ISWC OpenIR  > 水保所知识产出(1956---)
水质对层状土壤入渗过程的影响
吉恒莹1,2; 邵明安2,4; 贾小旭4
2016
Source Publication农 业 机 械 学 报
Volume47Issue:7Pages:183-188
Abstract

供水水质的异同可能会影响层状土壤积水的入渗过程。将去离子水、天然降水、天然积水、自来水 4 种水质
的水作用于 3 种土壤构型(均质塿土、塿夹砂、砂夹塿),讨论了 4 种水质的积水入渗对层状土壤结构入渗特征的影
响。结果表明,不同水质和土壤构型的入渗时间由长到短分别为:去离子水、天然降水、自来水、天然积水(不同水
质)和均质塿土、塿夹砂、砂夹塿(不同土壤构型)。4 种水质累积入渗量的变化趋势基本相同,其累积入渗量由大
到小分别为:天然降水、自来水、去离子水、天然积水(不同水质)和砂夹塿、塿夹砂、均质塿土(不同土壤构型)。相
同时间内不同土壤构型的湿润锋推进距离由小到大为:均质塿土、塿夹砂、砂夹塿;水质对层状土壤湿润锋推进距
离的影响程度由土壤分层组合方式决定。

Other Abstract

 Differences in the water quality can affect the water infiltration process of layered soil. Four
kinds of water,de-ionized water,natural water,natural precipitation and tap water were used to act on
three soil configurations (homogeneous loess soil,loess soil with gravel and sand with loess soil),and
the influences of these four kinds of water on the infiltration characteristics of the layered soil structures
were studied. The results showed that the infiltration descending time order of these four kinds of water in
the three soil configurations was: de-ionized water,natural water,tap water,and natural precipitation.
The changing trends of cumulative infiltration amount in the four kinds of water qualities were basically
the same,and the descending order of cumulative infiltration amount was: natural water,tap water,de-
ionized water,natural precipitation; sand with loess soil,loess soil with gravel,and homogeneous loess
soil. The ascending sort order of advancing distances of wetting front in the same period was:
homogeneous loess soil,loess soil with gravel,and sand with loess soil. The influence degree of water
quality on infiltration rate,cumulative infiltration amount and the wetting front's advancing distance of
layered soil was determined by the layered combination mode of the soil.

Keyword水质 层状土壤 入渗过程 实验
Indexed By中文核心期刊要目总览
Language中文
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8668
Collection水保所知识产出(1956---)
Affiliation1.西北农林科技大学资源环境学院,陕西杨凌 712100
2.新疆师范大学化学化工学院,乌鲁木齐 830054
3.西北农林科技大学黄土高原土壤侵蚀与旱地农业国家重点实验室,陕西杨凌 712100
4.中国科学院地理科学与资源研究所生态系统网络观测与模拟重点实验室,北京 100101
Recommended Citation
GB/T 7714
吉恒莹,邵明安,贾小旭. 水质对层状土壤入渗过程的影响[J]. 农 业 机 械 学 报,2016,47(7):183-188.
APA 吉恒莹,邵明安,&贾小旭.(2016).水质对层状土壤入渗过程的影响.农 业 机 械 学 报,47(7),183-188.
MLA 吉恒莹,et al."水质对层状土壤入渗过程的影响".农 业 机 械 学 报 47.7(2016):183-188.
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