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Techniques for the automated observation of clouds / James I. Metcalf

Author
Metcalf, James I.
Published
Hanscom AFB, Massachusetts : Air Force Geophysics Laboratory, Air Force Systems Command, United States Air Force, 1985.
Physical Description
iv, 18 pages : illustrations ; 28 cm.
Additional Creators
U.S. Air Force Geophysics Laboratory. Atmospheric Sciences Division

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Summary
This report surveys techniques for cloud detection to assess their suitability for meeting the requirements of the Automated Observation System (AOS). A microwave sensor is essential because of the requirements for observing cloud top heights and documenting multiple cloud layers. Wavelengths between 3 cm and 8.6 mm could be used for this application, and a detailed sensor design study is recommended to evaluate the availability, cost, performance, and reliability of components and systems. Pulsed or continuous-wave radars could meet most of the requirements, although measurements of cloud base with high accuracy at low altitude may be difficult with some pulsed systems. Keywords: Cloud base; Ceilometer; Cloud amount; Automated cloud observation; Remote detection; Ka band radar; X band radar; Lidar.
Report Numbers
D 301.45/4:85-0253
AFGL TR 85-253
ADA 165573
Subject(s)
Related Titles
Technical report archive and image library
Note
Cover title.
Distributed to depository libraries in microfiche.
"10 October 1985."
"Atmospheric Sciences Division Project 6670."
Bibliography Note
Includes bibliographical references (pages 17-18).
Type of Report and Period Covered Note
Scientific final.
Reproduction Note
Microfiche. Washington, D.C. : U.S. G.P.O., 1986. 1 microfiche : negative ; 11 x 15 cm.
Funding Information
62101F, 6670, 19, 03.
Action Note
committed to retain. Federal Depository Library Program (FDLP). For information on our retention commitment, please contact Microforms and Government Information.
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