Evaluation of the TRMM 3B42 product for extreme precipitation analysis over southwestern Iran

Mohammad Sadegh Keikhosravi Kiany, Seyed Abolfazl Masoodian, Robert C. Balling, Majid Montazeri

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The goal of this study is to examine the capability of the TRMM 3B42 product to detect spatial and temporal patterns in extreme precipitation events over southwestern Iran during the period of 1998–2016. A ground-based gridded precipitation dataset was created using a dense network of surface observations for the evaluation process. Various extreme precipitation indices in the three categories of fixed threshold indices, grid-related threshold indices, and non-threshold indices were examined and compared with the ground-based gridded precipitation dataset. The findings suggest that the TRMM 3B42 product is able to capture the spatial and temporal behavior of many extreme indices especially for fixed and non-threshold indices. In terms of the spatial error metrics, the satellite product has better performance over mid-elevated areas in the south and southeastern parts of the study region.

Original languageEnglish (US)
Pages (from-to)2094-2112
Number of pages19
JournalAdvances in Space Research
Volume66
Issue number9
DOIs
StatePublished - Nov 1 2020

Keywords

  • Extreme precipitation
  • Southwestern Iran
  • TRMM 3B42

ASJC Scopus subject areas

  • Aerospace Engineering
  • Astronomy and Astrophysics
  • Geophysics
  • Atmospheric Science
  • Space and Planetary Science
  • Earth and Planetary Sciences(all)

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