Expeditions
Atacama Desert of South America
Atacama Desert of South America Desert Resource Management and Punctuated Environmental Change Greg Zaro & Alissa Dubois (text written by Alissa Dubois) The Cola de Zorro archaeological site between the Ilo and Tambo River valleys on the Southern Peruvian coast is situated in what is now one of the driest landscapes on Earth (Figure 1). […]
Read moreReconstructing the Holocene glacial varations of the Hielo Patagonico Sur at Torres del Paine
Patagonia, Chile Reconstructing the Holocene glacial variations of the Hielo Patagonico Sur at Torres del Paine (51oS), southern South America Juan Luis García, February 2010 Uncovering the timing and extension of glaciers during the Holocene provide clues on the climate variability and its causes during this period. Since several decades glaciers records have been studied […]
Read moreModeling energy balance and melt layer formation on the Kahiltna Glacier, Alaska
Kahiltna Glacier, Alaska – Denali National Park Modeling energy balance and melt layer formation on the Kahiltna Glacier, Alaska Dom Winski, Seth Campbell, Karl Kreutz A pressing scientific issue in glaciology is assessing the impact of climate change on glacier mass balance, local hydrology, and sea level rise. To address this issue, a detailed physical […]
Read moreHigh-Elevation Ice Core Reconnaissance on Tupungatito Caldera Glacier
Tupungatito Caldera Glacier, Central Andes High-Elevation Ice Core Reconnaissance on Tupungatito Caldera Glacier, Central Andes, Chile Paul A. Mayewski, Gino Casassa, Gonzalo and Sebastian Camps, Daniel Dixon, Daniel Frye, Bjorn Grigholm, Andrei V. Kurbatov, Michael Morrison, Mario Potocki. (With indispensable assistance of local Arrieros: Fernando, Ismael, Marcelino and Antonio) The high elevation glaciers of the […]
Read moreMaine Wetlands 2010 – Assessing the Effect of Hydrologic Change on Sora and Virginia Rail Populations
Maine Wetlands 2010 Assessing the Effect of Hydrologic Change on Sora and Virginia Rail Populations Ellen Robertson and Brian Olsen Maine (Penobscot and Washington Counties-May through August-2010) The goal of this expedition was to understand how future changes in hydrologic regimes from climate change will impact the breeding marsh birds of the Northeastern United States. […]
Read moreGlacier History of the New Zealand Southern Alps
Glacier History of the New Zealand Southern Alps Personnel: George H. Denton Graduate students: Aaron E. Putnam (Ph.D. candidate), Kathryn L. Ladig (M.S. student), Alice M. Doughty (M.S., now at Victoria University of Wellington), Samuel E. Kelley (M.S., now at University of Buffalo) Collaborators: Dr. Joerg M. Schaefer (Columbia University), Dr. Michael R. Kaplan (Columbia […]
Read morePaleoclimate of Central Asia: Glacial geology and palaeohydrology of the Tarim Basin, Xinjiang, China
Tarim Basin, Xinjiang, China Palaeoclimate of Central Asia: Glacial geology and palaeohydrology of the Tarim Basin, Xinjiang, China Aaron E. Putnam, George H. Denton Collaborators: Wally Broecker and Joerg Schaefer (Columbia University), David E. Putnam and Chunzeng Wang (University of Maine at Presque Isle), Peter and Fred Quesada (Fore River Company) We ventured to Central […]
Read moreHolocene Behavior of Local Ice Caps in East Greenland
Holocene Behavior of Local Ice Caps in East Greenland Brenda Hall, Amanda Lusas August 2010 The Greenland Ice Sheet as well as the rest of the Arctic cryosphere is currently undergoing rapid and dynmaic changes in concert with global warming. However, one unresolved question is whether these changes are unique to the current climate conditions […]
Read moreGlacial Geology and Archaeology in the Pucuncho Basin, Peruvian Andes
Pucuncho Basin, Peruvian Andes Glacial Geology and Archaeology in the Pucuncho Basin, Peruvian Andes Kurt Rademaker and Gordon Bromley, Kristen Gardella (UPenn), Peter Leach and David Reid (J. A. Milner & Associates), Jesse Wertheim and Owen McGlamery (UMaine undergraduates). June 1-August 23, 2010 Project Summary The timing and process of the initial settlement of high […]
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