From paddy fields to policy: leveraging advanced CH₄ measurement and modeling to drive climate action and carbon market transformation
水田から政策へ：高度なCH₄測定とモデリングを活用した気候行動と炭素市場の変革 (AI 翻訳)
Roberto O. Valdivia, W. Salas, S. McDermid, Kevin Karl, Kazunori Minamikawa, Toshihiro Hasegawa, Tao Li, Erik Mencos-Contreras, A. Adviento-Borbe, A. Radanielson
🤖 gxceed AI 要約
日本語
水田は農業由来温室効果ガスの主要排出源であり、排出削減の機会が大きいが、現行の排出係数では地域・季節変動を捉えられない。本論文は、測定・プロセスモデル・リモートセンシング・統合評価の進展が、Tier 3等の高次MRVシステムを可能にし、国家インベントリと炭素市場の信頼性を高めると論じる。経済的・制度的現実を考慮した統合評価が、技術的・経済的実現可能性を区別し、農家の参加を促す炭素価格設計に寄与する。
English
Rice paddies are a major source of agricultural GHG emissions, but current emission factors fail to capture variability. This Perspective argues that advances in measurement, modeling, and remote sensing enable higher-tier MRV systems (Tier 3, etc.), improving inventories and carbon market credibility. Integrated assessment frameworks can distinguish technical from economic feasibility and identify carbon prices to support farmer uptake, essential for scalable mitigation policies.
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
日本は水田由来メタン排出の削減が重要であり、農林水産省のJ-クレジット制度やみどりの食料システム戦略と関連。本論文のTier 3アプローチは、日本の水田MRV高度化とカーボン・クレジットの信頼性向上に示唆を与える。
In the global GX context
Globally, this paper aligns with efforts to strengthen agricultural GHG inventories under the Paris Agreement and develop credible carbon markets. It provides a roadmap for integrating advanced measurement and modeling into MRV systems, relevant to countries seeking to enhance NDCs and access climate finance.
👥 読者別の含意
🔬研究者:Provides a framework for advancing agricultural GHG MRV through Tier 3 approaches and integrated assessment.
🏢実務担当者:Offers insights for developing credible carbon credit methodologies in rice systems, potentially applicable to J-credit projects.
🏛政策担当者:Highlights the need for investment in measurement and modeling infrastructure to support NDCs and carbon market mechanisms.
📄 Abstract（原文）
Rice paddies are a major source of agricultural greenhouse gas emissions and offer substantial methane mitigation opportunities if emission reductions can be quantified, reported, and verified with sufficient credibility. Current national inventories and many mitigation programs still rely on generalized emission factors that do not capture field- and season-specific variability in methane and nitrous oxide emissions or their responses to management, soils, and climate. This limits countries’ ability to strengthen greenhouse gas inventories, track mitigation progress, support Nationally Determined Contributions, and develop credible carbon-market mechanisms. This Perspective examines how advances in greenhouse gas measurement, process-based modeling, remote sensing, and integrated assessment can support higher-tier inventory and monitoring, reporting, and verification (MRV) systems for rice. We argue that Tier 3 approaches, together with intermediate pathways such as Tier 2.5 and simplified Tier 3 where appropriate, can improve emission estimates, represent management responses and CH₄–N₂O trade-offs, quantify uncertainty, and better connect field-level mitigation with national reporting and carbon finance. Improved quantification must also be linked to economic and institutional realities. Integrated assessment frameworks can distinguish technical from economically feasible mitigation, evaluate adoption constraints and livelihood trade-offs, and identify carbon prices or payment levels needed to support farmer uptake. These linkages are essential for designing mitigation policies and carbon-market mechanisms that are environmentally credible, economically viable, and scalable.
🔗 Provenance — このレコードを発見したソース
- semanticscholar https://doi.org/10.1088/1748-9326/ae996afirst seen 2026-08-16 05:30:43
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