Dataset: Calculated power from the oxidation of biomolecules with oxygen at South Pacific Gyre (hole U1370, IODP Expedition 329)

ValidatedFinal no updates expectedDOI: 10.1575/1912/bco-dmo.784530.1Version 1 (2019-12-20)Dataset Type:Other Field Results

Principal Investigator: James Bradley (University of Southern California)

Co-Principal Investigator: Doug LaRowe (University of Southern California)

BCO-DMO Data Manager: Mathew Biddle (Woods Hole Oceanographic Institution)


Program: Center for Dark Energy Biosphere Investigations (C-DEBI)

Project: Develop a 1D biogeochemical-evolutionary model for deep sediments (BIO-SED)


Abstract

Calculated power from the oxidation of biomolecules with oxygen at South Pacific Gyre (hole U1370, IODP Expedition 329)

This sheet contains data on calculated power from the oxidation of biomolecules with oxygen at South Pacific Gyre (hole U1370, IODP Expedition 329). 

This project quantifies the role of microbial necromass and organic carbon as a power source to living microorganisms in marine sediments. The project utilizes a physiochemical model of marine sediment bioenergetics using data available in the literature and well-established modeling constructs. Data sources and model formulation are described in Bradley et al. 2018 (DOI: 10.1002/2017JG004186). For modelling South Pacific Gyre sediments, cell abundance and particulate organic carbon concentrations were determined for site U1370 (IODP Expedition 329) based on published analysis of extracted drill cores: D’Hondt et al. 2015 (DOI: 10.1038/ngeo2387); D’Hondt et al. 2011 (DOI: 10.2204/iodp.proc.329.2011). For modelling global cell abundance, we use the formulation described in Parkes et al. 2014 (DOI: 10.1016/j.margeo.2014.02.009).


Related Datasets

No Related Datasets

Related Publications

Methods

(2011). Proceedings of the IODP. doi:10.2204/iodp.proc.329.2011
Methods

Bradley, J. A., Amend, J. P., & LaRowe, D. E. (2018). Necromass as a Limited Source of Energy for Microorganisms in Marine Sediments. Journal of Geophysical Research: Biogeosciences, 123(2), 577–590. doi:10.1002/2017jg004186
Methods

D’Hondt, S., Inagaki, F., Zarikian, C. A., Abrams, L. J., Dubois, N., Engelhardt, T., … Ziebis, W. (2015). Presence of oxygen and aerobic communities from sea floor to basement in deep-sea sediments. Nature Geoscience, 8(4), 299–304. doi:10.1038/ngeo2387
Methods

Parkes, R. J., Cragg, B., Roussel, E., Webster, G., Weightman, A., & Sass, H. (2014). A review of prokaryotic populations and processes in sub-seafloor sediments, including biosphere:geosphere interactions. Marine Geology, 352, 409–425. doi:10.1016/j.margeo.2014.02.009