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The 1920S Drought Recorded by Tree Rings and Historical Documents in the Semi-Arid and Arid Areas of Northern China

机译:中国北方半干旱和干旱地区年轮和历史文献记载的1920年代干旱

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摘要

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.
机译:我们使用树木年轮数据网络显示,在1920年代和1930年代初,中国北方的大部分地区都有显着的增长下降。这种生长下降表明1920年代和1930年代严重而持续的干旱,然后通过包括水文,气象和文献证据在内的各种历史和文书记录予以证实。从树环网络和历史记录推断,1920年代的干旱不仅对受灾地区的农业生产力,水文资源和社会造成破坏性影响,而且对自然植被也具有破坏性影响。这项研究提供了1920年代至1930年代中国北方干旱灾害的图片,并展示了利用树轮网络在中国北方半干旱和干旱地区识别大规模干旱的空间异常的潜力。

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