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USGS | 2018
Approximately 90% of the naturally occurring wetlands in California’s Central Valley (including the Sacramento-San Joaquin Delta) have been lost due to land use change, yet the area remains a…
USGS | 2018
Data suggest that long-tailed duck populations are in decline. As a result, efforts have been made to better understand their population distributions through satellite telemetry studies. In…
USGS | 2018
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 lower Colorado River into Mexico, allowing…
USGS | 2018
New approaches to habitat characterization are needed to address questions about ecosystems effectively and cost-efficiently, particularly in montane ecosystems where rapid changes in community…
USGS | 2018
The Northern Rangelands Trust (NRT) is an umbrella organization of 33 community conservancies that stretch across the arid and semiarid landscape of northern Kenya. The NRT conservancies protect…
USGS | 2018
Wolves are born into packs. Similar to the dynamics of human families, young members of both sexes leave their natal families as they reach maturity and strike out on their own. These “lone…
USGS | 2018
The GeoCLIM climate analysis tool and the Climate Hazards Group Infrared Precipitation with Stations (CHIRPS) rainfall dataset were developed to support a request from the U.S. Agency for…
USGS | 2018
In 2017, the National Park Service approached the USGS National Unmanned Aircraft Systems (UAS) Project Office to acquire geospatial data in support of developing a flood management plan for the Fort…
USGS | 2018
Accurate assessment of ongoing land subsidence and ground failure requires periodic imaging of the ground surface and reconstruction of topographic changes over multiple timescales. The USGS monitors…
USGS | 2018
Wildfire activity in Alaskan boreal forests has been increasing in extent and frequency over the past two decades. These shifts have critical consequences for future fire and resource…
USGS | 2018
Scientists at the USGS Geosciences and Environmental Change Science Center in Denver, Colorado, have led the development and validation of the Landsat Burned Area products. The algorithm producing…
USGS | 2018
The Landscape Fire and Resource Management Planning Tools (LANDFIRE) Program developed the original LANDFIRE National product suite using Landsat data (circa 2001) to identify disturbances on the…