How to detect snow fall occurence during blowing snow event?
In mountainous areas, drifting snow influences the spatial distribution of the snow cover and consequently snowpack stability and avalanche risk. When comparing models with in situ-measurements, it is first necessary to identify snow-drift events with and without concurrent falling snow. In Antarcti...
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ftcemoa:oai:irsteadoc.irstea.fr:PUB00036211 2023-05-15T13:54:07+02:00 How to detect snow fall occurence during blowing snow event? Naaim-Bouvet, F. Bellot, H. Nishimura, K. Genthon, C. Palerme, C. Guyomarc'h, G. IRSTEA GRENOBLE UR ETGR FRA UNIVERSITY OF NAGOYA JPN UNIVERSITE DE GRENOBLE I CNRS LGGE SAINT MARTIN D'HERES FRA METEO FRANCE CEN SAINT MARTIN D'HERES FRA ALPES ANTARCTIQUE 2012 application/pdf https://irsteadoc.irstea.fr/cemoa/PUB00036211 Anglais eng https://irsteadoc.irstea.fr/cemoa/PUB00036211 Date de dépôt: 2012-10-11 - Tous les documents et informations contenus dans la base CemOA Publications sont protégés en vertu du droit de propriété intellectuelle, en particulier par le droit d'auteur. La personne consultant la base CemOA Publications peut visualiser, reproduire, ou stocker des copies des publications, à condition que l'information soit seulement pour son usage personnel et non commercial. L'utilisation des travaux universitaires est soumise à autorisation préalable de leurs auteurs. Toute information relative au signalement d'une publication contenue dans CemOA Publications doit inclure la citation bibliographique usuelle : Nom du ou des auteurs, titre et source du document, date et URL de la notice (dc_identifier). 29926 NEIGE SOUFFLEE CONGERE CHUTE DE NEIGE BLOWING SNOW SNOWDRIFT Communication scientifique avec actes 2012 ftcemoa 2021-06-29T10:09:25Z In mountainous areas, drifting snow influences the spatial distribution of the snow cover and consequently snowpack stability and avalanche risk. When comparing models with in situ-measurements, it is first necessary to identify snow-drift events with and without concurrent falling snow. In Antarctica, the mass balance of the Antarctic ice sheet is a key parameter of sea level rise, which can be moderated by accumulation change. However, in the coastal areas where katabatic winds are strong and frequent, it is necessary to identify and separate blowing snow and precipitation. It was shown that size distribution of blowing snow particles given by a snow particle counter at a specific height can be approximated by a two-parameter gamma probability function and that a bi-modal distribution could appear at high elevation when snow fall occurs (Nishimura and Nemoto, 2005). In such way, it could be possible to evaluate precipitation. But depending on the height, the size of snow fall particle and the wind speed it is not so easy to distinguish between both types of events. In such case, the analysis of snow flux and mean diameter according to wind speed allows to separate blowing snow event with and without precipitation. It gives better results in predicting the timing of precipitation than done by precipitation gauges. A simpler photoelectric counter such as designed by Wenglor could also give some interesting results. These conclusions are supported by field campaigns conducted in French Alps and in Antarctica (coastal Adélie Land) during last winters. Other/Unknown Material Antarc* Antarctic Antarctica Antarctique* Ice Sheet Irstea Publications et Bases documentaires (Irstea@doc/CemOA) Antarctic The Antarctic |
institution |
Open Polar |
collection |
Irstea Publications et Bases documentaires (Irstea@doc/CemOA) |
op_collection_id |
ftcemoa |
language |
English |
topic |
NEIGE SOUFFLEE CONGERE CHUTE DE NEIGE BLOWING SNOW SNOWDRIFT |
spellingShingle |
NEIGE SOUFFLEE CONGERE CHUTE DE NEIGE BLOWING SNOW SNOWDRIFT Naaim-Bouvet, F. Bellot, H. Nishimura, K. Genthon, C. Palerme, C. Guyomarc'h, G. How to detect snow fall occurence during blowing snow event? |
topic_facet |
NEIGE SOUFFLEE CONGERE CHUTE DE NEIGE BLOWING SNOW SNOWDRIFT |
description |
In mountainous areas, drifting snow influences the spatial distribution of the snow cover and consequently snowpack stability and avalanche risk. When comparing models with in situ-measurements, it is first necessary to identify snow-drift events with and without concurrent falling snow. In Antarctica, the mass balance of the Antarctic ice sheet is a key parameter of sea level rise, which can be moderated by accumulation change. However, in the coastal areas where katabatic winds are strong and frequent, it is necessary to identify and separate blowing snow and precipitation. It was shown that size distribution of blowing snow particles given by a snow particle counter at a specific height can be approximated by a two-parameter gamma probability function and that a bi-modal distribution could appear at high elevation when snow fall occurs (Nishimura and Nemoto, 2005). In such way, it could be possible to evaluate precipitation. But depending on the height, the size of snow fall particle and the wind speed it is not so easy to distinguish between both types of events. In such case, the analysis of snow flux and mean diameter according to wind speed allows to separate blowing snow event with and without precipitation. It gives better results in predicting the timing of precipitation than done by precipitation gauges. A simpler photoelectric counter such as designed by Wenglor could also give some interesting results. These conclusions are supported by field campaigns conducted in French Alps and in Antarctica (coastal Adélie Land) during last winters. |
author2 |
IRSTEA GRENOBLE UR ETGR FRA UNIVERSITY OF NAGOYA JPN UNIVERSITE DE GRENOBLE I CNRS LGGE SAINT MARTIN D'HERES FRA METEO FRANCE CEN SAINT MARTIN D'HERES FRA |
format |
Other/Unknown Material |
author |
Naaim-Bouvet, F. Bellot, H. Nishimura, K. Genthon, C. Palerme, C. Guyomarc'h, G. |
author_facet |
Naaim-Bouvet, F. Bellot, H. Nishimura, K. Genthon, C. Palerme, C. Guyomarc'h, G. |
author_sort |
Naaim-Bouvet, F. |
title |
How to detect snow fall occurence during blowing snow event? |
title_short |
How to detect snow fall occurence during blowing snow event? |
title_full |
How to detect snow fall occurence during blowing snow event? |
title_fullStr |
How to detect snow fall occurence during blowing snow event? |
title_full_unstemmed |
How to detect snow fall occurence during blowing snow event? |
title_sort |
how to detect snow fall occurence during blowing snow event? |
publishDate |
2012 |
url |
https://irsteadoc.irstea.fr/cemoa/PUB00036211 |
op_coverage |
ALPES ANTARCTIQUE |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic Antarctica Antarctique* Ice Sheet |
genre_facet |
Antarc* Antarctic Antarctica Antarctique* Ice Sheet |
op_source |
29926 |
op_relation |
https://irsteadoc.irstea.fr/cemoa/PUB00036211 |
op_rights |
Date de dépôt: 2012-10-11 - Tous les documents et informations contenus dans la base CemOA Publications sont protégés en vertu du droit de propriété intellectuelle, en particulier par le droit d'auteur. La personne consultant la base CemOA Publications peut visualiser, reproduire, ou stocker des copies des publications, à condition que l'information soit seulement pour son usage personnel et non commercial. L'utilisation des travaux universitaires est soumise à autorisation préalable de leurs auteurs. Toute information relative au signalement d'une publication contenue dans CemOA Publications doit inclure la citation bibliographique usuelle : Nom du ou des auteurs, titre et source du document, date et URL de la notice (dc_identifier). |
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1766259761800544256 |