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Colombia

Dynamics of water use in Colombia by estimates of SHI (1998)


 



 

 
1960
1970
1980
1990
1995
2000
2010
2025
                 
Popultion, mln*
15.4
21.1
25.9
32.3
35.0
37.6
42.7
48.5
Irrigation area, th.ha**
  
250
310
520
  
570
585
600
Irrigation area, th.ha***
226
250
400
680
1037
      
GNP, $US per capita****
  
792
1106
1246
        
Water withdrawal, km3
2.2
2.95
3.59
5.55
5.95
6.45
7.78
10.48
Water consumption, km3
0.96
1.2
1.4
2.3
2.4
2.5
2.6
2.9
notes: * - Source: United Nations Organization
** - 1961-1993 Source: FAO Production Yearbook, 1965-1994. Rome: FAO; 1995 – 2025 - SHI 1995 forecast
*** - Source: Gleick, 1998
**** - Source: World Bank / IMF – International Financial Statistics Yearbook, 1980-1994. N.Y.: World Bank/IMF

Water use of Colombia (km3/year) by data of different authors


 



 

author
  
year
1987
1990
20251)
20252)
IIASA
withdrawal
1993
  
5.8
    
WRI
withdrawal
1993
5.34
      
WRI
withdrawal
1997-98
5.3
      
WWDS
withdrawal
1998
  
5.61
9.8
8.7
UNSY
withdrawal
1992
  
5.56
    
Gleick
withdrawal
1993
5.34
      
Gleick
withdrawal
1998
  
5.34
    

notes: all estimates include water use for agriculture, industrial & domestic needs;

1) – scenario 1

2) – scenario 2

IIASA – Kulshreshtha S.N., 1993. World Water Resources & Regional Vulnerability: impact of future changes. Luxenburg: IIASA.

WRI – World Resources (1991-1992, 1992-1993, 1994, 1996, 1997-1998) – N.Y.: Oxford Univ. Press.

WWDS – World Water Resources. Demand & Supply: 1990 to 2025., 1998. Scenarious & Issues. Colombo:IWMI.

UNSY – United National Statistical Yearbook 1992, 39, 1993– N.Y..:UN.

Gleick, 1993 - Water in Crisis. A Guide to the World's Fresh Water Resources, 1993. Edited by P. Gleick. N.Y. Oxford Univ.Press.

Gleick, 1998 - The World’s Water. The Beneficial Report on Freshwater Resources 1998-1999, 1998, Peter Gleick, Washington, D.C. Covello, California.