Urban extent enhances extreme precipitation over the Pearl River Delta, China

The relationship between urban extent and extreme precipitation over the Pearl River Delta in China is evaluated using the Tropical Rainfall Measurement Mission 3B42 precipitation product. The spatial pattern of extreme precipitation indices agrees well with that of the urban extent, with significan...

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Bibliographic Details
Published inAtmospheric science letters Vol. 16; no. 3; pp. 310 - 317
Main Authors Wang, Dagang, Jiang, Peng, Wang, Guiling, Wang, Dashan
Format Journal Article
LanguageEnglish
Published Chichester, UK John Wiley & Sons, Ltd 01.07.2015
John Wiley & Sons, Inc
Subjects
Atmospheric precipitations
Atmospheric sciences
Correlation
correlation coefficient
Datasets
extreme precipitation
Extreme weather
Heat
Pearl River Delta
Precipitation
Rain
Rainfall
Rainfall measurement
Rivers
Studies
Tropical climate
Tropical rainfall
urban extent
Urbanization
Pearl River (China)
China
China, People's Rep., Zhu R
China, People's Rep
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Summary:The relationship between urban extent and extreme precipitation over the Pearl River Delta in China is evaluated using the Tropical Rainfall Measurement Mission 3B42 precipitation product. The spatial pattern of extreme precipitation indices agrees well with that of the urban extent, with significant and positive spatial correlation between the two. The correlation is stronger for extreme indices at shorter temporal scales than for those at longer temporal scales. For example, the coefficient of correlation with the natural logarithm of urban extent is 0.42 for the maximum consecutive 5‐day precipitation amount and reaches 0.74 for the maximum consecutive 3‐h precipitation amount.
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ISSN:1530-261X
1530-261X
DOI:10.1002/asl2.559