Assembly areas as urban infrastructure: disaster governance, spatial equity, and the protection of public open space in seismically exposed cities
都市インフラとしての避難エリア：地震多発都市における災害ガバナンス、空間的公平性、公開オープンスペースの保護 (AI 翻訳)
Karagoz, Busra, Aktas. Yasemin Didem
🤖 gxceed AI 要約
日本語
本論文は、地震後の避難エリアが都市のレジリエンスにおいて重要であるにもかかわらず、計画決定によって系統的に侵食されていることを指摘する。イスタンブールの5,570か所の分析では、1人当たり2.98m²と国際基準を下回り、脆弱な地区ほど避難スペースが不足する二重のリスクが明らかになった。カトマンズ、テヘラン、リマの事例も同様の傾向を示し、土地の商品化と防災ガバナンスの乖離が根本課題であると論じる。
English
This paper argues that disaster assembly areas, critical for post-earthquake resilience, are systematically eroded by routine planning decisions. Analysis of 5,570 sites in Istanbul reveals per-capita provision of 2.98 m² below humanitarian standards, with acute spatial inequality: vulnerable districts face double jeopardy. Comparative evidence from Kathmandu, Tehran, and Lima shows a global pattern of open space commodification outpacing disaster governance. The authors call for statutory protection, vulnerability-weighted allocation, and institutional integration.
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
日本は地震多発国であり、避難エリアの確保は重要な課題。本論文が示す「計画決定による避難スペースの侵食」は、日本の都市計画と防災計画の連携不足にも当てはまる可能性がある。特に、既存の指定避難所の実効性評価や、脆弱地区への配分の公平性を考える上で示唆に富む。
In the global GX context
This paper provides a global perspective on a neglected aspect of urban disaster resilience: the systematic loss of designated assembly areas through planning decisions. It offers a framework for assessing spatial equity in disaster preparedness that is relevant for cities worldwide, especially those facing rapid urbanization and seismic risk. The institutional disconnect highlighted resonates with challenges in integrating land-use and disaster management in many countries.
👥 読者別の含意
🔬研究者:Researchers studying urban resilience or disaster governance can leverage the spatial analysis methodology and the concept of 'double jeopardy' to examine similar patterns in other cities.
🏢実務担当者:Urban planners and disaster managers can use the findings to advocate for statutory protection of assembly areas and to integrate vulnerability-weighted allocation into planning processes.
🏛政策担当者:Policymakers should note the need to formalize the protection of designated open spaces and to bridge the institutional gap between land-use planning and disaster management agencies.
📄 Abstract（原文）
Disaster assembly areas - designated open spaces where populations gather following a major earthquake - represent a critical but neglected component of urban resilience infrastructure. Using Istanbul as a primary case study, this Perspective examines how assembly area provision has been systematically eroded through routine planning decisions made outside the disaster management apparatus. Our spatial analysis of 5,570 designated sites reveals a citywide per-capita provision of 2.98 m² - below the Sphere humanitarian minimum - with acute spatial inequality: districts carrying the oldest, most seismically vulnerable building stock simultaneously show the worst assembly provision, a double jeopardy condition affecting 31.7 per cent of Istanbul's 973 neighbourhoods. The pattern is not unique to Istanbul: comparative evidence from Kathmandu, Tehran, and Lima demonstrates that the commodification of urban open space under development pressure is a global phenomenon, consistently outpacing disaster governance frameworks. We argue that four shifts are required - statutory protection for designated sites, vulnerability-weighted spatial allocation, fitness-for-purpose verification, and community-level awareness - and that the fundamental barrier is not technical but institutional: the systematic disconnection between land-use planning and disaster management that allows assembly space to be quietly withdrawn from public use one planning amendment at a time.
🔗 Provenance — このレコードを発見したソース
- EarthArXiv https://eartharxiv.org/repository/object/12979/download/23013/first seen 2026-05-14 21:17:02
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