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.ornl.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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