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Methane release from open leads and new ice following an Arctic winter storm event
https://nipr.repo.nii.ac.jp/records/16971
https://nipr.repo.nii.ac.jp/records/16971b9be0890-a016-4487-abdb-1ac7c35e7d6f
Item type | 学術雑誌論文 / Journal Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2022-10-14 | |||||
タイトル | ||||||
タイトル | Methane release from open leads and new ice following an Arctic winter storm event | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Methane release from open leads and new ice following an Arctic winter storm event | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Methane | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Arctic ocean | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Sea ice | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Wintertime | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Storm | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Silyakova, Anna
× Silyakova, Anna× Nomura, Daiki× Kotovitch, Marie× Fransson, Agneta× Delille, Bruno× Chierici, Melissa× Granskog, Mats A. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We examine an Arctic winter storm event, which led to ice break–up, the formation of open leads, and the subsequent freezing of these leads. The methane (CH4) concentration in under–ice surface water before and during the storm event was 8–12 nmol L−1, which resulted in a potential sea–to–air CH4 flux ranging from +0.2 to +2.1 mg CH4 m−2 d−1 in open leads. CH4 ventilation between seawater and atmosphere occurred when both open water fraction and wind speed increased. Over the nine days after the storm, sea ice grew 27 cm thick. Initially, CH4 concentrations in the sea ice brine were above the equilibrium with the atmosphere. As the ice grew thicker, most of the CH4 was lost from upper layers of sea ice into the atmosphere, implying continued CH4 evasion after the leads were ice–covered. This suggests that wintertime CH4 emissions need to be better constrained. | |||||
書誌情報 |
en : Polar Science 巻 33, p. 100874, 発行日 2022-09 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18739652 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.polar.2022.100874 | |||||
関連名称 | 10.1016/j.polar.2022.100874 |