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NPS | 2022
Glaciers are an iconic part of the landscape in south-central Alaska and cover approximately half of Kenai Fjords National Park. Glaciers play a role in local terrestrial, freshwater, and marine…
NPS | 2022
The Northeast Archeological Resources Program (NARP) supports archeological resource planning, research, and baseline inventory and evaluation of archeological resources in the Interior Region 1…
NPS | 2022
Glaciers are important sentinels of a changing climate, crucial components of the global cryosphere, and integral to ecosystem functioning in the surrounding landscape. Until now, commonly used…
NPS | 2022
Ice wedges are a common feature of permafrost regions that form when cracks in frozen ground are filled by ice. Because they are located near the ground surface and have little covering insulation,…
NPS | 2022
National Park Service (NPS) scientists had been monitoring water quality in a small lake in Yukon-Charley Rivers National Preserve since 2005 when they noticed a sudden and persistent increase…
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 | 2017
Snow wetness and icing can affect ecosystem processes at multiple spatial and temporal scales including hydrology, carbon cycling, wildlife movement, and human transportation. Snow wetness occurs…
NPS | 2017
In 2010, a team of researchers at the University of Washington worked with the NPS to analyze the canopy structure across Crater Lake National Park using lidar data. The data were used to identify…
NPS | 2017
In spring 2017, Denali National Park consulted with the NPS Alaska Regional Office (AKRO) to develop a project for the documentation of the aging Kantishna Roadhouse, a building located near the end…
NPS | 2017
The NPS has partnered with Alaska Biological Research (ABR), Inc., to develop an Alaska-wide map that shows general patterns of snowmelt in the spring at a 30-m (Landsat) scale. This…