Deep carbon storage potential of buried floodplain soils

Abstract Soils account for the largest terrestrial pool of carbon and have the potential for even greater quantities of carbon sequestration. Typical soil carbon (C) stocks used in global carbon models only account for the upper 1 meter of soil. Previously unaccounted for deep carbon pools (>1 m)...

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Autores principales: Amanda H. D’Elia, Garrett C. Liles, Joshua H. Viers, David R. Smart
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Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/9f21522ecf7e4251a7aa4037a63dce4b
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spelling oai:doaj.org-article:9f21522ecf7e4251a7aa4037a63dce4b2021-12-02T11:52:27ZDeep carbon storage potential of buried floodplain soils10.1038/s41598-017-06494-42045-2322https://doaj.org/article/9f21522ecf7e4251a7aa4037a63dce4b2017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-06494-4https://doaj.org/toc/2045-2322Abstract Soils account for the largest terrestrial pool of carbon and have the potential for even greater quantities of carbon sequestration. Typical soil carbon (C) stocks used in global carbon models only account for the upper 1 meter of soil. Previously unaccounted for deep carbon pools (>1 m) were generally considered to provide a negligible input to total C contents and represent less dynamic C pools. Here we assess deep soil C pools associated with an alluvial floodplain ecosystem transitioning from agricultural production to restoration of native vegetation. We analyzed the soil organic carbon (SOC) concentrations of 87 surface soil samples (0–15 cm) and 23 subsurface boreholes (0–3 m). We evaluated the quantitative importance of the burial process in the sequestration of subsurface C and found our subsurface soils (0–3 m) contained considerably more C than typical C stocks of 0–1 m. This deep unaccounted soil C could have considerable implications for global C accounting. We compared differences in surface soil C related to vegetation and land use history and determined that flooding restoration could promote greater C accumulation in surface soils. We conclude deep floodplain soils may store substantial quantities of C and floodplain restoration should promote active C sequestration.Amanda H. D’EliaGarrett C. LilesJoshua H. ViersDavid R. SmartNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-7 (2017)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Amanda H. D’Elia
Garrett C. Liles
Joshua H. Viers
David R. Smart
Deep carbon storage potential of buried floodplain soils
description Abstract Soils account for the largest terrestrial pool of carbon and have the potential for even greater quantities of carbon sequestration. Typical soil carbon (C) stocks used in global carbon models only account for the upper 1 meter of soil. Previously unaccounted for deep carbon pools (>1 m) were generally considered to provide a negligible input to total C contents and represent less dynamic C pools. Here we assess deep soil C pools associated with an alluvial floodplain ecosystem transitioning from agricultural production to restoration of native vegetation. We analyzed the soil organic carbon (SOC) concentrations of 87 surface soil samples (0–15 cm) and 23 subsurface boreholes (0–3 m). We evaluated the quantitative importance of the burial process in the sequestration of subsurface C and found our subsurface soils (0–3 m) contained considerably more C than typical C stocks of 0–1 m. This deep unaccounted soil C could have considerable implications for global C accounting. We compared differences in surface soil C related to vegetation and land use history and determined that flooding restoration could promote greater C accumulation in surface soils. We conclude deep floodplain soils may store substantial quantities of C and floodplain restoration should promote active C sequestration.
format article
author Amanda H. D’Elia
Garrett C. Liles
Joshua H. Viers
David R. Smart
author_facet Amanda H. D’Elia
Garrett C. Liles
Joshua H. Viers
David R. Smart
author_sort Amanda H. D’Elia
title Deep carbon storage potential of buried floodplain soils
title_short Deep carbon storage potential of buried floodplain soils
title_full Deep carbon storage potential of buried floodplain soils
title_fullStr Deep carbon storage potential of buried floodplain soils
title_full_unstemmed Deep carbon storage potential of buried floodplain soils
title_sort deep carbon storage potential of buried floodplain soils
publisher Nature Portfolio
publishDate 2017
url https://doaj.org/article/9f21522ecf7e4251a7aa4037a63dce4b
work_keys_str_mv AT amandahdelia deepcarbonstoragepotentialofburiedfloodplainsoils
AT garrettcliles deepcarbonstoragepotentialofburiedfloodplainsoils
AT joshuahviers deepcarbonstoragepotentialofburiedfloodplainsoils
AT davidrsmart deepcarbonstoragepotentialofburiedfloodplainsoils
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