TY - JOUR
T1 - Changes in mass balance, velocity, and surface profile along a flow line on Barnes Ice Cap, 1970-1984
AU - Hooke, R. L.
AU - Johnson, G. W.
AU - Brugger, K. A.
AU - Hanson, B.
AU - Holdsworth, G.
PY - 1987
Y1 - 1987
N2 - On a number of occasions between 1970 and 1984, measurements of mass balance, surface velocity, and surface elevation were made along a 10.2 km flow line extending from the divide to the margin on Barnes Ice Cap, Baffin Insland, Canada. Along the down-glacier half of the flow line the decrease in thickness was accompanied by an increase in slope. Within 4 km of the margin the decrease in thickness resulted in a decrease in horizontal velocity of up to c.15%, despite the increase in slope. Higher on the glacier, however, the horizontal velocity increased c.5%. These changes are broadly consistent with those estimated from the changes in shear stress calculated using the hydrostatic approximation. -from Authors
AB - On a number of occasions between 1970 and 1984, measurements of mass balance, surface velocity, and surface elevation were made along a 10.2 km flow line extending from the divide to the margin on Barnes Ice Cap, Baffin Insland, Canada. Along the down-glacier half of the flow line the decrease in thickness was accompanied by an increase in slope. Within 4 km of the margin the decrease in thickness resulted in a decrease in horizontal velocity of up to c.15%, despite the increase in slope. Higher on the glacier, however, the horizontal velocity increased c.5%. These changes are broadly consistent with those estimated from the changes in shear stress calculated using the hydrostatic approximation. -from Authors
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U2 - 10.1139/e87-151
DO - 10.1139/e87-151
M3 - Article
AN - SCOPUS:0023495912
SN - 0008-4077
VL - 24
SP - 1550
EP - 1561
JO - Canadian Journal of Earth Sciences
JF - Canadian Journal of Earth Sciences
IS - 8
ER -