Modelling glacier fluctuations in the Soer Rondane, Dronning Maud Land, Antarctica
Morainic deposits found above the present glacier surface in the central Sor Rondane Mountains give evidence of former glaciations. In this paper, an attemptis made to interprete these observed glacier fluctuations in terms of environmental change. To do this, a numerical flowline model, taking into...
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ftawi:oai:epic.awi.de:2356 2024-09-15T17:43:18+00:00 Modelling glacier fluctuations in the Soer Rondane, Dronning Maud Land, Antarctica Pattyn, F. Huybrechts, Philippe Decleir, H. 1989 application/pdf https://epic.awi.de/id/eprint/2356/ https://epic.awi.de/id/eprint/2356/1/Pat1992a.pdf https://hdl.handle.net/10013/epic.12944 https://hdl.handle.net/10013/epic.12944.d001 unknown https://epic.awi.de/id/eprint/2356/1/Pat1992a.pdf https://hdl.handle.net/10013/epic.12944.d001 Pattyn, F. , Huybrechts, P. and Decleir, H. (1989) Modelling glacier fluctuations in the Soer Rondane, Dronning Maud Land, Antarctica , Zeitschrift für Gletscherkunde und Glazialgeologie, 25 (1), pp. 33-47 . hdl:10013/epic.12944 EPIC3Zeitschrift für Gletscherkunde und Glazialgeologie, 25(1), pp. 33-47 Article peerRev 1989 ftawi 2024-06-24T03:53:43Z Morainic deposits found above the present glacier surface in the central Sor Rondane Mountains give evidence of former glaciations. In this paper, an attemptis made to interprete these observed glacier fluctuations in terms of environmental change. To do this, a numerical flowline model, taking into accountthermodynamics and a coupled ice shelf, has been developed and is applied to two outlet glaciers through the mountain range, Gunnestadbreen andJenningsbreen. It is found that lower ice temperatures accompagned by a reduced accumulation, further enhanced by a drop in sea level corresponding totypical glacial conditions account for a 150 - 200 m rise in glacier level. From a comparison of these results with palaeogeographical reconstruction for a'maximum' glacial stage for Jenningsbreen by Hirakawa et al. (1989) it is argued that their morainic deposits relate to an earlier Cenozoic glaciation involvinga full grown ice sheet. Article in Journal/Newspaper Antarc* Antarctica Dronning Maud Land Ice Sheet Ice Shelf Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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Open Polar |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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ftawi |
language |
unknown |
description |
Morainic deposits found above the present glacier surface in the central Sor Rondane Mountains give evidence of former glaciations. In this paper, an attemptis made to interprete these observed glacier fluctuations in terms of environmental change. To do this, a numerical flowline model, taking into accountthermodynamics and a coupled ice shelf, has been developed and is applied to two outlet glaciers through the mountain range, Gunnestadbreen andJenningsbreen. It is found that lower ice temperatures accompagned by a reduced accumulation, further enhanced by a drop in sea level corresponding totypical glacial conditions account for a 150 - 200 m rise in glacier level. From a comparison of these results with palaeogeographical reconstruction for a'maximum' glacial stage for Jenningsbreen by Hirakawa et al. (1989) it is argued that their morainic deposits relate to an earlier Cenozoic glaciation involvinga full grown ice sheet. |
format |
Article in Journal/Newspaper |
author |
Pattyn, F. Huybrechts, Philippe Decleir, H. |
spellingShingle |
Pattyn, F. Huybrechts, Philippe Decleir, H. Modelling glacier fluctuations in the Soer Rondane, Dronning Maud Land, Antarctica |
author_facet |
Pattyn, F. Huybrechts, Philippe Decleir, H. |
author_sort |
Pattyn, F. |
title |
Modelling glacier fluctuations in the Soer Rondane, Dronning Maud Land, Antarctica |
title_short |
Modelling glacier fluctuations in the Soer Rondane, Dronning Maud Land, Antarctica |
title_full |
Modelling glacier fluctuations in the Soer Rondane, Dronning Maud Land, Antarctica |
title_fullStr |
Modelling glacier fluctuations in the Soer Rondane, Dronning Maud Land, Antarctica |
title_full_unstemmed |
Modelling glacier fluctuations in the Soer Rondane, Dronning Maud Land, Antarctica |
title_sort |
modelling glacier fluctuations in the soer rondane, dronning maud land, antarctica |
publishDate |
1989 |
url |
https://epic.awi.de/id/eprint/2356/ https://epic.awi.de/id/eprint/2356/1/Pat1992a.pdf https://hdl.handle.net/10013/epic.12944 https://hdl.handle.net/10013/epic.12944.d001 |
genre |
Antarc* Antarctica Dronning Maud Land Ice Sheet Ice Shelf |
genre_facet |
Antarc* Antarctica Dronning Maud Land Ice Sheet Ice Shelf |
op_source |
EPIC3Zeitschrift für Gletscherkunde und Glazialgeologie, 25(1), pp. 33-47 |
op_relation |
https://epic.awi.de/id/eprint/2356/1/Pat1992a.pdf https://hdl.handle.net/10013/epic.12944.d001 Pattyn, F. , Huybrechts, P. and Decleir, H. (1989) Modelling glacier fluctuations in the Soer Rondane, Dronning Maud Land, Antarctica , Zeitschrift für Gletscherkunde und Glazialgeologie, 25 (1), pp. 33-47 . hdl:10013/epic.12944 |
_version_ |
1810490218235559936 |