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Browse more than 160,000 publications authored by our scientists over the past 100+ year history of the USGS.  Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.

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We are focused on some of the most significant issues society faces, and our science is making a substantial contribution to the well-being of the Nation and the world. Learn more about the major topics our research covers and the programs focused on those topics.

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Filter Total Items: 175531

Multiyear crop residue cover mapping using narrow-band vs. broad-band shortwave infrared satellite imagery Multiyear crop residue cover mapping using narrow-band vs. broad-band shortwave infrared satellite imagery

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, USA using WorldView-3 (WV3) imagery paired with on-farm
Authors
Brian T. Lamb, W. Dean Hively, Jyoti Jennewein, Alison Thieme, Alexander M. Soroka, Leticia Santos, Daniela Jones, Steven Mirsky
By
Maryland-Delaware-D.C. Water Science Center, Lower Mississippi-Gulf Water Science Center

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 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

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)...
Authors
David J. Soucek, Rebecca A. Dorman, Jeffery A. Steevens, Viviane Yargeau, Marco Pineda, Erin Bennett, Chris Metcalfe
By
Ecosystems Mission Area, Columbia Environmental Research Center

Living with uncertainty: Using multi-model large ensembles to assess emperor penguin extinction risk for the IUCN Red List Living with uncertainty: Using multi-model large ensembles to assess emperor penguin extinction risk for the IUCN Red List

Improved methods for identifying species at risk are needed to strengthen climate change vulnerability assessments, as current estimates indicate that up to one million species face extinction due to environmental changes. Integrating multiple sources of uncertainty enhances the robustness of Red List of Threatened Species assessments, providing a more comprehensive understanding of...
Authors
Stephanie Jenouvrier, Alice Eparvier, Bilgecan Sen, Francesco Ventura, Christian Joseph Che-Castaldo, Marika Holland, Laura Landrum, Kristen Krumhardt, Jimmy Garnier, Karine Delord, Christophe Barbraud, Philip Trathan
By
Cooperative Research Units

Nature-based solutions could offset coastal squeeze of tidal wetlands from sea-level rise on the U.S. Pacific coast Nature-based solutions could offset coastal squeeze of tidal wetlands from sea-level rise on the U.S. Pacific coast

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 the existing tidal wetlands are small patches, our analyses...
Authors
Karen M. Thorne, Kevin J. Buffington, Michael Osland, Bogdan Chivoiu, James Grace, Nicholas Enwright, Glenn R. Guntenspergen
By
Ecosystems Mission Area, Western Ecological Research Center (WERC)

Assessing the effect of coral reef restoration location on coastal flood hazard along the San Juan Coastline, Puerto Rico Assessing the effect of coral reef restoration location on coastal flood hazard along the San Juan Coastline, Puerto Rico

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 provide ecosystem services benefits; however, there...
Authors
Ramin Familkhalili, Curt D. Storlazzi, Michael Nemeth, Shay Viehman
By
Coastal and Marine Hazards and Resources Program, Pacific Coastal and Marine Science Center

Looking for Lazarus: Environmental DNA (eDNA) surveillance of the federally threatened Slender Chub (Erimystax cahini) in the Clinch and Powell Rivers Looking for Lazarus: Environmental DNA (eDNA) surveillance of the federally threatened Slender Chub (Erimystax cahini) in the Clinch and Powell Rivers

Erimystax cahni (Slender Chub) is a federally threatened fish native to the Powell, Clinch, and lower Holston rivers of Tennessee and Virginia. No individuals have been captured or reported for over 2 decades. We developed a species-specific environmental DNA (eDNA) assay to survey for its presence throughout its native distribution in new and historical sites. We detected Slender Chub...
Authors
R.T. Paine, Mark W. Rogers, Amanda E. Rosenberger
By
Cooperative Research Units
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