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BLM | 2017
The BLM National Operations Center (NOC) has partnered with the BLM Arizona State Office and the Safford Field Office to document and measure the impacts of the HX Dam failure, which occurred in June…
BLM | 2017
The BLM is employing high-resolution commercial satellite imagery as a pilot effort to map saguaro locations within Sonoran Desert National Monument, Arizona. Saguaro are a distinctive cactus species…
BLM | 2017
Hillshades are useful in depicting additional details in terrain and emphasizing variation in topography, which contributes to effective cartographic interpretation. However, digital hillshade…
BLM | 2017
The BLM National Operations Center (NOC) regularly assists field offices with photogrammetric and remote sensing projects involving Unmanned Aerial Systems (UAS) in a variety of natural resource…
BLM | 2017
Located 15 mi east of Rock Springs, Wyoming (41.6641°, -108.9526°) the Pierotto irrigation diversion on Bitter Creek is threatened by stream erosion and undercutting. The diversion was constructed in…
BLM | 2017
The BLM uses Google Earth Engine (GEE) to leverage remote sensing data for resource management across multiple geographic scales. GEE provides a cloud computing architecture for accessing, processing…
BLM | 2017
The BLM has instituted field-based Assessment, Inventory and Monitoring (AIM) methods to characterize ecosystem condition and trends for public lands. AIM provides a statistically valid sampling…
USGS | 2017
Barrier islands are dynamic environments due to their position at the land-sea interface. Storms, waves, tides, currents, and relative sea-level rise are powerful forces that shape barrier island…
USGS | 2017
Marsh canopy structure indicators of leaf area index (LAI) and leaf angle distribution (LAD) were mapped yearly from 2009 to 2012 in the Barataria Bay, Louisiana, coastal region – an area severely…
USGS | 2017
The USGS has produced datasets that contain probabilities of hurricane-induced erosion for each 1-km section of the Gulf of Mexico coast in response to category 1–5 hurricanes. The analysis is based…
USGS | 2017
An automated shoreline identification method was developed using standard image processing, geographic information system (GIS) techniques (https://woodshole.er.usgs.gov/project-pages/DSAS/version4…
USGS | 2017
Substantial loss of coastal wetland caused by the Deepwater Horizon (DWH) oil spill was documented for the first time in recent publications (http://onlinelibrary.wiley.com/doi/10.1002/2016GL070624/…