Trace metals in Antarctic clam shells record the chemical dynamics of changing sea ice conditions.

Steve Wing1, Sorrel A O'Connell-Milne2, Lucy C Wing2 and Malcolm R Reid3, (1)University of Otago, Dunedin, New Zealand, (2)University of Otago, Marine Science, Dunedin, New Zealand, (3)University of Otago, Chemistry, Centre for Trace Element Analysis, Dunedin, New Zealand