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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…
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,…
NPS | 2014
National Park Service Arctic Inventory and Monitoring Network NPS used Moderate Resolution Imaging Spectroradiometer (MODIS) satillite images to evaluate trends in snow cover persistence over Alaska'…
NPS | 2014
Tule Lake Unit of the WWII Valor in the Pacific National Monument, Division of Resource Management, Cultural Resources Program, Tulelake, California The Tule Lake Unit of the World War II Valor in…
NPS | 2014
Division of Science & Resource Management, Glacier National Park Funded by the Glacier National Park Conservancy and working in cooperation with the Montana State Library, Glacier National Park…
NPS | 2012
The Great Smoky Mountains National Park is collecting light detection and ranging (lidar) data in partnership with the State of North Carolina and the U.S. Geological Survey (USGS) to develop high-…
NPS | 2012
The topography of many Alaskan national parks has changed greatly over the last 50 years primarily because of glacier retreat and downwasting (thinning). Glaciers have downwasted as much as 640 m and…
NPS | 2012
Snow cover plays a major role in the energy and freshwater balances of Alaska, and variability in snow cover extent and duration are climatologically important. The Southwest Alaska Network Inventory…