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Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada GLC 2000 Land Cover Database of North America Workshop GLC 2000 “Final.

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Presentation on theme: "Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada GLC 2000 Land Cover Database of North America Workshop GLC 2000 “Final."— Presentation transcript:

1 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada GLC 2000 Land Cover Database of North America Workshop GLC 2000 “Final Results” Ispra, Italy 21-24/03/2003

2 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada

3 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada Legend conversion table for NVSC (FGDC), LCCS and IGBP

4 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada R:NIR; G:SWIR; B:RED Classification Accuracy assessment: Building confidence

5 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada Landsat

6 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada Quantitative accuracy assessment Reference data

7 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada Source: Centre de foresterie des Laurentides Service canadien des forêts

8 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada Assessment of reference data

9 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada Distribution of homogeneity in 1km pixel over Canada Dominant fraction in 1km pixel

10 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada

11 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada

12 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada Areal comparison ·The IGBP Global land cover classification produced by U.S. Geological Survey for the International Geosphere-Biosphere Programme IGBP (Loveland et al., 2000); ·The UMd global land cover classification produced by University Maryland (Hansen et al., 2000); ·The UMB MODIS Global land cover classification produced by University Boston (Hodges 2001); and ·GLC2000_NA North America 2000 Land Cover database, here presented

13 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada Agreement in depicting the forest area over North America among analysed land cover maps Per pixel comparison GLC 2000NA -IGBP GLC 2000NA -UMB GLC 2000NA -UMD Agreement Disagreement non-forest / forest Disagreement forest / non-forest

14 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada Outputs Papers in progress: Latifovic, R., Zhu, Z., Cihlar,J., Giri, C., and Olthof, I. (2003) Land Cover Mapping of North America - Global Land Cover 2000 Latifovic, R., Olthof, I., and Fraser R., Assessing the accuracy of remote sensing based large scaled land cover data Database: NRCan and USGS (2003) Land Cover Database of North America 2000 ftp://ftp.ccrs.nrcan.gc.ca/ftp/ad/EMS/Landcover2000/

15 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada Poster:

16 Applications Division CANADA CENTRE FOR REMOTE SENSING Natural Resources Canada Acknowledgements We also gratefully acknowledge the support of the Canadian Space Agency for this study, the Centre national d’etudes spatiales and European Union for the provision of 2000 VGT data and National Aeronautic and Space Administration for the provision of some ETM+ scenes as part of Satellite Information for the Landcover of Canada (SILC) project. CCRS Team Rasim Latifovic Cihlar Josef Jean Beaubien Ian Olthof Robert Fraser Zhi-Liang Zhu Chandra Giri USGS Team


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