Open Access. Powered by Scholars. Published by Universities.®
Physical Sciences and Mathematics Commons™
Open Access. Powered by Scholars. Published by Universities.®
- Discipline
Articles 1 - 2 of 2
Full-Text Articles in Physical Sciences and Mathematics
A Record Of Atmospheric Co2 During The Last 40,000 Years From The Siple Dome, Antarctica Ice Core, Jinho Ahn, Martin Wahlen, Bruce L. Deck, Ed J. Brook, Paul Andrew Mayewski, Kendrick C. Taylor, James W.C. White
A Record Of Atmospheric Co2 During The Last 40,000 Years From The Siple Dome, Antarctica Ice Core, Jinho Ahn, Martin Wahlen, Bruce L. Deck, Ed J. Brook, Paul Andrew Mayewski, Kendrick C. Taylor, James W.C. White
Earth Science Faculty Scholarship
We have measured the CO2 concentration of air occluded during the last 40,000 years in the deep Siple Dome A ( hereafter Siple Dome) ice core, Antarctica. The general trend of CO2 concentration from Siple Dome ice follows the temperature inferred from the isotopic composition of the ice and is mostly in agreement with other Antarctic ice core CO2 records. CO2 rose initially at similar to 17.5 kyr B. P. ( thousand years before 1950), decreased slowly during the Antarctic Cold Reversal, rose during the Younger Dryas, fell to a local minimum at around 8 kyr B. P., and rose …
Millenial-Scale Climatic Oscillations In New Zealand During The Last Glacial Cycle; Pep Iii Transect, George H. Denton
Millenial-Scale Climatic Oscillations In New Zealand During The Last Glacial Cycle; Pep Iii Transect, George H. Denton
University of Maine Office of Research Administration: Grant Reports
Millennial-Scale Climatic Oscillations in New Zealand During the Last Glacial Cycle: PEP III Transect Paleoclimate records from Greenland ice cores and North Atlantic sediments indicate that the glacial climate over the North Atlantic basin was punctuated with large and frequent abrupt climatic changes (Dansgaard-Oeschger and Henrich events). Because the events first appeared to have been regionally restricted, most explanations have invoked regional forcing mechanisms. But quite a different perspective would emerge if these events were shown to be of this global-scale. SGER award supports a reconnaissance study of the glacial and vegetative paleoclimate record of the massive morainal deposits of …