Hybrid nature-based solutions for water management under climate stress: performance, sustainability, and scalability in the Global South
気候ストレス下の水管理のためのハイブリッド自然基盤ソリューション：グローバル・サウスにおける性能、持続可能性、スケーラビリティ (AI 翻訳)
Harshita Jain, Lovepreet Singh
🤖 gxceed AI 要約
日本語
気候変動下の水管理におけるハイブリッド自然基盤ソリューション（NbS）の性能、持続可能性、スケーラビリティをレビュー。廃水処理、雨水処理、洪水対策で、BOD/COD除去率80-95%、TN/TP除去率60-85%、病原体2-4ログ低減を達成。炭素隔離1.5-5.0 t CO2-eq ha-1 yr-1、エネルギー使用30-60%削減、運用コスト20-50%削減。インド、中国、ブラジル、南アフリカの事例から、ガバナンス、資金調達、モニタリングの課題を指摘。
English
This review examines hybrid nature-based solutions (NbS) for water management under climate stress, focusing on performance, sustainability, and scalability in the Global South. Hybrid systems achieve 80-95% BOD/COD removal, 60-85% TN/TP removal, and 2-4 log pathogen reduction, while providing carbon sequestration of 1.5-5.0 t CO2-eq ha-1 yr-1, 30-60% energy savings, and 20-50% lower operating costs than grey infrastructure. Drawing on cases from India, China, Brazil, and South Africa, it identifies governance, financing, and monitoring barriers to scaling.
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、気候変動適応策としてのNbSは国土強靱化や流域治水に関連するが、本レビューは途上国中心であり、日本のGX政策への直接的な示唆は限定的。ただし、水インフラの脱炭素化や適応策の国際協力の文脈で参考になる。
In the global GX context
This review contributes to global climate adaptation literature by synthesizing evidence on hybrid NbS performance in water management, relevant for climate-resilient infrastructure planning and nature-based solutions in developing countries. It highlights co-benefits like carbon sequestration and cost savings, which are pertinent to climate finance and adaptation reporting under frameworks like TCFD and CSRD.
👥 読者別の含意
🔬研究者:Provides a comprehensive synthesis of hybrid NbS performance metrics and barriers, useful for further research on climate adaptation and water infrastructure.
🏢実務担当者:Offers quantitative performance benchmarks and implementation lessons for water utilities and infrastructure planners considering NbS.
🏛政策担当者:Highlights governance and financing gaps that need policy attention to scale NbS in resource-constrained settings.
📄 Abstract（原文）
ABSTRACT The hybrid nature-based solutions (NbS) are a potential solution to water management in the Global South as climate changes pose increasing challenges. This review reports on the performance, sustainability, and scalability of hybrid NbS in wastewater treatment, stormwater treatment, and flood protection. These results confirm that hybrid systems have 80–95% removal rate for BOD/COD, 60–85% removal rate for TN/TP, and 2–4 log reduction in pathogens in comparison with standalone NbS. Further, these systems provide carbon sequestration rate of 1.5–5.0 t CO2-eq ha−1 yr−1 for a single system, energy use save of 30–60%, and reduce operating costs by 20–50% over traditional grey infrastructure. They enable biodiversity conservation and resource reusing, but their mainstream adoption is constrained by fragmented governance, access to financing, and inadequate monitoring and evaluation. Based on experiences and lessons from successful and documented failures in countries like India, China, Brazil, and South Africa, the current review explores design, operation, and institutional factors that impact performance and the role of hybrid NbS in resource-constrained contexts. This review also addresses the implications for scaling hybrid NbS in resource-constrained settings and the need for integrated planning, stakeholder engagement, and adaptive management for climate resilient water systems.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.2166/wpt.2026.394first seen 2026-08-13 05:07:59
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