河南师范大学学报(自然科学版)
河南師範大學學報(自然科學版)
하남사범대학학보(자연과학판)
JOURNAL OF HENAN NORMAL UNIVERSITY(NATURAL SCIENCE)
2009年
6期
34-38
,共5页
曹银贵%周伟%袁春%钱铭杰%杨锋%乔陆印%郝银
曹銀貴%週偉%袁春%錢銘傑%楊鋒%喬陸印%郝銀
조은귀%주위%원춘%전명걸%양봉%교륙인%학은
城市土地%集约利用%BP神经网络%GIS
城市土地%集約利用%BP神經網絡%GIS
성시토지%집약이용%BP신경망락%GIS
urban land%intensive use%BP neural network%GIS
选取了14个社会经济指标作为评价指标,采用3层BP神经网络的方法对282个城市市区土地集约利用进行了评价,并将评价结果空间化并进行地域分布统计,结果显示,土地集约利用度高的地区主要分布在东部和中部地区,土地利用粗放的地区主要分布在西部地区;高度集约的城市主要是中等城市,而省会城市多集中在中度集约与一般集约等别上.对评价结果进行了合理性验证,与已有结果的总体趋势一致,其合理率达到71.4%.
選取瞭14箇社會經濟指標作為評價指標,採用3層BP神經網絡的方法對282箇城市市區土地集約利用進行瞭評價,併將評價結果空間化併進行地域分佈統計,結果顯示,土地集約利用度高的地區主要分佈在東部和中部地區,土地利用粗放的地區主要分佈在西部地區;高度集約的城市主要是中等城市,而省會城市多集中在中度集約與一般集約等彆上.對評價結果進行瞭閤理性驗證,與已有結果的總體趨勢一緻,其閤理率達到71.4%.
선취료14개사회경제지표작위평개지표,채용3층BP신경망락적방법대282개성시시구토지집약이용진행료평개,병장평개결과공간화병진행지역분포통계,결과현시,토지집약이용도고적지구주요분포재동부화중부지구,토지이용조방적지구주요분포재서부지구;고도집약적성시주요시중등성시,이성회성시다집중재중도집약여일반집약등별상.대평개결과진행료합이성험증,여이유결과적총체추세일치,기합리솔체도71.4%.
14,social-economic indictors are chosen as the appraisal indicator.The method of 3 layers BP neural network is used for training and simulating,and the error is tolerant.ArcGis 9.2 is taken as the spatial visible tool fulfilling appraising results spatialization.The results are that high intensive cities are in the eastern China and middle China,and the high extensive cities are in the western China,which is associated with the economic developmental zones,meanwhile,high intensive cities are middle cities arid the capital cites are mainly distributed in middle intensiveness and general intensiveness,and the intensiveness trend of tested results are consistent with the researched results,which is 71.4%.