The Amazon Makes Its Own Rainy Season

Water breathed out by Amazon trees starts the rainy season two to three months before winds alone would bring it (NASA JPL).

Image: NASA (ISS013-E-74843).

Last reviewed: 2 sources cited

Explain Like I'm 10

The Five W's of The Amazon Makes Its Own Rainy Season

Who

The rainforest itself, as shown by NASA JPL scientists using satellite data.

Source: NASA JPL, the Amazon makes its own rainy season

What

Transpiration: trees pull water from the ground and release vapor that builds rain clouds.

Source: NASA JPL, the Amazon makes its own rainy season

When

The rainy season now starts in mid-October, two or three months before ocean-driven rains would arrive in December or January.

Source: NASA JPL, the Amazon makes its own rainy season

Where

The southern Amazon.

Source: NASA JPL, the Amazon makes its own rainy season

Why

The finding helps explain why deforestation in this region is linked with reduced rainfall.

Source: NASA JPL, the Amazon makes its own rainy season

Impact Statement

Natural solution

Satellite measurements of water vapor showed the moisture that starts the rains comes from plants. If the dry season grows longer than five to seven months, the forest may not receive enough rain to keep its trees alive and could turn to grassland.

Source: NASA JPL, the Amazon makes its own rainy season

For Further Information: NASA JPL, the Amazon makes its own rainy season

How This Saves People & the Planet

For People

Losing a major Amazonian forest ecosystem could increase Brazilian droughts and potentially disrupt rainfall as far away as Texas, so keeping the forest standing protects water for people.

Source: NASA JPL, the Amazon makes its own rainy season

For Nature

Standing forest makes its own rain, which keeps the forest alive. Pair this with Saharan Dust Feeds the Amazon: dust feeds the trees, and the trees water themselves.

Source: NASA JPL, the Amazon makes its own rainy season

Source: NASA, Saharan dust feeds the Amazon

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For Teachers

Discussion questions

  1. What is The Amazon Makes Its Own Rainy Season, and what problem does it help solve?
  2. Who is behind The Amazon Makes Its Own Rainy Season, and where does the work happen?
  3. How does The Amazon Makes Its Own Rainy Season help both people and nature? Use one fact from this page.

Sources are listed with each fact in the Five W's above.

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Cite This Page

APA

Saving Planets. (n.d.). The Amazon Makes Its Own Rainy Season. https://www.savingplanets.com/Amazon_Rainy_Season.html

MLA

"The Amazon Makes Its Own Rainy Season." Saving Planets, https://www.savingplanets.com/Amazon_Rainy_Season.html.

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