El Niño
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Understanding climate

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ESA / Applications / Observing the Earth / Aeolus

By recording and monitoring the atmosphere, weather and changes occurring in Earth’s oceans and on land, scientists can identify trends and build complex models to help predict the climate of the future. This information can then be used to reach conclusions concerning, for example, global warming and the effects of pollution – which can ultimately help to define mitigating strategies.

By profiling the lowermost 30 km of the atmosphere, Aeolus gives scientists global information on the speed of the wind in near-real time. This will improved our understanding of how wind, pressure, temperature and humidity are interlinked.

The mission will also provide insight into how the wind influences the exchange of heat and moisture between Earth’s surface and the atmosphere.

These aspects are important for understanding climate change.

The mission will also help to predict extreme events such as El Niño, which affects weather around the world.

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