Snow particle speeds in the blowing snow
International audience The transport of snow by the wind has major implications in engineering and geophysical fields. On roads, drifting snow causes snowdrifts and reduced visibility. In mountainous regions, non-uniform distribution of snow due to blowing snow, such as locally increased snow drift...
Main Authors: | , , , |
---|---|
Other Authors: | , , , , |
Format: | Conference Object |
Language: | English |
Published: |
HAL CCSD
2012
|
Subjects: | |
Online Access: | https://hal.inrae.fr/hal-02597995 |
id |
ftccsdartic:oai:HAL:hal-02597995v1 |
---|---|
record_format |
openpolar |
spelling |
ftccsdartic:oai:HAL:hal-02597995v1 2023-05-15T13:45:33+02:00 Snow particle speeds in the blowing snow Nishimura, K. Ito, Y. Yokoyama, C. Naaim-Bouvet, F. NAGOYA UNIVERSITY JPN Partenaires IRSTEA Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) Erosion torrentielle neige et avalanches (UR ETGR (ETNA)) Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) Vienne, Austria 2012-04-23 https://hal.inrae.fr/hal-02597995 en eng HAL CCSD hal-02597995 https://hal.inrae.fr/hal-02597995 IRSTEA: PUB00037263 Geophysical Research Abstracts EGU General Assembly https://hal.inrae.fr/hal-02597995 EGU General Assembly, Apr 2012, Vienne, Austria. pp.1 [SDE]Environmental Sciences info:eu-repo/semantics/conferenceObject Conference papers 2012 ftccsdartic 2021-09-11T23:49:58Z International audience The transport of snow by the wind has major implications in engineering and geophysical fields. On roads, drifting snow causes snowdrifts and reduced visibility. In mountainous regions, non-uniform distribution of snow due to blowing snow, such as locally increased snow drift and snow cornices on the leeward of slopes, leads to avalanche release. Redistribution of snow by the wind is also important for hydrological processes and mass balance, especially in Arctic and Antarctic regions. In the last decade, large progress has been made in modelling blowing snow. However, interaction between snow particles and air, that is one of the key processes in the model, is still poorly understood. In this study we tried to obtain the snow particle speeds in the blowing snow directly with the Snow Particle Counter (SPC). The SPC is able to sense particle diameter as well as particle number and, in general, is used to measure the change in the mass flux with time, such as every second. However, the high frequency recordings of the signal from the transducer make possible to deduce the particle speed one by one. Analysis was carried out using the data measured not only in the cold wind tunnel but also at the Col du Lac Blanc, French Alps and Mizuho Station, Antarctica. Then, obtained particle speed distribution was discussed with wind speed profiles, hardness of the snow surface and so on. Further, comparison was made with the Lagrangian stochastic model, which accounts for the turbulence effects on the suspension of snow grains and also includes aerodynamic entrainment, the grain-bed collision process, wind modification by grains, and a distribution of grain sizes. Conference Object Antarc* Antarctic Antarctica Arctic Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Antarctic Arctic Lac Blanc ENVELOPE(68.917,68.917,-49.217,-49.217) Mizuho ENVELOPE(44.317,44.317,-70.683,-70.683) Mizuho Station ENVELOPE(44.317,44.317,-70.683,-70.683) |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
[SDE]Environmental Sciences |
spellingShingle |
[SDE]Environmental Sciences Nishimura, K. Ito, Y. Yokoyama, C. Naaim-Bouvet, F. Snow particle speeds in the blowing snow |
topic_facet |
[SDE]Environmental Sciences |
description |
International audience The transport of snow by the wind has major implications in engineering and geophysical fields. On roads, drifting snow causes snowdrifts and reduced visibility. In mountainous regions, non-uniform distribution of snow due to blowing snow, such as locally increased snow drift and snow cornices on the leeward of slopes, leads to avalanche release. Redistribution of snow by the wind is also important for hydrological processes and mass balance, especially in Arctic and Antarctic regions. In the last decade, large progress has been made in modelling blowing snow. However, interaction between snow particles and air, that is one of the key processes in the model, is still poorly understood. In this study we tried to obtain the snow particle speeds in the blowing snow directly with the Snow Particle Counter (SPC). The SPC is able to sense particle diameter as well as particle number and, in general, is used to measure the change in the mass flux with time, such as every second. However, the high frequency recordings of the signal from the transducer make possible to deduce the particle speed one by one. Analysis was carried out using the data measured not only in the cold wind tunnel but also at the Col du Lac Blanc, French Alps and Mizuho Station, Antarctica. Then, obtained particle speed distribution was discussed with wind speed profiles, hardness of the snow surface and so on. Further, comparison was made with the Lagrangian stochastic model, which accounts for the turbulence effects on the suspension of snow grains and also includes aerodynamic entrainment, the grain-bed collision process, wind modification by grains, and a distribution of grain sizes. |
author2 |
NAGOYA UNIVERSITY JPN Partenaires IRSTEA Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) Erosion torrentielle neige et avalanches (UR ETGR (ETNA)) Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) |
format |
Conference Object |
author |
Nishimura, K. Ito, Y. Yokoyama, C. Naaim-Bouvet, F. |
author_facet |
Nishimura, K. Ito, Y. Yokoyama, C. Naaim-Bouvet, F. |
author_sort |
Nishimura, K. |
title |
Snow particle speeds in the blowing snow |
title_short |
Snow particle speeds in the blowing snow |
title_full |
Snow particle speeds in the blowing snow |
title_fullStr |
Snow particle speeds in the blowing snow |
title_full_unstemmed |
Snow particle speeds in the blowing snow |
title_sort |
snow particle speeds in the blowing snow |
publisher |
HAL CCSD |
publishDate |
2012 |
url |
https://hal.inrae.fr/hal-02597995 |
op_coverage |
Vienne, Austria |
long_lat |
ENVELOPE(68.917,68.917,-49.217,-49.217) ENVELOPE(44.317,44.317,-70.683,-70.683) ENVELOPE(44.317,44.317,-70.683,-70.683) |
geographic |
Antarctic Arctic Lac Blanc Mizuho Mizuho Station |
geographic_facet |
Antarctic Arctic Lac Blanc Mizuho Mizuho Station |
genre |
Antarc* Antarctic Antarctica Arctic |
genre_facet |
Antarc* Antarctic Antarctica Arctic |
op_source |
Geophysical Research Abstracts EGU General Assembly https://hal.inrae.fr/hal-02597995 EGU General Assembly, Apr 2012, Vienne, Austria. pp.1 |
op_relation |
hal-02597995 https://hal.inrae.fr/hal-02597995 IRSTEA: PUB00037263 |
_version_ |
1766227259173109760 |