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Proceedings Paper

Ground Turbulence At Mauna Kea Observatory: Location And Ground Height For Future Telescopes
Author(s): D. Andre Erasmus; Laird A. Thompson
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Paper Abstract

The turbulent surface boundary layer has been monitored within the summit area of Mauna Kea on the island of Hawaii. Measurements were made using three meteorological towers instrumented with microthermal sensors at three levels, ambient temperature sensors at two levels, and anemometers at two levels. Spectra of the temperature fluctuations were also measured. The spatial and temporal variations in microthermal activity associated with ground turbulence are quantified and explained. From these findings, the best locations and ground heights for telescope facilities are determined. The relative importance of turbulence near the ground in the degradation of image quality is deduced.

Paper Details

Date Published: 20 August 1986
PDF: 8 pages
Proc. SPIE 0628, Advanced Technology Optical Telescopes III, (20 August 1986); doi: 10.1117/12.963522
Show Author Affiliations
D. Andre Erasmus, University of Hawaii (United States)
Laird A. Thompson, University of Hawaii (United States)

Published in SPIE Proceedings Vol. 0628:
Advanced Technology Optical Telescopes III
Lawrence D. Barr, Editor(s)

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