Spatial Variability Analysis of Permeability Coefficient in Aksu River Basin

China Rural Water and Hydropower ›› 2021 ›› (1) : 64-70.

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Abstract

In order to evaluate the groundwater resources of Aksu River Basin reasonably, the spatial variability and structural analysis of the permeability coefficient of Aksu River Basin are carried out by using the method of traditional statistics and geostatistics through field test and collection of previous research results. The results show that the variation of permeability coefficient in Aksu River Basin is more than that of confined water; the permeability coefficient of phreatic aquifer is greatly influenced by the randomness factors such as external conditions, and the confined water is greatly influenced by the structural factors such as aquifer location and formation lithology, and the best fitting model of variation function is Gauss and index model respectively; the variation degree of permeability coefficient in north-south direction is greater than that in east-west direction, and the main variation is along the Aksu River. By using Kriging interpolation, the overall performance of permeability coefficient is that it decreases gradually from north to south, the river nearby is larger than far away from the river, and the parameter division and value range of phreatic water and confined water are given. This conclusion provides a reasonable and reliable parameter selection basis for groundwater resource evaluation and numerical simulation in Aksu Area, and can be used as a reference for the study of permeability coefficient in other areas.

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Aksu River / permeability coefficient / spatial variability / structural analysis

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. Spatial Variability Analysis of Permeability Coefficient in Aksu River Basin. China Rural Water and Hydropower. 2021, 0(1): 64-70

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Dynamic mechanism and ecological effect of surface water and groundwater transformation in typical basins of Junggar Basin

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Received	Revised	Published
2020-03-27	2020-06-30	2021-01-15
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2021-02-21

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