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| 基于BP神经网络的三峡库区小流域水质评价 | |
| 引用本文： | 杜富芝,傅瓦利,杜小红,王素芳,赵俊丽,袁红,王晴,韩伟. 基于BP神经网络的三峡库区小流域水质评价[J]. 节水灌溉, 2009, 0(1) |
| 作者姓名： | 杜富芝 傅瓦利 杜小红 王素芳 赵俊丽 袁红 王晴 韩伟 |
| 作者单位： | 1. 西南大学地理科学学院土壤实验室,重庆,400715 2. 重庆市北碚区环保局,重庆,400700 3. 东营职业学院教育系,山东,东营,257091 4. 山东省曲阜市一中,山东,曲阜,273165 |
| 基金项目： | 国家自然科学基金资助项目(40701179) |
| 摘 要： | 在阐述BP人工神经网络原理的基础上,运用我国地表水环境质量标准(GB3838-2002)作为训练样本,建立了一个多因子水质综合评价的3层BP网络模型,以溶解氧、氨态氮、总磷、砷、汞和铬为评价因子,对三峡库区小流域一嘉陵江的次级支流流域进行了水质综合评价.结果表明:该河中上游水质状况良好,而下游水质状况较差,汇入嘉陵江、长江后将时三峡水库的水质造成不良影响.为了保证三峡水库的水质安全,建议加强库区小流域的地表水环境管理. |
| 关 键 词： | BP神经网络 三峡库区小流域 水质评价 |
Water Quality Evaluation of Small Basin in Three Gorges Reservoir Based on BP Neural Networks |
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| DU Fu-zhi , FU Wa-li , DU Xiao-hong , WANG Su-fang , ZHAO Jun-li , YUAN Hong , WANG Qing , HAN Wei. Water Quality Evaluation of Small Basin in Three Gorges Reservoir Based on BP Neural Networks[J]. Water Saving Irrigation, 2009, 0(1) | |
| Authors: | DU Fu-zhi FU Wa-li DU Xiao-hong WANG Su-fang ZHAO Jun-li YUAN Hong WANG Qing HAN Wei |
| Affiliation: | 1.Soil Laboratory;School of Geographic Sciences;Southwest University;ChongQing 400715;China;2.Environmental Protection Agency of Beibei District;ChongQing 400700;3.Dongying Vocational College;DongYing 257091;Shandong Province;4.No.1 Middle School of QuFu;QuFu 273165;China |
| Abstract: | Based on the expound of rationale of BP artificial neural network,taking the standards for environmental quality of surface water of China(GB3838-2002) as training samples,a three-layer BP network model for water quality comprehensive evaluation is established in this paper.Taking DO,NH3-N,TP,As,Hg and Cr as the evaluation factors,the water quality evaluation of a small basin,which is a branch of Jialing River in the Three Gorges Reservoir,is carried out.The result indicated that the water quality in the mi... |
| Keywords: | BP neural network small basin of the Three Gorges Reservoir water quality evaluation |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |