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Tropical stratospheric zonal winds in ECMWF ERA-40 reanalysis, rocketsonde data, and rawinsonde data

Abstract:

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 e...

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Publication status:
Published

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Publisher copy:
10.1029/2004GL022328
Journal:
GEOPHYSICAL RESEARCH LETTERS More from this journal
Volume:
32
Issue:
9
Pages:
1-5
Publication date:
2005-05-07
DOI:
ISSN:
0094-8276
Language:
English
Pubs id:
pubs:324934
UUID:
uuid:67a2b81a-d540-4bd2-b30c-5cb46a4fc88f
Local pid:
pubs:324934
Source identifiers:
324934
Deposit date:
2012-12-19

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