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Journals and Conferences
The net inputs of silicic acid (dissolved silica) to the world ocean have been revised to 6.1 +/- 2.0 teramoles of silicon per year (1 teramole = 10(12) moles). The major contribution (about 80 percent) comes from rivers, whose world average silicic acid concentration is 150 micromolar. These inputs are reasonably balanced by the net ouputs of biogenic… (More)
to benthic oxygen demand to particulate organic carbon supply in the deep sea near Bermuda. Nature 371: 686689.
In 2002, section B of the Larsen ice shelf, off of the Eastern Antarctic Peninsula, collapsed and created the opportunity to study whether the changes at the sea surface left evidence in the sedimentary record. Biogenic silica is major constituent of Antarctic marine sediment, and its presence in the sediment column is associated with diatom production in… (More)
of megafaunal mounds indicate rapid sediment turnover and community response at the deep-sea floor. Nature 323: 251-253.