干旱区生态环境知识资源中心(Arid): 新疆绿洲盐碱地滴灌条件下地下水局部动态对荒地盐分的影响

Arid

	新疆绿洲盐碱地滴灌条件下地下水局部动态对荒地盐分的影响
其他题名	Effects of Local Dynamic Change of Groundwater on Soil Salinity in Wasteland under Drip Irrigation in Saline or Alkaline Land of Oasis in Xinjiang
	李文昊; 王振华; 郑旭荣; 张金珠
来源期刊	干旱区研究
ISSN	1001-4675
出版年	2016
卷号	33 期号:5 页码:1110-1118
中文摘要	为探究新疆绿洲盐碱地应用滴灌技术导致局部地下水位的提升和地下水矿化度的增加是否对附近荒地水分和盐分产生影响。以新疆北部典型绿洲原生盐碱地(下野地灌区)滴灌农田之间荒地为例,于20092013年连续5 a进行定位监测,分析土体内不同时期盐分、水分及离子含量的变化。发现荒地0~140 cm土体含盐量和含水率在棉花生育期至冻融期呈弦式周期性变化,含盐量在棉花生育期初至生育期末递增,冻融前至消融后递减;含水率的变化趋势与之相反。受滴灌棉田灌溉的影响,棉田地下水位随棉花生育期进程逐步提升,缩短了周边荒地上升毛管水的传导路径,为地下水矿化度的增加提供了相对充足的盐分来源,土体盐分在周边棉花生育期结束后的增加量大于越冬期冻融对其的淋洗量。年际间0~140 cm土体内储盐量以1179.05 g? a~(-1)的速度递增,盐分的组成离子以Ca~(2+)、Cl~-、Na~+、Mg~(2+)的增加为主。
英文摘要	Groundwater level and salinity in some areas has been improved as drip irrigation is applied in oasis saline or alkaline land in Xinjiang. In this study, the effects of drip irrigation on groundwater level and salinity in wasteland in Xinjiang were explored. The wasteland between the drip irrigation farmland of typical oasis and the native saline or alkaline land in the Xiayedi Irrigated Area in north Xinjiang was taken as the study area to monitor the variation of groundwater level and salinity during the period of 2009 - 2013. The results revealed that the soil salinity and moisture content in soil layer of 0 - 140 cm deep in wasteland fluctuated in a periodic "sine or cosine" way from the cotton growth season to freezing-thawing period. Soil salinity was increased in cotton growth season but decreased in the freezing-thawing period. The groundwater level of cotton field was raised due to the influence of drip irrigation,because the transmission path of capillary water was shortened, and the abundant salt sources were increased. The storage of soil salt in soil layer of 0 - 140 cm in depth was increased by 1 179. 05 g ? a ~(-1),and the salt composition was mainly dominated by the increase of Ca~(2+) ,Cl~-,Na~+ and Mg~(2 +).
中文关键词	绿洲 ; 盐碱地 ; 滴灌 ; 地下水 ; 盐分 ; 新疆
英文关键词	oasis saline or alkaline land drip irrigation groundwater salinity Xinjiang
语种	中文
国家	中国
收录类别	CSCD
WOS类目	ENVIRONMENTAL SCIENCES
WOS研究方向	Environmental Sciences & Ecology
CSCD记录号	CSCD:5799508
来源机构	石河子大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/234324
作者单位	石河子大学水利建筑工程学院, 现代节水灌溉兵团重点实验室, 石河子, 新疆 832000, 中国
推荐引用方式 GB/T 7714	李文昊,王振华,郑旭荣,等. 新疆绿洲盐碱地滴灌条件下地下水局部动态对荒地盐分的影响[J]. 石河子大学,2016,33(5):1110-1118.
APA	李文昊,王振华,郑旭荣,&张金珠.(2016).新疆绿洲盐碱地滴灌条件下地下水局部动态对荒地盐分的影响.干旱区研究,33(5),1110-1118.
MLA	李文昊,et al."新疆绿洲盐碱地滴灌条件下地下水局部动态对荒地盐分的影响".干旱区研究 33.5(2016):1110-1118.