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Volume 30 Issue 2
Jun.  2011
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Article Navigation >  CARSOLOGICA SINICA  > 2011  >  30(2): 193-199
XIANG Xiao-jing, LI Ting-yong, WANG Jian-li, LI Jun-yun, CHEN Yun-xuan, ZHOU Fu-li, ZHANG Tian-wen, BAI Ying. Geochemical characteristics of the overlying bedrock and soil, and its impact on hydro-chemistry of the drip waters in the Furong Cave, Chongqing[J]. CARSOLOGICA SINICA, 2011, 30(2): 193-199. doi: 10.3969/j.issn.1001-4810.2011.02.012
Citation: XIANG Xiao-jing, LI Ting-yong, WANG Jian-li, LI Jun-yun, CHEN Yun-xuan, ZHOU Fu-li, ZHANG Tian-wen, BAI Ying. Geochemical characteristics of the overlying bedrock and soil, and its impact on hydro-chemistry of the drip waters in the Furong Cave, Chongqing[J]. CARSOLOGICA SINICA, 2011, 30(2): 193-199. doi: 10.3969/j.issn.1001-4810.2011.02.012
shu

Geochemical characteristics of the overlying bedrock and soil, and its impact on hydro-chemistry of the drip waters in the Furong Cave, Chongqing

doi: 10.3969/j.issn.1001-4810.2011.02.012
  • 1.

    School of Geographical Science, Southwest University

  • 2.

    School of Geographical Science, Southwest University；State Key Lab of Loess and Quaternary Geology, Institute of Earth and Environment Research, CAS；Key Laboratory of Eco-environments in Three Gorges Reservoir Region

  • 3.

    School of Geographical Science, Southwest University；Key Laboratory of Eco-environments in Three Gorges Reservoir Region

  • Received Date: 2011-01-22
  • Publish Date: 2011-06-25
    Abstract
  • Based on element analysis on the overlying bedrock and soil and system monitoring on cations concentration in spring water, soil infiltrating water and cave drip water in the Furong Cave, Chongqing, it is found that the concentration of Ca2+, Mg2+, Sr2+ and SO42- have obvious differentiation during the processes of migration among bedrock, soil and water in epikarst zone. The average mass ratio of Ca2+、Mg2+ and Sr2+ is 239 949 ppm, 129 607 ppm and 123 ppm respectively in bedrocks; 37 458 ppm, 28 360 ppm and 49 ppm in soil; 25.55 mg/L, 11.04 mg/L and 0.026 mg/L in soil infiltrating water; 64.37 mg/L, 37.87 mg/L and 0.044 mg/L in cave drip water. Ca, Mg and Sr appear significant eluviation and illuviation on the soil profiles and their content directly control the concentration of corresponding element in soil infiltrating water. Additionally, as the mass source of soil, element composition in the bedrocks have considerable impact on the element content in soil and soil infiltrating water as well as cave drip water. Different cave drip waters have different transfer routes, transfer periods and environmental conditions. So, the migration process and distribution feature in bedrock-soil-water of each element and environment conditions should be considered in the reconstruction of environmental changes with the proxies of elements in speleothems.

     

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