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  1. 学術雑誌掲載済論文
  2. 洋雑誌

Warming Water in Arctic Terrestrial Rivers under Climate Change

https://kitami-it.repo.nii.ac.jp/records/8651
5c50743c-70dd-4d76-9b9c-27e3d4fe547f
名前 / ファイル ライセンス アクション
2017-07 2017-07 Warming Water in Arctic Terrestrial Rivers under Climate Change (2.5 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2018-04-20
タイトル
言語 en
タイトル Warming Water in Arctic Terrestrial Rivers under Climate Change
言語
言語 eng
キーワード
言語 en
主題Scheme Other
主題 Arctic
キーワード
言語 en
主題Scheme Other
主題 Rivers
キーワード
言語 en
主題Scheme Other
主題 Hydrologic cycle
キーワード
言語 en
主題Scheme Other
主題 Hydrologic models
キーワード
言語 en
主題Scheme Other
主題 Land surface model
キーワード
言語 en
主題Scheme Other
主題 Trends
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
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
著者 Park, Hotaek

× Park, Hotaek

WEKO 90463

en Park, Hotaek

Search repository
Yoshikawa, Yasuhiro

× Yoshikawa, Yasuhiro

WEKO 90464

en Yoshikawa, Yasuhiro

Search repository
Yang, Daqing

× Yang, Daqing

WEKO 90465

en Yang, Daqing

Search repository
Oshima, Kazuhiro

× Oshima, Kazuhiro

WEKO 90466

en Oshima, Kazuhiro

Search repository
著者別名
姓名
姓名 吉川, 泰弘
言語 ja
抄録
内容記述タイプ Abstract
内容記述 Recent years have seen an obvious warming trend in the Arctic. Streamflow and water temperature Tw are important parameters representing the changes of Arctic rivers under climate change. However, few quantitative assessments of changes in river Tw have been conducted at the pan-Arctic scale. To carry out such an assessment, this study used a modeling framework combining a land process model [the coupled hydrological and biogeochemical model (CHANGE)] with models of river discharge Q, ice cover, and Tw dynamics. The Tw model was improved by incorporating heat exchange at the air–water interface and heat advection from upstream through the channel network. The model was applied to pan-Arctic terrestrial rivers flowing into the Arctic Ocean over the period 1979–2013 and quantitatively assessed trends of Tw at regional and pan-Arctic scales. The simulated Tw values were consistent with observations at the mouths of major pan-Arctic rivers. The model simulations indicated a warming trend of Tw by 0.16°C decade−1 at the outlets of the pan-Arctic rivers, including widespread spatial warming consistent with increased air temperature Ta. The strong impact of Ta on Tw was verified by model sensitivity analysis based on various scenarios involving changes in the Ta and Q forcings. Finally, this study demonstrated the warming of Tw in Arctic rivers induced by Ta warming, suggesting the potential for warming Tw of Arctic rivers under future climate change scenarios.
書誌情報 Journal of Hydrometeorology
en : Journal of Hydrometeorology

巻 18, 号 7, p. 1983-1995, 発行日 2017-07
ISSN
収録物識別子タイプ PISSN
収録物識別子 1525-755X
DOI
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1175/JHM-D-16-0260.1
権利
権利情報 c 2017 American Meteorological Society
出版者
出版者 American Meteorological Society
著者版フラグ
値 publisher
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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