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    Original Research Papers

    Impact assessment of prospective spaceborne Doppler wind lidar observation scenarios

    Authors:

    Gert-Jan Marseille ,

    KNMI, Wilhelminalaan 10, De Bilt, NL
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    Ad Stoffelen,

    KNMI, Wilhelminalaan 10, De Bilt, NL
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    Jan Barkmeijer

    KNMI, Wilhelminalaan 10, De Bilt, NL
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    Abstract

    Anticipating on the success of ADM-Aeolus there is a need to specify the wind observation requirements for the definition of an operational network of spaceborne Doppler wind lidars (DWL) in the post-ADM era, beyond 2012. As a first step, Sensitivity Observing System Experiments (SOSE) have been conducted to investigate the added value of various DWL scenarios in real events with bad forecasts. A database of cases covering the worst 2-d forecasts over Europe and North America for each season over the 1998–2004 period was used for this purpose. Considered DWL scenarios include (i) trains of the Aeolus-type instrument to increase the coverage of single wind components, (ii) a scenario having the same coverage as Aeolus but measuring the complete wind vector and (iii) a targeting scenario giving maximum coverage over the storm track regions. For the Northern Hemisphere extratropics it was found that a DWL network providing a geographically uniform sampling is more beneficial for numerical weather prediction (NWP) than a network providing larger but more localized improvements. A network of Aeolus-type satellites fulfils this goal. The added benefits of a second and third Aeolus in orbit are, respectively, 70 and 110% of the benefit of a single Aeolus DWL.

    How to Cite: Marseille, G.-J., Stoffelen, A. and Barkmeijer, J., 2008. Impact assessment of prospective spaceborne Doppler wind lidar observation scenarios. Tellus A: Dynamic Meteorology and Oceanography, 60(2), pp.234–248. DOI: http://doi.org/10.1111/j.1600-0870.2007.00289.x
      Published on 01 Jan 2008
    Peer Reviewed
     CC BY 4.0
     Accepted on 15 Oct 2007            Submitted on 15 Jan 2007

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