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  • 软件名称:基于地理处理服务的地下水脆弱性评价研究
  • 软件大小: 0.00 B
  • 软件评级: ★★★
  • 开 发 商: 马真东,摆玉龙
  • 软件来源: 《遥感技术与应用》
  • 解压密码:www.gissky.net

资源简介

摘要: 地理处理服务不仅提供常见的GIS空间分析功能,还支持建立复杂的地理处理模型并能将模型发布为网络服务,提高了空间数据分析功能和共享能力。以兰州新区秦王川盆地为研究区域,根据DRASTIC模型地下水脆弱性评价方法,确定模型各评价因子的评分,采用层次分析法确定各评价因子的权重值;在ArcGIS平台下通过ModelBuilder可视化建模环境构建了符合研究区域的地下水脆弱性评价地理处理模型,并通过ArcCatalog将地理处理模型发布为网络服务,利用ArcGIS API for JavaScript创建了地理处理服务的Web客户端应用程序,在客户端调用该服务自动编制兰州新区秦王川盆地地下水脆弱性评价图,实现了地下水脆弱性评价功能的网络共享,减少了评价图编制的复杂性与工作量,为地下水脆弱性评价模型的广泛应用提供了一种新途径。 关键词: GP服务;  ArcGIS Server;  空间分析;  DRASTIC模型;  秦王川盆地     Abstract: Geoprocessing service not only provides common function of GIS spatial data analysis,but also supports establishing complicated geoprocessing model and publishs the model as Web services,function of spatial data analysis and sharing ability is improved.This paper taking the Qinwangchuan basin in Lanzhou New Area as the study region,according to DRASTIC model groundwater vulnerability evaluation method,each evaluation factor score of the model is determined.The weight value of each evaluation factor is determined with the analysis hierarchy process method.A groundwater vulnerability assessment geoprocessing model for the study region is established by ModelBuilder visual modeling environment in platform of ArcGIS,geoprocessing model is published on web by ArcCatalog,Web client application of geoprocessing service is established with ArcGIS API for JavaScript.The groundwater vulnerability assessment map of the Qinwangchuan basin in Lanzhou New Area is automatically established by calling the service in client.Network sharing of groundwater vulnerability assessment is realized,complexity and workload of assessment map establishing is decreased.A new way of extensive application of groundwater vulnerability assessment model is provided.

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