Reply to comment by Thomas M. Blattmann on “Carbon dioxide emissions by rock organic carbon oxidation and the next geochemical carbon budget of the Mackenzie River Basin”, v. 319, n. 6, p. 473–499.

Horan, Kate and Hilton, Robert G. and Dellinger, Mathieu and Tipper, Ed and Galy, Valier and Calmels, Damien and Selby, David and Gaillardet, Jérôme and Ottley, Chris J. and Parsons, Daniel R. and Burton, Kevin W. (2019) Reply to comment by Thomas M. Blattmann on “Carbon dioxide emissions by rock organic carbon oxidation and the next geochemical carbon budget of the Mackenzie River Basin”, v. 319, n. 6, p. 473–499. American Journal of Science, 319 (10). pp. 905-906. ISSN 0002-9599 EISSN: 1945-452X DOI https://doi.org/10.2475/10.2019.04

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Official URL: https://doi.org/10.2475/10.2019.04

Abstract

Blattmann’s comment (Blattmann, 2019a) focuses on observations and proposalsmade in the concluding paragraphs of our “Wider Implications” section (pg. 495) andbriefly summarized in the final sentence of the abstract. In our manuscript (Horan andothers, 2019), these interpretations follow on from our measurements of rhenium inriver waters and sediments across the Mackenzie Basin, alongside complementarygeochemical data, which quantify the ongoing rates of rock-derived (‘petrogenic’)organic carbon oxidation. We combine our findings with two decades of publishedresearch to attempt a net geochemical carbon budget during weathering and erosionfor this large river basin (fig. 5 in Horan and others, 2019).

Item Type:	Article
Uncontrolled Keywords:	2020AREP; IA76
Subjects:	01 - Climate Change and Earth-Ocean Atmosphere Systems
Divisions:	01 - Climate Change and Earth-Ocean Atmosphere Systems
Journal or Publication Title:	American Journal of Science
Volume:	319
Page Range:	pp. 905-906
Identification Number:	https://doi.org/10.2475/10.2019.04
Depositing User:	Sarah Humbert
Date Deposited:	16 Apr 2020 00:35
Last Modified:	16 Apr 2020 00:35
URI:	http://eprints.esc.cam.ac.uk/id/eprint/4679

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