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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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Filter Total Items: 171654

Peak streamflow trends and their relation to changes in climate in Illinois, Iowa, Michigan, Minnesota, Missouri, Montana, North Dakota, South Dakota, and Wisconsin

Flood-frequency analysis, also called peak-flow frequency or flood-flow frequency analysis, is essential to water resources management applications including critical structure design and floodplain mapping. Federal guidelines for doing flood-frequency analyses are presented in a U.S. Geological Survey Techniques and Methods report known as Bulletin 17C. A basic assumption within Bulletin 17C is t
By
Dakota Water Science Center

Introduction and methods of analysis for peak streamflow trends and their relation to changes in climate in Illinois, Iowa, Michigan, Minnesota, Missouri, Montana, North Dakota, South Dakota, and Wisconsin

Flood-frequency analysis, also called peak-flow frequency or flood-flow frequency analysis, is essential to water resources management applications including critical structure design and floodplain mapping. Federal guidelines for doing flood-frequency analyses are presented in a U.S. Geological Survey Techniques and Methods Report known as Bulletin 17C. A basic assumption within Bulletin 17C is t
Authors
Karen R. Ryberg, Thomas M. Over, Sara B. Levin, David C. Heimann, Nancy A. Barth, Mackenzie K. Marti, Padraic S. O'Shea, Christopher A. Sanocki, Tara J. Williams-Sether, Harper N. Wavra, T. Roy Sando, Steven K. Sando, Milan S. Liu
By
Water Resources Mission Area, Central Midwest Water Science Center, Upper Midwest Environmental Sciences Center, Upper Midwest Water Science Center, Dakota Water Science Center

Nutrient and carbonate chemistry patterns associated with Karenia brevis blooms in three West Florida Shelf estuaries 2020-2023

Ocean acidification (OA) driven by eutrophication, riverine discharge, and other threats from local population growth that affect the inorganic carbonate system is already affecting the eastern Gulf of Mexico. Long-term declines in pH of ~ -0.001 pH units yr-1 have been observed in many southwest Florida estuaries over the past few decades. Coastal and estuarine waters of southwest Florida experie
Authors
Emily R. Hall, Kimberly Yates, Katherine A. Hubbard, Matt Garrett, Jessica Frankle
By
St. Petersburg Coastal and Marine Science Center

Sources of bias in applying close-kin mark–recapture to terrestrial game species with different life histories

Close-kin mark–recapture (CKMR) is a method analogous to traditional mark–recapture but without requiring recapture of individuals. Instead, multilocus genotypes (genetic marks) are used to identify related individuals in one or more sampling occasions, which enables the opportunistic use of samples from harvested wildlife. To apply the method accurately, it is important to build appropriate CKMR
Authors
Anthony Sévêque, Robert Charles Lonsinger, Lisette P Waits, Kristin E. Brzeski, Lisa M Komoroske, Caitlin N. Ott-Conn, Sarah L. Mayhew, D. Cody Norton, Tyler R. Petroelje, John D. Swenson, Dana J. Morin
By
Cooperative Research Units

U.S. Geological Survey Grand Canyon Monitoring and Research Center: Proceedings of the fiscal year 2023 annual reporting meeting to the Glen Canyon Dam Adaptive Management Program

This proceedings is prepared for the USBR and Glen Canyon Dam Adaptive Management Program (GCDAMP) to account for work conducted and products delivered in FY 2023 by SBSC's Grand Canyon Monitoring and Research Center (GCMRC) and to inform the Technical Work Group of science conducted by GCMRC and its cooperators in support of the GCDAMP. It includes a summary of accomplishments, modifications to w
Authors
Andrew Alan Schultz, Gregory Mark Anderson, David Topping, Ronald E. Griffiths, David Dean, Paul Grams, Keith Kohl, Gerard Lewis Salter, Matthew A. Kaplinski, Katherine Chapman, Erich R. Mueller, Emily C. Palmquist, Bradley J. Butterfield, Joel B. Sankey, Bridget Deemer, Charles Yackulic, Lindsay Erika Hansen, Drew Elliot Eppehimer, Theodore Kennedy, Anya Metcalfe, Jeffrey Muehlbauer, Morgan Ford, Michael Dodrill, Maria C. Dzul, Pilar Rinker, Michael J. Pillow, David Ward, Josh Korman, Molly A.H. Webb, James A. Crossman, Eric J Frye, David L. Rogowski, Kimberley Dibble, Lucas Bair, Joshua Abbott, Thomas Gushue, Erica Paige Byerley, Joseph E Thomas, Thomas A. Sabol, Bryce Anthony Mihalevich
By
Ecosystems Mission Area, Southwest Biological Science Center

Demography with drones: Detecting growth and survival of shrubs with unoccupied aerial systems

Large-scale disturbances, such as megafires, motivate restoration at equally large extents. Measuring the survival and growth of individual plants plays a key role in current efforts to monitor restoration success. However, the scale of modern restoration (e.g., >10,000 ha) challenges measurements of demographic rates with field data. In this study, we demonstrate how unoccupied aerial system (UAS

Authors
Peter J. Olsoy, Andrii Zaiats, Donna M. Delparte, Matthew Germino, Bryce Richardson, Anna V. Roser, Jennifer S. Forbey, Megan E Cattau, Trevor Caughlin
By
Ecosystems Mission Area, Land Management Research Program, Forest and Rangeland Ecosystem Science Center

Seasonal differences in larval sea lamprey (Petromyzon marinus) sensitivity to the pesticide TFM

Invasive sea lamprey (Petromyzon marinus) are controlled in the Great Lakes with 4-nitro-3-(trifluoromethyl) phenol (commonly 3-trifluoromethyl-4-nitrophenol or TFM). The proper concentration of TFM must be applied during treatments to effectively kill larval sea lamprey while minimizing impacts to non-target species. In this study, bioassay tests were conducted in May, July, and September over tw
Authors
Justin Schueller, Michael A. Boogaard, Courtney A Kirkeeng, Nicholas A. Schloesser, Samantha L. Wolfe, Avery J. Lettenberger, Tisha King-Heiden, James A. Luoma
By
Ecosystems Mission Area, Upper Midwest Environmental Sciences Center

The addition of 144Nd atomic mass to routine ICP-MS analysis as a Quick Screening Tool for Approximating Rare Earth Elements (Q-STAR) in natural waters

Rare earth elements (REEs) are a class of critical minerals, all of which can have supply chain vulnerability that impacts economic security. These elements are widely measured in environmental matrices via inductively coupled plasma mass spectrometry (ICP-MS); however, successful quantification can require time-consuming, sample-specific optimization. While a sample-by-sample approach is appropri

Authors
Elizabeth J. Tomaszewski, Zhouming Sun, Anthony J. Bednar
By
Ecosystems Mission Area, Mineral Resources Program, Geology, Energy & Minerals Science Center, Northern Rocky Mountain Science Center

Male lake char release taurocholic acid as part of a mating pheromone

The evolutionary origins of sexual preferences for chemical signals remain poorly understood, due, in part, to scant information on the molecules involved. In the current study, we identified a male pheromone in lake char (Salvelinus namaycush) to evaluate the hypothesis that it exploits a non-sexual preference for juvenile odour. In anadromous char species, the odour of stream-resident juveniles
Authors
Tyler J. Buchinger, Ke Li, Ugo Bussy, Belinda Huerta, Sonam Tamrakar, Nicholas S. Johnson, Weiming Li
By
Ecosystems Mission Area, Great Lakes Science Center

Seasonal differences in larval sea lamprey (Petromyzon marinus) sensitivity to the pesticide TFM

Invasive sea lamprey (Petromyzon marinus) are controlled in the Great Lakes with 4-nitro-3-(trifluoromethyl)phenol (commonly 3-trifluoromethyl-4-nitrophenol or TFM). The proper amount of TFM must be applied during treatments to effectively kill larval sea lamprey while minimizing impacts to non-target species. In this study, bioassay tests were conducted in May, July, and September in a portable t
Authors
Justin Schueller, Michael A. Boogaard, Courtney A Kirkeeng, Nicholas A. Schloesser, Samantha L. Wolfe, Avery J. Lettenberger, Tisha King-Heiden, James A. Luoma
By
Ecosystems Mission Area, Upper Midwest Environmental Sciences Center

Seasonal and breeding phenologies of 38 grassland bird species in the midcontinent of North America

Grasslands in the midcontinent of North America are highly imperiled, and grassland birds have suffered the largest bird declines of any terrestrial biome in North America in the last 50 years. Consequently, the conservation and management of grasslands, as well as their associated avian communities, are major priorities for the State, Provincial, and Federal agencies; non-governmental organizatio
Authors
Garrett J. MacDonald, Michael J. Anteau, Kristen S. Ellis, Lawrence D. Igl, Neal D. Niemuth, Josh L. Vest
By
Ecosystems Mission Area, Northern Prairie Wildlife Research Center

Satellite Interferometry Landslide Detection and Preliminary Tsunamigenic Plausibility Assessment in Prince William Sound, Southcentral Alaska

Regional mapping of actively deforming landslides, including measurements of landslide velocity, is integral for hazard assessments in paraglacial environments. These inventories are also critical for describing the potential impacts that the warming effects of climate change have on slope instability in mountainous and cryospheric terrain. The objective of this study is to identify slow-moving la

Authors
Lauren N. Schaefer, Jinwook Kim, Dennis M. Staley, Zhong Lu, Katherine R. Barnhart
By
Natural Hazards Mission Area, Landslide Hazards Program, Volcano Hazards Program, Geologic Hazards Science Center, Volcano Science Center
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