摘要：对引江济渭入黄工程水源区，汉江上游的生态环境需水量进行了一定的研究探讨。生态环境需水量的计算方法存在许多种方法，根据长江流域的特点和实际条件，初步确定选用tennant法、q90法和湿周法等3种方法来计算引江济渭入黄工程水源区生态环境需水量，并通过比较综合确定最终的生态环境需水量。

关键词：tv68；x52 文献标识码：a 文章编号：1672-1683（2008）01-0011-03

eco-environment water demand in the upper-stream of hanjiang river

chang fu-xuan,chen jin,huang wei

(yangtze river scientific research institute,wuhan,430010,china)

abstract:in this paper,the eco-environment water demand in the upper-stream of hanjiang river was studied.we used 3 methods(q90 method,tennant method,tennant method and wet per