地震による地球規模の生態系炭素損失
Global ecosystem carbon losses from earthquakes (原題)
Wen He, Wen Zeng, Yu Zhan, Deliang Chen, Tien Ming Lee, Didier Sornette, Xiangrui Meng, Susan L. Ustin, Yunpeng Qu, Sheng Zhang, Constantine A. Stamatopoulos, Fahu Chen, Baofeng Di
🤖 gxceed AI 要約
日本語
地震が引き起こす地滑りや土地被覆変化による炭素損失を世界規模で初めて定量化。2006〜2018年の強震で2022年までに累積38.86 TgCの損失を推定し、森林回復には最低6年を要する。新興国に被害が集中し、炭素会計や防災戦略への示唆を提供。
English
This study provides the first global quantification of carbon losses from earthquakes, combining vegetation models and earthquake records. It estimates 38.86 TgC cumulative losses from 2006-2018 events by 2022, with forests requiring at least six years to recover. Losses are concentrated in developing economies, offering a benchmark for carbon accounting and disaster resilience.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本は地震多発国であり、災害後の炭素収支を国連気候変動枠組み条約の報告に組み込む際の参考となる。また、SSBJ開示における気候リスク評価に自然災害の炭素影響を考慮する必要性を示唆。
In the global GX context
This study establishes a global benchmark for geophysical carbon losses, relevant for national GHG inventories and climate risk disclosure under frameworks like TCFD and ISSB. It highlights the need to account for disturbance-induced emissions in corporate and national carbon accounting.
👥 読者別の含意
🔬研究者:Provides a methodology to quantify carbon losses from geophysical disturbances, useful for refining carbon cycle models.
🏢実務担当者:May inform disaster risk assessment and resilience planning for companies with land-based assets.
🏛政策担当者:Highlights the importance of including earthquake-induced carbon losses in national carbon accounting and disaster strategies.
📄 Abstract（原文）
Abstract Earthquakes disrupt terrestrial ecosystem carbon storage by triggering landslides and altering land cover, yet a global quantification of these carbon losses has been lacking. Here we quantify the global earthquake-induced carbon losses by combining vegetation models, land cover, carbon density, and earthquake records. Focusing on strong earthquakes worldwide between 2006 and 2018, we find that these events cause a cumulative loss of 38.86 ± 6.23 teragrams of carbon by 2022. Forest ecosystems require at least six years to begin recovery. These carbon losses are unevenly distributed across countries, with 84.6% of affected countries being emerging and developing economies. In Nepal and Ecuador, cumulative earthquake-induced carbon losses exceed half of their cumulative land-use change emissions during the post-earthquake period. Our study establishes a global benchmark for carbon losses from geophysical disturbances, offering a crucial reference for national carbon accounting and disaster resilience strategies.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.1038/s43247-026-04012-xfirst seen 2026-09-05 05:14:13
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