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Record #112997:

A physical model of ice overthrust during the break-up of intact river-ice covers / Michael N. Demuth, Terry D. Prowse.

Title: A physical model of ice overthrust during the break-up of intact river-ice covers / Michael N. Demuth, Terry D. Prowse.
Author(s): Demuth, Michael N.
Prowse, Terry D.
Date: 1991.
Publisher: Saskatoon: National Hydrology Research Institute
In: Northern hydrology : selected perspectives. Proceedings of the Northern Hydrology Symposium 10-12 July 1990, Saskatoon, Saskatchewan. (1991.),
Abstract: Discusses range of characteristics and processes that could lead to irregularities or flaws in river-ice sheet that would, in turn, lead to overthrust flexural failure along brash-ice fronts. Also discusses levels of downstream forcing required to initiate such failure. Shows that overthrust flexural-failure processes induced by cover variability require significantly lower downstream forcing than those required to fail homogeneous cover in elastic buckling.
Notes:

In: Northern hydrology : selected perspectives. Proceedings of the Northern Hydrology Symposium 10-12 July 1990, Saskatoon, Saskatchewan / Terry D. Prowse, C. Simon L. Ommanney, eds.

Keywords: 624.145 -- Floating ice, engineering aspects.
624.145.5 -- Floating ice, bearing strength.
551.32 -- Glaciology.
551.326 -- Floating ice.
551.326.83 -- River ice.
551.326.2 -- Floating ice, formation and decay.
539.42 -- Ice, tensile strength.
E6 -- Glaciology: floating ice.
SPRI record no.: 112997

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245 12 ‡aA physical model of ice overthrust during the break-up of intact river-ice covers /‡cMichael N. Demuth, Terry D. Prowse.
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500 ## ‡aIn: Northern hydrology : selected perspectives. Proceedings of the Northern Hydrology Symposium 10-12 July 1990, Saskatoon, Saskatchewan / Terry D. Prowse, C. Simon L. Ommanney, eds.
520 3# ‡aDiscusses range of characteristics and processes that could lead to irregularities or flaws in river-ice sheet that would, in turn, lead to overthrust flexural failure along brash-ice fronts. Also discusses levels of downstream forcing required to initiate such failure. Shows that overthrust flexural-failure processes induced by cover variability require significantly lower downstream forcing than those required to fail homogeneous cover in elastic buckling.
650 07 ‡a624.145 -- Floating ice, engineering aspects.‡2udc
650 07 ‡a624.145.5 -- Floating ice, bearing strength.‡2udc
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.326 -- Floating ice.‡2udc
650 07 ‡a551.326.83 -- River ice.‡2udc
650 07 ‡a551.326.2 -- Floating ice, formation and decay.‡2udc
650 07 ‡a539.42 -- Ice, tensile strength.‡2udc
650 07 ‡aE6 -- Glaciology: floating ice.‡2local
700 1# ‡aProwse, Terry D.
773 0# ‡7nnam ‡aTerry D. Prowse, C. Simon L. Ommanney, eds. ‡tNorthern hydrology : selected perspectives. Proceedings of the Northern Hydrology Symposium 10-12 July 1990, Saskatoon, Saskatchewan. ‡dSaskatoon : National Hydrology Research Institute, 1991. ‡wSPRI-112994
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