Non-linear flow modelling of a Martian Lobate Debris Apron
Publisher's version (útgefin grein) The Martian mid-latitudes contain numerous small water-ice deposits, collectively termed viscous flow features (VFFs). The shape and topography of the deposits contain information on their past flow history and formation process. In order to access this infor...
Published in: | Journal of Glaciology |
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Online Access: | https://hdl.handle.net/20.500.11815/1551 https://doi.org/10.1017/jog.2019.54 |
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ftopinvisindi:oai:opinvisindi.is:20.500.11815/1551 2023-05-15T16:21:44+02:00 Non-linear flow modelling of a Martian Lobate Debris Apron Schmidt, Louise Steffensen Hvidberg, Christine Schøtt Kim, Jung Rack Karlsson, Nanna Bjørnholt Jarðvísindadeild (HÍ) Faculty of Earth Sciences (UI) School of Engineering and Natural Sciences (UI) Verkfræði- og náttúruvísindasvið (HÍ) Háskóli Íslands University of Iceland 2019-09-30 889-899 https://hdl.handle.net/20.500.11815/1551 https://doi.org/10.1017/jog.2019.54 en eng Cambridge University Press (CUP) Journal of Glaciology;65(254) https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0022143019000546 Schmidt, L., Hvidberg, C., Kim, J., & Karlsson, N. (2019). Non-linear flow modelling of a Martian Lobate Debris Apron. Journal of Glaciology, 65(254), 889-899. doi:10.1017/jog.2019.54 0022-1430 1727-5652 (eISSN) https://hdl.handle.net/20.500.11815/1551 Journal of Glaciology doi:10.1017/jog.2019.54 info:eu-repo/semantics/openAccess Extraterrestrial glaciology Glacier flow Glacier mass balance Glacier modelling Ice temperature Jöklafræði Mars (reikistjarna) Jöklarannsóknir info:eu-repo/semantics/article 2019 ftopinvisindi https://doi.org/20.500.11815/1551 https://doi.org/10.1017/jog.2019.54 2022-11-18T06:51:52Z Publisher's version (útgefin grein) The Martian mid-latitudes contain numerous small water-ice deposits, collectively termed viscous flow features (VFFs). The shape and topography of the deposits contain information on their past flow history and formation process. In order to access this information, it is imperative to get information on their deformational properties. Here we use a high-resolution digital topography map and ice-penetrating radar data in combination with an inverse method to constrain the deformational properties of a lobate debris apron, a class of VFF, in the southern hemisphere of Mars. We find that while the creep parameter and accumulation rates are not well constrained in absolute values, their ratio is robust. We also find that the creep exponent is most likely n ≤ 3. LSS is supported by the University of Iceland Eimskip Fund. The Centre for Ice and Climate is funded by the Danish National Research Foundation. We gratefully acknowledge Isaac Smith, Michael Sori and an anonymous reviewer whose insightful comments and suggestions improved the quality of this manuscript. The data and results from this study can be obtained by contacting the corresponding author. HRSC products are freely accessible via Planetary Science Archive (PSA) of European Space Agency or Planetary Data System (PDS) of NASA. Peer Reviewed Article in Journal/Newspaper glacier Iceland Journal of Glaciology Opin vísindi (Iceland) Journal of Glaciology 65 254 889 899 |
institution |
Open Polar |
collection |
Opin vísindi (Iceland) |
op_collection_id |
ftopinvisindi |
language |
English |
topic |
Extraterrestrial glaciology Glacier flow Glacier mass balance Glacier modelling Ice temperature Jöklafræði Mars (reikistjarna) Jöklarannsóknir |
spellingShingle |
Extraterrestrial glaciology Glacier flow Glacier mass balance Glacier modelling Ice temperature Jöklafræði Mars (reikistjarna) Jöklarannsóknir Schmidt, Louise Steffensen Hvidberg, Christine Schøtt Kim, Jung Rack Karlsson, Nanna Bjørnholt Non-linear flow modelling of a Martian Lobate Debris Apron |
topic_facet |
Extraterrestrial glaciology Glacier flow Glacier mass balance Glacier modelling Ice temperature Jöklafræði Mars (reikistjarna) Jöklarannsóknir |
description |
Publisher's version (útgefin grein) The Martian mid-latitudes contain numerous small water-ice deposits, collectively termed viscous flow features (VFFs). The shape and topography of the deposits contain information on their past flow history and formation process. In order to access this information, it is imperative to get information on their deformational properties. Here we use a high-resolution digital topography map and ice-penetrating radar data in combination with an inverse method to constrain the deformational properties of a lobate debris apron, a class of VFF, in the southern hemisphere of Mars. We find that while the creep parameter and accumulation rates are not well constrained in absolute values, their ratio is robust. We also find that the creep exponent is most likely n ≤ 3. LSS is supported by the University of Iceland Eimskip Fund. The Centre for Ice and Climate is funded by the Danish National Research Foundation. We gratefully acknowledge Isaac Smith, Michael Sori and an anonymous reviewer whose insightful comments and suggestions improved the quality of this manuscript. The data and results from this study can be obtained by contacting the corresponding author. HRSC products are freely accessible via Planetary Science Archive (PSA) of European Space Agency or Planetary Data System (PDS) of NASA. Peer Reviewed |
author2 |
Jarðvísindadeild (HÍ) Faculty of Earth Sciences (UI) School of Engineering and Natural Sciences (UI) Verkfræði- og náttúruvísindasvið (HÍ) Háskóli Íslands University of Iceland |
format |
Article in Journal/Newspaper |
author |
Schmidt, Louise Steffensen Hvidberg, Christine Schøtt Kim, Jung Rack Karlsson, Nanna Bjørnholt |
author_facet |
Schmidt, Louise Steffensen Hvidberg, Christine Schøtt Kim, Jung Rack Karlsson, Nanna Bjørnholt |
author_sort |
Schmidt, Louise Steffensen |
title |
Non-linear flow modelling of a Martian Lobate Debris Apron |
title_short |
Non-linear flow modelling of a Martian Lobate Debris Apron |
title_full |
Non-linear flow modelling of a Martian Lobate Debris Apron |
title_fullStr |
Non-linear flow modelling of a Martian Lobate Debris Apron |
title_full_unstemmed |
Non-linear flow modelling of a Martian Lobate Debris Apron |
title_sort |
non-linear flow modelling of a martian lobate debris apron |
publisher |
Cambridge University Press (CUP) |
publishDate |
2019 |
url |
https://hdl.handle.net/20.500.11815/1551 https://doi.org/10.1017/jog.2019.54 |
genre |
glacier Iceland Journal of Glaciology |
genre_facet |
glacier Iceland Journal of Glaciology |
op_relation |
Journal of Glaciology;65(254) https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0022143019000546 Schmidt, L., Hvidberg, C., Kim, J., & Karlsson, N. (2019). Non-linear flow modelling of a Martian Lobate Debris Apron. Journal of Glaciology, 65(254), 889-899. doi:10.1017/jog.2019.54 0022-1430 1727-5652 (eISSN) https://hdl.handle.net/20.500.11815/1551 Journal of Glaciology doi:10.1017/jog.2019.54 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/20.500.11815/1551 https://doi.org/10.1017/jog.2019.54 |
container_title |
Journal of Glaciology |
container_volume |
65 |
container_issue |
254 |
container_start_page |
889 |
op_container_end_page |
899 |
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1766009714500435968 |