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引用本文:齐学斌,李平,白芳芳,等.变化环境对农业水资源配置的影响研究进展[J].灌溉排水学报,0,():-.
Qixuebin,Liping,Bai Fangfang,et al.变化环境对农业水资源配置的影响研究进展[J].灌溉排水学报,0,():-.
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变化环境对农业水资源配置的影响研究进展
齐学斌, 李平, 白芳芳, 张彦, 佘映军
中国农业科学院农田灌溉研究所
摘要:
变化环境下农业水资源系统正经历着深刻的变化,特别是气候变化和人类活动加剧了降水、蒸散、径流、渗漏、耗水等农田水文要素的演变过程,进而影响农业水资源供、用、耗、排、回的全过程。在对我国农业用水过程与特点进行分析的基础上,系统梳理了国内外变化环境对灌区农业供水量、需水量、供需水平衡、水循环及水资源承载力影响研究进展,系统分析了现有研究存在的不足,提出了未来我国农业水资源配置及水安全保障应对环境变化影响的研究重点:重视变化环境下灌区供水系统及运行模式研究、加强变化环境下作物需水规律研究、强化变化环境下灌区供需水平衡与水资源承载力研究、深化变化环境下灌区水循环与转化机理研究、拓展变化环境下节水灌溉对环境的影响机理研究。
关键词:  变化环境;水资源配置;农业供水;农业用水;水循环
DOI:
分类号:S27
基金项目:
Research advances of the impact of changing environment on agricultural water resources utilization in irrigation areas
Qixuebin, Liping, Bai Fangfang, zhangyan, sheyingjun
Farmland Irrigation Research Institute, Chinese Academy of Agricultural Sciences
Abstract:
The uncertainty of agricultural water use will be increased, which will greatly increase the difficulty and risk of water resources system regulation, under the condition of climate change and fast development of economy and society. Under the condition that both the supply and demand, the agricultural water are faced with great challenges, it is difficult for the traditional allocation and regulation of water resources to fully reflect the influence of multiple supply-demand relationships in the water resources system and to realize the efficient utilization of water resources. The Hydrological cycle process of farmland ecosystem is undergoing profound changes. Particularly the climate change and human activities accelerate the evolution of the farmland hydrological elements such as the precipitation, evapotranspiration, runoff, seepage and water consumption, thus, the change of water supply and water demand of crop irrigation is caused. Based on the analysis of the farmland irrigation water development and characteristics in china, the report systematically analyzes the research progress of global environment changes’ influences on agriculture water supply, water demand, balance of water supply and demand and water recycling of irrigation district and also analyzes the deficiencies of the existing research. In the end, the report puts forward the key points of future research on the effects of irrigation districts’ agriculture water response to environmental changes in China: pay more attention to studying the irrigation district water supply system and operation patterns, studying the crop water requirement, consolidate the study of the water balance between supply and demand and the basic theory and evaluation method of the water resources bearing capacity in the irrigation areas under the condition of the environment changes, strengthen the study of the water cycle and transformation mechanism in irrigation districts , and also attach great importance to the mechanism research of the impact of regional scale water saving irrigation technologies to the environment.
Key words:  changing environment; water resources allocation;agricultural water supply; irrigation water requirement; water cycle