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Dealiasing of Doppler radar velocities using a torus mapping
SMHI, Forskningsavdelningen, Atmosfärisk fjärranalys.
SMHI, Forskningsavdelningen, Atmosfärisk fjärranalys.
2004 (engelsk)Inngår i: Journal of Atmospheric and Oceanic Technology, ISSN 0739-0572, E-ISSN 1520-0426, Vol. 21, nr 10, s. 1566-1573Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A novel dealiasing algorithm for Doppler radar velocity data has been developed at the Swedish Meteorological and Hydrological Institute (SMHI). Unlike most other methods, it does not need independent wind information from other instruments (e.g., nearby radiosonde or wind profiler) or numerical weather prediction (NWP) models. The innovation of the new technique is that it maps the measurements onto the surface of a torus. Dealiased volume radar data can be used in variational assimilation schemes for NWP models through the generation of so-called superobservations. Their use is expected to improve with the introduction of the proposed dealiasing method.

sted, utgiver, år, opplag, sider
2004. Vol. 21, nr 10, s. 1566-1573
HSV kategori
Forskningsprogram
Fjärranalys
Identifikatorer
URN: urn:nbn:se:smhi:diva-1298DOI: 10.1175/1520-0426(2004)021<1566:DODRVU>2.0.CO;2ISI: 000224412600006OAI: oai:DiVA.org:smhi-1298DiVA, id: diva2:818600
Tilgjengelig fra: 2015-06-09 Laget: 2015-05-26 Sist oppdatert: 2017-12-04bibliografisk kontrollert

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