Evaluation of generalized thresholds in an objective multispectral satellite cloud analysis
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Authors
Neu, Thomas J.
Subjects
Satellite Remote Sensing
Automated Nephanalysis
Multispectral Thresholding
Meteorology
Cloud physics
Automated Nephanalysis
Multispectral Thresholding
Meteorology
Cloud physics
Advisors
Wash, Carlyle H.
Date of Issue
Date
1990-06
Publisher
Monterey, CA; Naval Postgraduate School
Language
en_US
Abstract
An objective algorithm is developed and evaluated for classifying 11 cloud types using a minicomputer. The multispectral technique uses daytime images of A VHRR channel 1 (0.68 ,urn), channel 4 (10.8 ,urn) and channel 5 (12.0 ,urn). Visual reflectance is scaled by the solar zenith angle in order to prepare standardized albedos. Infrared brightness temperatures provide cloud height information through comparison with a representative temperature sounding.
Type
Thesis
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Format
viii, 51 p.: ill.
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Distribution Statement
Approved for public release; distribution is unlimited.