Re-evaluating Scotland’s sedimentary carbon stocks

Craig Smeaton; William Austin; Bill Turrell

doi:10.7489/12267-1

Re-evaluating Scotland’s sedimentary carbon stocks

Craig Smeaton, William Austin, Bill Turrell

Research output: Book/Report › Commissioned report

Abstract

This report sets out to provide an improved estimate of the carbon (C) held within Scotland’s marine sedimentary environments across Scotland’s mapped extended Exclusive Economic Zone (i.e. 554,755 km²). Marine sediments accumulating on the ocean floor hold large quantities of carbon (C); these environments can also act to trap and store C over long periods of time (> 10³ yrs). The surficial sediments (top 10 cm) of the mapped extended Scottish EEZ holds an estimated 1,515 ± 252 Mt C. The majority of this C is in the form of calcium carbonate (CaCO₃), with an estimated 1,294 ± 161 Mt IC being held within the surficial sediments. A significantly lower quantity of C in these surface sediments is stored in the organic form, with an estimated 221 ± 92 Mt OC currently held within the top 10 cm of sediment within Scotland’s mapped extended EEZ.

Original language	English
Publisher	Marine Scotland
Commissioning body	MARINE SCOTLAND
Number of pages	20
Volume	11
Edition	2
DOIs	https://doi.org/10.7489/12267-1
Publication status	Published - 24 Feb 2020

Publication series

Name	Scottish Marine and Freshwater Science
Publisher	Marine Scotland
No.	2
Volume	11
ISSN (Electronic)	2043-722

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 14 Life Below Water

Keywords

Carbon
Sediment
Inorganic
Organic
Seabed

Access to Document

10.7489/12267-1Licence: Other

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Final published version, 1.85 MBLicence: Other

Cite this

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AB - This report sets out to provide an improved estimate of the carbon (C) held within Scotland’s marine sedimentary environments across Scotland’s mapped extended Exclusive Economic Zone (i.e. 554,755 km2). Marine sediments accumulating on the ocean floor hold large quantities of carbon (C); these environments can also act to trap and store C over long periods of time (> 103 yrs). The surficial sediments (top 10 cm) of the mapped extended Scottish EEZ holds an estimated 1,515 ± 252 Mt C. The majority of this C is in the form of calcium carbonate (CaCO3), with an estimated 1,294 ± 161 Mt IC being held within the surficial sediments. A significantly lower quantity of C in these surface sediments is stored in the organic form, with an estimated 221 ± 92 Mt OC currently held within the top 10 cm of sediment within Scotland’s mapped extended EEZ.

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Re-evaluating Scotland’s sedimentary carbon stocks

Abstract

Publication series

UN SDGs

Keywords

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