ガーナの住宅建築における緑化屋根採用の促進要因：イノベーション普及理論の視点から
Drivers of Green Roof Adoption in Ghanaian Residential Buildings: A Diffusion of Innovations Perspective (原題)
G. Fobiri, E. Nana-Addy, A. Sam, K. O. Adjei, L. O. Amoako
🤖 gxceed AI 要約
日本語
ガーナの住宅における緑化屋根採用の促進要因を、イノベーション普及理論の枠組みで分析した研究。215名の住宅所有者・建築専門家への質問紙調査により、省エネ・光熱費削減が最大の認識便益であり、美的価値が採用の主要動機であることを示す。政府インセンティブや実証プロジェクト、専門能力構築を組み合わせた普及策を提言する。
English
This study examines drivers of green roof adoption in Ghanaian residential buildings through a Diffusion of Innovations lens. Surveying 215 homeowners and building professionals, it finds energy savings and reduced utility costs are the strongest perceived benefits, while aesthetic value is the leading adoption motivator. It recommends combining visible aesthetics, energy-saving evidence, financial incentives, demonstration projects, and professional capacity-building.
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
日本では都市緑化・ヒートアイランド対策や建築物省エネ法、CASBEE等の環境性能評価と接点があるが、本論文はガーナ文脈の知覚調査であり、日本のGX開示・SSBJ対応への直接的な示唆は限定的。新興国での適応策・普及メカニズムの比較材料として参考になる。
In the global GX context
While green roofs intersect with urban climate adaptation and building energy performance, this paper sits outside the core TCFD/ISSB/CSRD disclosure agenda. It contributes to the global scholarship on adoption mechanisms for climate-adaptive building technologies in emerging economies, offering a diffusion-theory framing that disclosure-focused research rarely addresses.
👥 読者別の含意
🔬研究者:イノベーション普及理論を建築環境技術の採用研究に適用する実証例として、新興国文脈の比較研究に有用。
🏢実務担当者:不動産・建設のサステナビリティ担当者は、緑化屋根の普及には美的訴求と省エネ実証の組み合わせが有効という示唆を得られる。
🏛政策担当者:都市緑化戦略や気候適応計画に緑化屋根を組み込む際、インセンティブ設計と実証事業の重要性を示す。
📄 Abstract（原文）
Purpose: This paper examines the drivers of green roof adoption in Ghanaian residential buildings. Design/Methodology/Approach: A purposive sampling approach was adopted to select 215 homeowners, occupants, architects, engineers, contractors and developers. Data were collected using a structured questionnaire designed to capture the key variables relevant to green roof adoption. Data were analysed using frequencies, percentages, mean scores, standard deviations and ranking analysis. Research Limitation: The study is based on stakeholder perceptions in a single Ghanaian city and does not measure the physical performance of green roofs. Future research should combine survey evidence with pilot projects, lifecycle costing and inferential modelling. Findings: Energy savings and reduced utility costs were the strongest perceived benefit, followed by economic benefits, climate change mitigation, acoustic insulation, social and psychological benefits, biodiversity and general environmental benefits. Aesthetic value was the leading motivator for adoption, followed by environmental benefits, energy savings, and government incentives. Willingness to install, adopt in future projects and recommend adoption was moderate but promising. Practical Implication: Green roof promotion should combine visible aesthetic appeal, evidence of energy savings, environmental messaging, financial incentives, demonstration projects, and professional capacity-building. Social Implication: Incorporating green roof provisions into urban greening strategies, climate adaptation plans and sustainable building policies would help move green roofs from isolated voluntary initiatives to a more recognised component of sustainable residential development. Originality/value: It shows that these benefits operate through identifiable diffusion mechanisms relative advantage, compatibility, and observability that actively facilitate adoption.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.26437/q0cm2g23first seen 2026-09-14 04:35:49
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