than 1 m.
[15] Groundwater abstraction varies seasonally as well as
yearly owing to variable demands for irrigation. Abstraction
for domestic and industrial purposes amounts to approxi-
mately 10 mm/a. A model study for the area showed an
average groundwater abstraction for irrigation of approxi-
mately 20 mm/a [Henriksen and Sonnenborg, 2003]. How-
ever, the demand for irrigation can be up to 50 mm
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