论文部分内容阅读
水文工作是开发水利、防治水害、保护环境等经济建设和社会发展的重要基础工作。水文工作的效益具有一些鲜明的特点:有的是通过工程的修建来实现;有的以减灾的形式来体现,很难从其他部门的效益中准确地分离出来;另外,水文产品,除为当前建设服务外,还具有能反复使用的长期效益。这些特点使水文工作效益的评价计算成为一个难度很大的课题。
Hydrological work is an important foundation for economic development and social development such as water conservancy, water control and environmental protection. The benefits of hydrological work have some distinctive features: some are achieved through the construction of projects; some are manifested in the form of disaster reduction and are difficult to be accurately separated from the benefits of other departments; in addition, hydrological products, except for the current construction In addition, it has long-term benefits that can be reused. These features make the evaluation of hydrological work efficiency a difficult topic.