Impact assessment of prospective spaceborne Doppler wind lidar observation scenarios

Gert-Jan Marseille; Ad Stoffelen; Jan Barkmeijer

doi:10.1111/j.1600-0870.2007.00289.x

Impact assessment of prospective spaceborne Doppler wind lidar observation scenarios

Tellus

Volume 60 (2008): Issue 2

By: Gert-Jan Marseille, Ad Stoffelen and Jan Barkmeijer

Open Access

|Jan 2008

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.

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Articles in this issue

DOI: https://doi.org/10.1111/j.1600-0870.2007.00289.x | Journal eISSN: 3035-9554

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Language: English

Page range: 234 - 248

Submitted on: Jan 15, 2007

Accepted on: Oct 15, 2007

Published on: Jan 1, 2008

Published by: Stockholm University Press

In partnership with: Paradigm Publishing Services

© 2008 Gert-Jan Marseille, Ad Stoffelen, Jan Barkmeijer, published by Stockholm University Press
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 60 (2008): Issue 2