Instruments and Methods Determination of firn density in ice cores using image analysis

ABSTRACT. This study presents a simple and inexpensive method for deriving a high-resolution density proxy record for the firn part of an ice core using digital images. The image data have better resolution and are less sensitive to core quality than is density derived through dielectric profiling (...

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Main Authors: Björn Sjögren, Ola Brandt, Chris Nuth, Elisabeth Isaksson, Veijo Pohjola, Jack Kohler
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Subjects:
ice core
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.429.5723
http://www.igsoc.org/journal/53/182/j06j089.pdf
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spelling ftciteseerx:oai:CiteSeerX.psu:10.1.1.429.5723 2023-05-15T16:38:48+02:00 Instruments and Methods Determination of firn density in ice cores using image analysis Björn Sjögren Ola Brandt Chris Nuth Elisabeth Isaksson Veijo Pohjola Jack Kohler The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.429.5723 http://www.igsoc.org/journal/53/182/j06j089.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.429.5723 http://www.igsoc.org/journal/53/182/j06j089.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.igsoc.org/journal/53/182/j06j089.pdf text ftciteseerx 2016-01-08T04:31:47Z ABSTRACT. This study presents a simple and inexpensive method for deriving a high-resolution density proxy record for the firn part of an ice core using digital images. The image data have better resolution and are less sensitive to core quality than is density derived through dielectric profiling (DEP). Simple image analysis is thus suitable to derive a density proxy record in the firn section of ice cores drilled in the percolation or wet snow zone, and to better interpret the results of a DEP record. The images may be used as a permanent record when evaluating other types of ice-core data. Suggestions are provided to improve data quality and decrease post-processing time of the image analysis in future studies. 1. Text ice core Unknown
institution Open Polar
collection Unknown
op_collection_id ftciteseerx
language English
description ABSTRACT. This study presents a simple and inexpensive method for deriving a high-resolution density proxy record for the firn part of an ice core using digital images. The image data have better resolution and are less sensitive to core quality than is density derived through dielectric profiling (DEP). Simple image analysis is thus suitable to derive a density proxy record in the firn section of ice cores drilled in the percolation or wet snow zone, and to better interpret the results of a DEP record. The images may be used as a permanent record when evaluating other types of ice-core data. Suggestions are provided to improve data quality and decrease post-processing time of the image analysis in future studies. 1.
author2 The Pennsylvania State University CiteSeerX Archives
format Text
author Björn Sjögren
Ola Brandt
Chris Nuth
Elisabeth Isaksson
Veijo Pohjola
Jack Kohler
spellingShingle Björn Sjögren
Ola Brandt
Chris Nuth
Elisabeth Isaksson
Veijo Pohjola
Jack Kohler
Instruments and Methods Determination of firn density in ice cores using image analysis
author_facet Björn Sjögren
Ola Brandt
Chris Nuth
Elisabeth Isaksson
Veijo Pohjola
Jack Kohler
author_sort Björn Sjögren
title Instruments and Methods Determination of firn density in ice cores using image analysis
title_short Instruments and Methods Determination of firn density in ice cores using image analysis
title_full Instruments and Methods Determination of firn density in ice cores using image analysis
title_fullStr Instruments and Methods Determination of firn density in ice cores using image analysis
title_full_unstemmed Instruments and Methods Determination of firn density in ice cores using image analysis
title_sort instruments and methods determination of firn density in ice cores using image analysis
url http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.429.5723
http://www.igsoc.org/journal/53/182/j06j089.pdf
genre ice core
genre_facet ice core
op_source http://www.igsoc.org/journal/53/182/j06j089.pdf
op_relation http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.429.5723
http://www.igsoc.org/journal/53/182/j06j089.pdf
op_rights Metadata may be used without restrictions as long as the oai identifier remains attached to it.
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