MIPAS detects Antarctic stratospheric belt of NAT PSCs caused by mountain waves
Space borne infrared limb emission measurements by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) reveal the formation of a belt of polar stratospheric clouds (PSCs) of nitric acid trihydrate (NAT) particles over Antarctica in mid-June 2003. By mesoscale microphysical simulati...
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ftethz:oai:www.research-collection.ethz.ch:20.500.11850/37062 2023-05-15T13:53:55+02:00 MIPAS detects Antarctic stratospheric belt of NAT PSCs caused by mountain waves Höpfner, Michael Larsen, Niels Spang, Reinhold Luo, Beiping P. Ma, J. Svendsen, S.H. Eckermann, Stephen D. Knudsen, Bjørn Massoli, Paola Cairo, Francesco Stiller, Gabriele Von Clarmann, Thomas Fischer, Herbert 2006 application/application/pdf https://hdl.handle.net/20.500.11850/37062 https://doi.org/10.3929/ethz-b-000037062 en eng Copernicus info:eu-repo/semantics/altIdentifier/doi/10.5194/acp-6-1221-2006 info:eu-repo/semantics/altIdentifier/wos/000236950100002 http://hdl.handle.net/20.500.11850/37062 doi:10.3929/ethz-b-000037062 info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/2.5/ Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Generic CC-BY-NC-SA Atmospheric Chemistry and Physics, 6 (5) info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2006 ftethz https://doi.org/20.500.11850/37062 https://doi.org/10.3929/ethz-b-000037062 https://doi.org/10.5194/acp-6-1221-2006 2023-02-13T00:48:47Z Space borne infrared limb emission measurements by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) reveal the formation of a belt of polar stratospheric clouds (PSCs) of nitric acid trihydrate (NAT) particles over Antarctica in mid-June 2003. By mesoscale microphysical simulations we show that this sudden onset of NAT PSCs was caused by heterogeneous nucleation on ice in the cooling phases of large-amplitude stratospheric mountain waves over the Antarctic Peninsula and the Ellsworth Mountains. MIPAS observations of PSCs before this event show no indication for the presence of NAT clouds with volume densities larger than about 0.3 µm3/cm3 and radii smaller than 3 µm, but are consistent with supercooled droplets of ternary H2SO4/HNO3/H2O solution (STS). Simulations indicate that homogeneous surface nucleation rates have to be reduced by three orders of magnitude to comply with the observations. ISSN:1680-7375 ISSN:1680-7367 Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Antarctica ETH Zürich Research Collection Antarctic Antarctic Peninsula Ellsworth Mountains ENVELOPE(-85.000,-85.000,-78.750,-78.750) The Antarctic |
institution |
Open Polar |
collection |
ETH Zürich Research Collection |
op_collection_id |
ftethz |
language |
English |
description |
Space borne infrared limb emission measurements by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) reveal the formation of a belt of polar stratospheric clouds (PSCs) of nitric acid trihydrate (NAT) particles over Antarctica in mid-June 2003. By mesoscale microphysical simulations we show that this sudden onset of NAT PSCs was caused by heterogeneous nucleation on ice in the cooling phases of large-amplitude stratospheric mountain waves over the Antarctic Peninsula and the Ellsworth Mountains. MIPAS observations of PSCs before this event show no indication for the presence of NAT clouds with volume densities larger than about 0.3 µm3/cm3 and radii smaller than 3 µm, but are consistent with supercooled droplets of ternary H2SO4/HNO3/H2O solution (STS). Simulations indicate that homogeneous surface nucleation rates have to be reduced by three orders of magnitude to comply with the observations. ISSN:1680-7375 ISSN:1680-7367 |
format |
Article in Journal/Newspaper |
author |
Höpfner, Michael Larsen, Niels Spang, Reinhold Luo, Beiping P. Ma, J. Svendsen, S.H. Eckermann, Stephen D. Knudsen, Bjørn Massoli, Paola Cairo, Francesco Stiller, Gabriele Von Clarmann, Thomas Fischer, Herbert |
spellingShingle |
Höpfner, Michael Larsen, Niels Spang, Reinhold Luo, Beiping P. Ma, J. Svendsen, S.H. Eckermann, Stephen D. Knudsen, Bjørn Massoli, Paola Cairo, Francesco Stiller, Gabriele Von Clarmann, Thomas Fischer, Herbert MIPAS detects Antarctic stratospheric belt of NAT PSCs caused by mountain waves |
author_facet |
Höpfner, Michael Larsen, Niels Spang, Reinhold Luo, Beiping P. Ma, J. Svendsen, S.H. Eckermann, Stephen D. Knudsen, Bjørn Massoli, Paola Cairo, Francesco Stiller, Gabriele Von Clarmann, Thomas Fischer, Herbert |
author_sort |
Höpfner, Michael |
title |
MIPAS detects Antarctic stratospheric belt of NAT PSCs caused by mountain waves |
title_short |
MIPAS detects Antarctic stratospheric belt of NAT PSCs caused by mountain waves |
title_full |
MIPAS detects Antarctic stratospheric belt of NAT PSCs caused by mountain waves |
title_fullStr |
MIPAS detects Antarctic stratospheric belt of NAT PSCs caused by mountain waves |
title_full_unstemmed |
MIPAS detects Antarctic stratospheric belt of NAT PSCs caused by mountain waves |
title_sort |
mipas detects antarctic stratospheric belt of nat pscs caused by mountain waves |
publisher |
Copernicus |
publishDate |
2006 |
url |
https://hdl.handle.net/20.500.11850/37062 https://doi.org/10.3929/ethz-b-000037062 |
long_lat |
ENVELOPE(-85.000,-85.000,-78.750,-78.750) |
geographic |
Antarctic Antarctic Peninsula Ellsworth Mountains The Antarctic |
geographic_facet |
Antarctic Antarctic Peninsula Ellsworth Mountains The Antarctic |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctica |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctica |
op_source |
Atmospheric Chemistry and Physics, 6 (5) |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.5194/acp-6-1221-2006 info:eu-repo/semantics/altIdentifier/wos/000236950100002 http://hdl.handle.net/20.500.11850/37062 doi:10.3929/ethz-b-000037062 |
op_rights |
info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/2.5/ Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Generic |
op_rightsnorm |
CC-BY-NC-SA |
op_doi |
https://doi.org/20.500.11850/37062 https://doi.org/10.3929/ethz-b-000037062 https://doi.org/10.5194/acp-6-1221-2006 |
_version_ |
1766259397237932032 |