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This project will construct detailed phosphorus budgets for polar catchments occupied by glaciers and freshwater systems undergoing rapid response to climate warming. These are Midre Lovenbreen, Svalbard; Jebsen Creek, Signy Island (maritime Antarctic) and Storglaciaren, northern Sweden. The relationship between meltwater production, pathway and phosphorus liberation from glacial sediments will be examined closely. Emphasis will be given to phosphorus sorption dynamics in turbid glacial streams and their receiving waters (fjords and lakes).
1. To quantify benthic community parameters for all size classes of fauna across the Oxygen Minimum Zone (OMZ) 2. To make a detailed assessment across the OMZ of a) sediment accumulation, mixing and irrigation rates and depths and b) environmental factors acting as controls on faunal activity 3. To characterise solid phase and porewater geochemistry of sediments across the OMZ 4. To assess a) faunal digestive Organic Matter (OM) alteration, b) the relative importance of chemo- and photosynthetic food sources, and c) benthic food web structure, across the OMZ 5. To determine porewater profiles and benthic solute fluxes in situ, and to assess faunal OM assimilation and trophic relationships by monitoring tracers during shipboard and in situ incubations 6. To obtain high resolution porewater profiles of oxygen and other key analytes, free of pressure and other effects potentially introduced by core recovery 7. To determine in situ oxygen consumption rates and benthic fluxes 8. To use labelled tracers to assess mixing and irrigation rates, faunal OM assimilation, and size-selective ingestion and mixing 9.To determine sediment denitrification and sulfate reduction rates and their contributions to OM remineralisation
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 project aims to develop Molecular Imprinted Polymer (MIP)sensors into practical tools for the monitoring of a number of pollutants listed in the EU Water Framework Directive. (Further details in commercial confidence)