En-en adult card 20 disruption water cycle: Difference between revisions

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{{Card
== Card #20: Disruption of the Water Cycle ==
|number=20
<center>
|version=adult
 
|title=Disruption Water Cycle
[[File:En-en_adult_card_20_front.png|400px]]
}}<ref>[https://www.ipcc.ch/site/assets/uploads/2018/03/WG1AR5_SummaryVolume_FINAL_FRENCH.pdf#page=106 Page 91 of the Technical Summary of the 5th IPCC Report (French)]</ref>
 
Hotter oceans and a hotter atmosphere lead to stronger evaporation, causing rainclouds and rainfall. Hotter land and a hotter atmosphere also lead to
stronger evaporation, this time causing the ground to dry out.
 
</center>
 
== Explanation ==
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.
 
== Facilitation advice ==
To illustrate that evaporation takes place at the surface of the water, place cards [[En-en_adult_card 17_increase_in water_temperature|17]] and [[En-en adult card 21 temperature rise|21]] on the table, place the lower edge of card 21 against the upper edge of card 17, then place card 20 at the boundary of the two, perpendicularly, to mark the surface of the water (between water and air).


== Correction==
== Correction==
===Causes===
===Causes===
* [[En-en_adult_card_17_increase_in_water_temperature|Increase in Water Temperature]]
* [[En-en_adult_card_17_Rising_Water_Temperatures|Rising Water Temperatures]]
* [[En-en_adult_card_21_temperature_rise|Temperature Rise]]
* [[En-en_adult_card_21_temperature_rise|Rising Air Temperatures]]
* [[En-en_adult_card_42_thermohaline_circulation|Thermohaline Circulation]]
 
=== Consequences ===
=== Consequences ===
* [[En-en_adult_card_25_terrestrial_biodiversity|Terrestrial Biodiversity]]
* [[En-en_adult_card_25_terrestrial_biodiversity|Terrestrial Biodiversity]]
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* [[En-en_adult_card_34_cyclones|Cyclones]]
* [[En-en_adult_card_34_cyclones|Cyclones]]


== Explanation ==
== Other possible links ==
This card is important. It alone shows why we used to talk about global warming and now about climate change.
 
=== Other causes ===
 
* [[En-en adult card 6 deforestation|Deforestation]] Vegetation retains water. When it is cut down, the risk of flooding increases.
*[[En-en adult card 42 weakening gulf stream|Weakening Gulf Stream]]


Temperature increase is in itself a problem, but you can see on the Collage at the end that disruption of the water cycle has much more effect.
=== Other consequences ===


== Facilitation advice ==
* [[En-en adult card 19 melting of ice sheets|Melting ice sheets]] 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.
To illustrate that evaporation takes place at the surface of the water, place cards [[En-en adult card 17 increase in water temperature|17]] and [[En-en adult card 21 temperature rise|21]] on the table, place the lower edge of card 21 against the upper edge of card 17, then place card 20 at the boundary of the two, perpendicularly, to mark the surface of the water (between water and air).
* [[En-en adult card 28 vectors of disease|Vectors of disease]] The Vectors of disease card is generally linked to the [[En-en adult card 25 terrestrial biodiversity|Terrestrial Biodiversity]] card because disease vectors are a sub-part of biodiversity, but it can also be linked to the same causes as the biodiversity card, i.e. Disruption of the Water Cycle and [[En-en adult card 21 temperature rise|Rising Air Temperatures]].


== Other possible links ==
== Wrong links==
=== Wrong causes===


=== Other causes ===
* [[En-en adult card 18 melting of sea ice|Melting Sea Ice]] 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 the "Water Cycle" card does not refer at all to thermohaline circulation.
[[En-en adult card 6 deforestation|Deforestation]] Vegetation retains water. When it is cut down, the risk of flooding increases.


=== Other consequences ===
=== Wrong consequences ===
[[En-en adult card 28 vectors of disease|Vectors of disease]] The Vectors of disease card is generally linked to the [[En-en adult card 25 terrestrial biodiversity|Terrestrial Biodiversity]] card because disease vectors are a sub-part of biodiversity, but it can also be linked to the same causes as the biodiversity card, i.e. Disruption of the Water Cycle and [[En-en adult card 21 temperature rise|Temperature Rise]].


=== Links to be avoided ===
* [[En-en adult card 22 sea level rise|Rising Sea Levels]] No, more rain is not going to cause the oceans to overflow! This is a rare mistake to be made, but if it happens to you, ask the players where rainclouds come from...
[[En-en adult card 18 melting of sea ice|Melting of Sea Ice]] 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 the "Water Cycle" card does not refer at all to the thermohaline circulation.


== To go further ==
== To go further ==


=== Popularisation ===
=== El Niño===
[https://www.oce.global/en/resources/videos/clim-el-nino Explanatory video from OCE on El Niño]
 
===Popularisation===
[https://www.youtube.com/watch?v=zqMmRdsK5WM The Mystery of the Expansion of the Tropics (French)]
[https://www.youtube.com/watch?v=zqMmRdsK5WM The Mystery of the Expansion of the Tropics (French)]


== References ==
==References==
<references />
<references />


[[fr:Fr-fr_adulte_carte_20_perturbation_cycle_eau]]
[[fr:Fr-fr_adulte_carte_20_perturbation_cycle_eau]]