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Analys av moln och nederbörd genom automatisk klassning av AVHRR-data
SMHI, Core Services.
1981 (Swedish)Report (Other academic)Alternative title
ANALYSIS OF CLOUDS AND PRECIPITATIONTHROUGH AUTOMATED CLASSIFICATIONOF AVHRR DATA (English)
Place, publisher, year, edition, pages
SMHI , 1981. , p. 25
Series
RMK: Report Meteorology and Climatology, ISSN 0347-2116 ; 32
Keywords [sv]
satelliter, TIROS-N, NOOA-6, molnklassificering
National Category
Meteorology and Atmospheric Sciences Climate Research
Research subject
Meteorology; Climate
Identifiers
URN: urn:nbn:se:smhi:diva-2719Local ID: Meteorologi, Rapporter, Serie RMKOAI: oai:DiVA.org:smhi-2719DiVA, id: diva2:948015
Note

A great deal of essential information is lost in the widely used quick-look pictures covering large areas and produced in black and white for visible and infrared radiation. The goal of this study was to find an effectiv way to use cloud information in satellite imagery. Through the interactiv image analysis system at the Swedish Space Corporation it has been possible to make multispectral classification of AVHRR data. This classification of different cloud types provides the forecaster with a cloud image on a colour video display. Different stages of convection in different colours indicates stability and moisture conditions in the troposphere.A qualitative measure of the precipitation intensity has been derived from the satellite imagery of nimbostratus and cumulonimbus.

The classification also implies a very great reduction of the data volume in the satellite imagery . This, in turn makes it possible for remotely situated weather services with telephone connextion to use processed satellite information.

Available from: 1981-09-18 Created: 2016-07-08 Last updated: 2020-02-28Bibliographically approved

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CiteExportLink to record
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Citation style
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