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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.

Filter Total Items: 175531

Report of the River Master of the Delaware River for the period December 1, 2016–November 30, 2017 Report of the River Master of the Delaware River for the period December 1, 2016–November 30, 2017

Executive Summary A Decree of the Supreme Court of the United States, entered June 7, 1954 (New Jersey v. New York, 347 U.S. 995), established the position of Delaware River Master within the U.S. Geological Survey. In addition, the Decree authorizes the diversion of water from the Delaware River Basin and requires compensating releases from certain reservoirs owned by New York City be...
Authors
Kendra L. Russell, William J. Andrews, Vincent J. DiFrenna, J. Michael Norris, Robert R. Mason,

Status and performance of the ShakeAlert® earthquake early warning system: 2019-2023 Status and performance of the ShakeAlert® earthquake early warning system: 2019-2023

The U.S. Geological Survey (USGS)‐operated ShakeAlert® system is the United States West Coast earthquake early warning system (Given et al., 2018). In this study we detail ShakeAlert’s performance during some of the largest events seen by the system thus far. Statewide public alerting using ShakeAlert messages was authorized in California in October 2019. Over the next few years, public...
Authors
A.I. Lux, Deborah Smith, M. Böse, Jeffrey J. McGuire, Jessie K. Saunders, Minh Huynh, I. Stubailo, Jennifer R Andrews, G. Lotto, B. Crowell, S. Crane, R. M. Allen, Douglas D. Given, R. Hartog, T. Heaton, A. Husker, J. Marty, Leland O'Driscoll, Harold J. Tobin, Sara K. McBride, D. Toomey

Automated, near real-time ground-motion processing at the U.S. Geological Survey Automated, near real-time ground-motion processing at the U.S. Geological Survey

We describe automated ground‐motion processing software named gmprocess that has been developed at the U.S. Geological Survey (USGS) in support of near‐real‐time earthquake hazard products. Because of the open‐source development process, this software has benefitted from the involvement and contributions of a broad community and has been used for a wider range of applications than was...
Authors
Eric M. Thompson, Mike Hearne, Brad T. Aagaard, J.M. Rekoske, Charles Worden, Morgan P. Moschetti, Heather Elizabeth Hunsinger, Gabe C. Ferragut, Grace Alexandra Parker, James Andrew Smith, Kyle Ken Smith, Albert R. Kottke

Simulated sea level rise in coastal peat oils stimulates mercury methylation Simulated sea level rise in coastal peat oils stimulates mercury methylation

Coastal wetlands are vulnerable to sea level rise with unknown consequences for mercury (Hg) cycling, particularly the potential for exacerbating neurotoxic methylmercury (MeHg) production and bioaccumulation in food webs. Here, the effect of sea level rise on MeHg formation in the Florida Everglades was evaluated by incubating peat cores from a freshwater wetland for 0–20 days in the...
Authors
Bryce A. Cook, Benjamin D. Peterson, Jacob M. Ogorek, Sarah E. Janssen, Brett A. Poulin

Trail sustainability broadly defined Trail sustainability broadly defined

In this paper we provide a concise yet comprehensive examination of the importance and sustainability of trail networks, considering a diverse array of perspectives. Sustainability related to recreation infrastructure elements has been variously defined, with different disciplines often only considering one or two aspects of sustainability. In the context of trail networks, we suggest...
Authors
Jeffrey L. Marion, Emily J. Wilkins

Observing glacier elevation changes from spaceborne optical and radar sensors – an inter-comparison experiment using ASTER and TanDEM-X data Observing glacier elevation changes from spaceborne optical and radar sensors – an inter-comparison experiment using ASTER and TanDEM-X data

Observations of glacier mass changes are key to understanding the response of glaciers to climate change and related impacts, such as regional runoff, ecosystem changes, and global sea level rise. Spaceborne optical and radar sensors make it possible to quantify glacier elevation changes, and thus multi-annual mass changes, on a regional and global scale. However, estimates from a...
Authors
Livia Piermattei, Michael Zemp, Christian Sommer, Fanny Brun, Matthias H. Braun, Liss M. Andreassen, Joaquin M. C. Belart, Etienne Berthier, Atanu Bhattacharya, Laura Boehm Vock, Tobias Bolch, Amaury Dehecq, Ines Dussaillant, Daniel Falaschi, Caitlyn Florentine, Dana Floricioiu, Christian Ginzler, Gregoire Guillet, Romain Hugonnet, Andreas Kaab, Owen King, Christoph Klug, Friedrich Knuth, Lukas Krieger, Jeff La Frenierre, Robert McNabb, Christopher McNeil, Rainer Prinz, Louis C. Sass, Thorsten Seehaus, David Shean, Desiree Treichler, Anja Wendt, Ruitang Yang
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