On the variability of temperature profiles in the stratosphere: Implications for validation
International audience Defining space-time collocation criteria for the validation of measurements requires the information about natural variability of geophysical parameters. In this paper, we analyzed the variability of the small-scale structure of temperature fields in the stratosphere using tem...
Published in: | Geophysical Research Letters |
---|---|
Main Authors: | , , , |
Other Authors: | , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2008
|
Subjects: | |
Online Access: | https://hal.science/hal-00344904 https://hal.science/hal-00344904/document https://hal.science/hal-00344904/file/Sofieva_et_al-2008-Geophysical_Research_Letters.pdf https://doi.org/10.1029/2008GL035539 |
id |
ftsorbonneuniv:oai:HAL:hal-00344904v1 |
---|---|
record_format |
openpolar |
spelling |
ftsorbonneuniv:oai:HAL:hal-00344904v1 2023-06-11T04:16:40+02:00 On the variability of temperature profiles in the stratosphere: Implications for validation Sofieva, Viktoria F. Dalaudier, Francis Kivi, R. Kyrö, E. Finnish Meteorological Institute (FMI) Service d'aéronomie (SA) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) 2008 https://hal.science/hal-00344904 https://hal.science/hal-00344904/document https://hal.science/hal-00344904/file/Sofieva_et_al-2008-Geophysical_Research_Letters.pdf https://doi.org/10.1029/2008GL035539 en eng HAL CCSD American Geophysical Union info:eu-repo/semantics/altIdentifier/doi/10.1029/2008GL035539 hal-00344904 https://hal.science/hal-00344904 https://hal.science/hal-00344904/document https://hal.science/hal-00344904/file/Sofieva_et_al-2008-Geophysical_Research_Letters.pdf doi:10.1029/2008GL035539 info:eu-repo/semantics/OpenAccess ISSN: 0094-8276 EISSN: 1944-8007 Geophysical Research Letters https://hal.science/hal-00344904 Geophysical Research Letters, 2008, 35 (23), pp.L23808. ⟨10.1029/2008GL035539⟩ temperature profiles stratosphere [PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] info:eu-repo/semantics/article Journal articles 2008 ftsorbonneuniv https://doi.org/10.1029/2008GL035539 2023-05-30T00:22:58Z International audience Defining space-time collocation criteria for the validation of measurements requires the information about natural variability of geophysical parameters. In this paper, we analyzed the variability of the small-scale structure of temperature fields in the stratosphere using temperature profiles from radio-soundings at Sodankylä (vertical resolution ∼10 m) with a small time difference between sonde launches. We found that the small-scale structures in temperature profiles become different when the horizontal separation of measurements exceeds 20–30 km. The set of the collocated temperature profiles has allowed obtaining experimental estimates of the horizontal structure function of temperature fluctuations. The spectral analysis of the profiles has shown that vertical wavenumber spectra of temperature fluctuations are similar, even for profiles separated significantly in space and time (a few hundreds of kilometers, a few hours). Implications of these results for validation of high-resolution profiles are discussed. Article in Journal/Newspaper Sodankylä HAL Sorbonne Université Sodankylä ENVELOPE(26.600,26.600,67.417,67.417) Geophysical Research Letters 35 23 |
institution |
Open Polar |
collection |
HAL Sorbonne Université |
op_collection_id |
ftsorbonneuniv |
language |
English |
topic |
temperature profiles stratosphere [PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] |
spellingShingle |
temperature profiles stratosphere [PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] Sofieva, Viktoria F. Dalaudier, Francis Kivi, R. Kyrö, E. On the variability of temperature profiles in the stratosphere: Implications for validation |
topic_facet |
temperature profiles stratosphere [PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] |
description |
International audience Defining space-time collocation criteria for the validation of measurements requires the information about natural variability of geophysical parameters. In this paper, we analyzed the variability of the small-scale structure of temperature fields in the stratosphere using temperature profiles from radio-soundings at Sodankylä (vertical resolution ∼10 m) with a small time difference between sonde launches. We found that the small-scale structures in temperature profiles become different when the horizontal separation of measurements exceeds 20–30 km. The set of the collocated temperature profiles has allowed obtaining experimental estimates of the horizontal structure function of temperature fluctuations. The spectral analysis of the profiles has shown that vertical wavenumber spectra of temperature fluctuations are similar, even for profiles separated significantly in space and time (a few hundreds of kilometers, a few hours). Implications of these results for validation of high-resolution profiles are discussed. |
author2 |
Finnish Meteorological Institute (FMI) Service d'aéronomie (SA) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Sofieva, Viktoria F. Dalaudier, Francis Kivi, R. Kyrö, E. |
author_facet |
Sofieva, Viktoria F. Dalaudier, Francis Kivi, R. Kyrö, E. |
author_sort |
Sofieva, Viktoria F. |
title |
On the variability of temperature profiles in the stratosphere: Implications for validation |
title_short |
On the variability of temperature profiles in the stratosphere: Implications for validation |
title_full |
On the variability of temperature profiles in the stratosphere: Implications for validation |
title_fullStr |
On the variability of temperature profiles in the stratosphere: Implications for validation |
title_full_unstemmed |
On the variability of temperature profiles in the stratosphere: Implications for validation |
title_sort |
on the variability of temperature profiles in the stratosphere: implications for validation |
publisher |
HAL CCSD |
publishDate |
2008 |
url |
https://hal.science/hal-00344904 https://hal.science/hal-00344904/document https://hal.science/hal-00344904/file/Sofieva_et_al-2008-Geophysical_Research_Letters.pdf https://doi.org/10.1029/2008GL035539 |
long_lat |
ENVELOPE(26.600,26.600,67.417,67.417) |
geographic |
Sodankylä |
geographic_facet |
Sodankylä |
genre |
Sodankylä |
genre_facet |
Sodankylä |
op_source |
ISSN: 0094-8276 EISSN: 1944-8007 Geophysical Research Letters https://hal.science/hal-00344904 Geophysical Research Letters, 2008, 35 (23), pp.L23808. ⟨10.1029/2008GL035539⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1029/2008GL035539 hal-00344904 https://hal.science/hal-00344904 https://hal.science/hal-00344904/document https://hal.science/hal-00344904/file/Sofieva_et_al-2008-Geophysical_Research_Letters.pdf doi:10.1029/2008GL035539 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1029/2008GL035539 |
container_title |
Geophysical Research Letters |
container_volume |
35 |
container_issue |
23 |
_version_ |
1768375126439493632 |