anastassia makarieva

Origin and fate of atmospheric moisture over continents

Origin and fate of atmospheric moisture over continents

Very interesting presentation of Hubert Savenije (Delft University of Technology, The Netherlands) at the 2012 General Assembly of the European Geosciences Union. It is very fascinating research showing how much rain on land stems from the recycling of water on land (“precipitation recycling”) – and that is partially huge! Combine this with the “flying rivers” from Antonio Nobre (and others) and the biotic pump from Anastassia Makarieva (and others) – and its a perfect set for nature doing its best to develop and maintain perfect growing conditions for itself (see Gaia hypothesis of James Lovelock and Lynn Margulis).

On the first graphic from their paper, one can see how much of the precipitation falling on land stems from evapotranspiration from land. On the second one can see how much a region participates through evapotranspiration to the precipitations somewhere else.




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Conserving old growth forests is key to stabilising the Earth’s climate

Conserving old growth forests is key to stabilising the Earth’s climate

The Club of Rome is disseminating the the latest study on the climatic effects of forests, led by Anastassia Makarieva:

Do forests create rain? It is a question that has been debated for a long time. We know that trees produce huge amounts of water vapor that is pumped from humidity in the ground and condensed into clouds that generate rain, but the mechanisms that govern condensation and vapor water movements are still not completely clear.

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