Search
NPS | 2016
In the summer of 2015 Crater Lake National Park (CRLA) hosted a research fellow with the George Melendez Wright Young Leaders in Climate Change program; Donal O’Leary, then a Masters student in…
NPS | 2016
The length and warmth of the growing season is changing in arctic Alaska, with important implications for wildlife and overall ecosystem productivity. The NPS in Alaska is using eMODIS (EROS MODIS)…
NPS | 2016
Water clarity is a key water-quality property in salmon-bearing lakes. Decreases in water clarity due to increases in glacial runoff have been shown to reduce salmon production by lowering the…
NPS | 2016
The current rapid retreat of glaciers in Kenai Fjords National Park (KEFJ) results in dramatic landscape change on a shorter time scale than is observed in many other parts of the country. Park…
NPS | 2016
Reductions in the duration of annual lake ice cover in Alaska are expected to produce profound environmental changes. These include biological productivity changes in aquatic and terrestrial…
NPS | 2016
A heavy rain event on August 18, 2015, triggered two landslides in the southeastern Alaska community of Sitka. The slides claimed three lives and caused substantial damage to property and…
NPS | 2012
The Great Smoky Mountains National Park is collecting light detection and ranging (lidar) data in partnership with the State of North Carolina and the U.S. Geological Survey (USGS) to develop high-…
NPS | 2012
The topography of many Alaskan national parks has changed greatly over the last 50 years primarily because of glacier retreat and downwasting (thinning). Glaciers have downwasted as much as 640 m and…
NPS | 2012
Snow cover plays a major role in the energy and freshwater balances of Alaska, and variability in snow cover extent and duration are climatologically important. The Southwest Alaska Network Inventory…
NPS | 2012
Warming in the northern high latitudes is expected to alter freeze and break-up dates of lake ice, affecting lake ecosystems, wildlife migration and habitat, human subsistence, and recreation. …
NPS | 2012
The National Park Service (NPS) Arctic Inventory and Monitoring Network (ARCN) is concerned with understanding widespread ecological changes in the northern Alaskan national parks. Repeat…
NPS | 2012
The lowlands of the NPS ARCN, like much of the arctic and subarctic, have extensive areas of lakes and ponds. According to the National Hydrography Dataset (USGS NHD 2012) there are approximately 1,…