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1、null null 38 null 6 null null null Vol.38, No.6null 2009M 12 Acta Geodaetica et Cartographica Sinica Dec.,2009 c I | :1001null1595(2009)06null0549null07$ # r 4 r 8 S 刘耀林1,2, 焦利民1,21. q v S , q 430079; 2. q v d L i , q 430079Land UseData GeneralizationIndices Based onScaleand Landscape PatternLIUYaol
2、in1,2, JIAOLimin1,21. School of Resourceand Environment Science, Wuhan University, Wuhan 430079, China; 2. KeyLaboratoryofGeographicInfornullmation System, Ministry of Education, Wuhan University, Wuhan430079, ChinaAbstract:Indices for land use data generalization are critical for generating multisc
3、ale land use maps and datanullbases. Previousresearchsuffersfromtwomajor setbacks. Firstly, determinationof thresholdvaluesfor multinullscaleland use data generalizationina largearea, such as a nation, remains subjective. A second problemis generalignorance of landscape pattern. This paper studies t
4、he index systemof land use data generalization from bothscale and landscape pattern perspective. Wediscuss the macroand micro indicesofland usedata generalizationwithconsideration of spatial scales and landscape pattern. To quantitatively relate the indices and scale andlandscape pattern metrics, la
5、nd use data samples have been collected at multiple spatial scales in various landuse regionsacross China. Based on statistic analysis, we then generate both macro and micro control rules forland use data generalizationat variousspatial scalesandland use patterns. Finally, weprove theproposedmethnul
6、lod and achieved resultsto be effective and reasonable withsample data at countylevel.Keywords:land usemap; land use database; landscapepattern; indexof land usedata generalization; landusedata generalizationK null 1 :从尺度效应和土地利用景观格局影响两个层面研究土地利用数据综合的宏观和微观综合指标,设计土地利用数据综合的指标体系和指标定量化描述模型b在全国各个土地利用分区采集不同
7、尺度的具有典型代表性的土地利用数据样本集,通过空间统计分析等方法,得到土地利用数据综合中的宏观控制性指标和微观图形综合指标的尺度变化规律及其与土地利用格局的关系b以一个县为试验区,验证其合理性b1 o M :土地利用图;土地利用数据库;景观格局;土地利用数据综合指标;土地利用数据综合 m s | :P208null null null null D S M :A :国家自然科学基金(40771168)1null 引null 言 r 8 / S I 1 r C m y 1 r o $ b - S 7 Z = Q S r bE ) T (1null1 ) , E ) a g ) a8 ) Q r
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9、 8 S ) , 1 K l m m 10null12 , $ # u r 8 S Y bC 1 i :B % r 8 S 5 ,= r r 8 S Y bDecember 2009 Vol.38 No.6AGCS http: d 9 s Z E ,Y V y r 8 S r S W 1 ,V 4 4 Z y r 8 S 8 b2null 数据和方法2. 1null # ) r A r s u ( V b| S r s 12 r u 13, i I ! S u 14 , r F s u b u | 5 : r u = ( s ,O s u 1 ; r u u = ( V bK S 51 E 4 1null1 a1null5 a1null10 a1null25 r 23 u 1null50 r C m ( s m )b l ) , o _ a q T aU S d M a b B B $ ,
