| 河流水质模糊风险评价模型研究 |
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| 引用本文： | 李如忠,洪天求,金菊良.河流水质模糊风险评价模型研究[J].武汉理工大学学报,2007,29(2):43-46. |
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| 作者姓名： | 李如忠 洪天求 金菊良 |
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| 作者单位： | 1. 合肥工业大学资源与环境工程学院,合肥,230009
2. 合肥工业大学土木建筑工程学院,合肥,230009 |
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| 基金项目： | 国家自然科学基金;安徽省自然科学基金 |
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| 摘 要： | 基于水环境系统的随机性、模糊性，以及数据信息的不足和不精确性，将河流水体支撑能力和污染负荷水平表示为三角模糊数，构建了度量河流水质风险的模糊评价模型。在定义三角模糊参数的基础上，通过将一维稳态水质模型参数模糊化，建立了模糊水质模拟模型。根据水质模拟结果，运用模糊风险评价模型对控制断面水质状况进行风险分析。实例研究表明，所建模型对于河流水质模拟与风险评价具有很好的适用性。
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| 关 键 词： | 模糊水质风险 模糊水质模型 三角模糊数 隶属函数 α-截集 |
| 文章编号： | 1671-4431(2007)02-0043-04 |
| 修稿时间： | 2006年9月24日 |
Research on Fuzzy Risk Assessment Model for River Water Quality |
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| LI Ru-zhong,HONG Tian-qiu,JIN Ju-liang.Research on Fuzzy Risk Assessment Model for River Water Quality[J].Journal of Wuhan University of Technology,2007,29(2):43-46. |
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| Authors: | LI Ru-zhong HONG Tian-qiu JIN Ju-liang |
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| Abstract: | Based on the characteristics of random and fuzziness,and the shortage and imprecision of datum information of river water environmental system(RWES),fuzzy set theories were utilized to simulate the resistance and load of RWES by means of triangular fuzzy numbers.On the basis,a risk assessment model for river water quality was firstly established.Then,by denoting the model parameters of water quality as triangular fuzzy numbers,a one-dimensional stable-state fuzzy model for river water quality was proposed.According to the water quality simulation,risk of river water quality in a specified section was analyzed by using the assessment model proposed above.Case study showed that the models provided here are quite suitable for river water quality simulation and risk assessment. |
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