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[VD03] River balance
State

Key message
Bad

Despite above-average river run-off in years 2008-2010, a longer temporal string of comparable data (from 1961 to 2010) indicates the decreasing run-off of river water in Slovenia.

Charts

Figure VD03-1: Net run-off as a difference between total run-off and inflow
Sources:

Hidrolog - Hydrology Database, Environmental Agency of the Republic of Slovenia, 2013; (* Data changed, more in Methodology chapter).

Show data
1961 1962 1963 1964 1965 1966 1967 1968 1969 1970
inflow million m3/year 12453 15163 14629 11969 20300 16564 14929 12715 12858 15595
total run-off million m3/year 28699 35475 33294 29531 45265 33854 29115 28472 31449 33382
net run-off million m3/year 16246 20312 18665 17562 24965 17290 14186 15757 18591 17787
1971* 1972 1973 1974 1975 1976 1977 1978 1979 1980
inflow million m3/year 9408 16409 12512 12081 16325 11028 13551 12898 16075 14103
total run-off million m3/year 22074 36552 26541 28743 32543 26566 29571 29262 35669 32300
net run-off million m3/year 12666 20143 14029 16662 16218 15538 16020 16364 19594 18197
1981 1982 1983 1984 1985 1986 1987 1988 1989 1990
inflow million m3/year 12652 13152 11069 11965 12754 13098 14189 12499 13414 11602
total run-off million m3/year 26077 29880 22087 28633 28763 28177 31944 26871 26557 26188
net run-off million m3/year 13425 16728 11018 16668 16009 15079 17755 14372 13143 14586
1991 1992 1993 1994 1995 1996 1997 1998 1999 2000
inflow million m3/year 14611 13736 12566 12033 11746 14737 11706 12344 13873 14299
total run-off million m3/year 30235 28802 25296 25725 28176 32994 24027 28092 29659 30263
net run-off million m3/year 15624 15066 12730 13692 16430 18257 12321 15748 15786 15964
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
inflow million m3/year 11586 11458 9253 13087 12938 11821 10550 11639 16834 13362
total run-off million m3/year 26912 24785 18353 30492 26837 24967 22213 27946 33875 34576
net run-off million m3/year 15326 13327 9100 17405 13899 13146 11663 16307 17041 21214
2011
inflow million m3/year 11134
total run-off million m3/year 21122
net run-off million m3/year 9988
Last modified
07.06.2012
Author(s)

Marjan Bat, Slovenian Environment Agency