吉林省灌溉水有效利用系数影响因素分析OA
Analysis of influencing factors on the effective utilization coefficient of irrigation water in Jilin Province
为分析灌区规模、地形地貌、降雨等要素对于不同灌区灌溉水有效利用系数的影响,以2023年吉林省样点灌区灌溉水有效利用系数为例,采用主成分分析等手段,分析灌溉水有效利用系数的内源和外源驱动因子.结果表明,吉林省灌溉水有效利用系数受灌区规模、灌区地形地貌等因素影响程度较大,时空分布由西向东总体上显示出"高-低-高"分布格局,主成分分析结果显示灌溉水有效利用系数受人为因素的影响大于自然因素的影响.
To analyze the influences of irrigation district scale,topography and geomorphology,precipitation,and other factors on the effective utilization coefficient of irrigation water across different irrigation districts,this study takes the effective utilization coefficient of irrigation water from sample irrigation districts in Jilin Province in 2023 as a case example.Principal component analysis and other methods are employed to identify both endogenous and exogenous driving factors.The results indicate that the effective utilization coefficient of irrigation water in Jilin Province is significantly influenced by irrigation district scale and topographic and geomorphological conditions.Its spatiotemporal distribution generally exhibits a"high-low-high"pattern from west to east.The principal component analysis results further reveal that anthropogenic factors exert a greater influence on the effective utilization co efficient of irrigation water than natural factors.
佟延旭;郑星东;康健;霍光
吉林省水利科学研究院,吉林 长春 130022吉林省水利科学研究院,吉林 长春 130022吉林省水利科学研究院,吉林 长春 130022吉林省农村水利建设管理局,吉林 长春 130022
农业科技
吉林省灌溉水有效利用系数人为因素自然因素
Jilin Provinceeffective utilization coefficient of irrigation wateranthropogenic factorsnatural factors
《东北水利水电》 2026 (8)
52-55,4
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