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NPS | 2021
The Yukon River basin encompasses 832,000 square-kilometers and is one of Earth's largest boreal-Arctic rivers. Characterized by a long, frozen winter season, the river demonstrates an abrupt…
NPS | 2021
Twenty years ago, ecological studies were often limited by the number of times biologists could find (relocate) their study animals. With the advent and now widespread use of Global Positioning…
NPS | 2021
The snow season has become shorter and the growing season longer over the past 20 years in Alaska's Arctic National Parks. The NPS Arctic Inventory and Monitoring Network (ARCN) uses MODIS (Moderate…
BOR | 2021
The Colorado River is the principal source of water for agriculture and riparian vegetation in Arizona, southern California, and southern Nevada. In the Lower Colorado River Basin, the BOR accounts…
BOR | 2015
In 2012, the U.S. and Mexico signed the historic Minute 319 Agreement to improve binational water management of the Colorado River system. The agreement allowed for a one-time “pulse flow”…
BOR | 2015
The Bureau of Reclamation operates more than 300 reservoirs and 8,000 miles of water delivery canals throughout the West. Developing reservoir operation protocols and water accounting strategies…
BOR | 2015
The Colorado River is the principal source of water for irrigation and domestic use in Arizona, southern California, and southern Nevada. To account for water use by each State and individual user,…
BOR | 2015
The locations of existing and proposed water pipelines in multi-county tribal water systems in North and South Dakota are being mapped and documented in pipeline mapbooks. The 2014…
BOR | 2015
The Bureau of Reclamation administers the Operating Criteria and Procedures (OCAP) for the Newlands Reclamation Project, which monitors irrigation status of approximately 61,000 acres in Nevada. The…
BOR | 2015
The Great Plains Reclamation Dakotas Area Office (DKAO) used remote sensing imagery in a Geographic Information Systems (GIS) environment to calculate pump requirements for an irrigation system.…
BOR | 2015
Changes in sandbar geometry were mapped using historcal and recent aerial imagery to quantify the extent of sandbar encroachment into the water intake structure of the pumping plant for the Buford-…
BOR | 2015
Interferometric Synthetic Aperture Radar (IFSAR) point cloud data were used to create a new contour map to assist with a facilities engineering project near a recreation area. Previous…