Chinese Science Bulletin

, Volume 58, Issue 12, pp 1363–1373 | Cite as

Urbanization and heterogeneous surface warming in eastern China

  • Kai Wu
  • XiuQun YangEmail author
Open Access
Article SPECIAL ISSUE: Extreme Climate in China


With the homogeneity-adjusted surface air temperature (SAT) data at 312 stations in eastern China for 1979-2008 and the Defense Meteorological Satellite Program/Operational Linescan System (DMSP/OLS) nighttime light data, the spatial heterogeneities of the SAT trends on different scales are detected with a spatial filtering (i.e. moving spatial anomaly) method, and the impact of urbanization in eastern China on surface warming is analyzed. Results show that the urbanization can induce a remarkable summer warming in Yangtze River Delta (YRD) city cluster region and a winter warming in Beijing-Tianjin-Hebei (BTH) city cluster region. The YRD warming in summer primarily results from the significant increasing of maximum temperature, with an estimated urban warming rate at 0.132–0.250°C per decade, accounting for 36%–68% of the total regional warming. The BTH warming in winter is primarily due to the remarkable increasing of minimum temperature, with an estimated urban warming rate at 0.102–0.214°C per decade, accounting for 12%–24% of the total regional warming. The temporal-spatial differences of urban warming effect may be attributed to the variation of regional climatic background and the change of anthropogenic heat release.


heterogeneous surface warming urbanization surface air temperature maximum temperature minimum temperature eastern China 


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Copyright information

© The Author(s) 2013

Authors and Affiliations

  1. 1.Institute for Climate and Global Change Research, School of Atmospheric SciencesNanjing UniversityNanjingChina

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