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Bottom-up evaluation of the regional methane budget of northern lands from 1980 to 2015
https://nipr.repo.nii.ac.jp/records/16408
https://nipr.repo.nii.ac.jp/records/16408c5d70ba8-f227-47a6-8e5b-6ed837fb0b6c
Item type | 学術雑誌論文 / Journal Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2021-03-18 | |||||
タイトル | ||||||
タイトル | Bottom-up evaluation of the regional methane budget of northern lands from 1980 to 2015 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Bottom-up evaluation of the regional methane budget of northern lands from 1980 to 2015 | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Climate change | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Emission inventory | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Greenhouse gas | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Process-based model | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Spatio-temporal variations | |||||
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 |
Ito, Akihiko
× Ito, Akihiko |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This study created a regional budget for methane (CH4) for Northern Europe, Siberia, and northern North America, based on a mission inventories, biogeochemical models, and land-surface satellite data. Natural sink and sources (wetlands, termites, wildfires, soil oxidation, and geological sources) and anthropogenic sources (fossil fuel extraction, industry and transportation, waste, agriculture, and livestock) were included. During 2000–2015, the region was estimated to be a net source of 57.2 Tg CH4 yr−1, 40.8% of which was contributed by anthropogenic sources. Wetland emissions (33.9 Tg CH4 yr−1) were the largest sources in the region, followed by fossil fuel extraction, waste, and geological emissions. Comparisons with other estimates indicated an uncertainty of ±16.9 Tg CH4 yr−1 for wetland emissions and ±6.9 Tg CH4 yr−1 for anthropogenic emissions. Regional emissions reached a peak in 1988, troughs in 1996 and 2000, and then gradually increased to a maximum in 2015. The temporal patterns was attributable to variations of both anthropogenic and natural emissions. Spatial maps of CH4 sources, sinks, and net emissions were constructed to identify “hot spots” of emissions and their variations. Theanalyses revealed a need for further clarification of emissions from freshwater, permafrost thawing, biomass burning, and fossil fuel exploitation. | |||||
書誌情報 |
en : Polar Science p. 100558, 発行日 2021-03 |
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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.2020.100558 | |||||
関連名称 | 10.1016/j.polar.2020.100558 |