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地下水灌溉水质评价的对数型幂函数指数方法

花匠小妙招
2024-10-31 14:07

为了科学合理、简便有效地评价灌溉水质,提出了一个灌溉水质评价的指数公式,并采用粒子群算法优化公式中的参数,得出优化后适用于多指标的灌溉水质评价公式.以新疆阿拉尔垦区、尉犁县和宁夏平罗县的水质资料为例进行验证.结果表明,该公式与综合危害系数法、模糊综合评价、突变理论的评价结果基本一致.新疆阿拉尔垦区和宁夏平罗的地下水适合农业灌溉,而尉犁县平原灌区浅层地下水不宜长期直接灌溉.灌溉水质评价公式具有简单便捷的优点,可以快速地得出灌溉水质评价结果,为灌溉水质评价提供了新的有效途径.

Abstract

In order to establish a scientific and rational model for irrigation water quality evaluation which can be used simply and effectively, a formula of power function in logarithm form was proposed. Particle swarm optimization(PSO)was used to optimize the parameters in the formula, and the formula for irrigation water quality evaluation applicable to the multi index was obtained. The water quality datum of Alar Reclamation Area, Yuli County in Xinjiang, Pingluo County in Autonomous Region County were taken as examples. The results show that the evaluation results of the formula were basically in accord with those obtained by other evaluation methods including comprehensive hazard coefficient method, fuzzy comprehensive evaluation method and catastrophe theory. The groundwater of Alar Reclamation A-rea in Xinjiang and Pingluo County in Autonomous Region County were suitable for agricultural irrigation, and shallow groundwater of irrigated plains in Yuli County of Xinjiang was not suitable for long-term direct irrigation. The formula of irrigation water quality evaluation has the advantages that it is simple and convenient, and irrigation water quality evaluation results can be quickly obtained. In this way, a new effective approach for agricultural irrigation water quality assessment was suggested.

关键词

地下水灌溉 /水质评价 /对数型幂函数 /粒子群算法 /参数优化{{custom_keyword}} /

Key words

groundwater irrigation /water quality assessment /power function in logarithm /particle swarm optimization /parameter optimization{{custom_keyword}} /

梁秀娟, 李钦伟, 张端梅, 等.

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地下水灌溉水质评价的对数型幂函数指数方法[J]. 排灌机械工程学报, 2014, 32(2): 156-161 https://doi.org/10.3969/j.issn.1674-8530.12.0206

LIANG Xiu-Juan-, LI Qin-Wei-, ZHANG Duan-Mei-, et al.

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Formula of power function in logarithm form for groundwater irrigation water quality assessment[J]. Journal of Drainage and Irrigation Machinery Engineering, 2014, 32(2): 156-161 https://doi.org/10.3969/j.issn.1674-8530.12.0206

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