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Browse more than 82,000 reports authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.

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Survey of fish communities in tributaries to the Mohawk River, New York, 2019 Survey of fish communities in tributaries to the Mohawk River, New York, 2019

Fish communities of the Mohawk River and associated sections of the New York State Canal System have been well documented but little information is available regarding the status of fish communities in the extensive network of tributaries that feed the Mohawk River. This lack of information is problematic because changes in species distributions or general ecosystem health may go...
Authors
Scott D. George, Dylan R. Winterhalter, Barry P. Baldigo
By
Water Resources Mission Area, New York Water Science Center

Estimating flood magnitude and frequency for unregulated streams in Wisconsin Estimating flood magnitude and frequency for unregulated streams in Wisconsin

Flood frequency characteristics and estimated flood discharges for the 50-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities were computed at 299 streamgaged locations in Wisconsin. The State was divided into four flood frequency regions using a cluster analysis to produce regions which are homogeneous with respect to physical basin characteristics. Regression...
Authors
Sara B. Levin, Christopher A. Sanocki
By
Upper Midwest Water Science Center, StreamStats

The EDMAP Program: Training the next generation of geologic mappers The EDMAP Program: Training the next generation of geologic mappers

Introduction Detailed geologic maps are the basis of most earth science investigations and can be used for natural hazard mitigation, resource identification and exploration, infrastructure planning, and more. As a part of the U.S. Geological Survey (USGS) congressionally mandated National Cooperative Geologic Mapping Program (NCGMP), the EDMAP program (referred to as EDMAP) is a...
Authors
Jenna L. Shelton, Christopher S. Swezey, Michael Marketti
By
Energy Resources Program, National Cooperative Geologic Mapping Program, Florence Bascom Geoscience Center, Geology, Energy & Minerals Science Center

Water Science School [Bookmark] Water Science School [Bookmark]

Introduction The U.S. Geological Survey’s online Water Science School is a one-stop shop for water education resources. In addition to sharing images, data, and diagrams, the Water Science School provides lesson plans for teachers as well as multiple interactive activities for students, such as questionnaires, calculators, and quizzes. This bookmark introduces Drippy, the Water Science...
Authors
Tara A. Gross
By
Water Resources Mission Area, Colorado Water Science Center

Appendix D: Synthesis element 1 (revised): Water temperature effects on fisheries and stream health in nontidal waters Appendix D: Synthesis element 1 (revised): Water temperature effects on fisheries and stream health in nontidal waters

A limited review of relevant scientific literature related to temperature sensitivities of fish species, stream health indicators, and any related geospatial information was conducted. Based on this review, we provide a syntheses of information related to nontidal waters in the Chesapeake Bay Rising stream temperatures will have a range of impacts on nontidal aquatic ecosystems. Cold...
Authors
Stephen Faulkner, Frank Borsuk, Greg Pond, Kevin Krause, Rosemary M. Fanelli, Matthew J. Cashman, Nathaniel P. Hitt, Benjamin Letcher
By
Eastern Ecological Science Center

Product specification document for dynamic surface water extent from Harmonized Landsat and Sentinel-2 Product specification document for dynamic surface water extent from Harmonized Landsat and Sentinel-2

The primary purpose of this document is to convey product specifications of the OPERA (Observational Products for End-users from Remote-sensing Analysis) Level-3 Dynamic Surface Water Extent (DSWx) product that uses Harmonized Landsat-8 and Sentinel-2A/B (HLS) as the primary image-based inputs. This product, referred to by the short name DSWx-HLS, will be generated by the OPERA Data...
Authors
John W. Jones, G. Shiroma
By
Water Resources Mission Area
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