Concentration and Diffusion of Nutrients in the Interpore–Bottom Water System of the Ob River Estuary
Abstract On cruise 76 in 2019, the R/V Akademik Mstislav Keldysh completed the Gulf of Ob–Kara Sea slope transect. Samples of bottom water and two sediment layers 1 cm thick were obtained with a multicorer. The silicon, mineral and total phosphorus, and organic nitrogen concentrations were measured...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Borisenko, G. V. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021 |
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| Anmerkung: |
© Pleiades Publishing, Inc. 2021. ISSN 0001-4370, Oceanology, 2021, Vol. 61, No. 1, pp. 25–33. © Pleiades Publishing, Inc., 2021. Russian Text © The Author(s), 2021, published in Okeanologiya, 2021, Vol. 61, No. 1, pp. 32–40. |
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Enthalten in: Oceanology - Pleiades Publishing, 1966, 61(2021), 1 vom: Jan., Seite 25-33 |
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volume:61 ; year:2021 ; number:1 ; month:01 ; pages:25-33 |
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| DOI / URN: |
10.1134/S0001437020060028 |
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OLC2124871412 |
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| 520 | |a Abstract On cruise 76 in 2019, the R/V Akademik Mstislav Keldysh completed the Gulf of Ob–Kara Sea slope transect. Samples of bottom water and two sediment layers 1 cm thick were obtained with a multicorer. The silicon, mineral and total phosphorus, and organic nitrogen concentrations were measured in them. The magnitude of fluxes of these nutrients at the water–bottom boundary along the transect was calculated; they are all positive, i.e., directed from sediment to water. Comparison of silicon and phosphates fluxes obtained in the transect in 2019 with fluxes measured on a similar transect in 2007 showed good agreement. Silicon fluxes along the transect vary little (less than two times), including the frontal river–sea mixing zone. Mineral phosphorus fluxes have two maxima: in pure river waters and on the slope of the Kara Sea. In the area of the lens of freshened waters, phosphorus fluxes can have an alternating character, depending on season, the state of production, and destructive processes. A method is proposed for comparing fluxes of different nutrients in order to establish the nature of their variability along the transect and to identify measurement errors. | ||
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10.1134/S0001437020060028 doi (DE-627)OLC2124871412 (DE-He213)S0001437020060028-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn Borisenko, G. V. verfasserin aut Concentration and Diffusion of Nutrients in the Interpore–Bottom Water System of the Ob River Estuary 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Inc. 2021. ISSN 0001-4370, Oceanology, 2021, Vol. 61, No. 1, pp. 25–33. © Pleiades Publishing, Inc., 2021. Russian Text © The Author(s), 2021, published in Okeanologiya, 2021, Vol. 61, No. 1, pp. 32–40. Abstract On cruise 76 in 2019, the R/V Akademik Mstislav Keldysh completed the Gulf of Ob–Kara Sea slope transect. Samples of bottom water and two sediment layers 1 cm thick were obtained with a multicorer. The silicon, mineral and total phosphorus, and organic nitrogen concentrations were measured in them. The magnitude of fluxes of these nutrients at the water–bottom boundary along the transect was calculated; they are all positive, i.e., directed from sediment to water. Comparison of silicon and phosphates fluxes obtained in the transect in 2019 with fluxes measured on a similar transect in 2007 showed good agreement. Silicon fluxes along the transect vary little (less than two times), including the frontal river–sea mixing zone. Mineral phosphorus fluxes have two maxima: in pure river waters and on the slope of the Kara Sea. In the area of the lens of freshened waters, phosphorus fluxes can have an alternating character, depending on season, the state of production, and destructive processes. A method is proposed for comparing fluxes of different nutrients in order to establish the nature of their variability along the transect and to identify measurement errors. Makkaveev, E. P. aut Stunzhas, P. A. aut Enthalten in Oceanology Pleiades Publishing, 1966 61(2021), 1 vom: Jan., Seite 25-33 (DE-627)130005363 (DE-600)417045-3 (DE-576)9130005361 0001-4370 nnns volume:61 year:2021 number:1 month:01 pages:25-33 https://doi.org/10.1134/S0001437020060028 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_201 AR 61 2021 1 01 25-33 |
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10.1134/S0001437020060028 doi (DE-627)OLC2124871412 (DE-He213)S0001437020060028-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn Borisenko, G. V. verfasserin aut Concentration and Diffusion of Nutrients in the Interpore–Bottom Water System of the Ob River Estuary 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Inc. 2021. ISSN 0001-4370, Oceanology, 2021, Vol. 61, No. 1, pp. 25–33. © Pleiades Publishing, Inc., 2021. Russian Text © The Author(s), 2021, published in Okeanologiya, 2021, Vol. 61, No. 1, pp. 32–40. Abstract On cruise 76 in 2019, the R/V Akademik Mstislav Keldysh completed the Gulf of Ob–Kara Sea slope transect. Samples of bottom water and two sediment layers 1 cm thick were obtained with a multicorer. The silicon, mineral and total phosphorus, and organic nitrogen concentrations were measured in them. The magnitude of fluxes of these nutrients at the water–bottom boundary along the transect was calculated; they are all positive, i.e., directed from sediment to water. Comparison of silicon and phosphates fluxes obtained in the transect in 2019 with fluxes measured on a similar transect in 2007 showed good agreement. Silicon fluxes along the transect vary little (less than two times), including the frontal river–sea mixing zone. Mineral phosphorus fluxes have two maxima: in pure river waters and on the slope of the Kara Sea. In the area of the lens of freshened waters, phosphorus fluxes can have an alternating character, depending on season, the state of production, and destructive processes. A method is proposed for comparing fluxes of different nutrients in order to establish the nature of their variability along the transect and to identify measurement errors. Makkaveev, E. P. aut Stunzhas, P. A. aut Enthalten in Oceanology Pleiades Publishing, 1966 61(2021), 1 vom: Jan., Seite 25-33 (DE-627)130005363 (DE-600)417045-3 (DE-576)9130005361 0001-4370 nnns volume:61 year:2021 number:1 month:01 pages:25-33 https://doi.org/10.1134/S0001437020060028 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_201 AR 61 2021 1 01 25-33 |
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10.1134/S0001437020060028 doi (DE-627)OLC2124871412 (DE-He213)S0001437020060028-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn Borisenko, G. V. verfasserin aut Concentration and Diffusion of Nutrients in the Interpore–Bottom Water System of the Ob River Estuary 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Inc. 2021. ISSN 0001-4370, Oceanology, 2021, Vol. 61, No. 1, pp. 25–33. © Pleiades Publishing, Inc., 2021. Russian Text © The Author(s), 2021, published in Okeanologiya, 2021, Vol. 61, No. 1, pp. 32–40. Abstract On cruise 76 in 2019, the R/V Akademik Mstislav Keldysh completed the Gulf of Ob–Kara Sea slope transect. Samples of bottom water and two sediment layers 1 cm thick were obtained with a multicorer. The silicon, mineral and total phosphorus, and organic nitrogen concentrations were measured in them. The magnitude of fluxes of these nutrients at the water–bottom boundary along the transect was calculated; they are all positive, i.e., directed from sediment to water. Comparison of silicon and phosphates fluxes obtained in the transect in 2019 with fluxes measured on a similar transect in 2007 showed good agreement. Silicon fluxes along the transect vary little (less than two times), including the frontal river–sea mixing zone. Mineral phosphorus fluxes have two maxima: in pure river waters and on the slope of the Kara Sea. In the area of the lens of freshened waters, phosphorus fluxes can have an alternating character, depending on season, the state of production, and destructive processes. A method is proposed for comparing fluxes of different nutrients in order to establish the nature of their variability along the transect and to identify measurement errors. Makkaveev, E. P. aut Stunzhas, P. A. aut Enthalten in Oceanology Pleiades Publishing, 1966 61(2021), 1 vom: Jan., Seite 25-33 (DE-627)130005363 (DE-600)417045-3 (DE-576)9130005361 0001-4370 nnns volume:61 year:2021 number:1 month:01 pages:25-33 https://doi.org/10.1134/S0001437020060028 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_201 AR 61 2021 1 01 25-33 |
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10.1134/S0001437020060028 doi (DE-627)OLC2124871412 (DE-He213)S0001437020060028-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn Borisenko, G. V. verfasserin aut Concentration and Diffusion of Nutrients in the Interpore–Bottom Water System of the Ob River Estuary 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Inc. 2021. ISSN 0001-4370, Oceanology, 2021, Vol. 61, No. 1, pp. 25–33. © Pleiades Publishing, Inc., 2021. Russian Text © The Author(s), 2021, published in Okeanologiya, 2021, Vol. 61, No. 1, pp. 32–40. Abstract On cruise 76 in 2019, the R/V Akademik Mstislav Keldysh completed the Gulf of Ob–Kara Sea slope transect. Samples of bottom water and two sediment layers 1 cm thick were obtained with a multicorer. The silicon, mineral and total phosphorus, and organic nitrogen concentrations were measured in them. The magnitude of fluxes of these nutrients at the water–bottom boundary along the transect was calculated; they are all positive, i.e., directed from sediment to water. Comparison of silicon and phosphates fluxes obtained in the transect in 2019 with fluxes measured on a similar transect in 2007 showed good agreement. Silicon fluxes along the transect vary little (less than two times), including the frontal river–sea mixing zone. Mineral phosphorus fluxes have two maxima: in pure river waters and on the slope of the Kara Sea. In the area of the lens of freshened waters, phosphorus fluxes can have an alternating character, depending on season, the state of production, and destructive processes. A method is proposed for comparing fluxes of different nutrients in order to establish the nature of their variability along the transect and to identify measurement errors. Makkaveev, E. P. aut Stunzhas, P. A. aut Enthalten in Oceanology Pleiades Publishing, 1966 61(2021), 1 vom: Jan., Seite 25-33 (DE-627)130005363 (DE-600)417045-3 (DE-576)9130005361 0001-4370 nnns volume:61 year:2021 number:1 month:01 pages:25-33 https://doi.org/10.1134/S0001437020060028 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_201 AR 61 2021 1 01 25-33 |
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10.1134/S0001437020060028 doi (DE-627)OLC2124871412 (DE-He213)S0001437020060028-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn Borisenko, G. V. verfasserin aut Concentration and Diffusion of Nutrients in the Interpore–Bottom Water System of the Ob River Estuary 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Inc. 2021. ISSN 0001-4370, Oceanology, 2021, Vol. 61, No. 1, pp. 25–33. © Pleiades Publishing, Inc., 2021. Russian Text © The Author(s), 2021, published in Okeanologiya, 2021, Vol. 61, No. 1, pp. 32–40. Abstract On cruise 76 in 2019, the R/V Akademik Mstislav Keldysh completed the Gulf of Ob–Kara Sea slope transect. Samples of bottom water and two sediment layers 1 cm thick were obtained with a multicorer. The silicon, mineral and total phosphorus, and organic nitrogen concentrations were measured in them. The magnitude of fluxes of these nutrients at the water–bottom boundary along the transect was calculated; they are all positive, i.e., directed from sediment to water. Comparison of silicon and phosphates fluxes obtained in the transect in 2019 with fluxes measured on a similar transect in 2007 showed good agreement. Silicon fluxes along the transect vary little (less than two times), including the frontal river–sea mixing zone. Mineral phosphorus fluxes have two maxima: in pure river waters and on the slope of the Kara Sea. In the area of the lens of freshened waters, phosphorus fluxes can have an alternating character, depending on season, the state of production, and destructive processes. A method is proposed for comparing fluxes of different nutrients in order to establish the nature of their variability along the transect and to identify measurement errors. Makkaveev, E. P. aut Stunzhas, P. A. aut Enthalten in Oceanology Pleiades Publishing, 1966 61(2021), 1 vom: Jan., Seite 25-33 (DE-627)130005363 (DE-600)417045-3 (DE-576)9130005361 0001-4370 nnns volume:61 year:2021 number:1 month:01 pages:25-33 https://doi.org/10.1134/S0001437020060028 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_201 AR 61 2021 1 01 25-33 |
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Concentration and Diffusion of Nutrients in the Interpore–Bottom Water System of the Ob River Estuary |
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Abstract On cruise 76 in 2019, the R/V Akademik Mstislav Keldysh completed the Gulf of Ob–Kara Sea slope transect. Samples of bottom water and two sediment layers 1 cm thick were obtained with a multicorer. The silicon, mineral and total phosphorus, and organic nitrogen concentrations were measured in them. The magnitude of fluxes of these nutrients at the water–bottom boundary along the transect was calculated; they are all positive, i.e., directed from sediment to water. Comparison of silicon and phosphates fluxes obtained in the transect in 2019 with fluxes measured on a similar transect in 2007 showed good agreement. Silicon fluxes along the transect vary little (less than two times), including the frontal river–sea mixing zone. Mineral phosphorus fluxes have two maxima: in pure river waters and on the slope of the Kara Sea. In the area of the lens of freshened waters, phosphorus fluxes can have an alternating character, depending on season, the state of production, and destructive processes. A method is proposed for comparing fluxes of different nutrients in order to establish the nature of their variability along the transect and to identify measurement errors. © Pleiades Publishing, Inc. 2021. ISSN 0001-4370, Oceanology, 2021, Vol. 61, No. 1, pp. 25–33. © Pleiades Publishing, Inc., 2021. Russian Text © The Author(s), 2021, published in Okeanologiya, 2021, Vol. 61, No. 1, pp. 32–40. |
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Abstract On cruise 76 in 2019, the R/V Akademik Mstislav Keldysh completed the Gulf of Ob–Kara Sea slope transect. Samples of bottom water and two sediment layers 1 cm thick were obtained with a multicorer. The silicon, mineral and total phosphorus, and organic nitrogen concentrations were measured in them. The magnitude of fluxes of these nutrients at the water–bottom boundary along the transect was calculated; they are all positive, i.e., directed from sediment to water. Comparison of silicon and phosphates fluxes obtained in the transect in 2019 with fluxes measured on a similar transect in 2007 showed good agreement. Silicon fluxes along the transect vary little (less than two times), including the frontal river–sea mixing zone. Mineral phosphorus fluxes have two maxima: in pure river waters and on the slope of the Kara Sea. In the area of the lens of freshened waters, phosphorus fluxes can have an alternating character, depending on season, the state of production, and destructive processes. A method is proposed for comparing fluxes of different nutrients in order to establish the nature of their variability along the transect and to identify measurement errors. © Pleiades Publishing, Inc. 2021. ISSN 0001-4370, Oceanology, 2021, Vol. 61, No. 1, pp. 25–33. © Pleiades Publishing, Inc., 2021. Russian Text © The Author(s), 2021, published in Okeanologiya, 2021, Vol. 61, No. 1, pp. 32–40. |
| abstract_unstemmed |
Abstract On cruise 76 in 2019, the R/V Akademik Mstislav Keldysh completed the Gulf of Ob–Kara Sea slope transect. Samples of bottom water and two sediment layers 1 cm thick were obtained with a multicorer. The silicon, mineral and total phosphorus, and organic nitrogen concentrations were measured in them. The magnitude of fluxes of these nutrients at the water–bottom boundary along the transect was calculated; they are all positive, i.e., directed from sediment to water. Comparison of silicon and phosphates fluxes obtained in the transect in 2019 with fluxes measured on a similar transect in 2007 showed good agreement. Silicon fluxes along the transect vary little (less than two times), including the frontal river–sea mixing zone. Mineral phosphorus fluxes have two maxima: in pure river waters and on the slope of the Kara Sea. In the area of the lens of freshened waters, phosphorus fluxes can have an alternating character, depending on season, the state of production, and destructive processes. A method is proposed for comparing fluxes of different nutrients in order to establish the nature of their variability along the transect and to identify measurement errors. © Pleiades Publishing, Inc. 2021. ISSN 0001-4370, Oceanology, 2021, Vol. 61, No. 1, pp. 25–33. © Pleiades Publishing, Inc., 2021. Russian Text © The Author(s), 2021, published in Okeanologiya, 2021, Vol. 61, No. 1, pp. 32–40. |
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Concentration and Diffusion of Nutrients in the Interpore–Bottom Water System of the Ob River Estuary |
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