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EMERGE

UNIVERSITY OF LIVERPOOL (ULIV)

address   resp. scientist   members   tasks   publications   districts  


Responsible scientist

P. G. Appleby

E-mail:appleby@liverpool.ac.uk
, Institute:
University of Liverpool,
Address:
PO Box 147
Liverpool, United Kingdom
Phone: +44 151 794 4,
Fax: +44 151 794 4

Professor of Applied Mathematics, Director of the Environmental Radioactivity Research Centre, has a research career spanning more than 30 years. During which time he has published over 130 scientific papers and research reports on applied mathematics and environmental radioactivity and their application to dating peat bog and lake sediment sequences and modelling pollutant transport. He has participated in a wide range of international environmental research programmes and secured numerous research grants and contracts. EC projects have included AL:PE (1991-3), AL:PE2 (1993-5), CASSARINA (1997-9), BIOMASS (1997-9) as subcontractor and MOLAR (1997-9), Behaviour of Transuranics (1997-9) and 210Pb and 137Cs as Tracers of Global Circulation (1997-9) as partner.


Members

Anja Ploger
E-mail:a.ploger@liv.ac.uk,
Institute:
University of Liverpool,
Address:
PO Box 147
Liverpool, United Kingdom,
Phone: +44 151 794 4,
Fax: +44 151 794 4

Stan van den Berg
E-mail:vandenberg@liverpool.ac.uk,
Institute:
University of Liverpool,
Address:
PO Box 147
Liverpool, United Kingdom,
Phone: +44 151 794 4,
Fax: +44 151 794 4

http://www.liv.ac.uk/~sn35/Marine_Electrochemistry.html


Tasks:

ULIV uses radionuclides as tracers for studying the regional distribution of atmospherically deposited pollutants; the speciation of trace metals in the water column; validating models for the transport of atmospherically deposited pollutants in catchment/lake systems. ERRC databases on atmospheric fluxes and their records in lake sediments are used to make reliable estimates of 210Pb fluxes throughout Europe. Detailed comparative studies between radionuclides and POPs, trace metals and SCPs in rainfall, soil cores and lake sediments are used to make accurate reconstructions of historical pollutant fluxes at sites with established palaeolimnological records and to estimate depositional fluxes at non-monitored sites. Trace metal speciation in the water column is undertaken at Experimental sites to assist understanding of bioavailability, and of transport processes through the water column to the sediment record. At the two Experimental sites, in the Pyrenees and Tatra Mountains, mass balances for fallout 210Pb is established using measurements in rain, lake water, and bottom sediments. Inventories in bulked sediment cores from different depositional zones are used to produce distribution maps over the bed of the lake and to calculate the total inventory in the sediment record. The results are used to quantify catchment inputs, and the impact of sediment focusing on palaeolimnological records. Comparisons with similar studies of POPs and trace metals are used to validate models of transport processes. A limited number of sediment cores is dated by 210Pb to fill in essential gaps in the palaeo-limnological record.


Lake Districts:


Recent Publications

Sediment records of fallout radionuclides and their application to studies of sediment-water interactions

Appleby, P.G., (1997). Water, Air & Soil Pollution, 99: 573-586.

Inventories and fluxes of 210Pb, 137Cs and 241Am determined from the soils of three small catchments in Cumbria, UK

Smith,J.T., Appleby, P.G., Hilton, J. & Richardson, N. (1997) J. Environ. Radioact. 37: 127-142.

History of atmospheric lead deposition since 12,370 14C yr BP from a peat bog, Jura Mountains, Switzerland

Shotyk,W., Weiss, D., Appleby, P.G., Cheburkin, A.K., Frei, R., Gloor, M., & Van der Knapp, W.O. (1998) Science, 281:1625-1640.

Folic acid and glutathione in the water column of the North East Atlantic

Le Gall, A.C. & van den Berg, C.M.G. (1998) Deep-Sea Research I, 45: 1903-1918.

Metal-sulfide complexation in seawater

Al-Farawati, R. & van den Berg, C.M.G. (1998) Marine Chemistry, 63: 331-352.

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