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[PP15] Soil drought
State

Key message
Bad

Soil drought has a key impact on plant development and consequently on various industries (forestry, agriculture, …) . Indicators of the number of drought days and the duration of drought periods in individual years show an increase especially after 1990. Similarly, the analysis of the impact of the climate change up to 2100 shows that soil water deficits will increase in the future. The number and the duration of the droughts will increase.

Charts

Figure PP15-1: Average number of days with soil drought (ndSWD), Slovenia, 1971-2019
Sources:

Regional water balance model mGROWA-SI (FZ JÜLICH, Sloveniand Environmental Agency), 2021 (31. 05. 2021)

Show data
  Unit 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
ndSWD number of days 30 3 25 8 3 19 19 7 22 6 12 11 26 13 16 16 13 26 3 21 14 48 46 17 16 17 11 19 9 43 38 15 70 14 14 32 34 10 26 21 40 40 45 8 28 21 48 17 19 22
average 1981-2010 number of days 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22
Figure PP15-2: Average longest uninterrupted consecutive number of days with soil drought (mdSWD), Slovenia, 1971-2019
Sources:

Regional water balance model mGROWA-SI (FZ JÜLICH, Sloveniand Environmental Agency), 2021 (31. 05. 2021)

Show data
    1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
mdSWD number of days 17 2 14 5 2 17 15 6 18 5 7 7 14 7 7 11 8 21 2 12 8 32 30 13   10 6 12 6 23 29 8 46 9 10 28 16 5 14 16 21 26 37 6 12 12 27 11 10 13
average 1981-2010 number of days 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14

Methodology

Date of data source summarization

Related indicators

Last modified
17.07.2021
Author(s)

PhD Peter Frantar, Slovenian Environment Agency