Correction of TRMM 3B43 monthly precipitation data over the mountainous areas of Peru during the period 1998-2007

Thomas Condom, Pedro Rau, Jhan Carlo Espinoza

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135 Scopus citations

Abstract

In an attempt to estimate the spatial and temporal behaviour of rainfall over the mountainous areas of the Peruvian Andes, a new in situ monthly rainfall dataset has been collected (1998-2007) and compared with Tropical Rainfall Measuring Mission (TRMM) 3B43 monthly precipitation data for regions located above 3000 m. The reliability of the TRMM 3B43 data varies depending on the root mean squared error ratio (%RMSE) and correlation coefficient. Because of the discrepancy between the two datasets, the use of additive and multiplicative correction models is proposed for the TRMM 3B43 data. In the Peruvian mountain ranges, these correction models better approximate TRMM rainfall monthly values, as already verified for annual values.

Original languageEnglish
Pages (from-to)1924-1933
Number of pages10
JournalHydrological Processes
Volume25
Issue number12
DOIs
StatePublished - 15 Jun 2011
Externally publishedYes

Keywords

  • Andes
  • Peru
  • Rainfall
  • TRMM 3B43

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