Polar Stratospheric Cloud Measurements by Multispectral Lidar at Sodankyla in Winter 1994/95
Polar stratospheric clouds (PSC) play a major role in the process of Arctic and Antarctic ozone depletion due to heterogeneous chemical reactions responsible for chlorine acti-vation, and particle sedimentation redistributing nitrogen species in the stratosphere. Therefore the phase, size and the co...
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ftingv:oai:www.earth-prints.org:2122/2741 2023-05-15T13:51:39+02:00 Polar Stratospheric Cloud Measurements by Multispectral Lidar at Sodankyla in Winter 1994/95 Wedekind, C. Immler, F. Mielke, B. Rairoux, P. Stein, B. Woste, L. Del Guasta, M. Morandi, M. Stefanutti, L. Masci, F. Rizi, V. Matthey, R. Mitev, V. Douard, M. Wolf, J. P. Kyro, E. Wedekind, C.; Freie Universitat Berlin, Germany Immler, F.; Freie Universitat Berlin, Germany Mielke, B.; Freie Universitat Berlin, Germany Rairoux, P.; Freie Universitat Berlin, Germany Stein, B.; Freie Universitat Berlin, Germany Woste, L.; Freie Universitat Berlin, Germany Del Guasta, M.; IROE-CNR, Firenze, Italy Morandi, M.; IROE-CNR, Firenze, Italy Stefanutti, L.; IROE-CNR, Firenze, Italy Masci, F.; ING, Italy Rizi, V.; Dipartimento di Fisica, Università di L'Aquila, Italy Matthey, R.; Observatoire Cantonal Neuchatel, Switzerland Mitev, V.; Observatoire Cantonal Neuchatel, Switzerland Douard, M.; Universitè Lyon, France Wolf, J. P.; Universitè Lyon, France Kyro, E.; FMI, Sodankyla, Finland Ansmann, A. Neuber, R. Rairoux, P. Freie Universitat Berlin, Germany IROE-CNR, Firenze, Italy ING, Italy Dipartimento di Fisica, Università di L'Aquila, Italy Observatoire Cantonal Neuchatel, Switzerland Universitè Lyon, France FMI, Sodankyla, Finland 1996-07-22 http://hdl.handle.net/2122/2741 en eng Springer Polar Stratospheric Cloud Measurements by Multispectral Lidar at Sodankyla in Winter 1994/95 http://hdl.handle.net/2122/2741 open PSC LIDAR 01. Atmosphere::01.01. Atmosphere::01.01.99. General or miscellaneous Conference paper 1996 ftingv 2022-07-29T06:04:34Z Polar stratospheric clouds (PSC) play a major role in the process of Arctic and Antarctic ozone depletion due to heterogeneous chemical reactions responsible for chlorine acti-vation, and particle sedimentation redistributing nitrogen species in the stratosphere. Therefore the phase, size and the composition of PSCs should be known. PSC can be divided into PSC type I, observed at temperatures some degrees above the ice frostpoint, and PSC type II consisting of water ice particles occurring at temperatures below the frostpoint. PSC type I can be subdivided into aspherical (type Ia) and spherical (type Ib) particles. Measurements of gas phase HNO3 removal in presence of PSCs and labora¬tory studies led to the assumption that PSC type I consist of nitric acid trihydrate and theparticle shape depends on the cooling rate [1]. However the explanation ofPSC I based solely on the NAT-hypothesis can not explain a large amount of data [2], and other compositions like liquid supercooled ternary solu¬tions (STS) of H2O, HNO3 and H2SO 4 are discussed now [3]. Multiwavelength, 2-polarization lidar measurements give information about the size distribution, refractive index and physical state of the cloud particles. Published Berlin, Germany 1.8. Osservazioni di geofisica ambientale open Conference Object Antarc* Antarctic Arctic Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia) Antarctic Arctic |
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Open Polar |
collection |
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia) |
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ftingv |
language |
English |
topic |
PSC LIDAR 01. Atmosphere::01.01. Atmosphere::01.01.99. General or miscellaneous |
spellingShingle |
PSC LIDAR 01. Atmosphere::01.01. Atmosphere::01.01.99. General or miscellaneous Wedekind, C. Immler, F. Mielke, B. Rairoux, P. Stein, B. Woste, L. Del Guasta, M. Morandi, M. Stefanutti, L. Masci, F. Rizi, V. Matthey, R. Mitev, V. Douard, M. Wolf, J. P. Kyro, E. Polar Stratospheric Cloud Measurements by Multispectral Lidar at Sodankyla in Winter 1994/95 |
topic_facet |
PSC LIDAR 01. Atmosphere::01.01. Atmosphere::01.01.99. General or miscellaneous |
description |
Polar stratospheric clouds (PSC) play a major role in the process of Arctic and Antarctic ozone depletion due to heterogeneous chemical reactions responsible for chlorine acti-vation, and particle sedimentation redistributing nitrogen species in the stratosphere. Therefore the phase, size and the composition of PSCs should be known. PSC can be divided into PSC type I, observed at temperatures some degrees above the ice frostpoint, and PSC type II consisting of water ice particles occurring at temperatures below the frostpoint. PSC type I can be subdivided into aspherical (type Ia) and spherical (type Ib) particles. Measurements of gas phase HNO3 removal in presence of PSCs and labora¬tory studies led to the assumption that PSC type I consist of nitric acid trihydrate and theparticle shape depends on the cooling rate [1]. However the explanation ofPSC I based solely on the NAT-hypothesis can not explain a large amount of data [2], and other compositions like liquid supercooled ternary solu¬tions (STS) of H2O, HNO3 and H2SO 4 are discussed now [3]. Multiwavelength, 2-polarization lidar measurements give information about the size distribution, refractive index and physical state of the cloud particles. Published Berlin, Germany 1.8. Osservazioni di geofisica ambientale open |
author2 |
Wedekind, C.; Freie Universitat Berlin, Germany Immler, F.; Freie Universitat Berlin, Germany Mielke, B.; Freie Universitat Berlin, Germany Rairoux, P.; Freie Universitat Berlin, Germany Stein, B.; Freie Universitat Berlin, Germany Woste, L.; Freie Universitat Berlin, Germany Del Guasta, M.; IROE-CNR, Firenze, Italy Morandi, M.; IROE-CNR, Firenze, Italy Stefanutti, L.; IROE-CNR, Firenze, Italy Masci, F.; ING, Italy Rizi, V.; Dipartimento di Fisica, Università di L'Aquila, Italy Matthey, R.; Observatoire Cantonal Neuchatel, Switzerland Mitev, V.; Observatoire Cantonal Neuchatel, Switzerland Douard, M.; Universitè Lyon, France Wolf, J. P.; Universitè Lyon, France Kyro, E.; FMI, Sodankyla, Finland Ansmann, A. Neuber, R. Rairoux, P. Freie Universitat Berlin, Germany IROE-CNR, Firenze, Italy ING, Italy Dipartimento di Fisica, Università di L'Aquila, Italy Observatoire Cantonal Neuchatel, Switzerland Universitè Lyon, France FMI, Sodankyla, Finland |
format |
Conference Object |
author |
Wedekind, C. Immler, F. Mielke, B. Rairoux, P. Stein, B. Woste, L. Del Guasta, M. Morandi, M. Stefanutti, L. Masci, F. Rizi, V. Matthey, R. Mitev, V. Douard, M. Wolf, J. P. Kyro, E. |
author_facet |
Wedekind, C. Immler, F. Mielke, B. Rairoux, P. Stein, B. Woste, L. Del Guasta, M. Morandi, M. Stefanutti, L. Masci, F. Rizi, V. Matthey, R. Mitev, V. Douard, M. Wolf, J. P. Kyro, E. |
author_sort |
Wedekind, C. |
title |
Polar Stratospheric Cloud Measurements by Multispectral Lidar at Sodankyla in Winter 1994/95 |
title_short |
Polar Stratospheric Cloud Measurements by Multispectral Lidar at Sodankyla in Winter 1994/95 |
title_full |
Polar Stratospheric Cloud Measurements by Multispectral Lidar at Sodankyla in Winter 1994/95 |
title_fullStr |
Polar Stratospheric Cloud Measurements by Multispectral Lidar at Sodankyla in Winter 1994/95 |
title_full_unstemmed |
Polar Stratospheric Cloud Measurements by Multispectral Lidar at Sodankyla in Winter 1994/95 |
title_sort |
polar stratospheric cloud measurements by multispectral lidar at sodankyla in winter 1994/95 |
publisher |
Springer |
publishDate |
1996 |
url |
http://hdl.handle.net/2122/2741 |
geographic |
Antarctic Arctic |
geographic_facet |
Antarctic Arctic |
genre |
Antarc* Antarctic Arctic |
genre_facet |
Antarc* Antarctic Arctic |
op_relation |
Polar Stratospheric Cloud Measurements by Multispectral Lidar at Sodankyla in Winter 1994/95 http://hdl.handle.net/2122/2741 |
op_rights |
open |
_version_ |
1766255645920591872 |