地理科学

地理科学 ›› 2004, Vol. 24 ›› Issue (5): 616-619.doi: 10.13249/j.cnki.sgs.2004.05.616

• 论文 • 上一篇    下一篇

吉林双辽地区风沙堆积古温度研究

李丰江1,2, 邓金宪2, 温泉波2, 陈广善3, 李军敏2   

  1. 1. 中国科学院地质与地球物理研究所, 北京 100029;
    2. 吉林大学地球科学学院, 吉林 长春 130026;
    3. 中国科学院地球环境研究所, 陕西 西安 710075
  • 收稿日期:2003-08-11 修回日期:2004-03-29 出版日期:2004-09-20 发布日期:2004-09-20

Study on Paleotemperature of Aeolian Sediments in Shuangliao Area of Jilin

LI Feng-Jiang1,2, DENG Jin-Xian2, WEN Quan-Bo2, CHEN Guang-Shan3, LI Jun-Min2   

  1. 1. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029;
    2. College of Earth Sciences, Jilin University, Changchun, Jilin 130026;
    3. Institute of Earth Envionment, Chinese Academy of Sciences, Xi'an, Shaanxi 710075
  • Received:2003-08-11 Revised:2004-03-29 Online:2004-09-20 Published:2004-09-20

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13

摘要： 文章根据吉林双辽地区风沙堆积物中的Fe3+/Fe2+值,计算了风沙堆积时的古温度及其变化,结合堆积物的定年数据,建立了该区76.9±6.0~17.8±1.4 ka B.P.期间温度波动旋回。结果表明:这一地质时期吉林双辽地区年均温度变化于1.13 ℃~8.70 ℃之间,整体较现在为低,应为末次冰期影响所致。该研究得到的松辽平原末次冰期的温度数据,为系统建立松辽平原晚更新世古气候年表提供了重要基础资料。

Abstract: Paleotemperature has been calculated in Shuangliao area of Jilin based on Fe3+/Fe2+ values in the aeolian sediments of this region. Combining with the data of thermoluminescence dating, the fluctuation cycle of paleotemperature has been established in this region from 76.9±6.0 ka B.P. to 17.8±1.4 ka B.P. The results indicate that the paleotemperature of this region changes greatly with the minimum value 1.13℃ and the maximum value 8.70℃, but most values are lower than that of today. It can be concluded from the lower paleotemperature and age data that this region was greatly influnced by the last glacier period. This research quantitatively presents the temperature data of the last glacial and provides important information of Late Pleistocene climate condition in Songliao Plain.

中图分类号: 

  • P534.63/P532