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Small-scale lobes on Mars: Solifluction, thaw and clues to gully formation

Johnsson, Andreas and Reiss, Dennis and Conway, S. and Hauber, Ernst and Hiesinger, H. (2017) Small-scale lobes on Mars: Solifluction, thaw and clues to gully formation. In: EPSC Abstracts, 11, EPSC2017-862. European Planetary Science Congress 2017, 17–22 September, 2017, Riga, Lettland.

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Official URL: http://meetingorganizer.copernicus.org/EPSC2017/EPSC2017-862.pdf

Abstract

The existence of solifluction lobe-like landforms on Mars may, potentially, have important implications for our understanding of the distribution of thaw liquids and its geomorphic effects in recent climate history. In this study we made an inventory of all HiRISE images between 40°S-80°S acquired between 2007 and 2013 and show their distribution and their close spatio-temporal relationship to other ice-related landforms such as gullies and polygons. Based on Earth-analog studies and landscape analysis we conclude that a hypothesis of freeze/thaw may better explain their origin then current ”dry” models.

Item URL in elib:https://elib.dlr.de/116462/
Document Type:Conference or Workshop Item (Speech)
Title:Small-scale lobes on Mars: Solifluction, thaw and clues to gully formation
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Johnsson, Andreasdepartment of earth sciences, university of gothenburg, göteborg, swedenUNSPECIFIED
Reiss, Dennisinstitut für planetologie, westfälische wilhelms‐universität münster, münster, germanyUNSPECIFIED
Conway, S.lpgnUNSPECIFIED
Hauber, Ernsternst.hauber (at) dlr.dehttps://orcid.org/0000-0002-1375-304X
Hiesinger, H.westfälische wilhelms-universität münsterUNSPECIFIED
Date:2017
Journal or Publication Title:EPSC Abstracts
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:11
Page Range:EPSC2017-862
Status:Published
Keywords:Mars, permafrost, water, ice, climate, gullies, debris flows, solifucation
Event Title:European Planetary Science Congress 2017
Event Location:Riga, Lettland
Event Type:international Conference
Event Dates:17–22 September, 2017
Organizer:Europlanet Consortium
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):Project MARS-EXPRESS / HRSC
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Geology
Deposited By: Hauber, Ernst
Deposited On:01 Dec 2017 08:49
Last Modified:31 Jul 2019 20:13

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