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USGS | 2019
Satellite images and streamgages are the two most common measurement tools used to assemble a record of historical water inundation dynamics, but access to necessary tools and analysis software is…
USGS | 2019
The USGS Dakota Water Science Center is conducting high-resolution hydrographic mapping on two additional study areas in southeastern South Dakota. One study area is adjacent to a previous effort…
USGS | 2019
Imagery collected using unmanned aircraft systems (UAS) are being used to document baseline vegetation conditions and to monitor progress of bottomland forest restoration at the Little Saint Francis…
USGS | 2019
As part of a Natural Resource Damage Assessment settlement related to contaminant releases from the Molycorp/Questa Molybdenum mine, subalpine fens, wetlands, and associated stream habitat for the…
USGS | 2019
During the spring of 2014, about 105,000 acre-feet (130 million cubic meters) of water were released from the Morelos Dam in the United States into the delta of the lower Colorado River in Mexico,…
USGS | 2019
The National Map Corps (TNMCorps), a crowdsourced mapping project, relies on volunteers to assist the USGS National Geospatial Program by collecting and editing man-made structures data for The…
USGS | 2019
Landsat satellite imagery has been available at no cost to the public since 2008, resulting in the distribution of millions of scenes each subsequent year. Additionally, tens of thousands of Landsat…
USGS | 2019
Landsat satellites have been operating since 1972, providing the longest continuous observation record of the Earth’s land surface. Over the past half century, the Landsat user community has grown…
USGS | 2019
To validate the quality of light detection and ranging (lidar) data collected for the 3D Elevation Program (3DEP), the USGS uses methods detailed in “Accuracy Standards for Digital Geospatial Data”…
USGS | 2019
A new suite of science products has been released, including Burned Area, Dynamic Surface Water Extent, and Fractional Snow Covered Area. These new products span the USGS Landsat archive from 1982 to…
USGS | 2019
The USGS has completed and released the National Land Cover Database (NLCD) 2016 for the United States. NLCD 2016 for the first time includes fractional component products of shrub, bare ground, and…
USGS | 2019
The USGS has completed and released the National Land Cover Database (NLCD) 2016 for the United States. NLCD 2016 documents land cover in the conterminous United States from 2001 to 2016. The…