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USGS | 2019
Forest loss, forest succession, and wetland drying have been key issues on Alaska’s Kenai Peninsula in recent decades. Spruce bark beetle outbreaks, natural and human-caused wildfires, shrub…
USGS | 2019
This project focuses on the illegal artisanal and small-scale mining (ASM) of small and low-grade mineral and gemstone deposits. Project scientists employ field mapping, geomorphological techniques,…
USGS | 2019
The goal of the 3D Elevation Program (3DEP) is to complete acquisition of nationwide lidar (Interferometric Synthetic Aperture Radar (IfSAR) in Alaska) in 8 years to provide the first-ever national…
USGS | 2019
The USGS is coordinating a 3D Elevation Program (3DEP) effort with other Federal agency partners and the State of Alaska to acquire new statewide Alaska elevation data. Under its Geospatial Products…
USGS | 2019
The North American Land Change Monitoring System (NALCMS) is a collaborative initiative between Canada, Mexico, and the United States to monitor land cover and its change over time. The NALCMS’ 19…
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…
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
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
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
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
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
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…