TY - JOUR
T1 - Earth tide forcing of glacier drainage
AU - Kulessa, Bernd
AU - Hubbard, Bryn
AU - Brown, Giles H.
AU - Becker, Julia
PY - 2003/1/1
Y1 - 2003/1/1
N2 - Fourier analysis reveals that winter electrical self potential (SP), water pressure (PW), and electrical con ductivity (EC) time series collected beneath Haut Glacier d'Arolla, Switzerland, are forced by earth and atmospheric tides. Forcing is dominant during periods of expanding bedrock, consistent with glacier substrate deformation periodically driving water from the ice body into the bed. This may modify the strength of subglacial sediments, and could therefore influence glacier drainage and motion on a global scale.
AB - Fourier analysis reveals that winter electrical self potential (SP), water pressure (PW), and electrical con ductivity (EC) time series collected beneath Haut Glacier d'Arolla, Switzerland, are forced by earth and atmospheric tides. Forcing is dominant during periods of expanding bedrock, consistent with glacier substrate deformation periodically driving water from the ice body into the bed. This may modify the strength of subglacial sediments, and could therefore influence glacier drainage and motion on a global scale.
UR - http://www.scopus.com/inward/record.url?scp=0038507686&partnerID=8YFLogxK
U2 - 10.1029/2002gl015303
DO - 10.1029/2002gl015303
M3 - Article
AN - SCOPUS:0038507686
SN - 0094-8276
VL - 30
SP - 11-1-11-4
JO - Geophysical Research Letters
JF - Geophysical Research Letters
IS - 1
ER -