bennett, Chris Metcalfe
2025, Environmental Toxicology & Chemistry (44) 1369-1377
Our analysis of water samples collected during a rain event from two urban rivers in the Greater Toronto area, Ontario, Canada, indicated that selected transformation products (TPs) of the tire antioxidant, N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine (6PPD), including 6PPD-quinone (6PPDQ) and 4-hydroxydiphenylamine (4-HDPA), were present at concentrations >1 µg/L. In acute (96-hr) toxicity tests with...
Nature-based solutions could offset coastal squeeze of tidal wetlands from sea-level rise on the U.S. Pacific coast
Karen M. Thorne, Kevin Buffington, Michael Osland, Bogdan Chivoiu, James Grace, Nicholas Enwright, Glenn R. Guntenspergen
2025, Scientific Reports (15)
In this study, we explored the opportunities for tidal wetland landward migration in response to sea-level rise on the Pacific Coast of the United States. By employing a systematic spatial approach, we quantified the available space for wetland migration with sea-level rise across 61 estuarine drainage areas. Although many of...
Assessing the effect of coral reef restoration location on coastal flood hazard along the San Juan Coastline, Puerto Rico
Ramin Familkhalili, Curt D. Storlazzi, Michael Nemeth, Shay Viehman
2025, Frontiers in Marine Science (12)
Coastal resilience has become a pressing global issue due to the growing vulnerability of coastlines to the effects of climate change. Nature-based solutions have emerged as a promising approach to coastal protection to not only enhance coastal resilience, but also restore critical ecosystems. Coral reef restoration has the potential to...
Are we heading towards a global decrease in coregonine catches?
Orlane Anneville, Benjamin Alric, Chun-Wei Chang, Jan Baer, Fabien Bourinet, Alexander Brinker, David Bunnell, Chloe Goulon, Kerstin Holmgren, Chih-hao Hsieh, Yamin Janjua, Yu-Chun Kao, Kulli Kangur, Alfred Sandstrom, Eugene A. Silow, Xinhua Zhu
2025, International Journal of Limnology (61)
Coregonines have specific ecological needs, making them potentially very vulnerable to changes in lake conditions. A contemporary concern is that many lakes worldwide are experiencing environmental changes due to anthropogenic pressure and climate warming. Here, we compiled long-term data of coregonine catches from 27 lakes from three continents in the...
Pathways for potential exposure to onshore oil and gas wastewater: What we need to know to protect human health
Ayusha Ariana, Isabelle M. Cozzarelli, Cloelle Danforth, Bonnie McDevitt, Anna Rosofsky, Donna Vorhees
2025, Environmental Health Perspectives (9)
Produced water is a chemically complex waste stream generated during oil and gas development. Roughly four trillion liters were generated onshore in the United States in 2021 (ALL Consulting, 2022, https://www.gwpc.org/wp-content/uploads/2021/09/2021_Produced_Water_Volumes.pdf). Efforts are underway to expand historic uses of produced water to offset freshwater needs in water-stressed regions,...
