[1]ZHANG Jie,ZHOU Zhongfa,PAN Yanxi,et al.Spatiotemporal Variation Characteristics and Environmental Significance of Soil Water Infiltration and Elements in Water Drip in Zhijin Cave[J].Research of Soil and Water Conservation,2017,24(04):355-361.
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Spatiotemporal Variation Characteristics and Environmental Significance of Soil Water Infiltration and Elements in Water Drip in Zhijin Cave

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 24 Number of periods: 2017 04 Page number: 355-361 Column: Public date: 2017-08-28
Title:
Spatiotemporal Variation Characteristics and Environmental Significance of Soil Water Infiltration and Elements in Water Drip in Zhijin Cave
Author(s):
ZHANG Jie1,2, ZHOU Zhongfa1,2, PAN Yanxi1,2, CAO Mingda1,2, Zhang Shaoyun1,2, ZHANG Qiang1,2
1. School of Karst Science, Guizhou Normal University, Guiyang 550001, China;
2. State Engineering Technology Center of Karst Rock Desertification Rehabilitation, Guiyang 550001, China
Keywords:
soil water infiltration; cave drip; element; Zhijin Cave
CLC:
P641.3
DOI:
-
Abstract:
The chemical characteristics of the karst spring water, soil water seepage and cave drip water in Zhijin cave were systematically monitored and analyzed. The results showed that in the karst system of Zhijin cave, the change range of soil water, karst spring water and cave drip water element in one year varied, and the main elements presented the obvious seasonal variation characteristics; in the three types of water, the average concentration of Ca2+ decreased in the sequence: cave drip water > cave spring > soil infiltrating water, the average concentrations of Sr2+, Mg2+ decreased in the order: cave drip water > soil infiltration water > cave spring water, indicating that the changes in all the elements in the karst system may be the result of a variety of other factors; the change of Mg/Ca and Sr/Ca ratios and their correlation reflected the consistent effects of the source, water rock interaction time, and preferentially deposited calcite, therefore this ratio can reflect the change of wet and dry weather outside; the water-soil, water-rock interaction processes in the cave controlled the change of the chemical composition of the drip water. The migration path, the time and the environmental condition of the drip point had different responses to the precipitation. Therefore, when speleothem element geochemical characteristics are used to reflect the changes in the cave environment, it is necessary to comprehensively consider the elements in the water-soil-rock distribution and migration characteristics and their relationships with environmental factors.
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