クパン市流域における洪水緩和と生態系サービス向上のための自然基盤ソリューションの統合モデリング
Integrated Modeling of Nature-Based Solutions for Flood Mitigation and Enhancement of Ecosystem Services in the Kupang City Watershed (原題)
Lukim Nomleni, Denik Sri Krisnayanti, Hamza H. Wulakada
🤖 gxceed AI 要約
日本語
本研究は、クパン市の流域を対象に、自然基盤ソリューション（NbS）の統合モデリングを用いて洪水リスクと生態系サービスを評価した。水文モデルとシステムダイナミクスを組み合わせ、植生強化やグリーンインフラ、貯留池などの介入が洪水緩和に有効であることを示した。将来の都市開発と気候変動下での持続可能な流域管理への示唆を提供する。
English
This study evaluates integrated Nature-based Solutions (NbS) for flood mitigation and ecosystem services in the Kupang City watershed using hydrological and system-dynamics modeling. Interventions like vegetation enhancement and retention ponds reduce runoff and improve water retention, supporting sustainable watershed management under urban and climate pressures.
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グリーンインフラやNbSの導入が進められており、本研究成果は流域治水や生態系を活用した防災・減災の計画に参考となる。ただし、対象地域がインドネシアであり、日本の制度や実務への直接適用には地域特性の考慮が必要。
In the global GX context
This study contributes to global NbS scholarship by demonstrating integrated modeling for flood mitigation in a semi-arid urban watershed. It offers a replicable framework for ecosystem-based adaptation, relevant to international climate resilience and sustainable development goals.
👥 読者別の含意
🔬研究者:Provides a case study of integrated hydrological and system-dynamics modeling for NbS evaluation, useful for comparative research.
🏢実務担当者:Offers a framework for planning green infrastructure and retention ponds to mitigate flood risk in urban watersheds.
🏛政策担当者:Highlights the value of NbS in climate adaptation policy, supporting ecosystem-based approaches in urban planning.
📄 Abstract（原文）
Flooding in Kupang City has increasingly been associated with watershed degradation, urban expansion, reduced infiltration capacity, and the region’s semi-arid climatic characteristics, highlighting the need for sustainable flood-mitigation strategies. This study aimed to evaluate integrated Nature-based Solutions (NbS) for reducing flood risk and enhancing ecosystem services in the Kupang City watershed. A quantitative approach was applied using hydrological and system-dynamics modeling. Rainfall, land-cover, soil, population, and spatial data were analyzed using ArcGIS, HEC-HMS, Powersim Studio 10, and the InVEST model. The Oesapa Besar watershed was selected as the representative case. The results showed that HEC-HMS generated a 100-year return-period peak discharge of 325.80 m³/s, while calibration using the Snyder unit hydrograph and Green-Ampt infiltration method supported the reliability of the design-flood analysis. NbS interventions, including vegetation enhancement, green infrastructure, and retention ponds, reduced the Curve Number (CN) from 79.27 in 2015 to 76.60 in 2050 and decreased surface runoff from 71.95 mm to 71.45 mm. The InVEST analysis also indicated a more stable annual water yield and improved urban flood-mitigation capacity through enhanced infiltration and water retention. The study concluded that integrated NbS modeling provides an effective basis for sustainable, ecosystem-based watershed management and long-term flood resilience in Kupang City under continued urban development and future climate-related hydrological pressures.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.46799/adv.v4i8.590first seen 2026-08-26 04:41:46
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