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Filtering by: Subject Temperature -- Oregon -- Crater Lake Decade 1970-1979 Resource Type Dissertation

A new model for the formation of Crater Lake Caldera, Oregon

Creator:

Lidstrom, John Walter

Abstract:

During the Pleistocene, an andesitic volcano named Mount Mazama grew to a probable elevation of 3000 meters in south- central Oregon. Near the end of the Pleistocene, three diverse magma types appeared in the eruptive products associated with Mount Mazama: l)High-alumina basaltic andesite magma associated with an early plateau and...

Resource Type:

Dissertation
An investigation into the comparative utility of color infrared aerial photography and LANDSAT data for detailed surface cover type mapping within Crater Lake National Park, Oregon

Creator:

Walsh, Stephen Joseph, 1951-

Abstract:

The identification and mapping of surface cover types within Crater Lake National Park, Oregon, has been effectively completed through the utilization of LANDSAT digital data and NASA U-2 color infrared aerial photography. Classification of LANDSAT data for surface cover type identification and mapping was accomplished through use of the Interactive...

Resource Type:

Dissertation