Adjustment of the Convective-Stratiform Technique (CST) to estimate 1991/93 El Nino rainfall distribution in Ecuador and Peru by means of Meteosat-3 IR data

被引：16

作者：

Bendix, J

机构：

[1] Department of Geography, University of Bonn, Bonn, D-53115

来源：

INTERNATIONAL JOURNAL OF REMOTE SENSING | 1997年 / 18卷 / 06期

关键词：

D O I：

10.1080/014311697218502

中图分类号：

TP7 [遥感技术];

学科分类号：

081102 ; 0816 ; 081602 ; 083002 ; 1404 ;

摘要：

This Letter describes the adjustment of the Convective-Stratiform Technique (CST) to estimate 1991-93 El Nino rainfall in Ecuador and Peru by means of IR radiation data recorded by the Meteosat-3 VISSR sensor. The adjustment includes (1) a regionalization of a one-dimensional cloud model using local radiosonde data, (2) a field-of-view correction of the VISSR-derived cloud top temperature to model requirements and(3) an adapted discrimination scheme between raining and non-raining clouds. Validation reveals a strong correlation between calculated and observed rainfall for all climatic regimes and rainfall intensities within the study area.

引用

页码：1387 / 1394

页数：8

共 12 条

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