Tropical stratospheric zonal winds in ECMWF ERA-40 reanalysis, rocketsonde data, and rawinsonde data
ECMWF ERA-40 reanalysis zonal winds are very close to tropical rocketsonde and rawinsonde (radiosonde and radar wind soundings) observations up to 10 hPa. Above 10 hPa differences increase, although the ERA-40 data provide a good representation of tropical winds up to 2-3 hPa. The amplitudes of the...
Main Authors: | , |
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Format: | Journal article |
Language: | English |
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2005
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author | Baldwin, M Gray, L |
author_facet | Baldwin, M Gray, L |
author_sort | Baldwin, M |
collection | OXFORD |
description | ECMWF ERA-40 reanalysis zonal winds are very close to tropical rocketsonde and rawinsonde (radiosonde and radar wind soundings) observations up to 10 hPa. Above 10 hPa differences increase, although the ERA-40 data provide a good representation of tropical winds up to 2-3 hPa. The amplitudes of the quasi-biennial oscillation (QBO) and the semi-annual oscillation (SAO) derived from ERA-40 data match the rawinsonde and rocketsonde observations up to 2-3 hPa. We conclude that zonal-mean ERA-40 equatorial winds could be used, for most purposes, in place of rawinsonde station observations. Copyright 2005 by the American Geophysical Union. |
first_indexed | 2024-03-06T23:17:32Z |
format | Journal article |
id | oxford-uuid:67a2b81a-d540-4bd2-b30c-5cb46a4fc88f |
institution | University of Oxford |
language | English |
last_indexed | 2024-03-06T23:17:32Z |
publishDate | 2005 |
record_format | dspace |
spelling | oxford-uuid:67a2b81a-d540-4bd2-b30c-5cb46a4fc88f2022-03-26T18:39:33ZTropical stratospheric zonal winds in ECMWF ERA-40 reanalysis, rocketsonde data, and rawinsonde dataJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:67a2b81a-d540-4bd2-b30c-5cb46a4fc88fEnglishSymplectic Elements at Oxford2005Baldwin, MGray, LECMWF ERA-40 reanalysis zonal winds are very close to tropical rocketsonde and rawinsonde (radiosonde and radar wind soundings) observations up to 10 hPa. Above 10 hPa differences increase, although the ERA-40 data provide a good representation of tropical winds up to 2-3 hPa. The amplitudes of the quasi-biennial oscillation (QBO) and the semi-annual oscillation (SAO) derived from ERA-40 data match the rawinsonde and rocketsonde observations up to 2-3 hPa. We conclude that zonal-mean ERA-40 equatorial winds could be used, for most purposes, in place of rawinsonde station observations. Copyright 2005 by the American Geophysical Union. |
spellingShingle | Baldwin, M Gray, L Tropical stratospheric zonal winds in ECMWF ERA-40 reanalysis, rocketsonde data, and rawinsonde data |
title | Tropical stratospheric zonal winds in ECMWF ERA-40 reanalysis, rocketsonde data, and rawinsonde data |
title_full | Tropical stratospheric zonal winds in ECMWF ERA-40 reanalysis, rocketsonde data, and rawinsonde data |
title_fullStr | Tropical stratospheric zonal winds in ECMWF ERA-40 reanalysis, rocketsonde data, and rawinsonde data |
title_full_unstemmed | Tropical stratospheric zonal winds in ECMWF ERA-40 reanalysis, rocketsonde data, and rawinsonde data |
title_short | Tropical stratospheric zonal winds in ECMWF ERA-40 reanalysis, rocketsonde data, and rawinsonde data |
title_sort | tropical stratospheric zonal winds in ecmwf era 40 reanalysis rocketsonde data and rawinsonde data |
work_keys_str_mv | AT baldwinm tropicalstratosphericzonalwindsinecmwfera40reanalysisrocketsondedataandrawinsondedata AT grayl tropicalstratosphericzonalwindsinecmwfera40reanalysisrocketsondedataandrawinsondedata |