TFDD Query Results

Query Results for Sanaga Basin	New map query
The tables below contain data for the entire basin of interest. On the map, each basin is divided into "basin-country" polygons, with each polygon being represented by a single row in the tables below. A highlighted row indicates the specific basin-country polygon that you clicked on the map.

Climate

This table contains data for all of the Climate Zone Subtypes found within:
Basin: Sanaga
Country: Cameroon

Climate Zone Type Code	Climate Zone Type	Climate Zone Subtype Code	Climate Zone Subtype	Area of Subtype in Country (sq km)	Percent of Country in Subtype
A	Tropical	Afi	Tropical isothermal wet climate, year round ppt, average temp > 18 C	116,000	95.08
A	Tropical	Ami	Tropical isothermal monsoon climate, short dry season, average temp > 18 C	2,000	1.64
A	Tropical	Awi	Tropical isothermal climate, distinct dry season, one month with < 60 mm ppt, average temp > 18 C	4,000	3.28
C	Temperate	Cw	Mild climate, dry season in winter	0	0

Citations:

FAO-SDRN Agrometeorology Group (1997). FAO's Environment and Natural Resources Service (SDRN) global climate maps series, United Nations Food and Agricultural Organization SDRN Agrometeorology Group. http://www.fao.org/sd/eidirect/CLIMATE/EIsp0001.htm

Dams

Basin Name	Country	Code	Area (sq km)	Number of Dams	Dam Density (dams/sq km)
Sanaga	Central African Republic	SANA_CAF	792	0	0
Sanaga	Cameroon	SANA_CMR	132,048	3	0.000023
Sanaga	Nigeria	SANA_NGA	592	0	0

Basin-wide:

133,432

0.000022

Citations:

World Water Development Report II. Data Download page at http://wwdrii.sr.unh.edu/download.html

ICOLD. 1984, 1988. World Register of Dams. 1984 full edition and 1988 updating. International Commission on Large Dams, Paris.

International Water Power and Dam Construction. 1994. Handbook. Reed Business Publishing. Sutton, Surrey, U.K. 224 p.

International Water Power and Dam Construction. 1989. The World's Major Dams and Hydro Plants. Global map. Reed Business Publishing, Sutton, Surrey.

Vörösmarty, C. J., K. P. Sharma, B. M. Fekete, A. H. Copeland, J. Holden, J. Marble and J. A. Lough. The Storage and aging of continental runoff in large reservoir systems of the world, AMBIO, 26 (4): 210-219.

Vörösmarty, C.J., M. Meybeck, B. Fekete, K. Sharma, P. Green, and J. Syvitski. 2003. Anthropogenic sediment retention: Major global-scale impact from the population of registered impoundments. Global and Planetary Change 39: 169-190.

Discharge

Basin Name	Country	Code	Area (sq km)	Discharge (cubic km/yr)
Sanaga	Central African Republic	SANA_CAF	792	0
Sanaga	Cameroon	SANA_CMR	132,048	3,000
Sanaga	Nigeria	SANA_NGA	592	0

Basin-wide:

133,432

3,000

Citations:

Discharge calculated by TFDD staff using data from:

Fekete, B., C.J. Vorosmarty, and W. Grabs (2000). UNH/GRDC Composite Runoff Fields V 1.0. Available at http://www.grdc.sr.unh.edu

Irrigation

Basin Name	Country	Code	Area (sq km)	Irrigated Area (sq km)	Percent Irrigated
Sanaga	Central African Republic	SANA_CAF	792	0	0.00
Sanaga	Cameroon	SANA_CMR	132,048	2,600	1.97
Sanaga	Nigeria	SANA_NGA	592	0	0.00

Basin-wide:

133,432

2,600

1.95

Citations:

Döll, P., Siebert, S.(1999): A digital global map of irrigated areas. Kassel World Water Series 1, Center for Environmental Systems Research, University of Kassel, Germany, 23 pp + Appendix. Available at http://wwdrii.sr.unh.edu/download.html

Landcover

This table contains data for all of the Landcover Types found within:
Basin: Sanaga
Country: Cameroon

Landcover Type	Area of Landcover Type in Country (sq km)	Percent of Country in Landcover Type
Urban and Built-Up Land	85	0.07
Cropland/Woodland Mosaic	2,470	1.89
Savanna	81,220	62.14
Deciduous Broadleaf Forest	105	0.08
Evergreen Broadleaf Forest	45,850	35.08
Wooded Wetland	130	0.1
Barren or Sparsely Vegetated	840	0.64

Citations:

USGS-EROS Global 1km Grid GLOBAL LAND COVER CHARACTERISTICS DATA BASE (AVHRR 1km data from April 1992-March 1993). Available at http://edc2.usgs.gov/1KM

Population

Basin Name	Country	Code	Area (sq km)	Population	Population Density (persons/sq km)
Sanaga	Central African Republic	SANA_CAF	792	5,800	7.32
Sanaga	Cameroon	SANA_CMR	132,048	4,310,000	32.64
Sanaga	Nigeria	SANA_NGA	592	16,700	28.21

Basin-wide:

133,432

4,332,500

32.47

Citations:

Oak Ridge National Labrotory (2008). LANDSCAN 2007 Global Population Dataset. Available at http://www.ornl.gov/sci/landscan

Projects

Basin Name	Country	Code	Area (sq km)
Sanaga	Central African Republic	SANA_CAF	792
Sanaga	Cameroon	SANA_CMR	132,048
Sanaga	Nigeria	SANA_NGA	592

Basin-wide:

133,432

Citations:

Values calculated by TFDD staff.

RBOs

Basin Name	Country	Code	Area (sq km)
Sanaga	Central African Republic	SANA_CAF	792
Sanaga	Cameroon	SANA_CMR	132,048
Sanaga	Nigeria	SANA_NGA	592

Basin-wide:

133,432

Citations:

Values calculated by TFDD staff.

Runoff

Basin Name	Country	Code	Area (sq km)	Runoff (mm/yr)
Sanaga	Central African Republic	SANA_CAF	792	539
Sanaga	Cameroon	SANA_CMR	132,048	21,326
Sanaga	Nigeria	SANA_NGA	592	0

Basin-wide:

133,432

21,865

Citations:

Fekete, B.,C.J. Vorosmarty , and W. Grabs (2000). UNH/GRDC Composite Runoff Fields V 1.0. Available at http://www.grdc.sr.unh.edu

Tenders

Basin Name	Country	Code	Area (sq km)
Sanaga	Central African Republic	SANA_CAF	792
Sanaga	Cameroon	SANA_CMR	132,048
Sanaga	Nigeria	SANA_NGA	592

Basin-wide:

133,432

Citations:

Values calculated by TFDD staff.

Treaties

Basin Name	Country	Code	Area (sq km)
Sanaga	Central African Republic	SANA_CAF	792
Sanaga	Cameroon	SANA_CMR	132,048
Sanaga	Nigeria	SANA_NGA	592

Basin-wide:

133,432

Citations:

Values calculated by TFDD staff.

Water Stress

Basin Name	Country	Code	Area (sq km)	Water Stress (cubic m/person/yr)
Sanaga	Central African Republic	SANA_CAF	792	70
Sanaga	Cameroon	SANA_CMR	132,048	700
Sanaga	Nigeria	SANA_NGA	592	0

Citations:

Runoff-Fekete, B.,C.J. Vorosmarty , and W. Grabs (2000). UNH/GRDC Composite Runoff Fields V 1.0. Available at http://www.grdc.sr.unh.edu

Oak Ridge National Labrotory (2008). LANDSCAN 2007 Global Population Dataset. Available at http://www.ornl.gov/sci/landscan

Discharge calculated by TFDD staff.

Basin delineation: Wolf, A.T., Natharius, J.A., et al. (1999)
Data taken from global datasets and are for comparative purposes only.
Data are not accurate for individual basins less than 25,000 sq. km.