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1. To generate high-resolution quantitative palaeoceanographic/palaeoclimatic data from NE Atlantic coastal/shelf sites for the last 2000 years using a multidisciplinary approach 2. To develop novel palaeoclimatic tools for shallow marine settings by (i) calibrating the proxy data against instrumental datasets, (ii) contributing to transfer function development, and (iii) then to extrapolate back beyond the timescale of the instrumental data using the palaeoclimate record 3. To investigate the link between late Holocene climate variability detected in the shelf/coastal regions of western Europe and the variability of the oceanic heat flux associated with the North Atlantic thermohaline circulation, and to compare such variability with existing high-resolution terrestrial proxies to help determine forcing mechanisms behind such climate change 4. To lay a foundation for the identification of hazards and resources linked with, or forced by, such climate change.
The objectives are: 1. to monitor in near-real time the levels of a whole suite of halocarbons (both biogenic and anthropogenic) ranging through CFCs, HCFCs, and HFCs using an adsorption/desorption system coupled to a GC/MS system not using liquid cryogens. 2.The system will be installed (April 2000) at the Ny-Alesund, Zeppelin Research Station and will be operated and owned by NILU (Dr. N.SChmidbauer). 3. Comparisons will be made with the data obtained (since Oct. 1994) on similar compounds from the Mace Head (Ireland) station which uses similar instrumentation, and the Jungfraujoch Station (Jan 2000) operated by EMPA (Dr. Stefan Reimann). 4. Data will be compared to the Southern Hemisphere data collected at Cape Grimm, Tasmania by CSIRO (Dr. P. Fraser) 5. Data will be used to model the dispersion of the halocarbons in the high latitudes and possible consequences for radiative forcing.