A flexible and efficient spatial interpolator for radar rainfall estimation

R. J. Waken, Joon Jin Song, Soohyun Kwon, Ki Hong Min, Gyu Won Lee

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

A key challenge in rainfall estimation is spatio-temporal variablility. Weather radars are used to estimate precipitation with high spatial and temporal resolution. Due to the inherent errors in radar estimates, spatial interpolation has been often employed to calibrate the estimates. Kriging is a simple and popular spatial interpolation method, but the method has several shortcomings. In particular, the prediction is quite unstable and often fails to be performed when sample size is small. In this paper, we proposed a flexible and efficient spatial interpolator for radar rainfall estimation, with several advantages over kriging. The method is illustrated using a real-world data set.

Original languageEnglish
Pages (from-to)829-844
Number of pages16
JournalJournal of Applied Statistics
Volume45
Issue number5
DOIs
StatePublished - Apr 4 2018

Keywords

  • deterministic spatial interpolation
  • Radar rainfall estimation
  • spatial prediction
  • spatial-temporal
  • uncertainty quantification

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