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Creator:: Johnson, Kenneth S., Berelson, William M., Boss, Emmanuel S., Chase, Zanna, Claustre, Herve, Emerson, Steven R., Gruber, Nicolas, Kortzinger, Arne, Perry, Mary Jane, and Riser, Stephen C.
Abstract:: Chemical and biological sensor technologies have advanced rapidly in the past five years. Sensors that require low power and operate for multiple years are now available for oxygen, nitrate, and a variety of bio-optional properties that serve as proxies for important components of the carbon cycle (e.g., particulate organic carbon)....
Resource Type:: Article
Full Text:: e R s o N , N I C o l a s g R u B e R , a R N e K ö R t Z I N g e R , m a R y J a N e P e R

Creator:: Berelson, William M., McManus, James, Coale, Kenneth H., Johnson, Kenneth S., Kilgore, Tammy, Burdige, David, and Pilskaln, Cynthia
Abstract:: Benthic chamber measurements of the reactants and products involved with biogenic matter diagenesis (oxygen, ammonium, nitrate, silicate, phosphate, TCO₂, alkalinity) were used to define fluxes of these solutes into and out of the sediments off southern and central California. Onshore to offshore transects indicate many similarities in benthic fluxes between...
Resource Type:: Article
Full Text:: Angeles, California, 90089-0740, U.S.A. 2. Moss Landing Marine Laboratories, P.0. Box 450, Moss Landing

Creator:: Poulson Brucker, Rebecca L., McManus, James, Severmann, Silke, and Berelson, William M.
Abstract:: We present molybdenum isotope and concentration data from 14 sites in the eastern Pacific from the central California to the Peru margin. The environments studied have been chosen to represent a broad range in oxidation-reduction (redox) potential, which provide a framework for the behavior of this redox-sensitive element. Manganese-rich hemipelagic...
Resource Type:: Article
Full Text:: San Nicolas basins. (left) Sediment MoENRICH concentrations and (right) d 98MoENRICH values from

Creator:: Hammond, Douglas E., McManus, James, and Berelson, William M.
Abstract:: Diatom remains indicate the oceanic Ge/Si ratio (μmol/mol) has varied temporally, ranging from Miocene values of 0.9 to Last Glacial Maximum (LGM) values of 0.55, with the present value of 0.69. These ratios lie between those for the primary sources for these elements: continental weathering (Ge/Si = 0.5) and hydrothermal...
Resource Type:: Article
Full Text:: California borderland, a composite of data collected during July 2001 in San Nicolas Basin and further

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