摘要
岩溶灌区水文特性分析中,要考虑岩溶区(覆盖岩溶区、裸露岩溶区)、非岩溶区的产汇流特点以及岩溶区和非岩溶区之间的水分转化关系。由于受岩溶区多孔隙、地上地下双重空间结构基岩的水文系统的影响以及人类活动和水管理措施的影响,岩溶灌区水分循环呈现复杂性和脆弱性的特点,对变化环境的响应十分显著。基于岩溶灌区水分循环特点,建立岩溶灌区分布式水文模型,将气候变化模型、人类活动参数化模型和分布式水文模型有机耦合,研究灌区水分循环对变化环境的响应过程,可为岩溶灌区水资源高效利用提供参考,制定农业节水、水资源调配应对策略。
It is necessary to consider the mechanism of the runoff yield and flow concentration in the karst area, including covered karst area and exposed karst area, and the water movement and transforming relation between karst and non-karst area in the hydro- logical characteristic analysis in the karst irrigated area. The hydrological circle in karst irrigated area is complex and vulnerable due to the porous, double the floor space underground rock structures and the effect of human activity and water management measure, and it remarkably responses to environment change. The establishment of the distributed hydrological model for karst irrigated area based on the characteristic of the hydrological circle, and the application of coupling model of distributed hydrological model , climate change model and human activity parametric model can predict the influence of environment change on hydrological circle in karst irri- gated area. The simulation result can be used to make out the strategy of agricultural water saving and water resource allocation, and provide reference basis for the high efficient utilization of water resources
出处
《节水灌溉》
北大核心
2010年第8期31-33,共3页
Water Saving Irrigation
基金
广西科技攻关项目(桂科攻0895004-3-1)
广西科学基金项目(桂科基0991026)
广西环境工程与保护评价重点实验室基金项目(0701Z006)
广西教育厅科研项目(200812LX181)
广西高校人才小高地建设"环境工程"创新团队资助计划项目(桂教人[2007]71号)部分内容
关键词
农业水利
岩溶灌区
变化环境
水循环
irrigation and drainage
karst irrigated area
environment change
hydrological circle
