建物と人口増加の不一致をマッピングする: 1,700 の都市に関する世界的な研究
Siwei Lou1, Yu Huang1, Yukai Zou2
1School of Civil Engineering and Transportation, Guangzhou University, 230 Guangzhou Higher Education Mega Center West Outer Ring Road, Panyu District, Guangzhou 510006, China.
iScience
|September 2, 2025
まとめ
都市建設の拡大は世界的に異なっており,東アジアは人口増加よりも多く,ヨーロッパ/北米は少ない. 社会経済的な要因は,これらの持続可能な開発の傾向に影響します.
科学分野:
- 都市計画と持続可能な開発
- 都市成長の地理空間分析
- 環境科学と資源管理
背景:
- 都市建設の拡大と人口増加の関係は,持続可能な開発にとって極めて重要です.
- 都市開発の格差のグローバルパターンと要因は十分に理解されていません.
- これらのダイナミクスを理解することは 都市における持続可能性の課題に取り組むための鍵です
研究 の 目的:
- 2000年から2020年までの12の主要経済圏の1,744の都市における建物規模と人口増加率 (ΔR) の差異を調査する.
- 都市開発における地域的なパターンと人口動態との相関を特定する.
- 観察された都市拡大の傾向の背後にある社会経済的要因を探求する.
主な方法:
- 総合的な分析のために,衛星ベースのビル・ボリュームデータと人口データベースを利用した.
- 各都市の建物規模と人口増加率 (ΔR) の差を計算した.
- 地域格差と社会経済的な影響要因を分析するために統計的方法を使用した.
主要な成果:
- 東アジアと東南アジアの都市は人口増加を上回る建設率を示した.
- 多くのヨーロッパと北米の都市は保守的な建物開発を示し,ΔRはゼロに近いか以下であった.
- GDP,人口規模,経済の中心地への近接といった社会経済的要因は,特にグローバル・サウスでは,これらのパターンを大きく説明しています.
結論:
- 都市建設の拡大は,世界的に人口増加を均一に追いかけて行われず,それに対応したアプローチが必要である.
- 地域特有の戦略は,持続可能な都市開発を達成するために不可欠です.
- 社会経済的な要因に対処することは,都市成長の管理と持続可能性の確保に不可欠です.
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