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Spatial and seasonal variations of black carbon over the Arctic in a regional climate model
https://nipr.repo.nii.ac.jp/records/16885
https://nipr.repo.nii.ac.jp/records/1688564888376-7cfc-4825-8356-8ad0dc8292c8
Item type | 学術雑誌論文 / Journal Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2022-05-20 | |||||
タイトル | ||||||
タイトル | Spatial and seasonal variations of black carbon over the Arctic in a regional climate model | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Spatial and seasonal variations of black carbon over the Arctic in a regional climate model | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Black carbon | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Forest fire | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Regional climate model | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Boreal winter and summer | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Arctic | |||||
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 |
Srivastava, Rohit
× Srivastava, Rohit× Ravichandran, M. |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Black Carbon (BC) absorbs the radiation and alters snow/ice albedo, which influences the Earth–Atmosphere radiation balance over the Arctic region. BC masses are estimated using Weather Research and Forecasting with Chemistry (WRF-CHEM) model over the Arctic region during the boreal winter and summer seasons of 2018. The meteorological parameters such as near surface temperature and relative humidity in WRF-CHEM are found to agree well with the observations. BC masses are found between 5–20 ng m−3 during boreal winter over most parts of the Arctic, while BC values are double in summer. Siberian and Canadian regions exhibit higher BC concentrations ( ng m−3) owing to the fire activities. BC produced by fires in the Alaska and Canadian regions of Arctic have lesser spread than BC form Siberian fires as the winds are mostly from east to west in winter. The model simulated BC is lower and higher than the observed BC during winter and summer respectively over Ny-Ålesund. However, the day to day variations can be captured by the model. The vertical profile of BC shows two peaks in winter, one at 1 km and the other strong peak at higher altitude of 12.5 km associated with long-range transport from mid-latitude and tropical regions, while in summer one peak at lower altitude is found. BC has large spatial variations in the Arctic which can significantly impact the Arctic as well as global climate. | |||||
書誌情報 |
en : Polar Science 巻 30, p. 100670, 発行日 2021-12 |
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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.2021.100670 | |||||
関連名称 | 10.1016/j.polar.2021.100670 |