Fall 2011 - Porewater Samples

Porewater samples collected for: Analytical Method Instrument Method Reference
Dissolved Organic Carbon High temperature combustion Shimadzu TOC-V http://www.pangaea.de/Projects/JGOFS/Methods/chap16.html;
Total Dissolved Nitrogen High temperature combustion/Chemiluminescence Shimadzu TOC-V with TN Unit Pan et al., Simultaneous Determination of Dissolved Organic Carbon and Total Dissolved Nitrogen on a Coupled High-Temperature Combustion Total Organic Carbon-Nitrogen Chemiluminescence Detection (HTC TOC-NCD) System. Journal of Automated Methods & Management in Chemistry, 2005 (2005), no. 4, 240–246
Total Dissolved Phosphorus Spectrophotometry Shimadzu UV-1601 Solorzano, L., and Sharp, J. H. 1980. Determination of total dissolved phosphorus and particulate phosphorus in natural waters. Limnol. Oceanogr. 25: 754-758.
NOx (Nitrate + Nitrite) Flow Injection Autoanalyzer Lachat Instruments FIA+ 8000 Series Lachat Instruments FIA 8000 Autoanalyzer Method 31-107-04-1-A
Nitrite Flow Injection Autoanalyzer Lachat Instruments FIA+ 8000 Series Lachat Instruments FIA 8000 Autoanalyzer Method 31-107-04-1-A
Orthophosphate Flow Injection Autoanalyzer Lachat Instruments FIA+ 8000 Series Lachat Instruments FIA 8000 Autoanalyzer Method 31-115-01-1-H
Reactive Silicate Flow Injection Autoanalyzer Lachat Instruments FIA+ 8000 Series Lachat Instruments FIA 8000 Autoanalyzer Method 31-114-27-1-D
Ammonium Spectrophotometry Shimadzu UV-1601 Solorzano, L. 1969. Determination of ammonia in natural waters by the phenolhypochlorite method. Limnol. Oceanogr. 14: 799-801
Anions (Sulfate + Chloride) Ion Chromatography DIONEX ICS-2000 DIONEX Application Note 154: Determination of Inorganic Anions in Environmental Waters Using a Hydroxide-Selective Column.
Anaerobic Methane Oxidation Sediment incubations with 14CH4 Scintillation Counter Orcutt, B., et al. 2005. Molecular biogeochemistry of sulfate reduction, methanogenesis and the anaerobic oxidation of methane at Gulf of Mexico methane seeps. GCA Vol. 69, No. 17, pp. 4267–4281

References:
Joye SB, Bowles M.W., Samarkin V.A., Hunter K.S., Niemann H.. 2010. Biogeochemical signatures and microbial activity of different cold seep habitats along the Gulf of Mexico lower slope. Deep Sea Research. 10:doi:10.1016/j.dsr2.2010.06.001.

Joye SB, MacDonald I.R., Leifer I., Asper V.. 2011. Magnitude and oxidation potential of hydrocarbon gases released from the BP blowout. Nature Geoscience. 4:160-164.

Orcutt B.N., Samarkin V., Boetius A., Elvert M., Joye SB. 2005. Molecular biogeochemistry of sulfate reduction, methanogenesis and the anaerobic oxidation of methane at Gulf of Mexico methane seeps. Geochimica et Cosmochimica Acta. 69:4267-4281.

Fall2011_Porewater.csv