30 - Secas

1
Cause

Perturbação do ciclo da água

Perturbação do ciclo da água

4
Consequences

Enchentes

Secas

See card n26: "If the soil is dried by drought it's worse because the water runs off."

Reservas de Água Doce

Secas

Declínio da produção agrícola

Secas

Incêndios Florestais

Secas

2
Other possible causes

Desmatamento

Desmatamento

Deforestation can be the direct cause of droughts because trees stock a lot of water. If they are cut down, they no longer play their part as humidity regulators.

Ondas de Calor

Ondas de Calor

Heatwaves can cause droughts. They often go together.

1
Other possible consequence

Sequestros de carbono

Secas

If a lack of rain occurs while plants are growing, there is less photosynthesis and therefore a reduction in capacity of the carbon sink. In Europe, in 2018, carbon sinks declined by 18%.