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Implications of temporal change in urban heat island intensity observed at Beijing and Wuhan stations
Laboratory for Climate Studies, National Climate Center, China Meteorological Administration, Beijing, China
Laboratory for Climate Studies, National Climate Center, China Meteorological Administration, Beijing, China
Wuhan Regional Climate Center, China Meteorological Administration, Wuhan, China
Laboratory for Climate Studies, National Climate Center, China Meteorological Administration, Beijing, China
Temporal change in urbanization-induced warming at two national basic meteorological stations of China and its contribution to the overall warming are analyzed. Annual and seasonal mean surface air temperature for time periods of 1961∼2000 and 1981∼2000 at the two stations of Beijing and Wuhan Cities and their nearby rural stations all significantly increase. Annual and seasonal urbanization-induced warming for the two periods at Beijing and Wuhan stations is also generally significant, with the annual urban warming accounting for about 65∼80% of the overall warming in 1961∼2000 and about 40∼61% of the overall warming in 1981∼2000. This result along with the previous researches indicates a need to pay more attention to the urbanization-induced bias probably existing in the current surface air temperature records of the national basic stations.
Received 25 August 2006; accepted 5 February 2007; published 8 March 2007.
Citation: (2007), Implications of temporal change in urban heat island intensity observed at Beijing and Wuhan stations, Geophys. Res. Lett., 34, L05711, doi:10.1029/2006GL027927.
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