BIP! Finder - Evidence for a grounding line fan at the onset of a basal channel under the ice shelf of Support Force Glacier, Antarctica, revealed by reflection seismics

2021 • Evidence for a grounding line fan at the onset of a basal channel under the ice shelf of Support Force Glacier, Antarctica, revealed by reflection seismics

Authors: Sebastian Beyer; Niklas Neckel; Veit Helm; Coen Hofstede; Tore Hattermann; Emma Smith; Hugh F. J. Corr; Angelika Humbert; Daniel Steinhage; Ole Zeising; Olaf Eisen

Venue: The Cryosphere

Type: Publication

Abstract: Abstract. Curvilinear channels on the surface of an ice shelf indicate the presence of large channels at the base. Modelling studies have shown that where these surface expressions intersect the grounding line, they coincide with the likely outflow of subglacial water. An understanding of the initiation and the ice–ocean evolution of the basal channels is required to understand the present behaviour and future dynamics of ice sheets and ice shelves. Here, we present focused active seismic and radar surveys of a basal channel, ∼950 m wide an... (read more)

Impact:

1.09962395E-8 3.0787295E-9 9 9

/ Attention: 0 19

Topics: Geomorphology Geophysics

DOI: 10.5194/tc-15-1517-2021

External links: Crossref OpenAIRE

Related works: Dataset 1

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