Remotely Forced Decadal Physical and Biogeochemical Variability of North Pacific Subtropical Mode Water Over the Last 40 Years
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- Eitarou Oka
- Atmosphere and Ocean Research Institute The University of Tokyo Kashiwa Japan
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- Kodai Yamada
- Atmosphere and Ocean Research Institute The University of Tokyo Kashiwa Japan
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- Daisuke Sasano
- Global Environment and Marine Department Japan Meteorological Agency Tokyo Japan
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- Kazutaka Enyo
- Global Environment and Marine Department Japan Meteorological Agency Tokyo Japan
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- Toshiya Nakano
- Global Environment and Marine Department Japan Meteorological Agency Tokyo Japan
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- Masao Ishii
- Global Environment and Marine Department Japan Meteorological Agency Tokyo Japan
書誌事項
- 公開日
- 2019-02-08
- 資源種別
- journal article
- 権利情報
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- http://onlinelibrary.wiley.com/termsAndConditions#vor
- DOI
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- 10.1029/2018gl081330
- 公開者
- American Geophysical Union (AGU)
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説明
<jats:title>Abstract</jats:title><jats:p>Half‐century‐long observations at the 137°E repeat hydrographic section across the western North Pacific have been analyzed to demonstrate remotely forced decadal physical and biogeochemical variability of Subtropical Mode Water (STMW) over the last 40 years. During unstable periods of the Kuroshio Extension (KE) that lagged the warm phase of the Pacific Decadal Oscillation by 3–4 years, high regional eddy activity reduced the formation rate and salinity of STMW in its main formation region south of the KE. At the 137°E section south of Japan, decreasing southwestward advection of oxygen‐rich STMW from the formation region resulted in decreases of its cross‐sectional area, dissolved oxygen, pH, and aragonite saturation state and increases of nutrients and dissolved inorganic carbon, among which changes of the carbon system parameters accelerated their long‐term trends. Such changes reversed and acidification slowed down during stable‐KE periods, especially in the current period since 2010 exhibiting a hiatus of acidification.</jats:p>
収録刊行物
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- Geophysical Research Letters
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Geophysical Research Letters 46 (3), 1555-1561, 2019-02-08
American Geophysical Union (AGU)
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詳細情報 詳細情報について
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- CRID
- 1360004233291853184
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- ISSN
- 19448007
- 00948276
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- Web Site
- https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2018GL081330
- https://onlinelibrary.wiley.com/doi/pdf/10.1029/2018GL081330
- https://onlinelibrary.wiley.com/doi/full-xml/10.1029/2018GL081330
- https://onlinelibrary.wiley.com/doi/am-pdf/10.1029%2F2018GL081330
- https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2018GL081330
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- 資料種別
- journal article
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- データソース種別
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- Crossref
- KAKEN
- OpenAIRE
