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MISU Seminar | Erland Källén

Aeolus wind satellite in space – first data received

by Erland Källén
Department of Meteorology (MISU) and Centre for Climate Research, Singapore

Time: 11 October 2018, 13h30–14h30
Venue: Rossbysalen C609, Arrhenius Laboratory, 6th floor

Abstact
The Aeolus wind satellite was launched on 22 August this year from the Europe's Spaceport in Kourou, French Guyana. The satellite will measure atmospheric winds using a Doppler wind lidar. It is the first space mission ever to use this revolutionary technology and the first results are very promising. The Aeolus mission is part of the Earth Explorer Programme of ESA and it has taken 20 years to develop the mission.

I will describe the mission development and the expected positive impact on weather prediction as well as climate process understanding. The wind lidar is working in the UV and measures the Doppler shift from particle as well as molecular scattering. This ensures a good vertical and horisontal coverage of wind profiles. Wind measurements are in particular needed in the tropics, today we lack a sufficient coverage of wind information from the operational observing system. The wind profiles will extend from the surface into the lower stratosphere.

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