Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.proenv.2011.12.142 |
Effect of water resource on soil salinization of oasis in the lower reaches of Tarim River, China | |
Zhou Honghua; Li Weihong | |
通讯作者 | Zhou Honghua |
会议名称 | 2nd International Conference on Challenges in Environmental Science and Computer Engineering (CESCE) |
会议日期 | DEC 14-15, 2011 |
会议地点 | Haikou, PEOPLES R CHINA |
英文摘要 | The development of oasis in the lower reaches of the Tarim River has been impeded due to serious soil salinization and water resource shortage. To examine the effect of water resource on soil salinization, we analyzed the effects of surface water resource, groundwater depths and quantity on soil salt content based on the field monitoring. The results showed that the relationship between quality of surface water and soil salt content in 0-50cm was significantly positive, but not to the salt content of the 50-100 cm layers. The soil salt content also closely related to the groundwater depth, of which 0-50 cm layers surface soil salt content declined with the increasing groundwater depth, and the change of 0-20 cm soil salt content was biggest. When the groundwater depth was shallower, the soil salt content was high with high surface concentration, which showed a "T" distribution, and soil salt content decreased with the increasing soil depth, in the order 0-20cm>20-50cm>50-100cm. With the groundwater depth increasing, soil salt loads reduced and showed a "rhombus" distribution, which mainly accumulated in the middle layer, in the order 20-50cm>0-20cm>50-100cm. When the groundwater depth was more than 6m, the hardness, total dissolved solids (TDS) and conductance of the groundwater as well as the soil salt loads distribution appeared sharply changes. So, the critical groundwater depth for condensing salt content in groundwater and changing the soil salt loads distribution was 6 m. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of the Intelligent Information Technology Application Research Association. |
英文关键词 | Groundwater Soil salinization Oasis Tarim river |
来源出版物 | 2011 2ND INTERNATIONAL CONFERENCE ON CHALLENGES IN ENVIRONMENTAL SCIENCE AND COMPUTER ENGINEERING (CESCE 2011), VOL 11, PT B |
ISSN | 1878-0296 |
出版年 | 2011 |
卷号 | 11 |
页码 | 925-933 |
EISBN | ***************** |
出版者 | ELSEVIER SCIENCE BV |
类型 | Proceedings Paper |
语种 | 英语 |
国家 | Peoples R China |
收录类别 | CPCI-S |
WOS记录号 | WOS:000312373700059 |
WOS关键词 | GROUNDWATER |
WOS类目 | Computer Science, Interdisciplinary Applications ; Environmental Sciences |
WOS研究方向 | Computer Science ; Environmental Sciences & Ecology |
资源类型 | 会议论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/299609 |
作者单位 | Xinjiang Inst Ecol & Geog CAS, Key Lab Oasis Ecol & Desert Environm, Urumqi, Peoples R China |
推荐引用方式 GB/T 7714 | Zhou Honghua,Li Weihong. Effect of water resource on soil salinization of oasis in the lower reaches of Tarim River, China[C]:ELSEVIER SCIENCE BV,2011:925-933. |
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