Now showing items 1-2 of 2

  • 230Th normalization : an essential tool for interpreting sedimentary fluxes during the late Quaternary 

    Francois, Roger; Frank, Martin; Rutgers van der Loeff, Michiel M.; Bacon, Michael P. (American Geophysical Union, 2004-03-05)
    There is increasing evidence indicating that syndepositional redistribution of sediment on the seafloor by bottom currents is common and can significantly affect sediment mass accumulation rates. Notwithstanding its common ...
  • Fluctuations in export productivity over the last century from sediments of a southern Chilean fjord (44°S) 

    Sepulveda, Julio; Pantoja, Silvio; Hughen, Konrad A.; Lange, Carina B.; Gonzalez, Fidelina; Munoz, Praxedes; Rebolledo, Lorena; Castro, Rodrigo; Contreras, Sergio; Avila, Alejandro; Rossel, Pamela; Lorca, Gisella; Salamanca, Marco; Silva, Nelson (2005-07-08)
    Here we present the first reconstruction of changes in surface primary production during the last century from the Puyuhuapi fjord in southern Chile, using a variety of parameters (diatoms, biogenic silica, total organic ...