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《Journal of Arid Land Resources and Environment》 2008-08
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Palaeoclimate Reflected by Susceptibility of Holocene Loess Section in Jingyang South Plateau of Xi'an Region

LI Bing-cheng1,2,WANG Yan-juan2,HU Pei-hua2(1.State Key Laboratory of Continental Dynamics,Department of Geology,Northwest University,Xi'an 710069,China;2.College of Environment Sciences and Engineering,Chang 'an University,Xi'an 710054,China)  
In order to provide a basis for predicting the future environment development trends of Xi'an area or China and the global,loess deposition age sequence during the Holocene in the region was established by the description of rock characters of loess-palaeosol stratum,the partition and contrast of stratum of typical section in Zhaitou village of Xi'an region Jingyang south plateau.Combined with age measuring of AMS14C and other scholar' testing datums,according to the characters of the curve expressed by substitution indication of climate of susceptibility,the changing regularity of this substitution indication in the section was expound.At the same time,the strength changing characters of winter and summer monsoon in East Asian reflected by the loess section were explored,the characters and laws of environment changing in Xi'an area during the Holocene were demonstrated and minutely analyzed,then the character of the susceptibility curve of this section was compared with temperature curve of sporopollen spectrum established by other scholars.At the same time,on the base of careful analysis and verification to the palaeoclimate stage trait during the Holocene in Xi'an area,7 climate stage nearly 10000 years in Xi'an area could be raised.
【Fund】: 国家自然科学基金资助项目(49971096)资助
【CateGory Index】: P532
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