Ice shelf margin Typical values: • Tidal amplitude ≈ 3 − 5 m • Width of hinge zone ≈ 1 − 10 km Hinge zones

Grounded ice sheet: supported, unaffected by tides Floating ice shelf: constant motion (with tides) Hinge zone:- hydrostatic pressure & internal stresses- cyclic flexure- differential movement Tidal flexure implications • Power dissipated from global tides into ice hinge zones → rheology governi...

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Bibliographic Details
Main Authors: John Desanto, Lauren Howell, Sio Geodynamics
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Published: 2013
Subjects:
∂4w
Ice Sheet
Ice Shelf
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.650.6512
http://topex.ucsd.edu/geodynamics/HW6_2013_presentations/A_ice_flexure.pdf
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record_format openpolar
spelling ftciteseerx:oai:CiteSeerX.psu:10.1.1.650.6512 2023-05-15T16:40:12+02:00 Ice shelf margin Typical values: • Tidal amplitude ≈ 3 − 5 m • Width of hinge zone ≈ 1 − 10 km Hinge zones John Desanto Lauren Howell Sio Geodynamics The Pennsylvania State University CiteSeerX Archives 2013 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.650.6512 http://topex.ucsd.edu/geodynamics/HW6_2013_presentations/A_ice_flexure.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.650.6512 http://topex.ucsd.edu/geodynamics/HW6_2013_presentations/A_ice_flexure.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://topex.ucsd.edu/geodynamics/HW6_2013_presentations/A_ice_flexure.pdf ∂4w text 2013 ftciteseerx 2016-01-08T16:22:44Z Grounded ice sheet: supported, unaffected by tides Floating ice shelf: constant motion (with tides) Hinge zone:- hydrostatic pressure & internal stresses- cyclic flexure- differential movement Tidal flexure implications • Power dissipated from global tides into ice hinge zones → rheology governing flexure • Ice shelf flow influenced by repeated straining in hinge zones → mechanism & magnitude of flexure • InSAR measurements of ice sheet velocities → model and remove tidal displacements in the hinge zone • Ice shelf evolution linked to sea tides → determine limits of tidal range Elastic beam model Robin [1958]: Positions of surface cracks and regions of maximum stress coincide Text Ice Sheet Ice Shelf Unknown
institution Open Polar
collection Unknown
op_collection_id ftciteseerx
language English
topic ∂4w
spellingShingle ∂4w
John Desanto
Lauren Howell
Sio Geodynamics
Ice shelf margin Typical values: • Tidal amplitude ≈ 3 − 5 m • Width of hinge zone ≈ 1 − 10 km Hinge zones
topic_facet ∂4w
description Grounded ice sheet: supported, unaffected by tides Floating ice shelf: constant motion (with tides) Hinge zone:- hydrostatic pressure & internal stresses- cyclic flexure- differential movement Tidal flexure implications • Power dissipated from global tides into ice hinge zones → rheology governing flexure • Ice shelf flow influenced by repeated straining in hinge zones → mechanism & magnitude of flexure • InSAR measurements of ice sheet velocities → model and remove tidal displacements in the hinge zone • Ice shelf evolution linked to sea tides → determine limits of tidal range Elastic beam model Robin [1958]: Positions of surface cracks and regions of maximum stress coincide
author2 The Pennsylvania State University CiteSeerX Archives
format Text
author John Desanto
Lauren Howell
Sio Geodynamics
author_facet John Desanto
Lauren Howell
Sio Geodynamics
author_sort John Desanto
title Ice shelf margin Typical values: • Tidal amplitude ≈ 3 − 5 m • Width of hinge zone ≈ 1 − 10 km Hinge zones
title_short Ice shelf margin Typical values: • Tidal amplitude ≈ 3 − 5 m • Width of hinge zone ≈ 1 − 10 km Hinge zones
title_full Ice shelf margin Typical values: • Tidal amplitude ≈ 3 − 5 m • Width of hinge zone ≈ 1 − 10 km Hinge zones
title_fullStr Ice shelf margin Typical values: • Tidal amplitude ≈ 3 − 5 m • Width of hinge zone ≈ 1 − 10 km Hinge zones
title_full_unstemmed Ice shelf margin Typical values: • Tidal amplitude ≈ 3 − 5 m • Width of hinge zone ≈ 1 − 10 km Hinge zones
title_sort ice shelf margin typical values: • tidal amplitude ≈ 3 − 5 m • width of hinge zone ≈ 1 − 10 km hinge zones
publishDate 2013
url http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.650.6512
http://topex.ucsd.edu/geodynamics/HW6_2013_presentations/A_ice_flexure.pdf
genre Ice Sheet
Ice Shelf
genre_facet Ice Sheet
Ice Shelf
op_source http://topex.ucsd.edu/geodynamics/HW6_2013_presentations/A_ice_flexure.pdf
op_relation http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.650.6512
http://topex.ucsd.edu/geodynamics/HW6_2013_presentations/A_ice_flexure.pdf
op_rights Metadata may be used without restrictions as long as the oai identifier remains attached to it.
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