2013-2014 Science Planning Summaries
U.S. Antarctic Program - Science Support Section United States Antarctic Program United States Antarctic Program Logo National Science Foundation Logo
 
McMurdo LTER - Lakes: Increased connectivity in a polar desert resulting from climate warming: McMurdo Dry Valley LTER Program
 

Program Manager:
Dr. Lisa Clough

Event Number: C-511-M
NSF/PLR Award 1115245

ASC POC/Implementer:
Sune Tamm / Cara Sucher

Dr. Peter Doran (Principal Investigator)
pdoran@uic.edu
http://www.mcmlter.org/External Non U.S. Government Site

University of Illinois Chicago
Dept of Earth and Environmental Sciences
Chicago, Illinois

Supporting Stations:  McMurdo Station
Research Locations:  Dry Valleys

Project Description:
Initially funded in 1980, the US Long-Term Ecological Research (LTER) Network is a collaborative effort involving more than 1,800 scientists and students. The McMurdo LTER program is an inter-disciplinary and multi-disciplinary study of the aquatic and terrestrial ecosystems in the ice-free McMurdo Dry Valleys. It is one of 26 LTER sites that investigates ecological processes over long temporal and broad spatial scales. This project is the 'Lakes 2' component of the McMurdo LTER. Its primary focus is the physical limnology of the McMurdo Dry Valleys lakes. This year's goals are: (1) To upgrade and maintain long-term automated lake-monitoring equipment; (2) Carry out manual lake hydrologic balance measurements (lake level and ablation); (3) Measure the movement of surface ice using high-precision GPS; (4) Characterize signatures and patterns of benthic productivity (using SCUBA); and (5) Collect sediment and water samples for a suite of geochemical experiments. This six-year award cycle comprises seven collaborative projects: Andrew Fountain B-504, John Priscu B-505, Diane McKnight B-506, Diana Wall B-507, Jeb Barrett, B-508, Berry Lyons B-509, and Peter Doran B-511.

Field Season Overview:
Three participants will be based at the established field camps—Fryxell, Bonney, Hoare—and make day trips by helicopter to Wright and Victoria Valleys. With UNAVCO’s assistance, they will also survey established ablation stakes in the Taylor Valley.

Deploying Team Members:

  • Kyle Cronin
  • Peter Doran (PI)
  • Peter Doran (PI)
  • Hilary Dugan (Team Leader)
  • Luke Winslow

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