摘要
通过实地考察,利用历年土地利用变化数据,对塔里木河流域土地利用与土地覆被变化的水文效应进行分析,并提出相应的对策。结果表明,1990~2000年塔里木河流域土地利用形式均有所变化,其中变化最突出是灌溉用地和未利用地。整个塔里木河流域灌溉用水量大幅增加,水利工程增多,下游水量锐减,流程缩短近523 km。1957-1959年,三大源流汇入塔里木河的水量约为49.4×108m3,而2000~2009年减至36.5×108m3,52年间减少了12.9×108m3,平均每年以2 434.0×104m3的速度减少。
Through field investigation,using annual land use variation data,the hydrological effects of Tarim River basin land use and land cover changes were analyzed,and several corresponding countermeasures were put forward.The results showed that: during 1990-2000,land use forms in Tarim River basin all varied,especially for irrigated land and unutilized land.The irrigation water amount and water conservancy project increased,downstream water decreases,and flow process was shorten by 523 km.The water amount flow into Tarim River was decreased from 49.4×108m3 during 1957-1959 to 36.5×108m3 during 2000-2009 with rate of 2 434.0×104m3.
出处
《安徽农业科学》
CAS
2013年第5期2230-2233,2238,共5页
Journal of Anhui Agricultural Sciences
基金
国家自然科学基金项目(41061047
40561013)
国家国际科技合作项目(2010DFA92720-12)
新疆大学"绿洲生态自治区(教育部省部共建)重点实验室"开放课题(XJDX0201-2009-10)