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INTERAGENCY AGREEMENT BETWEEN NATIONAL PARK SERVICEInteragency Agreement • April 19th, 2005
Glacier changes in the mountains of the Kenai Peninsula, Alaska, have been analyzed in the Harding Icefield and the Grewingk-Yalik Glacier Complex in Kenai Fjords National Park (KEFJ). Glaciers that originate in the park, and flow outside of the park are also included. The Harding Icefield spawns more than 38 glaciers of which some are tidewater and others are land-based, or wholly or partially terminate in lakes. We used Landsat Multispectral Scanner (MSS), Thematic Mapper (TM) and Enhanced Thematic Mapper Plus (ETM+) scenes to outline glacier areas and terminus positions on four scenes. Glacier outlines were done using vector segments to produce shape files for the Geographic Information System (GIS) analysis. Results show that most of the glaciers in KEFJ have receded since 1973, some dramatically. These results are generally consistent with results from extensive work done in the 1990s on the Harding Icefield by previous researchers. For this project, we derived GIS shape files,
