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The Flux of Black Carbon to Surface Sediments on the New England Continental Shelf
Abstract
Abstract Concentrations and 210 Pb-derived fluxes of Black Carbon (BC) were deduced in recent ocean margin sediments off northeastern USA to investigate the role of this carbon form in the biogeochemical cycle of this element. BC concentrations in contemporary open shelf sediments ranged between 0.11 and 1.7 mg/gdw. Temporal trends of BC in cores, as well as the pattern of chemical markers of combustion sources, were consistent with anthropogenic fossil fuel combustion dominating the BC input to these sediments in recent times. BC fluxes of 1–2 g m −2 yr −1 suggest that the northeastern USA shelf sink is of the same magnitude as estimates of the BC production from fossil fuel and biomass burning in the upwind NE USA source region. Identification of about 10% of total organic carbon as BC has implications for sedimentary carbon preservation, as well as several other aspects of the global biogeochemical cycle of carbon.
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Cites
Determination of atmospheric soot carbon with a simple thermal method
Cachier, H., Bremond, M.-P., & Buat-Ménard, P. (1989) · Tellus B: Chemical and Physical Meteorology · doi:10.3402/tellusb.v41i3.15095 · Cited by 339
Cited by
Burdige, D. J. (2007) · Chemical Reviews · doi:10.1021/cr050347q · Cited by 1,310
Review of the stability of biochar in soils: predictability of O:C molar ratios
Spokas, K. A. (2010) · Carbon Management · doi:10.4155/cmt.10.32 · Cited by 1,160
Redox Properties of Plant Biomass-Derived Black Carbon (Biochar)
Klüpfel, L., Keiluweit, M., Kleber, M., & Sander, M. (2014) · Environmental Science & Technology · doi:10.1021/es500906d · Cited by 1,119
New directions in black carbon organic geochemistry
Masiello, C. A. (2004) · Marine Chemistry · doi:10.1016/j.marchem.2004.06.043 · Cited by 832
Combustion-Derived Polycyclic Aromatic Hydrocarbons in the Environment—A Review
Lima, A. L. C., Farrington, J. W., & Reddy, C. M. (2005) · Environmental Forensics · doi:10.1080/15275920590952739 · Cited by 658
Metadata
- Authors
- Gustafsson, Ö., & Gschwend, P. M.
- Venue
- Geochimica et Cosmochimica Acta
- Publisher
- Elsevier BV
- Published
- 1998-02
- Volume
- 62
- Issue
- 3
- Pages
- 465-472
- ISSN
- 0016-7037 (ISSN-L)
- OpenAlex
- W2069540163
- Cited by
- 230
- References
- 1
- FWCI
- 7.89
- Type
- journal article
- Language
- en
- Open access
- closed
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- Gustafsson, Ö., & Gschwend, P. M. (1998). The Flux of Black Carbon to Surface Sediments on the New England Continental Shelf. Geochimica et Cosmochimica Acta. https://doi.org/10.1016/s0016-7037(97)00370-0
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
