Optimising ice flow law parameters using borehole deformation measurements and numerical modelling

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dc.contributor.author	Chandler, David M.
dc.contributor.author	Hubbard, Bryn
dc.contributor.author	Hubbard, Alun L.
dc.contributor.author	Murray, Tavi
dc.contributor.author	Rippin, David
dc.date.accessioned	2011-01-06T14:45:39Z
dc.date.available	2011-01-06T14:45:39Z
dc.date.issued	2008-06-19
dc.identifier.citation	Chandler , D M , Hubbard , B , Hubbard , A L , Murray , T & Rippin , D 2008 , ' Optimising ice flow law parameters using borehole deformation measurements and numerical modelling ' Geophysical Research Letters , vol 35 , no. 12 .	en
dc.identifier.other	PURE: 156497
dc.identifier.other	dspace: 2160/6063
dc.identifier.uri	http://hdl.handle.net/2160/6063
dc.identifier.uri	http://www.agu.org/pubs/crossref/2008/2008GL033801.shtml	en
dc.description	Chandler, D. M., Hubbard, B., Hubbard, A., Murray, T., Rippin, D. (2008). Optimising ice flow law parameters using borehole deformation measurements and numerical modelling. Geophysical Research Letters, 35(L12502).	en
dc.description.abstract	Internal ice strain rates have been measured along two boreholes drilled through Glacier de Tsanfleuron, Switzerland. Differences between these measurements and the output from a 3D numerical model of glacier motion have been minimized by a scheme that optimizes three rheological parameters in the constitutive equation for ice creep: the stress exponent n, the rate factor A, and a Lower Zone (basal ice) enhancement factor E LZ . Results suggest that a linear rheology dominated by diffusion creep (n = 1) is more appropriate for modelling ice flow in this relatively thin (generally	en
dc.language.iso	eng
dc.relation.ispartof	Geophysical Research Letters	en
dc.title	Optimising ice flow law parameters using borehole deformation measurements and numerical modelling	en
dc.type	Text	en
dc.type.publicationtype	Article (Journal)	en
dc.identifier.doi	http://dx.doi.org/10.1029/2008GL033801
dc.contributor.institution	Institute of Geography & Earth Sciences	en
dc.contributor.institution	Centre for Glaciology	en
dc.description.status	Peer reviewed	en