Computed tomography (CT) scans of ice cores collected in two perennial ice patches at Ward Hunt Island, Nunavut, Canada. ... : Données de tomodensitométrie de carottes de glace extraites de deux plaques de glace permanentes sur l’île Ward Hunt, Nunavut, Canada. ...

Computed tomographic (CT) scanning was used (February 2018) for the analysis of ice cores collected with a 75 mm inner diameter SPIRE auger in July 2017 on two permanent ice patches on Ward Hunt Island, Nunavut, Canada. The coring was made vertically. The SIPRE was able to drill through bands of ice...

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Bibliographic Details
Main Authors: Fortier, Daniel, Davesne, Gautier
Format: Dataset
Language:unknown
Published: Nordicana D 2021
Subjects:
Online Access:https://dx.doi.org/10.5885/45696ce-6cc0b447c7f84e6a
https://nordicana.cen.ulaval.ca/dpage.aspx?doi=45696CE-6CC0B447C7F84E6A
id ftdatacite:10.5885/45696ce-6cc0b447c7f84e6a
record_format openpolar
spelling ftdatacite:10.5885/45696ce-6cc0b447c7f84e6a 2024-02-04T10:01:14+01:00 Computed tomography (CT) scans of ice cores collected in two perennial ice patches at Ward Hunt Island, Nunavut, Canada. ... : Données de tomodensitométrie de carottes de glace extraites de deux plaques de glace permanentes sur l’île Ward Hunt, Nunavut, Canada. ... Fortier, Daniel Davesne, Gautier 2021 https://dx.doi.org/10.5885/45696ce-6cc0b447c7f84e6a https://nordicana.cen.ulaval.ca/dpage.aspx?doi=45696CE-6CC0B447C7F84E6A unknown Nordicana D https://dx.doi.org/10.5885/44985sl-8f203fd3accd4138 Carottage Coring Carotte de glace Ice core Cryosphère Cryosphere CT-scan Désert polaire Polar desert Glaciologie Glaciology Hydrologie Hydrology Physique de la glace Physics of ice Plaque de glace Ice patch Ward Hunt Island Ward Hunt core ice tomography Dataset dataset 2021 ftdatacite https://doi.org/10.5885/45696ce-6cc0b447c7f84e6a10.5885/44985sl-8f203fd3accd4138 2024-01-05T01:45:56Z Computed tomographic (CT) scanning was used (February 2018) for the analysis of ice cores collected with a 75 mm inner diameter SPIRE auger in July 2017 on two permanent ice patches on Ward Hunt Island, Nunavut, Canada. The coring was made vertically. The SIPRE was able to drill through bands of ice with a high content of fine-grained sediments. When a drilling refusal occurred because of a coarser sediment layer (i.e. gravel, blocky material), the ice corer was changed to an 82.5 mm diamond carbide core barrel. The bottom of the ice patches was considered to be attained when the corer extracted large pieces of rock or frozen soil interpreted as the bed of the ice patch. Core#1 was retrieved from ice patch IP1 (83°05'38.39''N; 74°11'58.62'') and core#2 from ice patch IP2 (83°04'54.92''N; 74°04'31.05''). Both cores extended from the surface to the bottom of the ice patches. The core sequence is 319 cm long for core#1 and 249 cm long for core#2. The cores were scanned at the Centre Eau Terre Environnement of ... : Un scanner tomodensitométrique (CT-scan) a été utilisé (février 2018) pour l'analyse de carottes de glace collectées avec un carottier SPIRE de 75 mm de diamètre en juillet 2017 sur deux plaques de glace permanente de l’île Ward Hunt, Nunavut, Canada. Le carottage a été effectué verticalement. Le SIPRE a pu forer à travers des bandes de glace à forte teneur en sédiments fins. Lorsqu'un refus de forage s'est produit en raison d'une couche de sédiments plus grossiers, le carottier de glace a été remplacé par un carottier en carbure de diamant de 82,5 mm. On a considéré que le fond des plaques de glace était atteint lorsque le carottier extrayait de gros morceaux de roche ou de sol gelé interprétés comme le lit de la plaque de glace. La carotte core#1 a été prélevée sur la plaque de glace IP1 (83°05’38,39’’N; 74°11’58.62’’) et la carotte core#2 sur la plaque de glace IP2 (83°04’54,92’’N; 74°04’31.05’’). Les deux carottages ont été réalisés jusqu’au fond des plaques de glace. La séquence de carottes fait 319 cm ... Dataset ice core Nunavut polar desert Ward Hunt Island DataCite Metadata Store (German National Library of Science and Technology) Canada Hunt Island ENVELOPE(-100.601,-100.601,58.788,58.788) Le Fond ENVELOPE(-55.815,-55.815,51.067,51.067) Nunavut Ward Hunt Island ENVELOPE(-74.161,-74.161,83.102,83.102)
institution Open Polar
collection DataCite Metadata Store (German National Library of Science and Technology)
op_collection_id ftdatacite
language unknown
topic Carottage
Coring
Carotte de glace
Ice core
Cryosphère
Cryosphere
CT-scan
Désert polaire
Polar desert
Glaciologie
Glaciology
Hydrologie
Hydrology
Physique de la glace
Physics of ice
Plaque de glace
Ice patch
Ward Hunt Island
spellingShingle Carottage
Coring
Carotte de glace
Ice core
Cryosphère
Cryosphere
CT-scan
Désert polaire
Polar desert
Glaciologie
Glaciology
Hydrologie
Hydrology
Physique de la glace
Physics of ice
Plaque de glace
Ice patch
Ward Hunt Island
Fortier, Daniel
Davesne, Gautier
Computed tomography (CT) scans of ice cores collected in two perennial ice patches at Ward Hunt Island, Nunavut, Canada. ... : Données de tomodensitométrie de carottes de glace extraites de deux plaques de glace permanentes sur l’île Ward Hunt, Nunavut, Canada. ...
topic_facet Carottage
Coring
Carotte de glace
Ice core
Cryosphère
Cryosphere
CT-scan
Désert polaire
Polar desert
Glaciologie
Glaciology
Hydrologie
Hydrology
Physique de la glace
Physics of ice
Plaque de glace
Ice patch
Ward Hunt Island
description Computed tomographic (CT) scanning was used (February 2018) for the analysis of ice cores collected with a 75 mm inner diameter SPIRE auger in July 2017 on two permanent ice patches on Ward Hunt Island, Nunavut, Canada. The coring was made vertically. The SIPRE was able to drill through bands of ice with a high content of fine-grained sediments. When a drilling refusal occurred because of a coarser sediment layer (i.e. gravel, blocky material), the ice corer was changed to an 82.5 mm diamond carbide core barrel. The bottom of the ice patches was considered to be attained when the corer extracted large pieces of rock or frozen soil interpreted as the bed of the ice patch. Core#1 was retrieved from ice patch IP1 (83°05'38.39''N; 74°11'58.62'') and core#2 from ice patch IP2 (83°04'54.92''N; 74°04'31.05''). Both cores extended from the surface to the bottom of the ice patches. The core sequence is 319 cm long for core#1 and 249 cm long for core#2. The cores were scanned at the Centre Eau Terre Environnement of ... : Un scanner tomodensitométrique (CT-scan) a été utilisé (février 2018) pour l'analyse de carottes de glace collectées avec un carottier SPIRE de 75 mm de diamètre en juillet 2017 sur deux plaques de glace permanente de l’île Ward Hunt, Nunavut, Canada. Le carottage a été effectué verticalement. Le SIPRE a pu forer à travers des bandes de glace à forte teneur en sédiments fins. Lorsqu'un refus de forage s'est produit en raison d'une couche de sédiments plus grossiers, le carottier de glace a été remplacé par un carottier en carbure de diamant de 82,5 mm. On a considéré que le fond des plaques de glace était atteint lorsque le carottier extrayait de gros morceaux de roche ou de sol gelé interprétés comme le lit de la plaque de glace. La carotte core#1 a été prélevée sur la plaque de glace IP1 (83°05’38,39’’N; 74°11’58.62’’) et la carotte core#2 sur la plaque de glace IP2 (83°04’54,92’’N; 74°04’31.05’’). Les deux carottages ont été réalisés jusqu’au fond des plaques de glace. La séquence de carottes fait 319 cm ...
format Dataset
author Fortier, Daniel
Davesne, Gautier
author_facet Fortier, Daniel
Davesne, Gautier
author_sort Fortier, Daniel
title Computed tomography (CT) scans of ice cores collected in two perennial ice patches at Ward Hunt Island, Nunavut, Canada. ... : Données de tomodensitométrie de carottes de glace extraites de deux plaques de glace permanentes sur l’île Ward Hunt, Nunavut, Canada. ...
title_short Computed tomography (CT) scans of ice cores collected in two perennial ice patches at Ward Hunt Island, Nunavut, Canada. ... : Données de tomodensitométrie de carottes de glace extraites de deux plaques de glace permanentes sur l’île Ward Hunt, Nunavut, Canada. ...
title_full Computed tomography (CT) scans of ice cores collected in two perennial ice patches at Ward Hunt Island, Nunavut, Canada. ... : Données de tomodensitométrie de carottes de glace extraites de deux plaques de glace permanentes sur l’île Ward Hunt, Nunavut, Canada. ...
title_fullStr Computed tomography (CT) scans of ice cores collected in two perennial ice patches at Ward Hunt Island, Nunavut, Canada. ... : Données de tomodensitométrie de carottes de glace extraites de deux plaques de glace permanentes sur l’île Ward Hunt, Nunavut, Canada. ...
title_full_unstemmed Computed tomography (CT) scans of ice cores collected in two perennial ice patches at Ward Hunt Island, Nunavut, Canada. ... : Données de tomodensitométrie de carottes de glace extraites de deux plaques de glace permanentes sur l’île Ward Hunt, Nunavut, Canada. ...
title_sort computed tomography (ct) scans of ice cores collected in two perennial ice patches at ward hunt island, nunavut, canada. ... : données de tomodensitométrie de carottes de glace extraites de deux plaques de glace permanentes sur l’île ward hunt, nunavut, canada. ...
publisher Nordicana D
publishDate 2021
url https://dx.doi.org/10.5885/45696ce-6cc0b447c7f84e6a
https://nordicana.cen.ulaval.ca/dpage.aspx?doi=45696CE-6CC0B447C7F84E6A
long_lat ENVELOPE(-100.601,-100.601,58.788,58.788)
ENVELOPE(-55.815,-55.815,51.067,51.067)
ENVELOPE(-74.161,-74.161,83.102,83.102)
geographic Canada
Hunt Island
Le Fond
Nunavut
Ward Hunt Island
geographic_facet Canada
Hunt Island
Le Fond
Nunavut
Ward Hunt Island
genre ice core
Nunavut
polar desert
Ward Hunt Island
genre_facet ice core
Nunavut
polar desert
Ward Hunt Island
op_relation https://dx.doi.org/10.5885/44985sl-8f203fd3accd4138
op_doi https://doi.org/10.5885/45696ce-6cc0b447c7f84e6a10.5885/44985sl-8f203fd3accd4138
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