Economic and Environmental Geology

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Table. 2.

Table. 2.

Annual water budget analysis results in the past (2001~2018)

Year Precipitation (mm/yr) Interception (mm/yr) Runoff (mm/yr) Evapotranspiration (mm/yr) Groundwater recharge (mm/yr) Recharge rate (%)
2001 1037.6 118.6 234.7 584.0 103.7 10.0
2002 1071.5 130.9 217.8 616.3 78.0 7.3
2003 1459.8 173.0 364.6 644.5 281.0 19.3
2004 1213.2 153.4 242.3 631.5 181.0 14.9
2005 1307.2 131.7 356.6 598.9 226.0 17.3
2006 890.7 113.1 197.9 574.2 103.7 11.6
2007 1405.3 173.8 317.4 566.8 266.5 19.0
2008 1069.0 172.4 167.1 590.9 155.9 14.6
2009 1262.1 174.3 270.7 622.3 169.9 13.5
2010 1654.6 196.2 459.2 604.2 431.3 26.1
2011 1750.8 186.1 501.9 569.8 492.9 28.2
2012 1496.4 156.9 414.0 543.1 347.4 23.2
2013 1111.3 144.1 230.0 616.7 133.8 12.0
2014 1054.2 157.1 177.9 583.6 133.0 12.6
2015 799.1 130.7 83.9 577.3 28.8 3.6
2016 869.8 109.1 147.9 591.1 33.4 3.8
2017 1014.4 150.6 180.1 537.7 151.7 15.0
2018 1325.9 139.3 348.3 594.8 225.3 17.0
Minimum 799.1 109.1 83.9 537.7 28.8 3.6
Maximum 1750.8 196.2 501.9 644.5 492.9 28.2
Average 1210.7 150.6 272.9 591.6 196.9 14.9
Median 1162.2 152.0 238.5 591.0 162.9 14.8
Econ. Environ. Geol. 2021;54:161-76 https://doi.org/10.9719/EEG.2021.54.2.161
© 2021 Econ. Environ. Geol.