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  1. 学術雑誌論文
  2. その他
  1. 部局別インデックス
  2. その他

Coral-spawn slicks : Reflectance spectra and detection using optical satellite data

http://hdl.handle.net/20.500.12000/47237
http://hdl.handle.net/20.500.12000/47237
1d34195e-dfa4-4c9c-a8a3-4b7d93db8936
名前 / ファイル ライセンス アクション
1-s2.0-S0034425720304284-main.pdf 1-s2.0-S0034425720304284-main.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2020-11-16
タイトル
タイトル Coral-spawn slicks : Reflectance spectra and detection using optical satellite data
言語 en
作成者 Yamano, Hiroya

× Yamano, Hiroya

en Yamano, Hiroya

Sakuma, Asahi

× Sakuma, Asahi

en Sakuma, Asahi

Harii, Saki

× Harii, Saki

en Harii, Saki

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
権利情報
言語 en
権利情報 Creative Commons Attribution-NonCommercial-NoDerivatives 4.0
言語 en
権利情報Resource https://creativecommons.org/licenses/by-nc-nd/4.0/
権利情報 https://creativecommons.org/licenses/by-nc-nd/4.0/
主題
言語 en
主題Scheme Other
主題 Coral mass spawning
言語 en
主題Scheme Other
主題 Coral bundle
言語 en
主題Scheme Other
主題 Coral-spawn slick
言語 en
主題Scheme Other
主題 Satellite constellation
言語 en
主題Scheme Other
主題 Planet Dove
言語 en
主題Scheme Other
主題 Sentinel-2
内容記述
内容記述タイプ Other
内容記述 This study provides the first report of reflectance spectra of coral-spawn slicks and their detection using optical satellite data. The reflectance spectra show that coral-spawn slicks can be discriminated from other sea-surface features such as wave foam and floating Sargassum. Analysis of Planet Dove and Sentinel-2B imagery allowed successful detection of coral-spawn slicks at Ishigaki Island, Okinawa, Japan (24°31′40″N, 124°17′31″E), by using reflectance values in the green and red wavelength regions. This detection was attributable to both their high spatial resolution (3.7 m and 10 m, respectively) and high temporal resolution (1 day and 5 days, respectively), given that coral spawning occurs within a short period (up to several days), typically once a year, and that the coral-spawn slicks have narrow widths of ~10 m. The number of the detected coral-spawn slicks was small, possibly because of coral decline around Ishigaki Island caused by the 2016 worldwide mass coral bleaching event. High-frequency satellite observations, including those from satellite constellations, should provide a powerful tool for understanding coral-reef processes and features whose detection requires high spatial and temporal resolution.
内容記述タイプ Other
内容記述 論文
出版者
言語 en
出版者 Elsevier
言語
言語 eng
資源タイプ
資源タイプ journal article
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/47237
識別子タイプ HDL
関連情報
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.rse.2020.112058
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.rse.2020.112058
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0034-4257
収録物名
言語 en
収録物名 Remote Sensing of Environment
書誌情報
巻 251, 発行日 2020-12-15
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