20 - Störung des Wasserkreislaufes
![](https://memo.climatefresk.org/cards/v9.0/de-DE/default/20-front.jpg)
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This card is important. It alone shows why we used to talk about global warming and now about climate change. Temperature increase is in itself a problem, but you can see on the Fresk at the end that disruption of the water cycle has much more effect.
2Ursachen
6Auswirkungen
1Andere mögliche Ursache
2Andere möglichen Auswirkungen
It's a bit technical, but the blue part of the map of Antarctica on card 19 represents a gain in mass due to an increase of precipitations. The red part represents a loss in mass. In total, Antarctica is losing mass.
1Üngültige Ursache
The melting of the Arctic ice pack, but also the melting of Greenland's glaciers may lead, in the distant future, to a disruption of the thermohaline circulation (which gives rise to the Gulf Stream). But beware, the "Water Cycle" card does not refer at all to the thermohaline circulation.