JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI ›› 2013, Vol. 30 ›› Issue (11): 11-15.DOI: 10.3969/j.issn.1001-5485.2013.11.0032013,30(11):11-15,19

• Orignal Article • Previous Articles     Next Articles

Summer Asian-Pacific Oscillation Index Variations during the Past Century Recorded in Pinus tabulaeformis Tree-ring at Xiaowutai Mountain

WAN Jin-hong1,3, YANG Zhi-yong2,ZHANG Bao-wei4,LIU He-ping5, FANG Hong-yang2,6,LI Yun-peng1,3, ZHANG Nian-qiang1,3, LIU Jian-gang1,3   

  1. 1.Water History Department of IWHR, Beijing 100038,China;
    2.State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin of IWHR, Beijing 100038, China;
    3.Research Center on Flood and Drought Disaster Reduction of MWR, Beijing 100048,China;
    4.Office of State Flood Control and Drought Relief Headquarters, Beijing100053,China;
    5.Hydrology and Water Resources Survey Bureau of Liaoning Province, Shenyang110003, China;6.School of Water Conservancy and Electric Power,Hebei University of Engineering,Handan 056038,China
  • Received:2012-12-06 Revised:2013-11-07 Online:2013-11-30 Published:2013-11-07

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Abstract: Summer Asian-Pacific Oscillation Index (IAPO) is a good indicator of summer monsoon precipitation variations in east China. With the tree-ring width index as proxy data, significant correlation is found between the radial growth of Pinus tabulaeformis and the meteorological data (temperature and precipitation) in spring and summer. On this basis, the summer IAPO sequence in the past hundred years (1914 - 2006) is reconstructed by using

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