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Geographical Distribution of Woody Biomass Carbon in Tropical Africa: An Updated Database for 2000, NDP-055b

TABLES

Please cite as: Gibbs, H.K. and S. Brown. 2007. Geographical Distribution of Woody Biomass Carbon in Tropical Africa: An Updated Database for 2000, NDP-055b. Available at [http://cdiac.ess-dive.lbl.gov/epubs/ndp/ndp055/ndp055b.html] from the Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, Oak Ridge, Tennessee, U.S.A.

Tables 1-4
  1. Files in this numeric data package
  2. Variable formats of af_biomass.vat
  3. Variable formats of af_carbon.vat
  4. Variable formats of glc_subset_af.vat
  5. Variable formats of land_geo.vat
  6. Variable formats of pb_geo.vat


Table 1. Files in this numeric data package
File No. File name File size (bytes) File description
1 ndp055b.txt k Descriptive text file
2 af_biomass.e00.gz 1136979k biomass (Mg/ha) in woody vegetation in compressed ARC/INFO export file (GRID)
3 af_carbon.e00.gz 1135536 k biomass carbon estimates (Mg/ha) in compressed ARC/INFO export file (GRID)
4 glc_subset_af.e00.gz 9533723 k GLC2000 land cover classification (Africa) in compressed ARC/INFO export file (GRID)
5 land_geo.e00.gz 242000 k ndp055 land cover classification in compressed ARC/INFO export file (GRID)
6 pb80_geo.e00.gz 330502 k potential biomass data in compressed ARC/INFO export file (GRID)
7 af_actualbiomass_2000.gif 85000 k Graphic map showing biomass in woody vegetation
8 africa_forest_2000.gif 55724 k Graphic map showing forest cover
9 biomass_map_diffs.gif 83437 k Graphic map showing changes in biomass between 1980 and 2000



Table 2. Variable formats for af_biomass.vat in af_biomass.e00.gz
Start Col Item Name Data Width Display Width Data Type* Definition and comments
1 VALUE 4 10 B biomass (Mg/ha) in woody vegetation
5 COUNT 4 10 B Number of gridcells assigned to value
*Data types are B-binary, C-character, F-float, I-integer, and N-numeric. F and N data types are real numbers with different precisions (precision is system dependent).



Table 3. Variable formats for af_carbon.vat in af_carbon.e00.gz
Start Col Item Name Data Width Display Width Data Type* Definition and comments
1 VALUE 4 10 B biomass carbon (Mg/ha)
5 COUNT 4 10 B Number of gridcells assigned to value
*Data types are B-binary, C-character, F-float, I-integer, and N-numeric. F and N data types are real numbers with different precisions (precision is system dependent).



Table 4. Variable formats for glc_subset_af.vat in glc_subset_af.e00.gz
Start Col Item Name Data Width Display Width Data Type* Definition and comments
1 VALUE 4 10 B land cover class
5 COUNT 4 10 B Number of gridcells assigned to value
*Data types are B-binary, C-character, F-float, I-integer, and N-numeric. F and N data types are real numbers with different precisions (precision is system dependent).
Note: for a description of the land cover classes, please see Description of Processing Routine.


Table 5. Variable formats for land_geo.vat in land_geo.e00.gz
Start Col Item Name Data Width Display Width Data Type* Definition and comments
1 VALUE 4 10 B ndp-055 land cover class
5 COUNT 4 10 B Number of gridcells assigned to value
*Data types are B-binary, C-character, F-float, I-integer, and N-numeric. F and N data types are real numbers with different precisions (precision is system dependent).
Note: for a description of the land cover classes, please see Description of Processing Routine.


Table 6. Variable formats for pb80_geo.vat in pb_geo.e00.gz
Start Col Item Name Data Width Display Width Data Type* Definition and comments
1 VALUE 4 10 B potential biomass values
5 COUNT 4 10 B Number of gridcells assigned to value
*Data types are B-binary, C-character, F-float, I-integer, and N-numeric. F and N data types are real numbers with different precisions (precision is system dependent).


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