複合災害に対する自然を基盤とした解決策のスケーリングに関するグローバルな証拠
Global evidence on scaling nature-based solutions for compound hazards (原題)
Sina Razzaghi Asl, Anahita Azadgar
🤖 gxceed AI 要約
日本語
気候適応のための自然を基盤とした解決策（NbS）の効果に関する系統的レビュー。38研究を測定デザインに基づき分類し、直接測定は6件のみで、多くは代理・優先順位付け・定性的証拠に留まる。沿岸洪水と都市熱に証拠が集中し、複合干ばつ・熱波や連鎖災害では直接証拠が不足。NbSのスケーリングには証拠の強度に応じた信頼性の評価が必要と提言。
English
A systematic review of 38 studies on nature-based solutions (NbS) for climate adaptation to compound hazards. Only six studies directly measured hazard reduction; most evidence is proxy, prioritization, or qualitative. Evidence concentrates on coastal flooding and urban heat, with no direct evidence for compound drought-heat or cascading hazards. Calls for scaling confidence in NbS with evidence strength.
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
日本では気候変動適応計画やグリーンインフラ推進の文脈でNbSが注目されるが、効果の実証的根拠が不足。本レビューは、適応策の投資判断や政策立案において、エビデンスに基づくNbS評価の枠組みを提供し、日本の自治体や企業の適応戦略に示唆を与える。
In the global GX context
Globally, NbS are promoted under adaptation and biodiversity frameworks, but evidence gaps hinder investment and policy. This review provides a rigorous classification of evidence types, relevant for TCFD/ISSB climate risk disclosures and adaptation finance. It underscores the need for direct measurement to justify NbS investments, aligning with global adaptation goals.
👥 読者別の含意
🔬研究者:Provides a methodological framework for classifying NbS evidence, useful for designing rigorous impact studies.
🏢実務担当者:Highlights the need for direct evidence when selecting NbS for climate adaptation projects, informing risk assessments.
🏛政策担当者:Informs adaptation policy by showing evidence gaps in NbS effectiveness, guiding research priorities and funding.
📄 Abstract（原文）
Abstract Nature-based Solutions (NbS) are increasingly promoted for climate adaptation to compound hazards, but systematic evidence of their effectiveness is still scarce. We address this gap with a systematic review of 38 studies. Each study was sorted by what its measurement design can support, not by what its authors claim. This produced four groups. Direct studies attribute a measured hazard reduction to the intervention, proxy studies infer protection from ecosystem condition, prioritization studies map suitable locations without estimating performance, and qualitative studies describe effectiveness without measuring it. We detect trends in geographic distribution, hazard combinations, intervention types, methodological approaches, and strength of evidence. Six studies directly measured attributable hazard reduction, and the remaining 32 studies fell into the proxy, prioritization, or qualitative classes, none of which can separate an ecosystem that buffers a hazard from one that receives it. The evidence concentrates on coastal flooding, with urban heat second. The most common hazard combination, compound drought and heat, yielded no direct evidence of hazard reduction, and only one of the five studies addressing cascading hazards did so. Research priorities include direct assessment of vegetation-based NbS under compound drought and heat, attributable measurements for cascading hazards, and long-term monitoring of hazard outcomes. As NbS are scaled, confidence in them should be scaled with the strength of the evidence base.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.1088/1748-9326/aea107first seen 2026-09-03 05:12:20
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