Advocating Eco-engineering Approach for Ocean Carbon Negative Emission

Authors

Yuze WANG, Department of Ocean Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China Shenzhen Branch, Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Shenzhen 518055, ChinaFollow
Yun LU, Department of Ocean Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
Jihua LIU, Institute of Marine Science and Technology, Shandong University, Qingdao 266237, China Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519000, China
Chuanlun ZHANG, Department of Ocean Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China Shenzhen Branch, Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Shenzhen 518055, China Shenzhen Key Laboratory of Marine Archaea Geo-Omics, Southern University of Science and Technology, Shenzhen 518055, China Shanghai Sheshan National Geophysical Observatory, Shanghai 201602, ChinaFollow

Keywords

biological pump (BP), microbial carbon pump (MCP), carbonate carbon pump (CCP), marine carbon storage, ocean carbon negative emission geoengineering

Document Type

Technical Roadmap and Strategic Thinking of Ocean Negative Emissions Aiming Carbon Neutrality

Abstract

Micro-organisms such as bacteria, archaea, and viruses are an immense invisible driving force behind the ocean carbon cycle and play a pivotal role in global climate change. Atmospheric CO2 is transformed into depositing organic components with the help of marine planktonic organisms which act as a biological pump (BP). The labile organic components are then transformed into recalcitrant organic carbon (RDOC) through the action of bacteria, archaea, and other organisms and viruses, which are called the microbial carbon pump (MCP). RDOC can be stored over thousands of years in the water column and the accompanying particulate organic matter can further settle on the seafloor and be transformed into carbonate minerals (carbonate carbon pump, CCP) by the action of benthic microorganisms for storage over a longer time period. Based on a full understanding of marine microbial processes and mechanisms, this article explains the principles and advantages of carbon sequestration and carbon storage integrated with BP, MCP, and CCP by using an eco-engineering approach to develop ocean negative emission strategies. The engineering feasibility plan, facilitated with artificial intelligence measures, provides a theoretical basis and experimental scenario that can be monitored, reported, and verified for ocean carbon storage. The implementation of this plan will provide valuable information for achieving the important goal of carbon neutrality by 2060.

First page

279

Last Page

287

Language

Chinese

Publisher

Bulletin of Chinese Academy of Sciences

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Recommended Citation

WANG, Yuze; LU, Yun; LIU, Jihua; and ZHANG, Chuanlun (2021) "Advocating Eco-engineering Approach for Ocean Carbon Negative Emission," Bulletin of Chinese Academy of Sciences (Chinese Version): Vol. 36 : Iss. 3 , Article 6.
DOI: https://doi.org/10.16418/j.issn.1000-3045.20210308001
Available at: https://bulletinofcas.researchcommons.org/journal/vol36/iss3/6