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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, 2017-09-17 - 2017-09-22, 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 AuthorsAuthor's ORCID iDORCID Put Code
Johnsson, Andreasdepartment of earth sciences, university of gothenburg, göteborg, swedenUNSPECIFIEDUNSPECIFIED
Reiss, Dennisinstitut für planetologie, westfälische wilhelms‐universität münster, münster, germanyUNSPECIFIEDUNSPECIFIED
Conway, S.lpgnUNSPECIFIEDUNSPECIFIED
Hauber, ErnstUNSPECIFIEDhttps://orcid.org/0000-0002-1375-304XUNSPECIFIED
Hiesinger, H.westfälische wilhelms-universität münsterUNSPECIFIEDUNSPECIFIED
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 Start Date:17 September 2017
Event End Date:22 September 2017
Organizer:Europlanet Consortium
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Project Mars Express HRSC (old)
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:24 Apr 2024 20:20

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