Imaging of firn and bubbly ice in coaxial reflected light: a new technique for the characterization of these porous media
[Departement_IRSTEA]EEE [TR1_IRSTEA]E31-Ingénierie et prévention des risques naturels en montagne International audience A new technique for characterizing the structure of firn and bubbly ice is presented. This technique, based on observation of etched (sublimation) surfaces in coaxial reflected li...
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1998
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ftunivnantes:oai:HAL:hal-02579065v1 2023-05-15T16:57:10+02:00 Imaging of firn and bubbly ice in coaxial reflected light: a new technique for the characterization of these porous media Image de névé et de glace bulleuse prise en épiscopie coaxiale : une nouvelle technique pour caractériser ces milieux poreux Arnaud, L. Gay, M. Barnola, J.M. Duval, P. Centre National de la Recherche Scientifique (CNRS) Érosion torrentielle, neige et avalanches (UR ETGR (ETNA)) Centre national du machinisme agricole, du génie rural, des eaux et forêts (CEMAGREF) 1998 https://hal.inrae.fr/hal-02579065 en eng HAL CCSD International Glaciological Society hal-02579065 https://hal.inrae.fr/hal-02579065 IRSTEA: PUB00008100 ISSN: 0022-1430 EISSN: 1727-5652 Journal of Glaciology https://hal.inrae.fr/hal-02579065 Journal of Glaciology, 1998, 44 (147), pp.326-332 [SDE]Environmental Sciences info:eu-repo/semantics/article Journal articles 1998 ftunivnantes 2023-02-08T06:51:27Z [Departement_IRSTEA]EEE [TR1_IRSTEA]E31-Ingénierie et prévention des risques naturels en montagne International audience A new technique for characterizing the structure of firn and bubbly ice is presented. This technique, based on observation of etched (sublimation) surfaces in coaxial reflected light, enables one to see simultaneously the pore network of the firn or bubbles in the ice and the crystal boundaries. At the same time, the main stages of image processing used to transform the initial photographs into clean binary images are described. Une nouvelle technique pour caractériser la structure du névé et de la galce bulleuse est présentée. Cette technique basée sur la gravure à l'eau forte permet d'observer simultanément le réseau poreux du névé, ou les bulles dans la glace et les joints des cristaux. Nous décrivons également les procédures de traitement d'images permettant à partir des photographies initiales, d'obtenir des images binaires. Article in Journal/Newspaper Journal of Glaciology Université de Nantes: HAL-UNIV-NANTES |
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Open Polar |
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Université de Nantes: HAL-UNIV-NANTES |
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ftunivnantes |
language |
English |
topic |
[SDE]Environmental Sciences |
spellingShingle |
[SDE]Environmental Sciences Arnaud, L. Gay, M. Barnola, J.M. Duval, P. Imaging of firn and bubbly ice in coaxial reflected light: a new technique for the characterization of these porous media |
topic_facet |
[SDE]Environmental Sciences |
description |
[Departement_IRSTEA]EEE [TR1_IRSTEA]E31-Ingénierie et prévention des risques naturels en montagne International audience A new technique for characterizing the structure of firn and bubbly ice is presented. This technique, based on observation of etched (sublimation) surfaces in coaxial reflected light, enables one to see simultaneously the pore network of the firn or bubbles in the ice and the crystal boundaries. At the same time, the main stages of image processing used to transform the initial photographs into clean binary images are described. Une nouvelle technique pour caractériser la structure du névé et de la galce bulleuse est présentée. Cette technique basée sur la gravure à l'eau forte permet d'observer simultanément le réseau poreux du névé, ou les bulles dans la glace et les joints des cristaux. Nous décrivons également les procédures de traitement d'images permettant à partir des photographies initiales, d'obtenir des images binaires. |
author2 |
Centre National de la Recherche Scientifique (CNRS) Érosion torrentielle, neige et avalanches (UR ETGR (ETNA)) Centre national du machinisme agricole, du génie rural, des eaux et forêts (CEMAGREF) |
format |
Article in Journal/Newspaper |
author |
Arnaud, L. Gay, M. Barnola, J.M. Duval, P. |
author_facet |
Arnaud, L. Gay, M. Barnola, J.M. Duval, P. |
author_sort |
Arnaud, L. |
title |
Imaging of firn and bubbly ice in coaxial reflected light: a new technique for the characterization of these porous media |
title_short |
Imaging of firn and bubbly ice in coaxial reflected light: a new technique for the characterization of these porous media |
title_full |
Imaging of firn and bubbly ice in coaxial reflected light: a new technique for the characterization of these porous media |
title_fullStr |
Imaging of firn and bubbly ice in coaxial reflected light: a new technique for the characterization of these porous media |
title_full_unstemmed |
Imaging of firn and bubbly ice in coaxial reflected light: a new technique for the characterization of these porous media |
title_sort |
imaging of firn and bubbly ice in coaxial reflected light: a new technique for the characterization of these porous media |
publisher |
HAL CCSD |
publishDate |
1998 |
url |
https://hal.inrae.fr/hal-02579065 |
genre |
Journal of Glaciology |
genre_facet |
Journal of Glaciology |
op_source |
ISSN: 0022-1430 EISSN: 1727-5652 Journal of Glaciology https://hal.inrae.fr/hal-02579065 Journal of Glaciology, 1998, 44 (147), pp.326-332 |
op_relation |
hal-02579065 https://hal.inrae.fr/hal-02579065 IRSTEA: PUB00008100 |
_version_ |
1766048440081448960 |