Aspen Bibliography

Effects of weather and physiographic conditions on temperature and humidity in subalpine watersheds of the Fraser Experimental Forest

Document Type

Article

Journal/Book Title/Conference

Rocky Mountain Forest and Range Experiment Station, Fort Collins, Colo.

Publication Date

1984

Abstract

Air temperatures were observed at upper elevation and valley weather stations in the subalpine forest zone of the central Rocky Mountains, and canopy temperatures in subalpine watersheds were measured with an infrared thermometer on board a helicopter. During most of the daylight hours, upper elevation air and canopy temperatures were similar to air temperature at a centrally located valley weather station after the valley temperatures were adjusted for a standard adiabatic effect of -0.0098°C-m''. However, clouds and thunderstorm activity introduced considerable local variation in canopy temperature. Slope and aspect had little effect on canopy temperature. Cold air drainage reduced nocturnal valley air temperatures by about 7°C after adjusting for adiabatic effects.

Comments

USDA Forest Service Research Paper RM-251

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