含砾石土壤降雨入渗过程模拟

朱元骏; 邵明安

含砾石土壤降雨入渗过程模拟

朱元骏^1,2,
邵明安^1,2

1.
西北农林科技大学水土保持研究所, 陕西, 杨凌, 712100;
2.
中国科学院水利部水土保持研究所, 陕西, 杨凌, 712100

基金项目: 国家自然科学基金资助项目(40801104);黄土高原土壤侵蚀与旱地农业国家重点实验室基金资助项目(10502-Z10-1)

详细信息

作者简介:
朱元骏(1978- ),男,湖北竹山人,博士,助理研究员,主要从事土壤水分运动及坡面水土过程研究.E-mail:zhuyuanjun@foxmail.com

中图分类号: S152.7

Simulation of rainfall infiltration in stony soil

ZHU Yuan-jun^1,2,
SHAO Ming-an^1,2

1.
Institute of Soil and Water Conservation, Northwest A & F University, Yangling 712100, China;
2.
Institute of Soil and Water Conservation, Chinese Academy of Sciences of China & Ministry of Water Resources, Yangling 712100, China

Funds: The study is financially supported by the National Natural Science Foundation of China(No.40801104).

摘要: 在室内模拟降雨试验的基础上,利用多重相互作用连续体(MINC)组件,对含砾石土壤降雨入渗过程进行了数值模拟,以期深入理解含砾石土壤中的水土过程.研究结果表明,土壤中砾石的存在能够导致土壤水分饱和度增加,使得土壤总入渗量以及降雨入渗深度降低.含砾石土壤中存在一个陡的湿润锋面,在湿润锋面上土壤水分饱和度急剧下降.MINC组件可以很好地模拟含砾石土壤降雨入渗过程,其对含砾石土壤湿润锋和土壤含水率变化的模拟值与实测值吻合较好.降雨期间土壤水分饱和度沿土壤剖面的变化可用来解释含砾石土壤降雨入渗深度降低的原因.
- 含砾石土壤 /
- 降雨入渗 /
- 多重相互作用连续体 /
- 数值模拟 /
- 土壤水分饱和度
Abstract: Based on the laboratory rainfall expermients,the process of rainfall infiltration in stony soil is numerically smiulated using the multiple interacting continua(MINC) method.The objective of this study is to further improve our understanding on water movement in stony soil.The results show that the maximum water saturation of soil can be increased if gravels present,while the total amount of infiltrated water and the infiltration depth in soil would be reduced accordingly.There is a steep wet front in the stony soil column,the max mium water saturation of soil decreases sharply along the front surface.The process of rain fall infiltration is well smiu lated by the MINC model.Both smiulated wet front and soil water content close to the observation.The reduction of rainfall in filtration depth in stony soil can be attributed to the change in the maxmium water saturation of soil along the soil profile during a rain fall.
- stony soil /
- rainfall infiltration /
- multiple interacting continua /
- numerical smiulation /
- soilwatersa turation

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含砾石土壤降雨入渗过程模拟

作者简介:
朱元骏(1978- ),男,湖北竹山人,博士,助理研究员,主要从事土壤水分运动及坡面水土过程研究.E-mail:zhuyuanjun@foxmail.com

Simulation of rainfall infiltration in stony soil

计量

含砾石土壤降雨入渗过程模拟

1. 西北农林科技大学水土保持研究所, 陕西, 杨凌, 712100;

2. 中国科学院水利部水土保持研究所, 陕西, 杨凌, 712100

作者简介:
朱元骏(1978- ),男,湖北竹山人,博士,助理研究员,主要从事土壤水分运动及坡面水土过程研究.E-mail:zhuyuanjun@foxmail.com

English Abstract

Simulation of rainfall infiltration in stony soil

1. Institute of Soil and Water Conservation, Northwest A & F University, Yangling 712100, China;

2. Institute of Soil and Water Conservation, Chinese Academy of Sciences of China & Ministry of Water Resources, Yangling 712100, China

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留言板

含砾石土壤降雨入渗过程模拟

作者简介: 朱元骏(1978- ),男,湖北竹山人,博士,助理研究员,主要从事土壤水分运动及坡面水土过程研究.E-mail:zhuyuanjun@foxmail.com

Simulation of rainfall infiltration in stony soil

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含砾石土壤降雨入渗过程模拟

1. 西北农林科技大学水土保持研究所, 陕西, 杨凌, 712100; 2. 中国科学院水利部水土保持研究所, 陕西, 杨凌, 712100

作者简介: 朱元骏(1978- ),男,湖北竹山人,博士,助理研究员,主要从事土壤水分运动及坡面水土过程研究.E-mail:zhuyuanjun@foxmail.com

English Abstract

Simulation of rainfall infiltration in stony soil

1. Institute of Soil and Water Conservation, Northwest A & F University, Yangling 712100, China; 2. Institute of Soil and Water Conservation, Chinese Academy of Sciences of China & Ministry of Water Resources, Yangling 712100, China

全文HTML

目录

作者简介:
朱元骏(1978- ),男,湖北竹山人,博士,助理研究员,主要从事土壤水分运动及坡面水土过程研究.E-mail:zhuyuanjun@foxmail.com

1. 西北农林科技大学水土保持研究所, 陕西, 杨凌, 712100;

2. 中国科学院水利部水土保持研究所, 陕西, 杨凌, 712100

作者简介:
朱元骏(1978- ),男,湖北竹山人,博士,助理研究员,主要从事土壤水分运动及坡面水土过程研究.E-mail:zhuyuanjun@foxmail.com

1. Institute of Soil and Water Conservation, Northwest A & F University, Yangling 712100, China;

2. Institute of Soil and Water Conservation, Chinese Academy of Sciences of China & Ministry of Water Resources, Yangling 712100, China