价值工程
價值工程
개치공정
VALUE ENGINEERING
2014年
20期
168-170
,共3页
GIS%层次分析法%基本农田%TOPSIS法
GIS%層次分析法%基本農田%TOPSIS法
GIS%층차분석법%기본농전%TOPSIS법
GIS%AHP%basic farmland%TOPSIS method
为了减少基本农田划定中人为因素的干扰,使基本农田的划定更加科学合理,同时为山地丘陵地区基本农田划定提供经验,综合考虑耕地质量、区位条件和政策因素等多方面的因素,建立耕地入选基本农田的指标体系,对各个指标价值进行标准化处理,得出每一个图斑的综合评价值,利用TOPSIS算法进行排序,生成基本农田保护图件;展示了GIS技术特别是空间分析功能在基本农田划定工作的强大作用和广阔的应用前景,通过客观指标权重的确定方法,使基本农田的划定更加科学合理。
為瞭減少基本農田劃定中人為因素的榦擾,使基本農田的劃定更加科學閤理,同時為山地丘陵地區基本農田劃定提供經驗,綜閤攷慮耕地質量、區位條件和政策因素等多方麵的因素,建立耕地入選基本農田的指標體繫,對各箇指標價值進行標準化處理,得齣每一箇圖斑的綜閤評價值,利用TOPSIS算法進行排序,生成基本農田保護圖件;展示瞭GIS技術特彆是空間分析功能在基本農田劃定工作的彊大作用和廣闊的應用前景,通過客觀指標權重的確定方法,使基本農田的劃定更加科學閤理。
위료감소기본농전화정중인위인소적간우,사기본농전적화정경가과학합리,동시위산지구릉지구기본농전화정제공경험,종합고필경지질량、구위조건화정책인소등다방면적인소,건립경지입선기본농전적지표체계,대각개지표개치진행표준화처리,득출매일개도반적종합평개치,이용TOPSIS산법진행배서,생성기본농전보호도건;전시료GIS기술특별시공간분석공능재기본농전화정공작적강대작용화엄활적응용전경,통과객관지표권중적학정방법,사기본농전적화정경가과학합리。
In order to reduce the interference of human factors in delineation of basic farmland to make the delineation of basic farmland process more scientific and reasonable, as well as provide experience for delineation of basic farmland in mountainous and hilly areas. Based on the comprehensive consideration of land quality, location conditions and policies factors and other factors of farmland, the paper establishes a basic farmland indicators system which can standardize each index value, and draw a diagram of each plaque comprehensive evaluation value, then use TOPSIS algorithm to generate the protection of basic farmland maps; the paper shows GIS technology, especially spatial analysis functions work in basic farmland demarcated powerful role and broad application prospects, through objective method for determining the index weights, makes the basic farmland demarcated more scientific and reasonable.