The pyrogenic carbon cycle

Bird, Michael I., Wynn, Jonathan G., Saiz, Gustavo, Wurster, Christopher M., and McBeath, Anna (2015) The pyrogenic carbon cycle. Annual Review of Earth and Planetary Sciences, 43. pp. 273-298.

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Abstract

Pyrogenic carbon (PyC; includes soot, char, black carbon, and biochar) is produced by the incomplete combustion of organic matter accompanying biomass burning and fossil fuel consumption. PyC is pervasive in the environment, distributed throughout the atmosphere as well as soils, sediments, and water in both the marine and terrestrial environment. The physicochemical characteristics of PyC are complex and highly variable, dependent on the organic precursor and the conditions of formation. A component of PyC is highly recalcitrant and persists in the environment for millennia. However, it is now clear that a significant proportion of PyC undergoes transformation, translocation, and remineralization by a range of biotic and abiotic processes on comparatively short timescales. Here we synthesize current knowledge of the production, stocks, and fluxes of PyC as well as the physical and chemical processes through which it interacts as a dynamic component of the global carbon cycle.

Item ID: 43348
Item Type: Article (Research - C1)
ISSN: 1545-4495
Keywords: biomass burning, black carbon, charcoal, biochar, carbon cycle, carbon isotopes
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Date Deposited: 12 May 2016 03:27
FoR Codes: 04 EARTH SCIENCES > 0402 Geochemistry > 040204 Organic Geochemistry @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970104 Expanding Knowledge in the Earth Sciences @ 100%
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