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Evaluation of summer precipitation over Far East Asia and South Korea simulated by multiple regional climate models
Author(s) -
Park Changyong,
Cha DongHyun,
Kim Gayoung,
Lee Gil,
Lee DongKyou,
Suh MyoungSeok,
Hong SongYou,
Ahn JoongBae,
Min SeungKi
Publication year - 2019
Publication title -
international journal of climatology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.58
H-Index - 166
eISSN - 1097-0088
pISSN - 0899-8418
DOI - 10.1002/joc.6331
Subject(s) - downscaling , climatology , precipitation , climate model , environmental science , general circulation model , horizontal resolution , meteorology , atmospheric model , climate change , atmospheric sciences , geography , geology , oceanography
Abstract The evaluation of climate model performance is necessary to enhance the reliability of available models. Recently, the interest in the added value has been increasing due to the continued enhancement of the horizontal model resolution for dynamical downscaling. We have examined the simulation performance of regional climate models (RCMs) forced by two global climate models (GCMs) for summer precipitation over Far East Asia and South Korea on the basis of spatial resolution improvement. In terms of model resolution, coarse‐resolution RCMs present limitations, whilst high‐resolution RCMs offer the added value as revealed by several performance evaluations. RCMs forced by HadGEM2‐AO estimated smaller summer precipitation over South Korea than those observed, whereas RCMs forced by MPI‐ESM‐LR presented a wet bias. Here, moderate‐heavy rain in RCMs forced by HadGEM2‐AO and light‐moderate rain in RCMs forced by MPI‐ESM‐LR were found to lead to dry and wet biases, respectively.

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