黑河流域绿洲农业水转化多过程耦合与高效用水调控

项目名称： 黑河流域绿洲农业水转化多过程耦合与高效用水调控

项目编号： No.91425302

项目类型： 重大研究计划

立项/批准年度： 2015

项目学科： 天文学、地球科学

项目作者： 康绍忠

作者单位： 中国农业大学

项目金额： 900万元

中文摘要： 针对“黑河流域生态-水文集成研究”重大研究计划总体目标的要求，以深入认识黑河流域中游绿洲农业水转化多过程耦合机理及定量关系为主线，探讨绿洲耗水时空格局对变化环境的响应机制与适度农业规模的确定方法，揭示农田、渠系和绿洲灌溉水转化多过程的耦合机理与定量关系，探索绿洲多尺度农业水效率协同提升机制与调控模式，建立基于节水高效与绿洲健康的水资源调配方法。在此基础上，集成绿洲农业水转化多过程耦合与决策综合模型系统，预测变化环境下绿洲农业水转化与水效率参量时空分布，获得水资源优化调配和高效用水方案。项目研究成果将为“黑河流域生态-水文集成研究”重大研究计划的整体集成提供绿洲农业区水转化的基本过程、量化方法、优化情景、节水高效调控模式及农业水转化多过程耦合模拟与决策子模型，提升对绿洲农业区水资源转化过程的认知水平和量化精度以及绿洲水资源可持续利用的调控能力。

中文关键词： 区域水循环；土地利用；蒸散发；水文模型；水资源配置

英文摘要： Aiming at the overall goals set by “the Major Research Plan on ecology-hydrology integration in Heihe River Basin”, the proposed project will focus on coupling mechanisms and quantification of agricultural water multi-process transformation in the oasis of middle reach of Heihe River Basin. The project will study the response mechanisms of water demand spatiotemporal pattern across the oasis to the climate change, reveal the coupling mechanisms and quantification of irrigation water multi-process transformation at different scales of field, canal and the oasis, explore coordinating methods on improving multi-scale agriculture water use in the oasis and its regulating mode, and establish water distribution methods based on water-saving, high-efficiency, and oasis healthiness. Based on the studies mentioned, an integrative model system on coupling agricultural water multi-processes transformationand decision support system will be developed to predict spatiotemporal patterns of different components associated with agricultural water transformation and water use efficiency in the oasis under climate change conditions, and to achieve optimized water distribution and high efficiency water use plans. The outcome of the proposed project will provide overall integration of “the Major Research Plan on ecology-hydrology integration in Heihe River Basin” with basis processes, quantification, optimized scenarios, regulating model for water-saving and high efficiency water use,and a sub-model on coupling and modeling agricultural water multi-process transformation and decision support. Therefore, the project will improve the understanding and quantification of water resources transformation, and also to improve regulating capability for sustainable water resource use in the oasis.

英文关键词： regional water cycle;land use;evapotranspration;hydrological model;water resources allocation