Water Infiltration Process in the Undisturbed and Disturbed Soil in the PiSha Sand Stone Area

MA Wenmei1; 2

doi:10.13870/j.cnki.stbcxb.2018.02.019

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Water Infiltration Process in the Undisturbed and Disturbed Soil in the PiSha Sand Stone Area

更新时间：2025-03-12

- Water Infiltration Process in the Undisturbed and Disturbed Soil in the PiSha Sand Stone Area
- Vol. 32, Issue 2, Pages: 128-133(2018)
- 作者机构：
  
  1. 宝鸡文理学院，陕西省灾害监测与机理模拟重点实验室,陕西,宝鸡,721013
  2. 宝鸡文理学院地理与环境学院,陕西,宝鸡,721013
  3. 宝鸡市农业技术推广中心,陕西,宝鸡,721031
  4. 西北农林科技大学水土保持研究所，陕西杨凌,712100
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2018.02.019
  CLC： S152.7
- Published：2018
- 稿件说明：
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MA Wenmei1, 2. Water Infiltration Process in the Undisturbed and Disturbed Soil in the PiSha Sand Stone Area[J]. 2018, 32(2): 128-133.
DOI：

MA Wenmei1, 2. Water Infiltration Process in the Undisturbed and Disturbed Soil in the PiSha Sand Stone Area[J]. 2018, 32(2): 128-133. DOI： 10.13870/j.cnki.stbcxb.2018.02.019.

摘要

基于内蒙古准格尔旗砒砂岩区为研究对象，通过野外原状土的采集和室内模拟土柱试验，采用一维垂直入渗试验，分析了砒砂岩区黄土、砒砂岩、风沙土的原状土和填装土的水分入渗过程。结果表明：原状情况下入渗率、累积入渗量的变化趋势为风沙土＞黄土＞砒砂岩；扰动情况下入渗率、累积入渗量的变化趋势为风沙土＞砒砂岩＞黄土；两种土壤中湿润锋的变化趋势与累积入渗量变化趋势一致。利用Philip模型、Kostiakov经验公式和Green-Ampt模型对原状土和扰动土累积入渗量和入渗历时的关系拟合方程均可较好地描述原状扰动土的入渗过程，其中Kostiakov经验公式拟合值更接近土实测值，拟合精度更高。

Abstract

Based on the Pisha sand stone in the Inner Mongolia ZhunGeErQi as the research object

in this paper

through the field sampling of undisturbed soil and laboratory simulation of soil-column experiment

soil water infiltration were analyzed by one-dimensional vertical infiltration experiment to study the process of water infiltration on the loess soil

aeolian sandy soil and Pisha sand stone. The results showed that the infiltration rate and cumulative infiltration changed trend was: aeolian sandy soil＞loess soil＞Pisha sand stone in the undisturbed soil

and aeolian sandy soil＞Pisha sand stone＞loess soil in the disturbed soil. The wetting front and the cumulative infiltration showed the same trend both in the undisturbed and disturbed soil. Fitting the relationship between infiltration rate and time with Kostiakov empirical formula

Philip model and Green-Ampt equation

the results showed both Kostiakov infiltration equation

Green-Ampt and Philip equation were suitable for simulating the change of cumulative infiltration capacity for the disturbed and undisturbed soils

but Kostiakov formula was more accurate fitting the water infiltration on the disturbed and undisturbed soil than other models.

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