TFDD Query Results

Query Results for Gambia 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: Gambia
Country: Senegal

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	Am	Tropical monsoon climate, short dry season, average temp > 18 C	33,000	73.33
B	Dry	BSh	Dry climate, semi arid grassland steppe, hot annual temps > 18 C	12,000	26.67

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)
Gambia	Guinea	GAMB_GIN	13,115
Gambia	Gambia, The	GAMB_GMB	5,911
Gambia	Senegal	GAMB_SEN	50,510

Basin-wide:

69,536

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)
Gambia	Guinea	GAMB_GIN	13,115	10
Gambia	Gambia, The	GAMB_GMB	5,911	3
Gambia	Senegal	GAMB_SEN	50,510	100

Basin-wide:

69,536

113

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
Gambia	Guinea	GAMB_GIN	13,115	100	0.76
Gambia	Gambia, The	GAMB_GMB	5,911	200	3.38
Gambia	Senegal	GAMB_SEN	50,510	0	0.00

Basin-wide:

69,536

300

0.43

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: Gambia
Country: Senegal

Landcover Type	Area of Landcover Type in Country (sq km)	Percent of Country in Landcover Type
Urban and Built-Up Land	10	0.02
Dryland, Cropland, and Pasture	200	0.4
Cropland/Woodland Mosaic	4,640	9.19
Grassland	125	0.25
Savanna	45,530	90.15

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)
Gambia	Guinea	GAMB_GIN	13,115	530,800	40.47
Gambia	Gambia, The	GAMB_GMB	5,911	534,800	90.48
Gambia	Senegal	GAMB_SEN	50,510	788,200	15.60

Basin-wide:

69,536

1,853,800

26.66

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)	Number of Projects
Gambia	Guinea	GAMB_GIN	13,115	1
Gambia	Gambia, The	GAMB_GMB	5,911	1
Gambia	Senegal	GAMB_SEN	50,510	1

Basin-wide:

69,536

Citations:

Values calculated by TFDD staff.

RBOs

Basin Name	Country	Code	Area (sq km)	Number of RBOs
Gambia	Guinea	GAMB_GIN	13,115	1
Gambia	Gambia, The	GAMB_GMB	5,911	0
Gambia	Senegal	GAMB_SEN	50,510	0

Basin-wide:

69,536

Citations:

Values calculated by TFDD staff.

Runoff

Basin Name	Country	Code	Area (sq km)	Runoff (mm/yr)
Gambia	Guinea	GAMB_GIN	13,115	763
Gambia	Gambia, The	GAMB_GMB	5,911	508
Gambia	Senegal	GAMB_SEN	50,510	1,937

Basin-wide:

69,536

3,208

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)
Gambia	Guinea	GAMB_GIN	13,115
Gambia	Gambia, The	GAMB_GMB	5,911
Gambia	Senegal	GAMB_SEN	50,510

Basin-wide:

69,536

Citations:

Values calculated by TFDD staff.

Treaties

Basin Name	Country	Code	Area (sq km)	Number of Treaties
Gambia	Guinea	GAMB_GIN	13,115	2
Gambia	Gambia, The	GAMB_GMB	5,911	2
Gambia	Senegal	GAMB_SEN	50,510	2

Basin-wide:

69,536

Citations:

Values calculated by TFDD staff.

Water Stress

Basin Name	Country	Code	Area (sq km)	Water Stress (cubic m/person/yr)
Gambia	Guinea	GAMB_GIN	13,115	20
Gambia	Gambia, The	GAMB_GMB	5,911	10
Gambia	Senegal	GAMB_SEN	50,510	100

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.