基于3S技术的金衢地区低丘红壤开发利用潜力评价  

Assessment of utilization potential of low hill red soil of Jinhua-Quzhou region based on 3S technology

作　　者：罗鹏[1] 俞志强[2] 殷国庆 曹昊[1] 王珂[1] 

机构地区：[1]浙江大学农业遥感与信息技术应用研究所 [2]浙江省地理信息中心,浙江杭州310012 [3]浙江省围垦局,浙江杭州310014

出　　处：《浙江农业学报》2007年第2期101-105,共5页Acta Agriculturae Zhejiangensis

基　　金：浙江省围垦局(G20050135);浙江省科技厅资助项目(2004C33089)

摘　　要：以金衢地区为例,采用SPOT-5遥感数据和1∶10000 DEM数据及其它辅助数据,进行低丘缓坡红壤土地资源调查及评价。综合运用3S技术,在Arc GIS和ERDAS LMAGINE软件的平台上对原始数据进行处理,建立金衢地区红壤资源信息数据库;同时结合特尔斐法、层次分析法及综合评价法,对金衢地区低丘红壤土地开发利用潜力进行综合评价。结果表明,金衢地区适宜开发的土地资源潜力较大,总计面积50067 hm2,占调查总面积的10%,主要分布在兰溪、义乌、东阳等3个县市;经实地对比校验,与实际情况吻合程度较好。研究表明,将3S技术应用于大比例尺低丘缓坡红壤资源调查及评价能够取得较好的结果,可以实现土地资源开发潜力区的判断和选址,为科学合理地利用丘陵缓坡地区土地资源提供依据。This paper evaluated utilization potential of low hill red soil of Jinhua-Quzhou region by using Spot-5, 1 ： 100130 DEM, and other assistant data, and developed the red soil resources information database. Based on the database, this study integrates Delphi, AHP, and composite index method into the utilization potential assessment of the region. The results showed that 10 percent of the total land areas （approximately 50 067 km^2） were easy to develop and most of them were distributed in Lanxi City, Yiwu City, and Dongyang City. The results coincided highly with the actual situation and showed that 3S technology can be. used as land resources investigation and assessment. The results provide some scientific evidence for making decision.

关 键 词：3S技术 DEM 坡地 土地利用 潜力评价 

分 类 号：TP79[自动化与计算机技术—检测技术与自动化装置]