The 1920S Drought Recorded by Tree Rings and Historical Documents in the Semi-Arid and Arid Areas of Northern China |
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| Authors: | Eryuan Liang Xiaohong Liu Yujiang Yuan Ningsheng Qin Xiuqi Fang Lei Huang Haifeng Zhu Lily Wang Xuemei Shao |
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| Institution: | (1) Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, P. R. China;(2) Institute of Tibetan Plateau Research, Chinese Academy of Sciences, P.O. Box 2871, Beijing, 100085, P. R. China;(3) Institute of Desert Meteorology, China Meteorological Administration, Urumqi, 830002, P. R. China;(4) Climate Date Center of Qinghai, Xining, 810001, P. R. China;(5) Beijing Normal University, Beijing, 100875, P. R. China |
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| Abstract: | Using a network of tree-ring data, we show that there had been significant growth decline in the 1920s and early 1930s throughout
a wide area of northern China. This growth depression is indicative of a severe and sustained drought in the 1920s and early
1930s, which was then confirmed with a variety of historical and instrumental records including hydrological, meteorological,
and documentary evidence. The 1920s drought had a devastating effect not only on agricultural productivity, hydrological resources
and society in the affected areas, but also on natural vegetation, as inferred from the tree-ring network and historical records.
This research offers a picture of the drought calamity during the 1920s and early 1930s in northern China, and demonstrates
the potential to identify spatial anomalies of large-scale drought using tree-ring networks in the semi-arid and arid areas
of northern China. |
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