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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 | 2014
First-time ever plans for environmental benefits in the Colorado River Delta were set in motion by an agreement known as Minute 319, which was signed in 2012 by the United States and Mexico.…
BOR | 2014
As part of a groundwater export feasibility study, the BOR was directed to assess the perennial yield of groundwater from Dixie Valley, a closed basin in western Nevada. Because Dixie Valley is…
BOR | 2014
The Colorado River is the principal source of water for irrigation and domestic use in Arizona, southern California, and southern Nevada. The BOR accounts for water use by each state and individual…
BOR | 2014
The BOR administers the Operating Criteria and Procedures (OCAP) for the Newlands Reclamation Project, which covers approximately 61,000 acres in Nevada. The OCAP directs BOR and the Truckee-Carson…
BOR | 2014
The Siletz River is located in west-central Oregon. The Siletz Tribe has requested technical assistance through BOR’s Tribal Assistance Program to evaluate hydraulic and geomorphic processes along…
NPS | 2014
Intermountain Region Cultural Resources Division, Intermountain Region Geographic Resources Division Second Fort at Fort Union National Monument in Watrous, New Mexico, is a massive star-shaped…
NPS | 2014
Sunset Crater Volcano National Monument, Natural Resource Management, Flagstaff, Arizona Sunset Crater Volcano National Monument, located near Flagstaff, Arizona, is composed of many unique and…
NPS | 2014
Tule Lake Unit of the WWII Valor in the Pacific National Monument, Cultural Resources Program, Tulelake, California The Tule Lake Unit of the World War II Valor in the Pacific National Monument,…