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Reports

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.

Filter Total Items: 84799

Abundance and distribution of white-tailed deer on First State National Historical Park and surrounding lands Abundance and distribution of white-tailed deer on First State National Historical Park and surrounding lands

We estimated both abundance and distribution of white-tailed deer (Odocoileus virginianus) on the Brandywine Valley unit of First State National Historical Park (FRST) and the Brandywine Creek State Park (BCSP) during 2020 and 2021 with two widely used field methods — a road-based count and a network of camera traps. We conducted 24 road-based counts, covering 260 km of roadway, and...
Authors
H. Brian Underwood, Madison R. Hand, Donald J. Leopold

Incorporating climate data into emergency planning and exercises: A primer for emergency management practioners and data developers Incorporating climate data into emergency planning and exercises: A primer for emergency management practioners and data developers

Climate change has and will continue to sharpen climate-related risks to communities and natural resources in California and elsewhere, as the probabilities of more extreme weather, floods, and fires continue to increase. This poses a problem of novel situations for emergency management. Progress has been made in terms of formally incorporating climate projections, data, and research on...
Authors
Christine M. Albano, Maureen I. McCarthy, Stephanie Anne McAfee, Anne Wein, Michael D. Dettinger

Geophysical characterization of mine influenced groundwater and surface water in the Mayflower section of the Animas River, Bonita Peak Mining District, Silverton Colorado Geophysical characterization of mine influenced groundwater and surface water in the Mayflower section of the Animas River, Bonita Peak Mining District, Silverton Colorado

This report details findings from geophysical investigations to identify possible groundwater - surface water interactions near the Mayflower Section of the Animas River in Silverton, Colorado. The Mayflower Section is a mine influenced Superfund Site in Colorado. This investigation utilized electromagnetic induction (EM or EMI), magnetic, and fiber optic distributed temperature system...
Authors
Dale Werkema, Neil C. Terry, Brett Trottier

Living with wildfire in Lake Wenatchee, Chelan County, Washington: 2022 Data report Living with wildfire in Lake Wenatchee, Chelan County, Washington: 2022 Data report

Community wildfire readiness includes actions taken by residents, including wildfire risk mitigation at the parcel level and evacuation preparedness. This report presents results from two data collection efforts in the Lake Wenatchee Fire & Rescue service district in Chelan County, Washington: parcel level rapid wildfire risk assessments and household surveys sent to the owners of...
Authors
Julia Goolsby, Patricia A. Champ, Suzanne Wittenbrink, Colleen Donovan, Kris King, Hannah Brenkert-Smith, James R. Meldrum, Christopher M. Barth, Carolyn Wagner, Chiara Forrester

Guidelines for using the Climate Change Vulnerability Index 2024 release 4.0 Guidelines for using the Climate Change Vulnerability Index 2024 release 4.0

No abstract available.
Authors
Marta P. Lyons, John Raymond Stevenson, Lindsey Thurman, Bruce Young

Bottom trawl assessment of Lake Ontario's benthic preyfish community, 2023 Bottom trawl assessment of Lake Ontario's benthic preyfish community, 2023

Since 1978, surveys of Lake Ontario preyfish communities have provided information on the status and trends of the benthic preyfish community related to Fish Community Objectives that includes understanding preyfish population dynamics and community diversity. Beginning in 2015, the benthic preyfish survey expanded from US-only to incorporate Canadian sites, increasing the survey’s...
Authors
Brian O’Malley, Scott P. Minihkeim, Olivia Margaret Mitchinson, Scott David Stahl, Jessica A Goretzke, Jeremy P. Holden
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