Sunday, July 27, 2025

Evapotranspiration Forests cool the planet much more than we realize

 https://www.youtube.com/watch?v=Co7eigqN2d8

It's not just biomass growth as carbon sequestration but rather the cooling mechanism via evapotranspiration. 
evapotranspiration, turning water into vapour that rises up to the higher atmosphere, carrying large amounts of absorbed solar energy (in the form of latent heat) with it, preventing it from turning into sensible heat and thereby avoiding the warming of the lower atmosphere. At the same time, plants also send up a variety of biological aerosols together with the water vapour, which serve as the condensation nuclei for water droplets. With that, plants cool the Earth’s surface. So this helps the water vapor to condense on these aerosols, forming clouds, increasing albedo while enabling the transport of latent heat into the higher atmosphere,

 https://www.penguinsonthinice.com/Teleconnection.pdf

A volume of one thousand cubic meters of vapor becomes one cubic metre of rain, creating a sudden vacuum which draws in air from below and from the side, creating wind. Over large forests, these processes are so strong that they drive a powerful biotic pump, which draws in humid air from the oceans, bringing rains deep inland and enabling the forest to thrive thousands of kilometers away from the coast.

The condensation nuclei cause moderate rains, minimizing the potential for extreme flash floods. An intact biotic pump averts droughts by extending the rainy season while bringing moderate rains. This also increases the production of living biomass which in turn draws down carbon

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