Publications
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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Wildland fire effects on sediment, salinity, and selenium yields in a basin underlain by Cretaceous marine shales near Rangely, Colorado
Understanding and quantifying soil erosion from rangelands is a high priority for land managers, especially in areas underlain by Cretaceous Mancos Shale, which is a natural source of sediment, salinity, and selenium to surface waters in many areas of western Colorado and eastern Utah. The purpose of this report is to present the results of a U.S. Geological Survey study that assessed sediment, sa
Authors
Natalie K. Day, Todd M. Preston, Patrick C. Longley
Monitoring and simulation of hydrology, suspended sediment, and nutrients in selected tributary watersheds of Lake Erie, New York
The U.S. Geological Survey, in cooperation with Erie County, New York, the New York State Department of Environmental Conservation, and the Great Lakes Restoration Initiative, collected water-quality samples in nine selected New York tributaries to Lake Erie, computed estimates of suspended sediment and nutrient loads using the R scripting package rloadest and used the Soil and Water Assessment To
Authors
Katherine R. Merriman, Benjamin N. Fisher, Elizabeth A. Nystrom, Aubrey R. Bunch, Robert J. Welk, William M. Kappel
Developing version 2 of satellite-estimated precipitation monthly reports for selected locations in the Republic of the Marshall Islands
The Republic of the Marshall Islands (RMI; also known as the Marshall Islands) is a nation of more than 30 low-lying atolls and islands, most of which are inhabited, dispersed across an Exclusive Economic Zone over 770,000 square miles in the tropical central north Pacific Ocean. The study objectives and methods were originally presented in U.S. Geological Survey Data Report 1181 and are summarize
Authors
Gabriel B. Senay, David A. Helweg, Stefanie Kagone, Thomas Cecere, Tiare Eastmond, Amy Koch, Kurtis Nelson, Jack Randon
Utility of an instantaneous salt dilution method for measuring streamflow in headwater streams
Streamflow records are biased toward large streams and rivers, yet small headwater streams are often the focus of ecological research in response to climate change. Conventional flow measurement instruments such as acoustic Doppler velocimeters (ADVs) do not perform well during low-flow conditions in small streams, truncating the development of rating curves during critical baseflow conditions dom
Authors
Karli M Rogers, Jennifer Burlingame Hoyle Fair, Nathaniel P. Hitt, Karmann G. Kessler, Zachary A. Kelly, Martin Briggs
Redistribution of debris-flow sediment following severe wildfire and floods in the Jemez Mountains, New Mexico, USA
Severe fire on steep slopes increases stormwater runoff and the occurrence of runoff-initiated debris flows. Predicting locations of debris flows and their downstream effects on trunk streams requires watershed-scale high-resolution topographic data. Intense precipitation in July and September 2013 following the June 2011 Las Conchas Fire in the Jemez Mountains, New Mexico, led to widespread debri
Authors
J. M. Friedman, Anne C. Tillery, Samuel J. Alfieri, Elizabeth Rachaelann Skaggs, Patrick B. Shafroth, Craig D. Allen
Revision of ModelMuse to support the use of PEST software with MODFLOW and SUTRA models
Executive SummaryModelMuse is a graphical user interface for several groundwater modeling programs. ModelMuse was updated to generate the input files for the parameter estimation software suite PEST. The software is used with MODFLOW or SUTRA models to run PEST-based parameter estimation and display the updated model inputs after parameter estimation. The PEST input files can also be used with the
Authors
Richard B. Winston
Origin of the Laurentian Great Lakes fish fauna through upward adaptive radiation cascade prior to the Last Glacial Maximum
The evolutionary histories of adaptive radiations can be marked by dramatic demographic fluctuations. However, the demographic histories of ecologically-linked co-diversifying lineages remain understudied. The Laurentian Great Lakes provide a unique system of two such radiations that are dispersed across depth gradients with a predator-prey relationship. We show that the North American Coregonus s
Authors
Nathan J.C. Backenstose, Daniel J. MacGuigan, Christopher A. Osborne, Moises A. Bernal, Elizabeth K. Thomas, Eric Normandeau, Daniel Yule, Wendylee Stott, Amanda Susanne Ackiss, Victor A. Albert, Louis Bernatchez, Trevor J. Krabbenhoft
Estimating traffic volume and road age in Wyoming to inform resource management planning: An application with wildlife-vehicle collisions
Road networks and their associated vehicular traffic disturb many terrestrial systems, but inventories of roads used to assess these effects often focus on the ‘where’ (e.g., local road type and density) and neglect the ‘when’ (e.g., temporal disturbance) or ‘how much’ (e.g., traffic volume disturbance). We developed annual estimates of the ‘when’ (road age) and ‘how much’ (vehicular traffic volum
Authors
Richard Inman, Benjamin Seward Robb, Michael O'Donnell, David R. Edmunds, Matthew J Holloran, Cameron L. Aldridge
Riverine dissolved organic matter transformations increase with watershed area, water residence time, and Damköhler numbers in nested watersheds
Quantifying the relative influence of factors and processes controlling riverine ecosystem function is essential to predicting future conditions under global change. Dissolved organic matter (DOM) is a fundamental component of riverine ecosystems that fuels microbial food webs, influences nutrient and light availability, and represents a significant carbon flux globally. The heterogeneous nature o
Authors
Kevin Alexander Ryan, Vanessa Garayburu-Caruso, Byron Crump, Ted Bambakidis, Peter Raymond, Shaoda Liu, James Stegen
A heuristic method to evaluate consequences for flight control and stability induced by attachment of biologging devices to birds and bats
Biologging is central to the study of wildlife, but questions remain about the minimization of effects of biologging devices. Rarely considered are changes biologging devices induce on an animal's centre of mass (COM) and resulting losses of flight control and stability.We applied established aeronautical principles to estimate how the COM of a flying bird or bat may be affected by the typical pos
Authors
Todd E. Katzner, George Young
In-situ valve opening response of eastern oysters to estuarine conditions
High-frequency recordings of valve opening behavior (VOB) in bivalves are often used to detect changes in environmental conditions. However, generally a single variable such as temperature or the presence of toxicants in the water is the focus. A description of routine VOB under non-stressful conditions is also important for interpreting responses to environmental changes. Here we present the firs
Authors
Romain Lavaud, Stephanie K. Archer, Megan K. La Peyre, Finella M. Campanino, Sandra M. Casas, Jerome F. La Peyre
Volcanoes of American Samoa
Upu Amata (Introduction)O le Atu-Samoa o le tasi lenei o faʻasologa motu mauga mu i le Vasa Pasefika i Saute. O motu e pito i sasaʻe o nei faʻasologa mauga mu o le Atu-Samoa, o motu ia o Amerika Samoa. E tofu lava mauga mu taʻitasi o Amerika Samoa ma ona talaaga aemaise tulaga e tutupu e ono pa ai i le lumanai. O loʻo galulue faʻatasi le Ofisa o le U.S. Geological Survey (USGS) ma le National Ocea
Authors
Natalia I. Deligne, Drew T. Downs, Elinor Lutu-McMoore, Steven Sobieszczyk, Wendy K. Stovall