Geosciences and Environmental Change Science Center


GECSC researchers conduct multi-purpose geologic mapping and topical scientific studies to address issues concerning geologic, climatic, ecosystem, and land surface changes; human interactions with the environment; and physical, chemical, and biological characterization of the Earth's surface and upper crust. 


Date published: October 21, 2019

Low-Level Flights to Image 3D Geology in Northern Arkansas

Editor: In the public interest and in accordance with the Federal Aviation Administration regulations, the USGS is announcing this low-level airborne project. Your assistance in informing the local communities is appreciated.

Date published: September 14, 2018

Big Thompson Floods of 1976 and 2013 - A Visual Comparison

The Big Thompson Floods of 1976 and 2013 shown visually. The inundation images reflect the location and peak streamflows at certain points between Estes Park and Loveland, Colorado.

Date published: July 27, 2018

Follow National Wildfire Information in the Palm of Your Hand: GeoMAC Goes Mobile

The public can now access information about active wildfires across the country using a smartphone.


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Year Published: 2019

Status of three-dimensional geological mapping and modeling activities in the U.S. Geological Survey

The U.S. Geological Survey (USGS), created in 1879, is the national geological survey for the United States and the sole science agency within its cabinet-level bureau, the Department of the Interior. The USGS has a broad mission, including: serving the Nation by providing reliable scientific information to describe and understand the Earth;...

Sweetkind, Donald; Graymer, Russell; Higley, D.K.; Boyd, Oliver S.

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Year Published: 2019

Challenges for monitoring the extent and land use/cover changes in monarch butterflies’ migratory habitat across the United States and Mexico

This paper presents a synopsis of the challenges and limitations presented by existing and emerging land use/ land cover (LULC) digital data sets when used to analyze the extent, habitat quality, and LULC changes of the monarch (Danaus plexippus) migratory habitat across the United States of America (US) and Mexico. First, the characteristics,...

Rafael Moreno-Sanchez; James Raines; Diffendorfer, James E.; Drummond, Mark A.; Jessica Manko

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Year Published: 2019

Review of indicators for comparing environmental effects across energy sources

Robust, quantitative comparisons of environmental effects across energy sources can support development of energy planning strategies that meet growing demand while managing and minimizing undesirable effects on environmental resources. Multicriteria analyses of energy systems often use a suite of indicators to make such comparisons, but those...

Dorning, Monica; Diffendorfer, James E.; Scott R Loss; Bagstad, Kenneth J.