Project CELIA: Climate and environment of the last interglacial (Isotope Stage 5) in arctic and subarctic North America
Stage 5e of the marine oxygen isotope record is the last time when world ice volume was lower, sea level was higher, and world climate warmer than during any part of the Holocene. To develop more accurate proxy data for natural climate change during the last interglacial, a multidisciplinary group of scientists working as regional teams has developed Project CELIA to generate and synthesize knowledge for this period from high latitude terrestrial and nearshore marine environments. The authors have cited 13 terrestrial sequences distributed across the Arctic and Subarctic for detailed study based upon well-exposed stratigraphy, abundance of organic remains, and geochronological potential. In addition, information from select marine cores bearing terrestrial pollen and ice cores from Devon and Agassiz Ice Caps will also be incorporated. These data will highlight regional changes in vegetation patterns, tree line position, permafrost distribution, and sea ice conditions from which ocean/atmospheric changes can be inferred. This information will be of value for testing hypotheses generated by GCMs and other simulations of interglacial conditions, refining such models and providing insight to future environments resulting from global warming. CELIA will be carried out over the next 5 years and will be directed by an international board of experts under the auspices of the University of Alberta's Canadian Circumpolar Institute.
- Research Organization:
- Massachusetts Univ., Amherst, MA (United States)
- OSTI ID:
- 7271612
- Report Number(s):
- AD-P-007352/8/XAB
- Resource Relation:
- Other Information: This article is from 'Proceedings of the International Conference on the Role of Polar Regions in Global Change Held in Fairbanks, Alaska on 11-15 June 1990. Volume 2', AD-A253 028, p644-648. See also Volume 1, AD-A253 027
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
58 GEOSCIENCES
CLIMATIC CHANGE
FORECASTING
NORTH AMERICA
PALEOCLIMATOLOGY
CLIMATE MODELS
DRILL CORES
GLACIERS
ICE CAPS
OXYGEN ISOTOPES
PERMAFROST
POLAR REGIONS
POLLEN
SEA LEVEL
SIMULATION
SPATIAL DISTRIBUTION
DISTRIBUTION
GAMETES
GERM CELLS
ICE
ISOTOPES
LEVELS
MATHEMATICAL MODELS
PALEONTOLOGY
540110*
580000 - Geosciences
540210 - Environment
Terrestrial- Basic Studies- (1990-)