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通过界定敏感性参数的含义,认为参数的敏感性是系统对某一指参数的变化的敏感程度,以此为依据建立M-YAS模型分析参数的敏感性。以佛山市为例选取37项影响水资源可持续的参数,分析水资源可持续性的参数敏感性问题,结果表明:37项反映水资源可持续性的参数中,仅13项参数(生活用水定额、林牧渔畜用水量、工业用水定额、农田灌溉用水量、工业用水量、耕地灌溉定额、万元工业增加值用水量、火电冷却用水量、城乡生活用水量、工业节水、万元生产总值用水量、生活节水和农业节水)对于水资源可持续性的目标层而言是敏感性参数,且13项参数均来自用水结构与效率的准则层,说明区域水资源可持续性的目标层对用水结构与效率的准则层较为敏感。
By defining the meaning of the sensitivity parameter, the sensitivity of the parameter is considered as the sensitivity of the system to the change of a finger parameter. Based on this, the M-YAS model is established to analyze the sensitivity of the parameter. Taking Foshan City as an example, 37 parameters influencing water resources sustainability were selected to analyze the parameter sensitivity of water resources sustainability. The results showed that of the 37 parameters reflecting the sustainability of water resources, only 13 parameters Quota, forestry and animal husbandry water consumption, industrial water quota, irrigation water, industrial water, agricultural irrigation quota, million yuan of industrial added value of water consumption, thermal power cooling water, urban and rural water consumption, industrial water saving, million total production Value water use, domestic water saving and agricultural water saving) are the sensitivity parameters for the target level of water resource sustainability and all 13 parameters are derived from the standard level of water use structure and efficiency, indicating the sustainability of regional water resources The target level is more sensitive to the guideline of water use structure and efficiency.