NSF Org:	OPP Office of Polar Programs (OPP)
Recipient:	THE PENNSYLVANIA STATE UNIVERSITY
Initial Amendment Date:	April 15, 2005
Latest Amendment Date:	April 14, 2008
Award Number:	0427714
Award Instrument:	Standard Grant
Program Manager:	Neil R. Swanberg OPP  Office of Polar Programs (OPP) GEO  Directorate for Geosciences
Start Date:	May 1, 2005
End Date:	April 30, 2009 (Estimated)
Total Intended Award Amount:	$0.00
Total Awarded Amount to Date:	$523,184.00
Funds Obligated to Date:	FY 2005 = $523,184.00
History of Investigator:	Sridhar Anandakrishnan (Principal Investigator) David Swanson (Co-Principal Investigator)
Recipient Sponsored Research Office:	Pennsylvania State Univ University Park 201 OLD MAIN UNIVERSITY PARK PA  US  16802-1503 (814)865-1372
Sponsor Congressional District:	15
Primary Place of Performance:	Pennsylvania State Univ University Park 201 OLD MAIN UNIVERSITY PARK PA  US  16802-1503
Primary Place of Performance Congressional District:	15
Unique Entity Identifier (UEI):	NPM2J7MSCF61
Parent UEI:
NSF Program(s):	ANT Earth Sciences, CYBERINFRASTRUCTURE & SENSORS
Primary Program Source:	0100CYXXDB NSF RESEARCH & RELATED ACTIVIT
Program Reference Code(s):	0000, 1079, 7224, OTHR
Program Element Code(s):	511200, 522500
Award Agency Code:	4900
Fund Agency Code:	4900
Assistance Listing Number(s):	47.078

ABSTRACT

There is a serious lack of knowledge of physical processes within and beneath glaciers and ice sheets, at a time when modeling needs are acute for predicting ice sheet and glacier movement, and associated sea-level changes. Under this grant, a network of wirelessly interconnected geophysical sensors (so-called "geobricks") will be developed that will simultaneously include: seismic reflection and refraction imaging, radar imaging at high- and low-frequencies, and a dense array of continuously operating GPS receivers. Along with the "geobricks", a source, both radar and seismic, will be developed which can be towed by snowmobiles. With this network, measurements can be made of: basal roughness, subglacial sedimentary and hydrologic conditions, englacial crystal fabric, accumulation rate variability, and the "4D" (time and space) variability of the ice sheet flow field

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