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1、遥感定量反演算法研讨会，2010年7月11-12日北京森林覆盖率与高度的遥感定量反演庞勇1caf.pang@gmail.com;13521588630李增元1,陈尔学1,GuoqingSun2,ChengquanHuang2,MichaelLefsky31中国林科院资源信息研究所2美国马里兰大学地理系3美国科罗拉多州立大学林学系报告大纲1.世界森林资源概况2.森林覆盖率的遥感定量反演3.森林高度的遥感定量反演4.发展趋势报告大纲1.世界森林资源概况2.森林覆盖率的遥感定量反演3.森林高度的遥感定量反演4
2、.发展趋势Theworld’sforests31%OFTOTALLANDAREA4,000,000,000haFromUNFAOTheforestsofAsiaandthePacific-201026%OFTOTALLANDAREA740,000,000haFromUNFAO全球土地覆盖产品中森林的差异Forestdefinitions:IGBPlegend:percenttreecover>60%/treeheight>2mGLC2000legend:percenttreecover>15%/tree
3、height>3mCredit:M.Herold/GOFC-GOLD不同遥感手段的森林回波信号示意图（Lefskyetal.,2003）报告大纲1.世界森林资源概况2.森林覆盖率的遥感定量反演3.森林高度的遥感定量反演4.发展趋势VegetationContinuousFieldsVegetationContinuousFieldsPercenttreecoverfromMODISyear2001.SlidefromJ.Townshend,UMDVegetationContinuousFieldsLea
4、ftype%broadleaf%needleleaf%deciduous%evergreenSlidefromJ.Townshend,UMDGLOBCOVER(2005/6)Datasetrelease:September2008GlobCoverLegend–22LCCSclasses+51sub-classesatregionallevelRainfedCroplandMosaicgrassland(50-70%)andforestorshrubland(20-50%)Post-floodingor
5、irrigatedcroplandsClosedtoopen(>15%)shrubland(<5m)Mosaiccropland(50-70%)/vegetationClosedtoopen(>15%)grassland(grassland/shrubland/forest)(20-50%)Mosaicvegetation(grassland/shrubland/forest)Sparse(<15%)vegetation(50-70%)/cropland(20-50%)Closed(>40%)broad
6、leavedforestregularlyflooded,freshwater*Closedtoopen(>15%)broadleavedevergreenand/orsemi-deciduousforestClosed(>40%)broadleavedsemi-deciduous(>5m)and/orevergreenforestregularlyflooded,Closed(>40%)broadleaveddeciduoussalinewaterforest(>5m)Closedtoopen(>15
7、%)grasslandorOpen(15-40%)broadleaveddeciduousshrublandorwoodyvegetationonregularlyforest/woodland(>5m)floodedorwaterloggedsoil,fresh,brackishClosed(>40%)needle-leavedevergreenorsalinewaterArtificialsurfacesandassociatedareasforest(>5m)(Urbanareas>50%)Ope
8、n(15-40%)needle-leaveddeciduousBareAreasorevergreenforest(>5m)Closedtoopen(>15%)mixedbroadleavedWaterBodiesandneedleavedforestPermanentSnowandIceMosaicforestorshrubland(50-70%)andgrassland(20-50%)NoData*Resultingfromtheref
