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Natural Environment Research Council
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Details of Award

NERC Reference : NER/T/S/2001/00401

Linking evidence for current-related hydrographic change in Australo-Antarctic & SW Pacific Gateways with opening of Drake Passage in early Miocene

Grant Award

Principal Investigator:
Professor IN McCave, University of Cambridge, Earth Sciences
Science Area:
Marine
Earth
Overall Classification:
Earth
ENRIs:
Global Change
Science Topics:
Ocean Circulation
Palaeoenvironments
Tectonic Processes
Climate & Climate Change
Abstract:
A pilot study yielded strong evidence for restructuring of the hydrography in the Australo-Antarctic Gateway and the Tasman Sea immediately following the Mi-1 event of the earliest Miocene. We propose to improve the resolution for stable isotopes, carbonate content and sortable silt. Reduced sample spacing for low-sedimentation Sites 1170-1172 will provide sufficient detail to firmly establish trends, and inter-site differences. Closer sampling at Site 1168 will allow astronomical dating of the observed changes. Comparison with isotopic and Sortable Silt data from Sites 1090 (S. Atlantic) and 1124 (SW Pacific) will be used to establish the relationship between opening of the AAG, SW Pacific and Drake Passage. Moderate resolution benthic foram assemblage work will constrain deep hydrographic changes inferred for the AAG.
Period of Award:
1 Jan 2002 - 31 Dec 2002
Value:
£28,523
Authorised funds only
NERC Reference:
NER/T/S/2001/00401
Grant Stage:
Completed
Scheme:
Directed Pre FEC
Grant Status:
Closed

This grant award has a total value of £28,523  

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FDAB - Financial Details (Award breakdown by headings)

Total - StaffTotal - T&STotal - Other CostsTotal - Indirect Costs
£4,367£989£21,160£2,009

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