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RECORD NUMBER: 586 OF 1626

Main Title Effects of numbers, sizes and crystal structures on measurements of ice hydrometeors /
Author Berthel, R. O.
Publisher Geophysics Laboratory, United States Air Force,
Year Published 1990
Report Number GL TR 90-72; ADA 224389; GL-TR-90-0072
OCLC Number 368410370
Subjects Cloud physics ; Precipitation (Meteorology) ; Crystals--Structure ; Ice ; Hydrometeorology
Holdings
Library Call Number Additional Info Location Last
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Status
EKBD  GL-TR-90-0072 Research Triangle Park Library/RTP, NC 02/22/1991
Collation vi, 21 pages : illustrations ; 28 cm
Notes "28 March 1990." ADA224389 (from http://www.dtic.mil). Atmospheric Sciences Division Project 6670. Research supported by the Geophysics Laboratory, United States Air Force, Hanscom AFB, Massachusetts. Includes bibliographical references (page 21).
Contents Notes Simulated measurements of assumed ice hydrometeor environments generate number-size distributions similar to those from in situ measurements even to the point of reproducing several inconsistencies often found in actual data. This report describes the computer fabrication of ice hydrometeors composed of single columns and combinations of columns with random spatial orientation and the simulated measuring of those particles by PMS 1-D instruments. Varying effects on distribution shapes are demonstrated by using different assumptions of particle number and sizes. Efforts were concentrated on exploring the problems of deficient number counts in the first or first few classes of precipitation probe data, non-compatible number concentrations from the cloud and precipitation probes, and the apparent existence of a few large particles that are not consistent with the rest of the distribution. This investigation indicates that the numbers, sizes, crystalline structures, and spatial positioning of hydrometeors may be the cause of these effects.
Place Published Hanscom AFB, Mass.
Corporate Au Added Ent Geophysics Laboratory (U.S.),
Title Ser Add Ent Environmental research papers (Hanscom AFB, Mass.) ; no. 1060.; GL-TR ; 90-0072.
PUB Date Free Form 1990
Series Title Traced Environmental research papers ;
Series Title Untraced Environmental Research Papers ; No. 1060\ GL- TR ; 90-0072
BIB Level m
Medium unmediated
Content text
Carrier volume
Cataloging Source OCLC/T
Merged OCLC records 22497336; 1035880440
OCLC Time Stamp 20161205062131
Language eng
SUDOCS Number D 301.45/39:1060
Origin OCLC
Type CAT
OCLC Rec Leader 03103cam 2200541Ii 45110