Objective
IS GEOLOGICALLY RAPID CLIMATIC CEAN OE LIKELY IN THE NEAR FUTURE?
We live in a climatic regime that is the warm end-member of the range of climates that the Earth has experienced in the geologically recent past. There is a widespread acceptance of the notion that interglacial climates are relatively stable, in contrast to glacial climates which underwent extreme fluctuations involving substantial temperature change within a single decade. This picture is supported by most analyses of the records from the Greenland ice core. On the other hand historical records indicate that the so-called "Little Ice Age" had a substantial impact on climate and society around the North Atlantic Ocean; there is further evidence that suggests that this was not a unique event in the Holocene. This project aims to reconstruct the climatic behaviour of the North Atlantic region over the last 10,000 years, a time interval when the climate system is directly comparable to the present day because the major ice sheets of the northern hemisphere had melted away.
The research proposal is put forward by a partnership of seven leading European laboratories located in seven different countries. The objective of this proposal is to investigate the extent to which different areas and depth levels of the North Atlantic registered Holocene climatic events, and to consider whether the rapid events of the last glacial can be regarded as an amplified response to an analogous cause, or whether the rapid events of the glacial have to be regarded as arising from a uniquely glacial mechanism (with the implication that they are not relevant to considerations of future climatic change). Finally we plan some modelling experiments that address the question of how the North Atlantic may be expected to respond to geologically rapid climatic forcing; these experiments may also address the question of whether the global ocean can be considered to be at steady-state and stable on human timescales.
The potential human and economic consequences of significant, rapid climatic change are sufficiently great that it is important that we continue to re-evaluate the evidence as our tools for understanding past climates are improved.
In addition it is important that we continually improve the models that are available for evaluating climatic change, since the same models are used to predict anthropogenically forced changes in climate. we recognize that the problem is a difficult one to address but it is of fundamental importance from the societal standpoint. We do not expect to fully answer the question: "Is Geologically Rapid Climatic Change Likely in the Near Future?", but we do expect to obtain a better understanding of the factors that affect the probability of rapid climate change in the North Atlantic Region.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences earth and related environmental sciences atmospheric sciences climatology climatic changes
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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Coordinator
CB2 3RS Cambridge
United Kingdom
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