The Spatial-Temporal Variability of Karst Water Chemistry in Houzhai Karst Basin, Guizhou, China

Abstract:

The spatial-temporal variability of karst water chemistry is affected by lithological information, precipitation and agricultural activities. Based on the data of 10 hydro-chemical monitoring stations in Houzhai karst basin from 1989 to 2001, the spatial-temporal variability of karst water chemistry and the relationships between karst water chemistry dynamic and their main control factors were interpreted and analyzed by using the integrating methods of the stochastic theory and geostatistics. The results indicate that the karst water chemistry dynamic of Houzhai karst basin show obvious spatial-temporal distribution characteristics. The temporal variations of main ions are closely related to precipitation. The main ions vary regularly in space because of lithological and karst morphology, but the spatial variations of K⁺, Na⁺ are controlled by agricultural activities.

• Periodical: Applied Mechanics and Materials (Volumes 641-642)
• Pages: 114-118
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.641-642.114
• Online since: September 2014
• Authors: Xian Li*, Yan Qiao Wang, Li Hong Liu
• Keywords: Hydro-Chemical Characteristics, Ion Concentrations, Karst, Spatial-Temporal

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