Wednesday, May 15, 2013

Urbanization and surface warming in eastern China

Space Daily via SPX: A recent study indicated that the urbanization in eastern China has significant impact on the observed surface warming and the temporal-spatial variations of urbanization effect have been comprehensively detected.

This work was led by YANG XiuQun, professor of meteorology in the Institute for Climate and Global Change Research, School of Atmospheric Sciences at Nanjing University. The article entitled "Urbanization and heterogeneous surface warming in eastern China" was published in Chinese Science Bulletin, 2013, No. 12.

Urbanization, as one of the most significant processes in land use/cover change, can not only alter surface vegetation distribution, but also affect surface energy and water balance.

Some previous studies indicated that urbanization has little impact on surface warming. However, recent investigations have suggested that urbanization plays an essential role in regional climate change.

China has been experiencing intensive urbanization since the 1980s. Due to close ties in social and economic aspects, single cities have expanded to form distinctive city clusters in eastern China, such as the Beijing-Tianjin-Hebei (BTH), Yangtze River Delta (YRD) and Pearl River Delta (PRD) city clusters...

This shows moving spatial anomalies of seasonal mean surface air temperature trends for three types of filtering window sizes (?: 8 + 8 , ?: 12 + 12 , ?: 16 + 16 ) for (a) summer and (b) winter (Unit: C per decade). Credit: Science China Press.


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