Change in mean and extreme temperature at Yingkou station in Northeast China from 1904 to 2017

Xiaoying Xue, Guoyu Ren (), Xiubao Sun, Panfeng Zhang, Yuyu Ren, Siqi Zhang, Chunyu Zhao and Xiujing Yu
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Xiaoying Xue: China University of Geosciences
Guoyu Ren: China University of Geosciences
Xiubao Sun: Chinese Academy of Sciences
Panfeng Zhang: China University of Geosciences
Yuyu Ren: China Meteorological Administration
Siqi Zhang: China Meteorological Administration
Chunyu Zhao: Shenyang Regional Climate Center
Xiujing Yu: Jilin Climate Center

Climatic Change, 2021, vol. 164, issue 3, No 34, 20 pages

Abstract: Abstract The understanding of centennial trends of extreme temperature has been impeded due to the lack of early-year observations. In this paper, we collect and digitize the daily temperature data set of Northeast China Yingkou meteorological station since 1904. After quality control and homogenization, we analyze the changes of mean and extreme temperature in the past 114 years. The results show that mean temperature (Tmean), maximum temperature (Tmax), and minimum temperature (Tmin) all have increasing trends during 1904–2017. The increase of Tmin is the most obvious with the rate of 0.34 °C/decade. The most significant warming occurs in spring and winter with the rate of Tmean reaching 0.32 °C/decade and 0.31 °C/decade, respectively. Most of the extreme temperature indices as defined using absolute and relative thresholds of Tmax and Tmin also show significant changes, with cold events witnessing a more significant downward trend. The change is similar to that reported for global land and China for the past six decades. It is also found that the extreme highest temperature (1958) and lowest temperature (1920) records all occurred in the first half of the whole period, and the change of extreme temperature indices before 1950 is different from that of the recent decades, in particular for diurnal temperature range (DTR), which shows an opposite trend in the two time periods.

Keywords: Centennial change; Daily data; Temperature; Extreme temperature; Yingkou; Northeast China (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s10584-021-02981-w

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