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The impacts of climate change on water availability

As a result of climate change, average water availability in surface water and groundwater bodies is expected to increase in north-eastern Europe, decrease in southern and south-western Europe, while mixed patterns are expected in the central parts of Europe. Under the 3 ^oC temperature increase scenario (SCP 8.5), the mean summer discharge in Spain and other parts is estimated to become 20 to 40 % lower than it is now. In parts of the other Mediterranean countries the impact is less pronounced, but with reductions in the order of 10 to 20 % still very significant (JRC, 2020b). Aquifer recharge follows roughly the same pattern.