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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

Dr. Pardhasaradhi Teluguntla receives ESRI's Award for Best Scientific Paper in GIS -1st Place

Dr. Pardhasaradhi Teluguntla receives ESRI's Award for Best Scientific Paper in GIS -1st Place

Earth Science Matters - Vol. 21 | Issue 1

Earth Science Matters - Vol. 21 | Issue 1

WGSC cloud-based tidal marsh biomass mapping tool

WGSC cloud-based tidal marsh biomass mapping tool

Publications

Influence of modeling assumptions on pedestrian evacuation success for non-eruptive lahar hazards at Mount Rainier, Washington Influence of modeling assumptions on pedestrian evacuation success for non-eruptive lahar hazards at Mount Rainier, Washington

Previous efforts to characterize lahar threats posed to communities downstream of volcanoes have focused primarily on delineating hazard zones that lack information on lahar-arrival times and exposure estimates that implicitly treat threats to be the same regardless of distance from the volcano. Estimated lahar-arrival times, travel times for individuals to leave hazard zones, and...
Authors
Nathan J. Wood, Jeff Peters

Advances and applications of Unoccupied Aerial Systems (UAS) research in landscape ecology Advances and applications of Unoccupied Aerial Systems (UAS) research in landscape ecology

Landscape ecologists have long depended on satellite and aerial remote sensing to address questions about landscape pattern and process, structure, and change (Foody 2023). Unoccupied aerial systems/vehicles (UAS/UAV, a.k.a. drones) technology is becoming an increasingly popular research tool in environmental sciences allowing scientists to generate low-cost, high-quality, and high...
Authors
Miguel L. Villarreal, Tara B. Bishop, Temuulen Ts. Sankey, William K. Smith

Regreening, restoring, and reconnecting a southwestern wetland ecosystem – the Zeedyk wetland Regreening, restoring, and reconnecting a southwestern wetland ecosystem – the Zeedyk wetland

Alluvial wetland ecosystems are vital as biodiversity hotspots but are increasingly threatened by anthropogenic stressors and drought. These pressures are especially acute in arid and semi-arid regions, where eco-hydrologic connectivity is fragile and recovery is slow. This study quantifies the efficacy of nature-based solutions, particularly the ‘Zeedyk approach,’ which employs low-tech...
Authors
Roy E. Petrakis, Laura M. Norman, Maryann McGraw, Steve Carson, Craig Sponholtz, Cameron Weber, Bill D. Zeedyk

Science

New Tools for Modern Land Management Decisions

In an era of rapid land use changes, it is imperative that land managers and policymakers have actionable and current information available for decision processes. In this work, we seek to meet these needs through new data products and decision support tools built on digital soil mapping, new vegetation cover maps, agency inventory and monitoring data sets, and cutting-edge analytical frameworks...
New Tools for Modern Land Management Decisions

New Tools for Modern Land Management Decisions

In an era of rapid land use changes, it is imperative that land managers and policymakers have actionable and current information available for decision processes. In this work, we seek to meet these needs through new data products and decision support tools built on digital soil mapping, new vegetation cover maps, agency inventory and monitoring data sets, and cutting-edge analytical frameworks...
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Las Moras Wash Restoration: Integrated Geomorphic Assessment, Modeling, Monitoring, and Adaptive Management

The Las Moras Wash, within the Santa Margarita Ranch, Altar Valley, AZ, exhibits channel incision, gully expansion, head‑cut migration, vegetation loss, and reduced hydrologic connectivity between upper watershed and floodplains.
Las Moras Wash Restoration: Integrated Geomorphic Assessment, Modeling, Monitoring, and Adaptive Management

Las Moras Wash Restoration: Integrated Geomorphic Assessment, Modeling, Monitoring, and Adaptive Management

The Las Moras Wash, within the Santa Margarita Ranch, Altar Valley, AZ, exhibits channel incision, gully expansion, head‑cut migration, vegetation loss, and reduced hydrologic connectivity between upper watershed and floodplains.
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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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