GIS支持下的土壤重金属污染预测预警研究_严加永.pdf

37 　 3 ( ) Vo l.37 　No .3 　 2007 5 　　 　　　　　Jour nal of J ilin U niver sity (Ea rth Science Editio n)　　　　 　　　 M ay 2007 　　 GIS 支持下的土壤重金属污染预测预警研究 1, 2 1 3 严加永 , 吕庆田 , 葛晓立 1. , 　100037 2. , 　100052 3., 　100037 :面对日益严重的土壤重金属污染问题, 必须采用快速高效的方法对污染趋势做出预测预 。 本 研究建立了土壤重金属污染预 模型和土壤重金属污染超标年限预测模型, 并在 GIS 技术支持下, 开发了 基于A r cV iew GIS 的预 预测程序模块, 实现了对土壤重金属污染的预 预测。 最后以北京市及其近郊 区为实例, 对该区重金属污染进行了预 并对P b 元素超标年限进行了预测, 取得了较好的预 预测结果。 :重金属污染;G IS;预 ;超标年限预测 :X833　　　:A 　　　:167 1-5 888(2007)03-0592-05 The Research about Soil Heavy Metal Pollution Forecast and Early Warning Support by GIS 1, 2 1 3 YA N Jia-y ong , L Qing-tian , G E Xiao-li 1.Instituteof Mineral Resources, CAGS, Beij ing 　100037, China 2.Instituteof Geology and Geophysics, CAS, Beij ing　100052, China 3.NationalResearch Center f or GeoAnalysis, Beij ing　100037, China Abstract:Be times and hi gh eff iciency me thod mu st be u sed to fo recast pollutio n t rend in the face o f mo re and mo re se rio us problem s of soil heavy met al po llutions.In t hi s research, the soi l heavy metal po llution f orecast model and soil po llution heavy metal element ov ertake st andard early w arning m odel w as establi shed and f orecast ex tension w as developed based A rcV iew GIS support by GIS technique, and then realiz ed f orecast and early w arni ng fo r soil heavy metal polluti on.L ast ly, taki ng Bei i ng City i n- clude it s suburb as inst ances, w arni ng it s heavy met