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A diagnostic scheme for global preci...

Rose, Brian Edward James.

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A diagnostic scheme for global precipitation based on vertical motion.

Record Type:	Electronic resources : Monograph/item
Title/Author:	A diagnostic scheme for global precipitation based on vertical motion./
Author:	Rose, Brian Edward James.
Description:	103 p.
Notes:	Source: Masters Abstracts International, Volume: 41-06, page: 1744.
Contained By:	Masters Abstracts International41-06.
Subject:	Physics, Atmospheric Science. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MQ78951
ISBN:	0612789519

A diagnostic scheme for global precipitation based on vertical motion.
Rose, Brian Edward James.

A diagnostic scheme for global precipitation based on vertical motion. - 103 p.

Source: Masters Abstracts International, Volume: 41-06, page: 1744.

Thesis (M.Sc.)--McGill University (Canada), 2002.

The relationship between precipitation and atmospheric vertical motion is investigated over the globe. By combining and averaging precipitation rates within small ranges of vertical motion, the mean precipitation rate is found to vary smoothly with vertical motion. The relationship is modelled with a simple function that assumes zero precipitation for subsidence and linearly increasing precipitation for ascending motion. Function parameters are computed from NCEP reanalysis data individually for every grid point and every calendar month. Variations in the slope account for geographical and seasonal variations in moisture and other precipitation factors.

ISBN: 0612789519Subjects--Topical Terms:

1019431
Physics, Atmospheric Science.

A diagnostic scheme for global precipitation based on vertical motion.
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008 130610s2002 eng d
020 $a 0612789519
035 $a (UnM)AAIMQ78951
035 $a AAIMQ78951
040 $a UnM $c UnM
100 1 $a Rose, Brian Edward James. $3 1900030
245 1 0 $a A diagnostic scheme for global precipitation based on vertical motion.
300 $a 103 p.
500 $a Source: Masters Abstracts International, Volume: 41-06, page: 1744.
500 $a Adviser: Charles A. Lin.
502 $a Thesis (M.Sc.)--McGill University (Canada), 2002.
520 $a The relationship between precipitation and atmospheric vertical motion is investigated over the globe. By combining and averaging precipitation rates within small ranges of vertical motion, the mean precipitation rate is found to vary smoothly with vertical motion. The relationship is modelled with a simple function that assumes zero precipitation for subsidence and linearly increasing precipitation for ascending motion. Function parameters are computed from NCEP reanalysis data individually for every grid point and every calendar month. Variations in the slope account for geographical and seasonal variations in moisture and other precipitation factors.
520 $a At each grid point, the scheme diagnoses precipitation rate from a single concurrent value of vertical motion. It is shown to have moderate skill over climatology in predicting mean monthly precipitation. Midlatitudes, oceans and the winter season are favoured. The scheme is designed to extract precipitation fields from a dry GCM. Application to climate modeling is discussed.
590 $a School code: 0781.
650 4 $a Physics, Atmospheric Science. $3 1019431
690 $a 0608
710 2 0 $a McGill University (Canada). $3 1018122
773 0 $t Masters Abstracts International $g 41-06.
790 1 0 $a Lin, Charles A., $e advisor
790 $a 0781
791 $a M.Sc.
792 $a 2002
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MQ78951