Validation of satellite rainfall products over Greece

被引：69

作者：

Feidas, H. ^{[1
]}

机构：

[1] Aristotle Univ Thessaloniki, Dept Meteorol & Climatol, Thessaloniki 54124, Greece

来源：

THEORETICAL AND APPLIED CLIMATOLOGY | 2010年 / 99卷 / 1-2期

关键词：

GLOBAL PRECIPITATION; GAUGE OBSERVATIONS; PART II; TRMM; GPCP; AFRICA;

D O I：

10.1007/s00704-009-0135-8

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

Six widely available satellite precipitation products were extensively validated and intercompared on monthly-to-seasonal timescales and various spatial scales, for the period 1998-2006, using a dense station network over Greece. Satellite products were divided into three groups according to their spatial resolution. The first group had high spatial (0.5A degrees) resolution and consists only of Tropical Rainfall Measuring Mission (TRMM) products: the TRMM Microwave Imager (TMI) precipitation product (3A12) and the TRMM multisatellite precipitation analysis products (3B42 and 3B43). The second group comprised products with medium spatial (1A degrees) resolution. These products included the TRMM 3B42 and 3B43 estimates (remapped to 1A degrees resolution) and the Global Precipitation Climatology Project one-degree daily (GPCP-1DD) analysis. The third group consisted of low spatial (2.5A degrees) resolution products and included the 3B43 product (remapped to 2.5A degrees resolution), the GPCP Satellite and Gauge (GPCP-SG) product, and the National Oceanographic and Atmospheric Administration Climate Prediction Center (NOAA-CPC) Merged Analysis (CMAP). Rain gauge data were first gridded and then compared with monthly and seasonal precipitation totals as well as with long-term averages of the six satellite products at different spatial resolutions (2.5A degrees, 1A degrees, and 0.5A degrees). The results demonstrated the excellent performance of the 3B43 product over Greece in all three spatial scales. 3B42 from the first and second group and CMAP from the third exhibited a reasonable skill.

引用

页码：193 / 216

页数：24

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