Journal cover Journal topic
Earth System Science Data The Data Publishing Journal
Earth Syst. Sci. Data, 10, 643-652, 2018
https://doi.org/10.5194/essd-10-643-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
 
28 Mar 2018
Construction of a surface air temperature series for Qingdao in China for the period 1899 to 2014
Yan Li1, Birger Tinz2, Hans von Storch3, Qingyuan Wang4, Qingliang Zhou5, and Yani Zhu5 1National Marine Data and Information Service, Tianjin, People's Republic of China
2German Meteorological Service, Hamburg, Germany
3Helmholtz-Zentrum Geesthacht, Centre for Materials and Coastal Research, Hamburg, Germany
4Tianjin Meteorological Observatory, Tianjin, People's Republic of China
5China Meteorological Administration, Beijing, People's Republic of China
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.
Citation: Li, Y., Tinz, B., von Storch, H., Wang, Q., Zhou, Q., and Zhu, Y.: Construction of a surface air temperature series for Qingdao in China for the period 1899 to 2014, Earth Syst. Sci. Data, 10, 643-652, https://doi.org/10.5194/essd-10-643-2018, 2018.
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Short summary
In order to construct a long-term homogeneous surface air temperature (SAT) series (more than 100 years), based on quality control, interpolation and homogeneity methods, we objectively establish a set of homogenized monthly SAT series in Qingdao, China from 1899 to 2014. Then long-term climate change trends can be described. The SAT in Qingdao has a notable warming of 0.11 °C per decade during 1899–2014. The coldest period occurred in 1909–1918 and the warmest period occurred in 1999–2008.
In order to construct a long-term homogeneous surface air temperature (SAT) series (more than...
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