2012 LTER ASM - MCM

Climatic Controls on Stream Flow in the McMurdo Dry Valleys

cjaros — Thu, 06 Sep 2012 15:47:29 +0000

Poster Number:

393

Presenter/Primary Author:

Chris Jaros

Co-Authors:

Dr. Diane McKnight

Large variations in meltwater generation (ave.

Increased Connectivity in a Polar Desert Resulting from Climate Warming: McMurdo Dry Valley LTER Program

dmcknight — Thu, 06 Sep 2012 02:50:17 +0000

Poster Number:

392

Presenter/Primary Author:

Diane McKnight

The McMurdo Dry Valleys (MDV) is a polar desert on the coast of East Antarctica, a region that has not yet experienced the climate warming that is now occurring elsewhere.

Using Narrative to Develop Environmental Empathy: Stories About Polar Regions in the LTER Schoolyard Book Series

amass — Sat, 01 Sep 2012 20:50:18 +0000

Poster Number:

372

Presenter/Primary Author:

Alex Mass

Co-Authors:

Diane McKnight

Co-Authors:

E. Simmons

Presentations on climate change and ecological consequences to children often emphasize threats, particularly in polar regions.

Student Poster:

Yes

Exploring C substrate and soil moisture effects on bacterial diversity through 13C- and 18O-DNA stable isotope probing in polar deserts

ssaurey — Fri, 31 Aug 2012 22:59:08 +0000

Poster Number:

354

Presenter/Primary Author:

Sabrina Saurey

Co-Authors:

Byron J. Adams

Co-Authors:

Christina D. Takacs-Vesbach

Co-Authors:

John E. Barrett

Co-Authors:

Diana H. Wall

Co-Authors:

Ross A. Virginia

Co-Authors:

Zachary T. Aanderud

Background/Question/Methods

Student Poster:

Yes

Microbial mat nutrient storage in the McMurdo Dry Valleys, Antarctica

tkohler — Thu, 30 Aug 2012 15:30:05 +0000

Poster Number:

321

Presenter/Primary Author:

Tyler Kohler

Co-Authors:

Diane McKnight

Microbial mats from Antarctic Dry Valley streams are important nutrient and carbon subsidies to Dry Valley lakes and soils, either transported by wind or flow.

Student Poster:

Yes

Soil animal community structuring along an LTER cross-site moisture gradient

zsylvain — Mon, 20 Aug 2012 18:44:18 +0000

Poster Number:

245

Presenter/Primary Author:

Zach Sylvain

Co-Authors:

Diana H Wall

Co-Authors:

Karie L Cherwin

Co-Authors:

Debra PC Peters

Co-Authors:

Osvaldo E Sala

Co-Authors:

Lara G Reichmann

Changes to precipitation regimes are forecasted in many climate models.

Student Poster:

Yes

Decadal Heat Accumulation in Ice-Covered Lakes of the McMurdo Dry Valleys, Antarctica

mgooseff1 — Wed, 15 Aug 2012 20:48:18 +0000

Poster Number:

222

Presenter/Primary Author:

Michael Gooseff

Co-Authors:

John Priscu

Co-Authors:

Peter Doran

Co-Authors:

Amy Chiuchiolo

Co-Authors:

Maciej Obryk

Lakes integrate landscape processes and climate conditions. Most of the permanently ice-covered lakes in the McMurdo Dry Valleys, Antarctica are closed basin, receiving glacial melt water fro

Projecting Lake-Level Rise from Airborne LiDAR and Climate Models in Taylor Valley, Antarctica

mobryk — Mon, 13 Aug 2012 19:09:33 +0000

Poster Number:

202

Presenter/Primary Author:

Maciek Obryk

Co-Authors:

Spencer Niebuhr

Co-Authors:

Brad Herried

Co-Authors:

Peter Doran

The McMurdo Dry Valleys (approximately 77°45ˈS, 162°E) is the largest ice-free valley system in Antarctica with a cold, hyper-arid climate and mean valley bottom temperatures ranging from -14.8

Student Poster:

Yes

Characterizing spatiotemporal dynamics of wetted soils across a polar desert landscape, McMurdo Dry Valleys Antarctica

zlangford — Fri, 03 Aug 2012 17:53:01 +0000

Poster Number:

167

Presenter/Primary Author:

Zachary Langford

Co-Authors:

Michael N. Gooseff

Co-Authors:

Derrick J. Lampkin

The McMurdo Dry Valleys is a landscape characterized by open expanses of bare soils, alpine and piedmont glaciers, and ice-covered lakes on the valley floors, all underlain by permafrost.

Student Poster:

Yes

Viral dynamics and impacts on the permanently ice-covered McMurdo Dry Valley lakes

khell — Tue, 24 Jul 2012 19:19:58 +0000

Poster Number:

Presenter/Primary Author:

Katherina Hell

Co-Authors:

John C. Priscu

The perennially ice-covered lakes in the McMurdo Dry Valleys are microbially dominated systems lacking a complex food-web.

Student Poster:

Yes