2012-2013 Science Planning Summaries
U.S. Antarctic Program - Science Support Section United States Antarctic Program United States Antarctic Program Logo National Science Foundation Logo
Continuation of the LARISSA continuous GPS network in view of observed dynamic response to Antarctic Peninsula mass balance and required geologic constraints

Program Manager:
Dr. Lisa Clough

NSF/PLR Award 1143981

ASC POC/Implementer:
Addie Coyac / Robert Kluckhohn

Dr. Eugene Domack (Principal Investigator)
http://www.hamilton.edu/larissa/External Non U.S. Government Site

University of South Florida
College of Marine Science
St. Petersburg, Florida

Supporting Stations:  Special Project, ARSV Laurence M. Gould
Research Locations:  Antarctic Peninsula

Project Description:
This project’s research objectives are as follows: (1) Upgrade existing continuous GPS (cGPS) facility at Hugo Island (Santa Claus Rock) to fully evaluate the bedrock uplift rate at this far field site and to make sure the data transmission is continuous through the low-light winter season of this strongly maritime station site; (2) Expand the spatial coverage of cGPS stations (vertical uplift constraints) along the northern Antarctic Peninsula and add to them to the existing LARISSA (POLENET) network; (3) Evaluate the deglacial history (radiocarbon chronology) from marine sediment records obtained from the western drainage of the Bruce Plateau Ice Dome, by collecting cores along the Graham Land Coast and Gerlache Strait; and (4) Expand the paleoenvironmental utility of marine proxies for paleotemperature as derived from biomarker compounds and constrained calibration of the proxies from modern settings.

Field Season Overview:
Six participants will deploy onboard LMG12-11 for five science days of ship time aboard the ARSV Laurence M. Gould. Their tasking includes installing new cGPS stations and upgrading existing ones, obtain sediment cores (Kasten and jumbo pisten) along the southern Gerlache Grounding Line, and deploy the yoyo digital bottom camera in Brialmont Cove (near Spring Point). Throughout much of the work they will also collect water samples using pumps or CTDs.

Deploying Team Members:

  • Eugene Domack (PI)
  • Deanna Nappi
  • Brad Rosenheim
  • Amelia Shevenell
  • Catherine Smith

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Curator: Esther L. Hill PhD, Antarctic Support Contract   |   NSF Official: Alexandra Isern, Division of Polar Programs