Construction of a surface air temperature series for Qingdao in China for the 
period 1899 to 2014

Tinz, Birger; von Storch, Hans; Li, Y.; Wang, Q.; Zhou, Q.; Zhu, Y.

doi:10.5194/essd-10-643-2018

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Construction of a surface air temperature series for Qingdao in China for the period 1899 to 2014

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Tinz, B., von Storch, H., Li, Y., Wang, Q., Zhou, Q., & Zhu, Y. (2018). Construction of a surface air temperature series for Qingdao in China for the period 1899 to 2014. Earth System Science Data, 10, 643-652. doi:10.5194/essd-10-643-2018.

Cite as: https://hdl.handle.net/21.11116/0000-0003-E429-E

Abstract

Abstract. We present a homogenized surface air temperature (SAT) time series at 2 m height for the city of Qingdao in China from 1899 to 2014. This series is derived from three data sources: newly digitized and homogenized observations of the German National Meteorological Service from 1899 to 1913, homogenized observation data of the China Meteorological Administration (CMA) from 1961 to 2014 and a gridded dataset of Willmott and Matsuura (2012) in Delaware to fill the gap from 1914 to 1960. Based on this new series, long-term trends are described. The SAT in Qingdao has a significant warming trend of 0.11 ± 0.03 °C decade−1 during 1899–2014. The coldest period occurred during 1909–1918 and the warmest period occurred during 1999–2008. For the seasonal mean SAT, the most significant warming can be found in spring, followed by winter. The homogenized time series of Qingdao is provided and archived by the Deutscher Wetterdienst (DWD) web page under overseas stations of the Deutsche Seewarte (http://www.dwd.de/EN/ourservices/overseas_stations/ueberseedoku/doi_qingdao.html) in ASCII format. Users can also freely obtain a short description of the data at https://doi.org/https://dx.doi.org/10.5676/DWD/Qing_v1
And the data can be downloaded at http://dwd.de/EN/ourservices/overseas_stations/ueberseedoku/data_qingdao.txt.