Supplement to: Falkner, Kelly Kennison; Macdonald, Robie W; Carmack, Eddy C; Weingartner, T (1994): The potential of Barium as a tracer in Arctic water masses. In: Johannessen, O M; Muench, R D & Overland, J E (eds.), The polar oceans and their role in shaping the global environment. Geophysical Monograph Series, American Geophysical Union, 540 pages, ISBN 0-87590-042-9, 85, 63-76