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  1. F300 宇宙地球環境研究所
  2. F300a 雑誌掲載論文
  3. 学術雑誌

High-resolution surface salinity maps in coastal oceans based on geostationary ocean color images: quantitative analysis of river plume dynamics

http://hdl.handle.net/2237/00028580
http://hdl.handle.net/2237/00028580
b66adf5b-aa95-482a-91b6-65ed689c124f
名前 / ファイル ライセンス アクション
NakadaS2018.pdf NakadaS2018 (8.0 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2018-09-18
タイトル
タイトル High-resolution surface salinity maps in coastal oceans based on geostationary ocean color images: quantitative analysis of river plume dynamics
言語 en
著者 Nakada, Satoshi

× Nakada, Satoshi

WEKO 85349

en Nakada, Satoshi

Search repository
Kobayashi, Shiho

× Kobayashi, Shiho

WEKO 85350

en Kobayashi, Shiho

Search repository
Hayashi, Masataka

× Hayashi, Masataka

WEKO 85351

en Hayashi, Masataka

Search repository
Ishizaka, Joji

× Ishizaka, Joji

WEKO 85352

en Ishizaka, Joji

Search repository
Akiyama, Satoshi

× Akiyama, Satoshi

WEKO 85353

en Akiyama, Satoshi

Search repository
Fuchi, Masaki

× Fuchi, Masaki

WEKO 85354

en Fuchi, Masaki

Search repository
Nakajima, Masaki

× Nakajima, Masaki

WEKO 85355

en Nakajima, Masaki

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 “This is a post-peer-review, pre-copyedit version of an article published in [Journal of Oceanography]. The final authenticated version is available online at: http://dx.doi.org/10.1007/s10872-017-0459-4."
キーワード
主題Scheme Other
主題 Sea-surface salinity
キーワード
主題Scheme Other
主題 coastal oceans
キーワード
主題Scheme Other
主題 chromophoric dissolved organic matter
キーワード
主題Scheme Other
主題 river plume
キーワード
主題Scheme Other
主題 typhoon
キーワード
主題Scheme Other
主題 Geostationary ocean color satellite
キーワード
主題Scheme Other
主題 Osaka Bay
抄録
内容記述 Sea surface salinity (SSS) in coastal oceans is a direct indicator of riverine plumes and provides essential information about the ocean environment and ecosystem, which affects coastal fisheries, aquaculture, and marine harvests. However, to accurately capture SSS patterns in coastal oceans, high temporal and spatial resolutions are required. This paper introduces a methodology to produce high-resolution (~ 500 m) SSS maps for analysis of river plumes in coastal oceans based on hourly chromophoric dissolved organic matter data collected by the Geostationary Ocean Color Imager. Osaka Bay, located in the eastern Seto Inland Sea, was selected as a pilot region. A comparison between the initial estimates and calibrated SSS data showed a substantial decrease in estimation error, by up to 71%, over a wide range of salinity (20–34) using in situ SSS data collected through an automated observation system. Calculating the salinity anomaly based on the SSS map to identify plume areas, we evaluated the impact of a large runoff event induced by a super typhoon on the river plumes. After the plume formed in the estuary, it extended southward to the bay mouth along the southeastern coast. The plume area during the post-typhoon period covered half of the bay, approximately 1.5 times the area during the pre-typhoon period. The post-typhoon, low-SSS period continued for approximately 2 weeks. Our approach can be of practical use for analyzing the dynamics of river plumes in coastal oceans, leading to the development of coastal ocean prediction models related to operational oceanography.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 ファイル公開:2019-06-01
言語 ja
内容記述タイプ Other
出版者
言語 en
出版者 Springer
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1007/s10872-017-0459-4
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0916-8370
ISSN(Online)
収録物識別子タイプ EISSN
収録物識別子 1573-868X
書誌情報 en : Journal of Oceanography

巻 74, 号 3, p. 287-304, 発行日 2018-06
著者版フラグ
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