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Western Geographic Science Center

The WGSC is responsible for research and applications to understand coupled human-environmental systems in the face of land change and delivering pertinent information to decision makers on the vulnerability and resilience of these systems.  WGSC scientists collaborate with partners to advance the goals of the USGS Core Science Systems and Ecosystems Mission Areas and their programs. 

News

The Global Food-and-Water Security-support Analysis Data (GFSAD) Project held its 4th Workshop at the U. S. Geological Survey's (USGS) Flagstaff Science Center

The Global Food-and-Water Security-support Analysis Data (GFSAD) Project held its 4th Workshop at the U. S. Geological Survey's (USGS) Flagstaff Science Center

Causes and Consequences of Flooding in California’s Central Valley

Causes and Consequences of Flooding in California’s Central Valley

Ecological Thresholds, Abiotic Stress, and Climate Change: A Conceptual Framework

Ecological Thresholds, Abiotic Stress, and Climate Change: A Conceptual Framework

Publications

Estimated average annualized losses from potential building damage and fatalities due to earthquake-generated tsunamis in the United States Estimated average annualized losses from potential building damage and fatalities due to earthquake-generated tsunamis in the United States

Earthquake-generated tsunamis represent substantial economic threats to states and territories in the United States (U.S.), but we are unaware of any effort to quantify potential impacts at the national level. This gap is partially due to the lack of nationally consistent data on tsunamigenic sources and associated return periods. This study addresses this issue and provides estimates of...
Authors
Nathan Wood, Anne Sheehan, Douglas Bausch, Cadie Yeager, Casey Zuzak, Jennifer Sims, Ashley Hoke

RUSH: Rapid remote sensing Updates of land cover for Storm and Hurricane forecast models RUSH: Rapid remote sensing Updates of land cover for Storm and Hurricane forecast models

Coastal vegetated ecosystems, including tidal marshes, vegetated dunes, and shrub- and forest-dominated wetlands, can mitigate hurricane impacts such as coastal flooding and erosion by increasing surface roughness and reducing wave energy. Land cover maps can be used as input to improve simulations of surface roughness in advanced hydro-morphological models. Consequently, there is a need...
Authors
Chak Cheang, Kristin Byrd, Nicholas Enwright, Daniel Buscombe, Christopher Sherwood, Dean Gesch

Using imaging spectroscopy and elevation in machine learning to estimate soil salinity in intermittently tidal wetlands Using imaging spectroscopy and elevation in machine learning to estimate soil salinity in intermittently tidal wetlands

Coastal soil salinization patterns are changing due to drought, sea level rise (SLR), and changing freshwater inflow. These changes are expected to impact coastal wetland plant health and ecosystem function, such as changes to biomass and productivity. These impacts have led to greater interest in how we monitor soil salinization across spatial and temporal scales. Remote sensing is a...
Authors
German Silva, Dar Roberts, Kristin Byrd, Dana Chadwick, Ian Walker, Jennifer King

Science

USGS research on coastal and nearshore ecosystems informs wildlife and fisheries management

USGS research on coastal and nearshore ecosystems informs wildlife and fisheries management

Coastal ecosystems are where the land and sea meet. USGS coastal science plays a critical role in supporting effective, science-based management of coastal ecosystems. USGS helps decision-makers navigate complex ecosystem challenges.
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A Return On Investment Approach for Evaluating Great Basin Fuel Break Priorities

Linear fuel breaks are a primary type of fuel treatment used to reduce the likelihood and damages from wildland fire to values at risk in rangelands in the western US. However, based on past research and a recent case study, there is likely a large amount of variation in burn probability reduction among fuel breaks due to prevailing winds, fuel conditions, and proximity to other fuel breaks. We...
A Return On Investment Approach for Evaluating Great Basin Fuel Break Priorities

A Return On Investment Approach for Evaluating Great Basin Fuel Break Priorities

Linear fuel breaks are a primary type of fuel treatment used to reduce the likelihood and damages from wildland fire to values at risk in rangelands in the western US. However, based on past research and a recent case study, there is likely a large amount of variation in burn probability reduction among fuel breaks due to prevailing winds, fuel conditions, and proximity to other fuel breaks. We...
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Supporting energy and mineral development through successful reclamation

Federal lands of the US contain important reserves of oil, gas and other resources important for Unleashing American Energy (SO 3418). After development of these resources is complete, successfully reclaiming disturbed lands is a necessary step towards restoring wildlife habitat, forage production, and maintaining natural resources for future use. To improve reclamation outcomes on these lands and...
Supporting energy and mineral development through successful reclamation

Supporting energy and mineral development through successful reclamation

Federal lands of the US contain important reserves of oil, gas and other resources important for Unleashing American Energy (SO 3418). After development of these resources is complete, successfully reclaiming disturbed lands is a necessary step towards restoring wildlife habitat, forage production, and maintaining natural resources for future use. To improve reclamation outcomes on these lands and...
Learn More
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