Exploratory Precipitation in North-Central China during the Past Four Centuries

查看全文 作　　者：YI [1,2,5]Liang;YU [3]Hongjun;[3]XUXingyong;YAO [3]Jing;SU [3]Qiao;GE [4,5]Junyi

机构地区：[1]Yantai Institute of Coastal Zone Research for Sustainable Development, Chinese Academy of Sciences, Yantai, Shandong 264003, China;[2]Institute of Oceanology, Chinese Academy of Sciences, Qingdao, Shandong 266071, China;[3]First Institute of Oceanography, State Oceanic Administration, Qingdao, Shandong 266061, China;[4]Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, Shaanxi 710075, China;[5]Graduate School of Chinese Academy of Sciences, Beijing 100039, China

出　　处：《Acta Geologica Sinica(English Edition)》索引2010年第84卷第1期,共7页

基　　金：supported by the National Natural Science Foundation of China (No. 40576035), IGCP464;Chinese Offshore Investigation and Assessment (No. 908-01-ZH2) 摘　　要：Two robust precipitation reconstructions were conducted by combining tree-ring chronologies, dryness/wetness indices from historical documents, and climate data from the global grid. It was found that the recurrent drought history of a region can help us understand the variability of precipitation. Several dry/wet periods during the past four centuries and potential cycles of precipitation variation were determined. Furthermore, the reconstructions are not only consistent well with each other in North-central China, but also in good agreement with variations of precipitation in northeastern Mongolia, the Longxi area in Gangsu Province and the Dulan area of Qinghai Province, and the snow accumulation of the Guliya glacier. These synchronous variations indicate that it is valuable to study various climate records, find common information and determine the driving force of climate change. 关键词：降水变率中国中北部历史文献树木年轮数据网格全球气候变化周期

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Exploratory Precipitation in North-Central China during the Past Four Centuries

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