Limited impact of atmospheric nitrogen deposition on marine productivity due to biogeochemical feedbacks in a global ocean model
The impact of increasing anthropogenic atmospheric nitrogen deposition on marine biogeochemistry is uncertain. We performed simulations to quantify its effect on nitrogen cycling and marine productivity in a global 3‐D ocean biogeochemistry model. Nitrogen fixation provides an efficient feedback by...
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| Autor*in: |
Somes, Christopher J [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Rechteinformationen: |
Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. |
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| Übergeordnetes Werk: |
Enthalten in: Geophysical research letters - Washington, DC : Union, 1974, 43(2016), 9, Seite 4500-4509 |
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| Übergeordnetes Werk: |
volume:43 ; year:2016 ; number:9 ; pages:4500-4509 |
| Links: |
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| DOI / URN: |
10.1002/2016GL068335 |
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| 520 | |a The impact of increasing anthropogenic atmospheric nitrogen deposition on marine biogeochemistry is uncertain. We performed simulations to quantify its effect on nitrogen cycling and marine productivity in a global 3‐D ocean biogeochemistry model. Nitrogen fixation provides an efficient feedback by decreasing immediately to deposition, whereas water column denitrification increases more gradually in the slowly expanding oxygen deficient zones. Counterintuitively, nitrogen deposition near oxygen deficient zones causes a net loss of marine nitrogen due to the stoichiometry of denitrification. In our idealized atmospheric deposition simulations that only account for nitrogen cycle perturbations, these combined stabilizing feedbacks largely compensate deposition and suppress the increase in global marine productivity to <2%, in contrast to a simulation that neglects nitrogen cycle feedbacks that predicts an increase of >15%. Our study emphasizes including the dynamic response of nitrogen fixation and denitrification to atmospheric nitrogen deposition to predict future changes of the marine nitrogen cycle and productivity. N 2 fixation decreases in response to atmospheric nitrogen deposition Denitrification increases in response to atmospheric nitrogen deposition Nitrogen cycle feedbacks stabilize marine nitrogen inventory and limit changes to productivity | ||
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| 650 | 4 | |a fixation | |
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| 650 | 4 | |a denitrification | |
| 650 | 4 | |a atmospheric nitrogen deposition | |
| 650 | 4 | |a Ocean-atmosphere interaction | |
| 650 | 4 | |a Biogeochemistry | |
| 650 | 4 | |a Atmospheric chemistry | |
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| 700 | 1 | |a Oschlies, Andreas |4 oth | |
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10.1002/2016GL068335 doi PQ20160610 (DE-627)OLC1974739449 (DE-599)GBVOLC1974739449 (PRQ)p718-70701984bdd55658ba6992fb5db24ce2ce15009b6763c581e0a5495d00d7c72d0 (KEY)0026932820160000043000904500limitedimpactofatmosphericnitrogendepositiononmari DE-627 ger DE-627 rakwb eng 550 DNB 38.70 bkl Somes, Christopher J verfasserin aut Limited impact of atmospheric nitrogen deposition on marine productivity due to biogeochemical feedbacks in a global ocean model 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The impact of increasing anthropogenic atmospheric nitrogen deposition on marine biogeochemistry is uncertain. We performed simulations to quantify its effect on nitrogen cycling and marine productivity in a global 3‐D ocean biogeochemistry model. Nitrogen fixation provides an efficient feedback by decreasing immediately to deposition, whereas water column denitrification increases more gradually in the slowly expanding oxygen deficient zones. Counterintuitively, nitrogen deposition near oxygen deficient zones causes a net loss of marine nitrogen due to the stoichiometry of denitrification. In our idealized atmospheric deposition simulations that only account for nitrogen cycle perturbations, these combined stabilizing feedbacks largely compensate deposition and suppress the increase in global marine productivity to <2%, in contrast to a simulation that neglects nitrogen cycle feedbacks that predicts an increase of >15%. Our study emphasizes including the dynamic response of nitrogen fixation and denitrification to atmospheric nitrogen deposition to predict future changes of the marine nitrogen cycle and productivity. N 2 fixation decreases in response to atmospheric nitrogen deposition Denitrification increases in response to atmospheric nitrogen deposition Nitrogen cycle feedbacks stabilize marine nitrogen inventory and limit changes to productivity Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. fixation marine productivity denitrification atmospheric nitrogen deposition Ocean-atmosphere interaction Biogeochemistry Atmospheric chemistry Nitrogen Landolfi, Angela oth Koeve, Wolfgang oth Oschlies, Andreas oth Enthalten in Geophysical research letters Washington, DC : Union, 1974 43(2016), 9, Seite 4500-4509 (DE-627)129095109 (DE-600)7403-2 (DE-576)01443122X 0094-8276 nnns volume:43 year:2016 number:9 pages:4500-4509 http://dx.doi.org/10.1002/2016GL068335 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2016GL068335/abstract http://search.proquest.com/docview/1791285148 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_47 GBV_ILN_62 GBV_ILN_154 GBV_ILN_601 GBV_ILN_2279 38.70 AVZ AR 43 2016 9 4500-4509 |
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10.1002/2016GL068335 doi PQ20160610 (DE-627)OLC1974739449 (DE-599)GBVOLC1974739449 (PRQ)p718-70701984bdd55658ba6992fb5db24ce2ce15009b6763c581e0a5495d00d7c72d0 (KEY)0026932820160000043000904500limitedimpactofatmosphericnitrogendepositiononmari DE-627 ger DE-627 rakwb eng 550 DNB 38.70 bkl Somes, Christopher J verfasserin aut Limited impact of atmospheric nitrogen deposition on marine productivity due to biogeochemical feedbacks in a global ocean model 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The impact of increasing anthropogenic atmospheric nitrogen deposition on marine biogeochemistry is uncertain. We performed simulations to quantify its effect on nitrogen cycling and marine productivity in a global 3‐D ocean biogeochemistry model. Nitrogen fixation provides an efficient feedback by decreasing immediately to deposition, whereas water column denitrification increases more gradually in the slowly expanding oxygen deficient zones. Counterintuitively, nitrogen deposition near oxygen deficient zones causes a net loss of marine nitrogen due to the stoichiometry of denitrification. In our idealized atmospheric deposition simulations that only account for nitrogen cycle perturbations, these combined stabilizing feedbacks largely compensate deposition and suppress the increase in global marine productivity to <2%, in contrast to a simulation that neglects nitrogen cycle feedbacks that predicts an increase of >15%. Our study emphasizes including the dynamic response of nitrogen fixation and denitrification to atmospheric nitrogen deposition to predict future changes of the marine nitrogen cycle and productivity. N 2 fixation decreases in response to atmospheric nitrogen deposition Denitrification increases in response to atmospheric nitrogen deposition Nitrogen cycle feedbacks stabilize marine nitrogen inventory and limit changes to productivity Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. fixation marine productivity denitrification atmospheric nitrogen deposition Ocean-atmosphere interaction Biogeochemistry Atmospheric chemistry Nitrogen Landolfi, Angela oth Koeve, Wolfgang oth Oschlies, Andreas oth Enthalten in Geophysical research letters Washington, DC : Union, 1974 43(2016), 9, Seite 4500-4509 (DE-627)129095109 (DE-600)7403-2 (DE-576)01443122X 0094-8276 nnns volume:43 year:2016 number:9 pages:4500-4509 http://dx.doi.org/10.1002/2016GL068335 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2016GL068335/abstract http://search.proquest.com/docview/1791285148 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_47 GBV_ILN_62 GBV_ILN_154 GBV_ILN_601 GBV_ILN_2279 38.70 AVZ AR 43 2016 9 4500-4509 |
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10.1002/2016GL068335 doi PQ20160610 (DE-627)OLC1974739449 (DE-599)GBVOLC1974739449 (PRQ)p718-70701984bdd55658ba6992fb5db24ce2ce15009b6763c581e0a5495d00d7c72d0 (KEY)0026932820160000043000904500limitedimpactofatmosphericnitrogendepositiononmari DE-627 ger DE-627 rakwb eng 550 DNB 38.70 bkl Somes, Christopher J verfasserin aut Limited impact of atmospheric nitrogen deposition on marine productivity due to biogeochemical feedbacks in a global ocean model 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The impact of increasing anthropogenic atmospheric nitrogen deposition on marine biogeochemistry is uncertain. We performed simulations to quantify its effect on nitrogen cycling and marine productivity in a global 3‐D ocean biogeochemistry model. Nitrogen fixation provides an efficient feedback by decreasing immediately to deposition, whereas water column denitrification increases more gradually in the slowly expanding oxygen deficient zones. Counterintuitively, nitrogen deposition near oxygen deficient zones causes a net loss of marine nitrogen due to the stoichiometry of denitrification. In our idealized atmospheric deposition simulations that only account for nitrogen cycle perturbations, these combined stabilizing feedbacks largely compensate deposition and suppress the increase in global marine productivity to <2%, in contrast to a simulation that neglects nitrogen cycle feedbacks that predicts an increase of >15%. Our study emphasizes including the dynamic response of nitrogen fixation and denitrification to atmospheric nitrogen deposition to predict future changes of the marine nitrogen cycle and productivity. N 2 fixation decreases in response to atmospheric nitrogen deposition Denitrification increases in response to atmospheric nitrogen deposition Nitrogen cycle feedbacks stabilize marine nitrogen inventory and limit changes to productivity Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. fixation marine productivity denitrification atmospheric nitrogen deposition Ocean-atmosphere interaction Biogeochemistry Atmospheric chemistry Nitrogen Landolfi, Angela oth Koeve, Wolfgang oth Oschlies, Andreas oth Enthalten in Geophysical research letters Washington, DC : Union, 1974 43(2016), 9, Seite 4500-4509 (DE-627)129095109 (DE-600)7403-2 (DE-576)01443122X 0094-8276 nnns volume:43 year:2016 number:9 pages:4500-4509 http://dx.doi.org/10.1002/2016GL068335 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2016GL068335/abstract http://search.proquest.com/docview/1791285148 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_47 GBV_ILN_62 GBV_ILN_154 GBV_ILN_601 GBV_ILN_2279 38.70 AVZ AR 43 2016 9 4500-4509 |
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10.1002/2016GL068335 doi PQ20160610 (DE-627)OLC1974739449 (DE-599)GBVOLC1974739449 (PRQ)p718-70701984bdd55658ba6992fb5db24ce2ce15009b6763c581e0a5495d00d7c72d0 (KEY)0026932820160000043000904500limitedimpactofatmosphericnitrogendepositiononmari DE-627 ger DE-627 rakwb eng 550 DNB 38.70 bkl Somes, Christopher J verfasserin aut Limited impact of atmospheric nitrogen deposition on marine productivity due to biogeochemical feedbacks in a global ocean model 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The impact of increasing anthropogenic atmospheric nitrogen deposition on marine biogeochemistry is uncertain. We performed simulations to quantify its effect on nitrogen cycling and marine productivity in a global 3‐D ocean biogeochemistry model. Nitrogen fixation provides an efficient feedback by decreasing immediately to deposition, whereas water column denitrification increases more gradually in the slowly expanding oxygen deficient zones. Counterintuitively, nitrogen deposition near oxygen deficient zones causes a net loss of marine nitrogen due to the stoichiometry of denitrification. In our idealized atmospheric deposition simulations that only account for nitrogen cycle perturbations, these combined stabilizing feedbacks largely compensate deposition and suppress the increase in global marine productivity to <2%, in contrast to a simulation that neglects nitrogen cycle feedbacks that predicts an increase of >15%. Our study emphasizes including the dynamic response of nitrogen fixation and denitrification to atmospheric nitrogen deposition to predict future changes of the marine nitrogen cycle and productivity. N 2 fixation decreases in response to atmospheric nitrogen deposition Denitrification increases in response to atmospheric nitrogen deposition Nitrogen cycle feedbacks stabilize marine nitrogen inventory and limit changes to productivity Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. fixation marine productivity denitrification atmospheric nitrogen deposition Ocean-atmosphere interaction Biogeochemistry Atmospheric chemistry Nitrogen Landolfi, Angela oth Koeve, Wolfgang oth Oschlies, Andreas oth Enthalten in Geophysical research letters Washington, DC : Union, 1974 43(2016), 9, Seite 4500-4509 (DE-627)129095109 (DE-600)7403-2 (DE-576)01443122X 0094-8276 nnns volume:43 year:2016 number:9 pages:4500-4509 http://dx.doi.org/10.1002/2016GL068335 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2016GL068335/abstract http://search.proquest.com/docview/1791285148 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_47 GBV_ILN_62 GBV_ILN_154 GBV_ILN_601 GBV_ILN_2279 38.70 AVZ AR 43 2016 9 4500-4509 |
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10.1002/2016GL068335 doi PQ20160610 (DE-627)OLC1974739449 (DE-599)GBVOLC1974739449 (PRQ)p718-70701984bdd55658ba6992fb5db24ce2ce15009b6763c581e0a5495d00d7c72d0 (KEY)0026932820160000043000904500limitedimpactofatmosphericnitrogendepositiononmari DE-627 ger DE-627 rakwb eng 550 DNB 38.70 bkl Somes, Christopher J verfasserin aut Limited impact of atmospheric nitrogen deposition on marine productivity due to biogeochemical feedbacks in a global ocean model 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The impact of increasing anthropogenic atmospheric nitrogen deposition on marine biogeochemistry is uncertain. We performed simulations to quantify its effect on nitrogen cycling and marine productivity in a global 3‐D ocean biogeochemistry model. Nitrogen fixation provides an efficient feedback by decreasing immediately to deposition, whereas water column denitrification increases more gradually in the slowly expanding oxygen deficient zones. Counterintuitively, nitrogen deposition near oxygen deficient zones causes a net loss of marine nitrogen due to the stoichiometry of denitrification. In our idealized atmospheric deposition simulations that only account for nitrogen cycle perturbations, these combined stabilizing feedbacks largely compensate deposition and suppress the increase in global marine productivity to <2%, in contrast to a simulation that neglects nitrogen cycle feedbacks that predicts an increase of >15%. Our study emphasizes including the dynamic response of nitrogen fixation and denitrification to atmospheric nitrogen deposition to predict future changes of the marine nitrogen cycle and productivity. N 2 fixation decreases in response to atmospheric nitrogen deposition Denitrification increases in response to atmospheric nitrogen deposition Nitrogen cycle feedbacks stabilize marine nitrogen inventory and limit changes to productivity Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. fixation marine productivity denitrification atmospheric nitrogen deposition Ocean-atmosphere interaction Biogeochemistry Atmospheric chemistry Nitrogen Landolfi, Angela oth Koeve, Wolfgang oth Oschlies, Andreas oth Enthalten in Geophysical research letters Washington, DC : Union, 1974 43(2016), 9, Seite 4500-4509 (DE-627)129095109 (DE-600)7403-2 (DE-576)01443122X 0094-8276 nnns volume:43 year:2016 number:9 pages:4500-4509 http://dx.doi.org/10.1002/2016GL068335 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2016GL068335/abstract http://search.proquest.com/docview/1791285148 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_47 GBV_ILN_62 GBV_ILN_154 GBV_ILN_601 GBV_ILN_2279 38.70 AVZ AR 43 2016 9 4500-4509 |
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limited impact of atmospheric nitrogen deposition on marine productivity due to biogeochemical feedbacks in a global ocean model |
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Limited impact of atmospheric nitrogen deposition on marine productivity due to biogeochemical feedbacks in a global ocean model |
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The impact of increasing anthropogenic atmospheric nitrogen deposition on marine biogeochemistry is uncertain. We performed simulations to quantify its effect on nitrogen cycling and marine productivity in a global 3‐D ocean biogeochemistry model. Nitrogen fixation provides an efficient feedback by decreasing immediately to deposition, whereas water column denitrification increases more gradually in the slowly expanding oxygen deficient zones. Counterintuitively, nitrogen deposition near oxygen deficient zones causes a net loss of marine nitrogen due to the stoichiometry of denitrification. In our idealized atmospheric deposition simulations that only account for nitrogen cycle perturbations, these combined stabilizing feedbacks largely compensate deposition and suppress the increase in global marine productivity to <2%, in contrast to a simulation that neglects nitrogen cycle feedbacks that predicts an increase of >15%. Our study emphasizes including the dynamic response of nitrogen fixation and denitrification to atmospheric nitrogen deposition to predict future changes of the marine nitrogen cycle and productivity. N 2 fixation decreases in response to atmospheric nitrogen deposition Denitrification increases in response to atmospheric nitrogen deposition Nitrogen cycle feedbacks stabilize marine nitrogen inventory and limit changes to productivity |
| abstractGer |
The impact of increasing anthropogenic atmospheric nitrogen deposition on marine biogeochemistry is uncertain. We performed simulations to quantify its effect on nitrogen cycling and marine productivity in a global 3‐D ocean biogeochemistry model. Nitrogen fixation provides an efficient feedback by decreasing immediately to deposition, whereas water column denitrification increases more gradually in the slowly expanding oxygen deficient zones. Counterintuitively, nitrogen deposition near oxygen deficient zones causes a net loss of marine nitrogen due to the stoichiometry of denitrification. In our idealized atmospheric deposition simulations that only account for nitrogen cycle perturbations, these combined stabilizing feedbacks largely compensate deposition and suppress the increase in global marine productivity to <2%, in contrast to a simulation that neglects nitrogen cycle feedbacks that predicts an increase of >15%. Our study emphasizes including the dynamic response of nitrogen fixation and denitrification to atmospheric nitrogen deposition to predict future changes of the marine nitrogen cycle and productivity. N 2 fixation decreases in response to atmospheric nitrogen deposition Denitrification increases in response to atmospheric nitrogen deposition Nitrogen cycle feedbacks stabilize marine nitrogen inventory and limit changes to productivity |
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The impact of increasing anthropogenic atmospheric nitrogen deposition on marine biogeochemistry is uncertain. We performed simulations to quantify its effect on nitrogen cycling and marine productivity in a global 3‐D ocean biogeochemistry model. Nitrogen fixation provides an efficient feedback by decreasing immediately to deposition, whereas water column denitrification increases more gradually in the slowly expanding oxygen deficient zones. Counterintuitively, nitrogen deposition near oxygen deficient zones causes a net loss of marine nitrogen due to the stoichiometry of denitrification. In our idealized atmospheric deposition simulations that only account for nitrogen cycle perturbations, these combined stabilizing feedbacks largely compensate deposition and suppress the increase in global marine productivity to <2%, in contrast to a simulation that neglects nitrogen cycle feedbacks that predicts an increase of >15%. Our study emphasizes including the dynamic response of nitrogen fixation and denitrification to atmospheric nitrogen deposition to predict future changes of the marine nitrogen cycle and productivity. N 2 fixation decreases in response to atmospheric nitrogen deposition Denitrification increases in response to atmospheric nitrogen deposition Nitrogen cycle feedbacks stabilize marine nitrogen inventory and limit changes to productivity |
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Limited impact of atmospheric nitrogen deposition on marine productivity due to biogeochemical feedbacks in a global ocean model |
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