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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 | 2020
The Everglades National Park (EVER) and Big Cypress National Preserve (BICY) vegetation mapping project is part of the Comprehensive Everglades Restoration Plan, a cooperative effort between the…
NPS | 2020
Physical scientists at Kenai Fjords National Park in Alaska have been using remote sensing methods to monitor an unnamed glacial ice-dammed lake (IDL) and the subsequent glacial lake outburst floods…
NPS | 2020
Dramatic warming in the Arctic is accelerating the melting of snow and ice. The NPS Arctic Inventory and Monitoring Network (ARCN) is using Landsat satellite images to monitor the area of lakes and…
NPS | 2020
The NPS Arctic Inventory and Monitoring Network (ARCN) is using high-resolution satellite images and historical color infrared aerial photographs to monitor the abundance of small landslides…
NPS | 2020
Caribou (Rangifer tarandus) are an iconic species of the north and an integral component of the natural ecosystem and socioeconomic wellbeing of local communities. Alaska is home to 32 different…
NPS | 2020
Many prehistoric sites located throughout Alaska are surface scatters of lithic (rock) debris, either remaining exposed since occupation or re-exposed due to erosion. Due to their open nature, these…
BOR | 2020
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…