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504BatteryDr (@504DR) · 12/2022 · Tröts: 25.967 · Folger: 691
So 04.08.2024 17:07
Cloud Brightening Could Have Unintended Effects in a Warming World
New research shows that though marine cloud brightening holds potential to temporarily reduce heat stress regionally, the technique has unpredictable and far-reaching outcomes.
By Rishika Pardikar
31 July 2024
Marine cloud brightening is a geoengineering technique aimed at combatting the effects of climate change. It involves spraying aerosols such as sea salt particles into clouds over oceans. These “brightened” clouds reflect more radiation back into space, allowing Earth to cool.
A new study in Nature Climate Change focused on the West Coast of the United States found that though marine cloud brightening (MCB) could bring some relief from summer heat exposure, its effectiveness diminishes under warmer temperature regimes.
The Vulnerable West Coast
The authors used the Community Earth System Model version 2 to simulate MCB in two places: off the coasts of California and the Aleutian Islands of Alaska. The decision to model these places was driven by the fact that they routinely experience heat waves.
Researchers simulated present-day conditions as well those of a “mid-century warming” forecast for around 2050.
https://eos.org/articles/cloud-brightening-could-have-unintended-effects-in-a-warming-world
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