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Preliminary Studies on Holocene Climatic In Fuping,Shaanxi Province

LI Bing-cheng1,2   

  1. 1. Department of Geology,Northwest University,Xi’an 710069,China;2. School of Environment Sciences and Engineering,Chang’an University,Xi’an 710054,China
  • Received:2004-07-17 Revised:1900-01-01 Online:2005-05-26 Published:2005-05-26
  • Contact: LI Bing-cheng

Abstract: With the intention to comprehend the evolution characteristics of the prehistoric climate change of Holocene in the middle area of the loess plateau, the author divides the sporopollen diagram into three different zones according to the geological investigation, intensive sampling collected and sporopollen analysis of thirtyone samples from the cross section in the Fuping area, Shaanxi Province. These three zones represent early, middle and later periods respectively. The first zone is a combinatorial zone of PinusCompositae Typha, with the herbaceous plant pollen predominating and with high content of conifer pollen. The second zone is also a combinatorial zone of Pinus Quercus ArtemisiaConcentricystes,being characterized by increasing of arbor pollen and the decreasing of herbaceous pollen. The third is named as a combinatorial zone of Quercus Pinus Artemisia which is marked by herbal pollen increasing and arbor pollen decreaing. The result indicates that the vegetation of the early Holocene was a forest grassland-dry grassland, whose climate was dry and cool-dry and chill. The vegetation of the middle Holocene was forest grassland and aciculignosa and aeslilignosa grassland, and the climate was warm and wet. The vegetation of late Holocene was forest grassland and the climate was droughty and warmer or cool and droughty

Key words: paleo climatic, Holocene, Fuping of Shaanxi Province

CLC Number: 

  • P532
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