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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…
BLM | 2021
Landslides are a major geologic hazard in Oregon. Landslide inventory mapping helps resource managers understand the spatial pattern of existing landslides and provides information to…
BLM | 2021
Coastal erosion, exacerbated by sea-level rise, threatens both infrastructure and natural areas around the world. The King Range National Conservation Area (NCA) is vulnerable to such erosion effects…
BLM | 2021
The emergent proliferation of Synthetic Aperture Radar (SAR) imaging systems, related advancements in image processing and exploitation capabilities, and the increasing availability of analysis-ready…
BLM | 2021
Public lands across the West contain myriad Native American cultural sites that often include surficial stone features such as rings, alignments, and cairns. In 2018, BLM archaeologists from Wyoming’…
BLM | 2021
The invasion of exotic annual grasses is a widespread problem across the western United States. Of particular concern is cheatgrass (Bromus tectorum), which produces continuous mats of fine, highly…
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…