International Federation of Digital Seismograph Networks

4A (2008-2008): Investigating mechanisms of subglacial hydrology and basal shear stress beneath Whillans Ice Stream using passive seismology

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FDSN Network Information

FDSN code 4A (2008-2008) Operated by UC Santa Cruz
Network name Investigating mechanisms of subglacial hydrology and basal shear stress beneath Whillans Ice Stream using passive seismology (Whillans Ice Sheet) Deployment region United States
Start date Jan. 1, 2008 End date Dec. 31, 2008
Short description

We propose to operate a six-station passive seismometer network above and near the Whillans Ice Stream, Antarctica subglacial lakes. The seismometers will join permanent GPS stations deployed as part of an ongoing NSF funded project (PI is UC Santa Cruz professor, Slawek Tulaczyk) to provide a unique dataset related to the subglacial lakes and basal shear stress. Subglacial hydrology and basal shear stress are two important components affecting glacier stability and yet, both are poorly understood. Passive seismology at the surface of an ice sheet is one approach that can remotely detect conditions and active changes at the base of an ice sheet. A supplement to Tulaczyk NSF grant with Susan Schwartz and Emily Brodsky as co-PIs has been submitted to NSF Office of Polar Programs to fund the seismic this work.

Citation Information

Digital Object Identifier (DOI) https://doi.org/10.7914/SN/4A_2008
Citation
Susan Schwartz, Jacob Walter (2008): Investigating mechanisms of subglacial hydrology and basal shear stress beneath Whillans Ice Stream using passive seismology. International Federation of Digital Seismograph Networks. Other/Seismic Network. 10.7914/SN/4A_2008

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