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Delta Deposits on Mars: A Global Perspective

De Toffoli, B. and Plesa, Ana-Catalina and Hauber, Ernst and Breuer, Doris (2021) Delta Deposits on Mars: A Global Perspective. Geophysical Research Letters, 48 (17). Wiley. doi: 10.1029/2021GL094271. ISSN 0094-8276.

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Official URL: https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2021GL094271

Abstract

Deltas have been long considered a constraining element to reconstruct the water level of an ancient ocean that may have once occupied the northern lowlands of Mars, and just recently this hypothesis started to be challenged. We investigate this hypothesis and present a global inventory of fan shaped features showing typical deltaic traits across the entire Martian surface. For each element we provide descriptive details and classifications based on morphology, location, and relation with characterizing environmental features. In this catalogue of 162 deltas, we identified only six having high potential to constrain an oceanic paleo-shoreline. Nonetheless, age and location of these candidates display discrepancies with what was previously suggested from independent datasets about shoreline age and locations. Our analyses hence indicate that deltas alone are insufficient to delineate a globally consistent ancient oceanic shoreline, but they have the potential to locally constrain the water level both in space and time.

Item URL in elib:https://elib.dlr.de/143795/
Document Type:Article
Title:Delta Deposits on Mars: A Global Perspective
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
De Toffoli, B.Barbara.Detoffoli (at) dlr.deUNSPECIFIED
Plesa, Ana-CatalinaAna.Plesa (at) dlr.dehttps://orcid.org/0000-0003-3366-7621
Hauber, ErnstErnst.Hauber (at) dlr.dehttps://orcid.org/0000-0002-1375-304X
Breuer, DorisDoris.Breuer (at) dlr.dehttps://orcid.org/0000-0001-9019-5304
Date:2021
Journal or Publication Title:Geophysical Research Letters
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:48
DOI :10.1029/2021GL094271
Publisher:Wiley
ISSN:0094-8276
Status:Published
Keywords:Mars, delta deposits, water level
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 - Exploration of the Solar System, R - Project InSight - HP3
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Physics
Institute of Planetary Research > Planetary Geology
Deposited By: Plesa, Dr. Ana-Catalina
Deposited On:14 Sep 2021 08:22
Last Modified:27 Sep 2021 14:17

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