Recent climate changes of thermohaline structure in the North-West Pacific
Variability of temperature and salinity in the 0-1000-m layer of the North-West Pacific is analyzed on the data of shipboard oceanographic observations obtained in 1950-2014. Significant decadal changes of these parameters are revealed at the depth of 300-600 m that exceeds the depth of seasonal flu...
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| Autor*in: |
Vladimir I. Byshev [verfasserIn] Alexander L. Figurkin [verfasserIn] Ivan M. Anisimov [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Russisch |
| Erschienen: |
2016 |
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| Schlagwörter: |
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In: Известия ТИНРО - Transactions of the Pacific Research Institute of Fisheries and Oceanography, 2021, 185(2016), 2, Seite 215-227 |
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| Übergeordnetes Werk: |
volume:185 ; year:2016 ; number:2 ; pages:215-227 |
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Link aufrufen |
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| DOI / URN: |
10.26428/1606-9919-2016-185-215-227 |
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| Katalog-ID: |
DOAJ000186589 |
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| 520 | |a Variability of temperature and salinity in the 0-1000-m layer of the North-West Pacific is analyzed on the data of shipboard oceanographic observations obtained in 1950-2014. Significant decadal changes of these parameters are revealed at the depth of 300-600 m that exceeds the depth of seasonal fluctuations, with the highest rate in the Subarctic frontal zone. The heat content was the highest in the 1960-1974, then decreased in the 1975-1999, increased again in the 2000-2014, and the next phase of thermal «discharge» may begin supposedly in 5-6 years. Mechanisms of such climate changes are discussed. Similar changes are observed in different regions of the World Ocean that means that it is a global-scale phenomenon. These climate changes of water temperature in the subsurface layer of the ocean and air temperature over the continent have opposite directions that denotes the auto-oscillation in the open non-linear system «ocean-atmosphere-continent» as their main mechanism. The previous period of the water thermal discharge was conditioned by active winter center of low atmospheric pressure - Aleutian Low. It was accompanied by strengthening of the East-Kamchatka Current and Oyashio Current and high abundance of japanese sardine. The modern period of warming from the beginning of the 21st century is distinguished by negative values of PDO index, observed since 1998. However, PDO is positive again since January 2014, though stability of this change is not clear yet. On the other hand, winter SST in the spawning grounds of japanese sardine, both in the Japan Sea and North-West Pacific, gradually decreased after the maximum in the 1998-2000 and reached negative anomalies in the areas at Japan in 2011-2015 that was favorable for its reproduction. The sardine biomass was gradually increased, too, in particularly in the 2010-2012, and its migration to the Russian EEZ became more active, up to 0.7 million tons in the South-Kuril area in 2015. | ||
| 650 | 4 | |a северо-западная часть тихого океана | |
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10.26428/1606-9919-2016-185-215-227 doi (DE-627)DOAJ000186589 (DE-599)DOAJ3c4b2ad3cd5e47cda46b3c5ca407929c DE-627 ger DE-627 rakwb rus SH1-691 Vladimir I. Byshev verfasserin aut Recent climate changes of thermohaline structure in the North-West Pacific 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Variability of temperature and salinity in the 0-1000-m layer of the North-West Pacific is analyzed on the data of shipboard oceanographic observations obtained in 1950-2014. Significant decadal changes of these parameters are revealed at the depth of 300-600 m that exceeds the depth of seasonal fluctuations, with the highest rate in the Subarctic frontal zone. The heat content was the highest in the 1960-1974, then decreased in the 1975-1999, increased again in the 2000-2014, and the next phase of thermal «discharge» may begin supposedly in 5-6 years. Mechanisms of such climate changes are discussed. Similar changes are observed in different regions of the World Ocean that means that it is a global-scale phenomenon. These climate changes of water temperature in the subsurface layer of the ocean and air temperature over the continent have opposite directions that denotes the auto-oscillation in the open non-linear system «ocean-atmosphere-continent» as their main mechanism. The previous period of the water thermal discharge was conditioned by active winter center of low atmospheric pressure - Aleutian Low. It was accompanied by strengthening of the East-Kamchatka Current and Oyashio Current and high abundance of japanese sardine. The modern period of warming from the beginning of the 21st century is distinguished by negative values of PDO index, observed since 1998. However, PDO is positive again since January 2014, though stability of this change is not clear yet. On the other hand, winter SST in the spawning grounds of japanese sardine, both in the Japan Sea and North-West Pacific, gradually decreased after the maximum in the 1998-2000 and reached negative anomalies in the areas at Japan in 2011-2015 that was favorable for its reproduction. The sardine biomass was gradually increased, too, in particularly in the 2010-2012, and its migration to the Russian EEZ became more active, up to 0.7 million tons in the South-Kuril area in 2015. северо-западная часть тихого океана термохалинная структура климатические изменения субарктический фронт алеутский минимум аномалии Aquaculture. Fisheries. Angling Alexander L. Figurkin verfasserin aut Ivan M. Anisimov verfasserin aut In Известия ТИНРО Transactions of the Pacific Research Institute of Fisheries and Oceanography, 2021 185(2016), 2, Seite 215-227 (DE-627)DOAJ078628091 26585510 nnns volume:185 year:2016 number:2 pages:215-227 https://doi.org/10.26428/1606-9919-2016-185-215-227 kostenfrei https://doaj.org/article/3c4b2ad3cd5e47cda46b3c5ca407929c kostenfrei https://izvestiya.tinro-center.ru/jour/article/view/114 kostenfrei https://doaj.org/toc/1606-9919 Journal toc kostenfrei https://doaj.org/toc/2658-5510 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA AR 185 2016 2 215-227 |
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10.26428/1606-9919-2016-185-215-227 doi (DE-627)DOAJ000186589 (DE-599)DOAJ3c4b2ad3cd5e47cda46b3c5ca407929c DE-627 ger DE-627 rakwb rus SH1-691 Vladimir I. Byshev verfasserin aut Recent climate changes of thermohaline structure in the North-West Pacific 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Variability of temperature and salinity in the 0-1000-m layer of the North-West Pacific is analyzed on the data of shipboard oceanographic observations obtained in 1950-2014. Significant decadal changes of these parameters are revealed at the depth of 300-600 m that exceeds the depth of seasonal fluctuations, with the highest rate in the Subarctic frontal zone. The heat content was the highest in the 1960-1974, then decreased in the 1975-1999, increased again in the 2000-2014, and the next phase of thermal «discharge» may begin supposedly in 5-6 years. Mechanisms of such climate changes are discussed. Similar changes are observed in different regions of the World Ocean that means that it is a global-scale phenomenon. These climate changes of water temperature in the subsurface layer of the ocean and air temperature over the continent have opposite directions that denotes the auto-oscillation in the open non-linear system «ocean-atmosphere-continent» as their main mechanism. The previous period of the water thermal discharge was conditioned by active winter center of low atmospheric pressure - Aleutian Low. It was accompanied by strengthening of the East-Kamchatka Current and Oyashio Current and high abundance of japanese sardine. The modern period of warming from the beginning of the 21st century is distinguished by negative values of PDO index, observed since 1998. However, PDO is positive again since January 2014, though stability of this change is not clear yet. On the other hand, winter SST in the spawning grounds of japanese sardine, both in the Japan Sea and North-West Pacific, gradually decreased after the maximum in the 1998-2000 and reached negative anomalies in the areas at Japan in 2011-2015 that was favorable for its reproduction. The sardine biomass was gradually increased, too, in particularly in the 2010-2012, and its migration to the Russian EEZ became more active, up to 0.7 million tons in the South-Kuril area in 2015. северо-западная часть тихого океана термохалинная структура климатические изменения субарктический фронт алеутский минимум аномалии Aquaculture. Fisheries. Angling Alexander L. Figurkin verfasserin aut Ivan M. Anisimov verfasserin aut In Известия ТИНРО Transactions of the Pacific Research Institute of Fisheries and Oceanography, 2021 185(2016), 2, Seite 215-227 (DE-627)DOAJ078628091 26585510 nnns volume:185 year:2016 number:2 pages:215-227 https://doi.org/10.26428/1606-9919-2016-185-215-227 kostenfrei https://doaj.org/article/3c4b2ad3cd5e47cda46b3c5ca407929c kostenfrei https://izvestiya.tinro-center.ru/jour/article/view/114 kostenfrei https://doaj.org/toc/1606-9919 Journal toc kostenfrei https://doaj.org/toc/2658-5510 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA AR 185 2016 2 215-227 |
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10.26428/1606-9919-2016-185-215-227 doi (DE-627)DOAJ000186589 (DE-599)DOAJ3c4b2ad3cd5e47cda46b3c5ca407929c DE-627 ger DE-627 rakwb rus SH1-691 Vladimir I. Byshev verfasserin aut Recent climate changes of thermohaline structure in the North-West Pacific 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Variability of temperature and salinity in the 0-1000-m layer of the North-West Pacific is analyzed on the data of shipboard oceanographic observations obtained in 1950-2014. Significant decadal changes of these parameters are revealed at the depth of 300-600 m that exceeds the depth of seasonal fluctuations, with the highest rate in the Subarctic frontal zone. The heat content was the highest in the 1960-1974, then decreased in the 1975-1999, increased again in the 2000-2014, and the next phase of thermal «discharge» may begin supposedly in 5-6 years. Mechanisms of such climate changes are discussed. Similar changes are observed in different regions of the World Ocean that means that it is a global-scale phenomenon. These climate changes of water temperature in the subsurface layer of the ocean and air temperature over the continent have opposite directions that denotes the auto-oscillation in the open non-linear system «ocean-atmosphere-continent» as their main mechanism. The previous period of the water thermal discharge was conditioned by active winter center of low atmospheric pressure - Aleutian Low. It was accompanied by strengthening of the East-Kamchatka Current and Oyashio Current and high abundance of japanese sardine. The modern period of warming from the beginning of the 21st century is distinguished by negative values of PDO index, observed since 1998. However, PDO is positive again since January 2014, though stability of this change is not clear yet. On the other hand, winter SST in the spawning grounds of japanese sardine, both in the Japan Sea and North-West Pacific, gradually decreased after the maximum in the 1998-2000 and reached negative anomalies in the areas at Japan in 2011-2015 that was favorable for its reproduction. The sardine biomass was gradually increased, too, in particularly in the 2010-2012, and its migration to the Russian EEZ became more active, up to 0.7 million tons in the South-Kuril area in 2015. северо-западная часть тихого океана термохалинная структура климатические изменения субарктический фронт алеутский минимум аномалии Aquaculture. Fisheries. Angling Alexander L. Figurkin verfasserin aut Ivan M. Anisimov verfasserin aut In Известия ТИНРО Transactions of the Pacific Research Institute of Fisheries and Oceanography, 2021 185(2016), 2, Seite 215-227 (DE-627)DOAJ078628091 26585510 nnns volume:185 year:2016 number:2 pages:215-227 https://doi.org/10.26428/1606-9919-2016-185-215-227 kostenfrei https://doaj.org/article/3c4b2ad3cd5e47cda46b3c5ca407929c kostenfrei https://izvestiya.tinro-center.ru/jour/article/view/114 kostenfrei https://doaj.org/toc/1606-9919 Journal toc kostenfrei https://doaj.org/toc/2658-5510 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA AR 185 2016 2 215-227 |
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10.26428/1606-9919-2016-185-215-227 doi (DE-627)DOAJ000186589 (DE-599)DOAJ3c4b2ad3cd5e47cda46b3c5ca407929c DE-627 ger DE-627 rakwb rus SH1-691 Vladimir I. Byshev verfasserin aut Recent climate changes of thermohaline structure in the North-West Pacific 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Variability of temperature and salinity in the 0-1000-m layer of the North-West Pacific is analyzed on the data of shipboard oceanographic observations obtained in 1950-2014. Significant decadal changes of these parameters are revealed at the depth of 300-600 m that exceeds the depth of seasonal fluctuations, with the highest rate in the Subarctic frontal zone. The heat content was the highest in the 1960-1974, then decreased in the 1975-1999, increased again in the 2000-2014, and the next phase of thermal «discharge» may begin supposedly in 5-6 years. Mechanisms of such climate changes are discussed. Similar changes are observed in different regions of the World Ocean that means that it is a global-scale phenomenon. These climate changes of water temperature in the subsurface layer of the ocean and air temperature over the continent have opposite directions that denotes the auto-oscillation in the open non-linear system «ocean-atmosphere-continent» as their main mechanism. The previous period of the water thermal discharge was conditioned by active winter center of low atmospheric pressure - Aleutian Low. It was accompanied by strengthening of the East-Kamchatka Current and Oyashio Current and high abundance of japanese sardine. The modern period of warming from the beginning of the 21st century is distinguished by negative values of PDO index, observed since 1998. However, PDO is positive again since January 2014, though stability of this change is not clear yet. On the other hand, winter SST in the spawning grounds of japanese sardine, both in the Japan Sea and North-West Pacific, gradually decreased after the maximum in the 1998-2000 and reached negative anomalies in the areas at Japan in 2011-2015 that was favorable for its reproduction. The sardine biomass was gradually increased, too, in particularly in the 2010-2012, and its migration to the Russian EEZ became more active, up to 0.7 million tons in the South-Kuril area in 2015. северо-западная часть тихого океана термохалинная структура климатические изменения субарктический фронт алеутский минимум аномалии Aquaculture. Fisheries. Angling Alexander L. Figurkin verfasserin aut Ivan M. Anisimov verfasserin aut In Известия ТИНРО Transactions of the Pacific Research Institute of Fisheries and Oceanography, 2021 185(2016), 2, Seite 215-227 (DE-627)DOAJ078628091 26585510 nnns volume:185 year:2016 number:2 pages:215-227 https://doi.org/10.26428/1606-9919-2016-185-215-227 kostenfrei https://doaj.org/article/3c4b2ad3cd5e47cda46b3c5ca407929c kostenfrei https://izvestiya.tinro-center.ru/jour/article/view/114 kostenfrei https://doaj.org/toc/1606-9919 Journal toc kostenfrei https://doaj.org/toc/2658-5510 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA AR 185 2016 2 215-227 |
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10.26428/1606-9919-2016-185-215-227 doi (DE-627)DOAJ000186589 (DE-599)DOAJ3c4b2ad3cd5e47cda46b3c5ca407929c DE-627 ger DE-627 rakwb rus SH1-691 Vladimir I. Byshev verfasserin aut Recent climate changes of thermohaline structure in the North-West Pacific 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Variability of temperature and salinity in the 0-1000-m layer of the North-West Pacific is analyzed on the data of shipboard oceanographic observations obtained in 1950-2014. Significant decadal changes of these parameters are revealed at the depth of 300-600 m that exceeds the depth of seasonal fluctuations, with the highest rate in the Subarctic frontal zone. The heat content was the highest in the 1960-1974, then decreased in the 1975-1999, increased again in the 2000-2014, and the next phase of thermal «discharge» may begin supposedly in 5-6 years. Mechanisms of such climate changes are discussed. Similar changes are observed in different regions of the World Ocean that means that it is a global-scale phenomenon. These climate changes of water temperature in the subsurface layer of the ocean and air temperature over the continent have opposite directions that denotes the auto-oscillation in the open non-linear system «ocean-atmosphere-continent» as their main mechanism. The previous period of the water thermal discharge was conditioned by active winter center of low atmospheric pressure - Aleutian Low. It was accompanied by strengthening of the East-Kamchatka Current and Oyashio Current and high abundance of japanese sardine. The modern period of warming from the beginning of the 21st century is distinguished by negative values of PDO index, observed since 1998. However, PDO is positive again since January 2014, though stability of this change is not clear yet. On the other hand, winter SST in the spawning grounds of japanese sardine, both in the Japan Sea and North-West Pacific, gradually decreased after the maximum in the 1998-2000 and reached negative anomalies in the areas at Japan in 2011-2015 that was favorable for its reproduction. The sardine biomass was gradually increased, too, in particularly in the 2010-2012, and its migration to the Russian EEZ became more active, up to 0.7 million tons in the South-Kuril area in 2015. северо-западная часть тихого океана термохалинная структура климатические изменения субарктический фронт алеутский минимум аномалии Aquaculture. Fisheries. Angling Alexander L. Figurkin verfasserin aut Ivan M. Anisimov verfasserin aut In Известия ТИНРО Transactions of the Pacific Research Institute of Fisheries and Oceanography, 2021 185(2016), 2, Seite 215-227 (DE-627)DOAJ078628091 26585510 nnns volume:185 year:2016 number:2 pages:215-227 https://doi.org/10.26428/1606-9919-2016-185-215-227 kostenfrei https://doaj.org/article/3c4b2ad3cd5e47cda46b3c5ca407929c kostenfrei https://izvestiya.tinro-center.ru/jour/article/view/114 kostenfrei https://doaj.org/toc/1606-9919 Journal toc kostenfrei https://doaj.org/toc/2658-5510 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA AR 185 2016 2 215-227 |
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Significant decadal changes of these parameters are revealed at the depth of 300-600 m that exceeds the depth of seasonal fluctuations, with the highest rate in the Subarctic frontal zone. The heat content was the highest in the 1960-1974, then decreased in the 1975-1999, increased again in the 2000-2014, and the next phase of thermal «discharge» may begin supposedly in 5-6 years. Mechanisms of such climate changes are discussed. Similar changes are observed in different regions of the World Ocean that means that it is a global-scale phenomenon. These climate changes of water temperature in the subsurface layer of the ocean and air temperature over the continent have opposite directions that denotes the auto-oscillation in the open non-linear system «ocean-atmosphere-continent» as their main mechanism. The previous period of the water thermal discharge was conditioned by active winter center of low atmospheric pressure - Aleutian Low. 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SH1-691 Recent climate changes of thermohaline structure in the North-West Pacific северо-западная часть тихого океана термохалинная структура климатические изменения субарктический фронт алеутский минимум аномалии |
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Recent climate changes of thermohaline structure in the North-West Pacific |
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Variability of temperature and salinity in the 0-1000-m layer of the North-West Pacific is analyzed on the data of shipboard oceanographic observations obtained in 1950-2014. Significant decadal changes of these parameters are revealed at the depth of 300-600 m that exceeds the depth of seasonal fluctuations, with the highest rate in the Subarctic frontal zone. The heat content was the highest in the 1960-1974, then decreased in the 1975-1999, increased again in the 2000-2014, and the next phase of thermal «discharge» may begin supposedly in 5-6 years. Mechanisms of such climate changes are discussed. Similar changes are observed in different regions of the World Ocean that means that it is a global-scale phenomenon. These climate changes of water temperature in the subsurface layer of the ocean and air temperature over the continent have opposite directions that denotes the auto-oscillation in the open non-linear system «ocean-atmosphere-continent» as their main mechanism. The previous period of the water thermal discharge was conditioned by active winter center of low atmospheric pressure - Aleutian Low. It was accompanied by strengthening of the East-Kamchatka Current and Oyashio Current and high abundance of japanese sardine. The modern period of warming from the beginning of the 21st century is distinguished by negative values of PDO index, observed since 1998. However, PDO is positive again since January 2014, though stability of this change is not clear yet. On the other hand, winter SST in the spawning grounds of japanese sardine, both in the Japan Sea and North-West Pacific, gradually decreased after the maximum in the 1998-2000 and reached negative anomalies in the areas at Japan in 2011-2015 that was favorable for its reproduction. The sardine biomass was gradually increased, too, in particularly in the 2010-2012, and its migration to the Russian EEZ became more active, up to 0.7 million tons in the South-Kuril area in 2015. |
| abstractGer |
Variability of temperature and salinity in the 0-1000-m layer of the North-West Pacific is analyzed on the data of shipboard oceanographic observations obtained in 1950-2014. Significant decadal changes of these parameters are revealed at the depth of 300-600 m that exceeds the depth of seasonal fluctuations, with the highest rate in the Subarctic frontal zone. The heat content was the highest in the 1960-1974, then decreased in the 1975-1999, increased again in the 2000-2014, and the next phase of thermal «discharge» may begin supposedly in 5-6 years. Mechanisms of such climate changes are discussed. Similar changes are observed in different regions of the World Ocean that means that it is a global-scale phenomenon. These climate changes of water temperature in the subsurface layer of the ocean and air temperature over the continent have opposite directions that denotes the auto-oscillation in the open non-linear system «ocean-atmosphere-continent» as their main mechanism. The previous period of the water thermal discharge was conditioned by active winter center of low atmospheric pressure - Aleutian Low. It was accompanied by strengthening of the East-Kamchatka Current and Oyashio Current and high abundance of japanese sardine. The modern period of warming from the beginning of the 21st century is distinguished by negative values of PDO index, observed since 1998. However, PDO is positive again since January 2014, though stability of this change is not clear yet. On the other hand, winter SST in the spawning grounds of japanese sardine, both in the Japan Sea and North-West Pacific, gradually decreased after the maximum in the 1998-2000 and reached negative anomalies in the areas at Japan in 2011-2015 that was favorable for its reproduction. The sardine biomass was gradually increased, too, in particularly in the 2010-2012, and its migration to the Russian EEZ became more active, up to 0.7 million tons in the South-Kuril area in 2015. |
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Variability of temperature and salinity in the 0-1000-m layer of the North-West Pacific is analyzed on the data of shipboard oceanographic observations obtained in 1950-2014. Significant decadal changes of these parameters are revealed at the depth of 300-600 m that exceeds the depth of seasonal fluctuations, with the highest rate in the Subarctic frontal zone. The heat content was the highest in the 1960-1974, then decreased in the 1975-1999, increased again in the 2000-2014, and the next phase of thermal «discharge» may begin supposedly in 5-6 years. Mechanisms of such climate changes are discussed. Similar changes are observed in different regions of the World Ocean that means that it is a global-scale phenomenon. These climate changes of water temperature in the subsurface layer of the ocean and air temperature over the continent have opposite directions that denotes the auto-oscillation in the open non-linear system «ocean-atmosphere-continent» as their main mechanism. The previous period of the water thermal discharge was conditioned by active winter center of low atmospheric pressure - Aleutian Low. It was accompanied by strengthening of the East-Kamchatka Current and Oyashio Current and high abundance of japanese sardine. The modern period of warming from the beginning of the 21st century is distinguished by negative values of PDO index, observed since 1998. However, PDO is positive again since January 2014, though stability of this change is not clear yet. On the other hand, winter SST in the spawning grounds of japanese sardine, both in the Japan Sea and North-West Pacific, gradually decreased after the maximum in the 1998-2000 and reached negative anomalies in the areas at Japan in 2011-2015 that was favorable for its reproduction. The sardine biomass was gradually increased, too, in particularly in the 2010-2012, and its migration to the Russian EEZ became more active, up to 0.7 million tons in the South-Kuril area in 2015. |
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