Item type |
学術雑誌論文 / Journal Article(1) |
公開日 |
2021-02-26 |
タイトル |
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タイトル |
Lessons learned from more than a decade of greenhouse gas flux measurements at boreal forests in eastern Siberia and interior Alaska |
タイトル |
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言語 |
en |
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タイトル |
Lessons learned from more than a decade of greenhouse gas flux measurements at boreal forests in eastern Siberia and interior Alaska |
言語 |
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言語 |
eng |
キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
ArCS |
キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
ArCS II |
キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
Boreal forest |
キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
Eddy covariance |
キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
Greenhouse gas flux |
資源タイプ |
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資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
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資源タイプ |
journal article |
アクセス権 |
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アクセス権 |
metadata only access |
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アクセス権URI |
http://purl.org/coar/access_right/c_14cb |
著者 |
Hiyama, Tetsuya
Ueyama, Masahito
Kotani, Ayumi
Iwata, Hiroki
Nakai, Taro
Okamura, Mikita
Ohta, Takeshi
Harazono, Yoshinobu
Petrov, Roman E.
Maximov, Trofim C.
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抄録 |
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内容記述タイプ |
Abstract |
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内容記述 |
We summarized our recently-published papers on greenhouse gas exchanges at two important boreal regions underlain by permafrost: eastern Siberia and interior Alaska. Relevant literatures were also referred to, and future research directions on the high-latitude terrestrial processes were suggested. Long-term monitoring of CO2 fluxes at the boreal forests revealed that anomalous weather and disturbances changed the CO2 balance. More than a decade is required to return to a CO2 sink at burned forests in interior Alaska. Anomalous high precipitation altered the forest structure in eastern Siberia, shifting the overstory/understory contributions to the CO2 balance. The CH4 emissions were higher in the two boreal forests than in the other boreal forests. Upscaling the in-situ observations and comparisons with top-down approaches revealed considerable inconsistencies exist among the approaches. We recommend the following directions in future research. First, long-term monitoring is indispensable to detect the effect of climate change on ecosystems. Second, disturbance impacts, including fire, thermokarst, and wet spells, need to be quantified. Third, further observations are necessary for constraining CH4 exchange models. Finally, reconciling top-down and bottom-up approaches is required to reduce uncertainty. Prompt sharing of observed data and model products is crucial to improve our understanding of high-latitude processes. |
書誌情報 |
en : Polar Science
p. 100607,
発行日 2021-03
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ISSN |
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収録物識別子タイプ |
ISSN |
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収録物識別子 |
18739652 |
関連サイト |
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識別子タイプ |
DOI |
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関連識別子 |
https://doi.org/10.1016/j.polar.2020.100607 |
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関連名称 |
10.1016/j.polar.2020.100607 |