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NPS | 2013
One of the key early steps in preparing for sea-level rise and storm surge is ensuring that the geodetic “backbone,” the National Geodetic Survey (NGS) benchmarks, have long-term viability and…
NPS | 2013
Timucuan Ecological and Historic Preserve (TIMU), Jacksonville, FL, contains thousands of acres of healthy and productive salt marsh. These salt marshes provide crucial habitat to a wide variety of…
NPS | 2013
The Alaska Shallow Lake Monitoring Program, part of the NPS Inventory and Monitoring Program, monitors the water quantity and chemistry of shallow lakes along with the composition of the vegetation…
NPS | 2013
The 2010 lidar survey of Crater Lake National Park, Oregon, penetrated forested terrain to reveal surface features of the ignimbrite (pyroclastic flow deposit) from the climactic caldera-forming…
NPS | 2013
NPS used high-resolution IKONOS satellite images and a combination of manual and computer-assisted methods to map slumps and small landslides caused by thaw of permafrost in Alaska's Arctic national…
NPS | 2013
Slumps caused by thaw of permafrost are common in Alaska's Arctic national parks. Slumps often occur near rivers or lakes and can shed significant amounts of sediment into the adjacent water body.…
NPS | 2013
On February 11, 2013, Santa Monica Mountains National Recreation Area (SAMO) staff cheered when we saw rocket contrails from the launch of Landsat 8 a few miles north of the park. Barely 3 months…
NPS | 2011
The Alaska Land Resources Program Center uses orthoimagery available from the Alaska Region's GIS site. Prior to good high-resolution digital orthoimagery, the location of many parcels were drawn…
NPS | 2011
Many parks depend on surveying for activities ranging from locating boundaries and cultural resources to monitoring geomorphological change. Assateague Island National Seashore and Cape Cod…
NPS | 2011
In recent years, the retreat of Exit Glacier has kept Kenai Fjords National Park’s trail crews busy extending trails as they strive to maintain safe visitor access to the edge of the glacier. …
NPS | 2011
The Inventory and Monitoring (I&M) Central Alaska Network stream monitoring program relies heavily on GPS and remote sensing technology. Remotely sensed imagery, particularly IKONOS and…
NPS | 2011
GPS data received by collars on caribou, moose, muskox, and wolves is relayed via communication satellites to the desks of wildlife biologists. This technology allows biologists to track these…