Author manuscript, published in "International Journal of Applied Earth Observation and Geoinformation (2013) Sous presse" Where does a glacier end? GPR measurements to identify the limits between the slopes and the real glacier area. Application to
Glacier limits are usually mapped according to a spatial discrimination based on color of remote sensing images or aerial photography. What appears like ice (white or light colored areas) at the end of the ablation period (end of summer) corresponds to the glacier, while what appears as rock (dark a...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.397.2226 2023-05-15T14:58:38+02:00 Author manuscript, published in "International Journal of Applied Earth Observation and Geoinformation (2013) Sous presse" Where does a glacier end? GPR measurements to identify the limits between the slopes and the real glacier area. Application to The Austre Lovénbreen Bernard É Friedt J. M Saintenoy A Tolle F Griselin M Marlin C The Pennsylvania State University CiteSeerX Archives 2013 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.397.2226 http://hal.inria.fr/docs/00/83/13/85/PDF/IJoAEOG_redacAS.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.397.2226 http://hal.inria.fr/docs/00/83/13/85/PDF/IJoAEOG_redacAS.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://hal.inria.fr/docs/00/83/13/85/PDF/IJoAEOG_redacAS.pdf Ground penetrating Radar glacier limit Arctic text 2013 ftciteseerx 2016-09-25T00:06:53Z Glacier limits are usually mapped according to a spatial discrimination based on color of remote sensing images or aerial photography. What appears like ice (white or light colored areas) at the end of the ablation period (end of summer) corresponds to the glacier, while what appears as rock (dark areas) is identified as the slope. This kind of visual discretization seems to be insufficient in the case of small arctic glaciers. Indeed, the slopes have been described as very unstable parts of glacial basins. Debris are generated by the inclination of the slopes, and reach the glacier surface. Thus, the visible limit does not correspond to the ice extension: a significant amount of ice is potentially covered by rock debris, enlarging the actual glacier surface with respect to the observed area. Hence, we apply Ground Penetrating Radar (GPR) measurements for mapping, beyond the Preprint submitted to IJoAEOG April 8, 2013central parts of the glacier, the steep slopes of the Austre Lovénbreen (Spitsbergen, 79oN). The aim is to assess the discrepancy between the limits extracted from remote sensing methods – aerial photography, satellite images and derived digital elevation models – and the GPR data which exhibit significant ice thickness at locations considered outside the Text Arctic Spitsbergen Unknown Arctic |
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Open Polar |
collection |
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ftciteseerx |
language |
English |
topic |
Ground penetrating Radar glacier limit Arctic |
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Ground penetrating Radar glacier limit Arctic The Austre Lovénbreen Bernard É Friedt J. M Saintenoy A Tolle F Griselin M Marlin C Author manuscript, published in "International Journal of Applied Earth Observation and Geoinformation (2013) Sous presse" Where does a glacier end? GPR measurements to identify the limits between the slopes and the real glacier area. Application to |
topic_facet |
Ground penetrating Radar glacier limit Arctic |
description |
Glacier limits are usually mapped according to a spatial discrimination based on color of remote sensing images or aerial photography. What appears like ice (white or light colored areas) at the end of the ablation period (end of summer) corresponds to the glacier, while what appears as rock (dark areas) is identified as the slope. This kind of visual discretization seems to be insufficient in the case of small arctic glaciers. Indeed, the slopes have been described as very unstable parts of glacial basins. Debris are generated by the inclination of the slopes, and reach the glacier surface. Thus, the visible limit does not correspond to the ice extension: a significant amount of ice is potentially covered by rock debris, enlarging the actual glacier surface with respect to the observed area. Hence, we apply Ground Penetrating Radar (GPR) measurements for mapping, beyond the Preprint submitted to IJoAEOG April 8, 2013central parts of the glacier, the steep slopes of the Austre Lovénbreen (Spitsbergen, 79oN). The aim is to assess the discrepancy between the limits extracted from remote sensing methods – aerial photography, satellite images and derived digital elevation models – and the GPR data which exhibit significant ice thickness at locations considered outside the |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
The Austre Lovénbreen Bernard É Friedt J. M Saintenoy A Tolle F Griselin M Marlin C |
author_facet |
The Austre Lovénbreen Bernard É Friedt J. M Saintenoy A Tolle F Griselin M Marlin C |
author_sort |
The Austre Lovénbreen |
title |
Author manuscript, published in "International Journal of Applied Earth Observation and Geoinformation (2013) Sous presse" Where does a glacier end? GPR measurements to identify the limits between the slopes and the real glacier area. Application to |
title_short |
Author manuscript, published in "International Journal of Applied Earth Observation and Geoinformation (2013) Sous presse" Where does a glacier end? GPR measurements to identify the limits between the slopes and the real glacier area. Application to |
title_full |
Author manuscript, published in "International Journal of Applied Earth Observation and Geoinformation (2013) Sous presse" Where does a glacier end? GPR measurements to identify the limits between the slopes and the real glacier area. Application to |
title_fullStr |
Author manuscript, published in "International Journal of Applied Earth Observation and Geoinformation (2013) Sous presse" Where does a glacier end? GPR measurements to identify the limits between the slopes and the real glacier area. Application to |
title_full_unstemmed |
Author manuscript, published in "International Journal of Applied Earth Observation and Geoinformation (2013) Sous presse" Where does a glacier end? GPR measurements to identify the limits between the slopes and the real glacier area. Application to |
title_sort |
author manuscript, published in "international journal of applied earth observation and geoinformation (2013) sous presse" where does a glacier end? gpr measurements to identify the limits between the slopes and the real glacier area. application to |
publishDate |
2013 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.397.2226 http://hal.inria.fr/docs/00/83/13/85/PDF/IJoAEOG_redacAS.pdf |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Spitsbergen |
genre_facet |
Arctic Spitsbergen |
op_source |
http://hal.inria.fr/docs/00/83/13/85/PDF/IJoAEOG_redacAS.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.397.2226 http://hal.inria.fr/docs/00/83/13/85/PDF/IJoAEOG_redacAS.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766330755254845440 |