Preprint Short Note Version 5 Preserved in Portico This version is not peer-reviewed

Wood Burial May Be a Leading Candidate for Carbon Sequestration

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Version 1 : Received: 10 December 2021 / Approved: 13 December 2021 / Online: 13 December 2021 (12:40:47 CET)
Version 2 : Received: 16 February 2022 / Approved: 17 February 2022 / Online: 17 February 2022 (12:02:55 CET)
Version 3 : Received: 18 May 2022 / Approved: 18 May 2022 / Online: 18 May 2022 (15:49:05 CEST)
Version 4 : Received: 9 June 2022 / Approved: 10 June 2022 / Online: 10 June 2022 (15:59:04 CEST)
Version 5 : Received: 8 January 2023 / Approved: 9 January 2023 / Online: 9 January 2023 (01:14:28 CET)

How to cite: Xu, K. Wood Burial May Be a Leading Candidate for Carbon Sequestration. Preprints 2021, 2021120201. https://doi.org/10.20944/preprints202112.0201.v5 Xu, K. Wood Burial May Be a Leading Candidate for Carbon Sequestration. Preprints 2021, 2021120201. https://doi.org/10.20944/preprints202112.0201.v5

Abstract

Although several carbon sequestration methods have been proposed according to theories from various disciplines, it is not known which method is the best. This study evaluated and summarized the advantage and disadvantages of several major carbon sequestration methods, including carbon capture and sequestration, ocean alkalinization, algal cultivation, and wood burial, based on the first principles, namely, sequestration scale and time, elemental stoichiometry, and energy use efficiency. This study suggested that, at present, wood burial may be a leading candidate for carbon sequestration because it can be implemented immediately on a large scale, is cost-effective and efficient, has a long sequestration time, has low technical requirements, and has a relatively low impact on agriculture. This study also discussed the implementation of wood burial from the perspective of nutrient requirements. To achieve carbon neutrality by 2050, the present study proposed a 25-year project starting in 2025 with an average sequestration rate of 3 Pg C per year, which includes burying 1.5 Pg of dead wood carbon and the creation of 9.7 × 106 ha woodland.

Keywords

Carbon sequestration; Elemental stoichiometry; Energy use efficiency; First principles; Sequestration scale; Sequestration time

Subject

Environmental and Earth Sciences, Environmental Science

Comments (1)

Comment 1
Received: 9 January 2023
Commenter: Kai Xu
Commenter's Conflict of Interests: Author
Comment: The paper was carefully revised to clearly explain the point. In the new version, this study also proposed a 25-year wood burial project starting in 2025 to achieve carbon neutrality by 2050.
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