Intra-settlement scaling across the urban–rural continuum: material stocks, service provisioning, and greenhouse gas emissions in the contiguous United States
都市と農村の連続体における集落内スケーリング：米国本土における物質ストック、サービス提供、温室効果ガス排出 (AI 翻訳)
Yiwei Yang, Benedikt Grammer, Rafael Prieto-Curiel, David Frantz, Helmut Haberl, Dominik Wiedenhofer
🤖 gxceed AI 要約
日本語
本研究は、米国本土の高解像度マップを用いて、人口規模に対する建築環境の物質ストック、サービス提供、温室効果ガス（GHG）排出のスケーリング関係を分析。結果、高密度都市部では低密度農村部に比べて、一人当たりの建築面積、移動インフラ面積、総インフラ質量、住宅由来の道路交通GHG排出量が半分以下であることを示し、高密度集住の環境便益を実証した。
English
This study uses high-resolution maps of the contiguous United States to examine how built environment material stocks, service provisioning, and operational GHG emissions scale with population size across the urban-rural continuum. Results show that high-density urban areas require less than half the per capita building footprints, mobility infrastructure, and residential on-road GHG emissions compared to low-density rural areas, demonstrating substantial environmental benefits of dense settlements.
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
日本のコンパクトシティ政策や都市の脱炭素化に向けて、人口密度と資源効率に関する定量的なエビデンスを提供。国土全体の物質ストックとGHG排出を空間的に分析した手法は、SSBJやTCFDにおける都市・インフラ関連の開示にも示唆を与える。
In the global GX context
This paper provides robust empirical evidence supporting the climate mitigation benefits of urban densification, relevant to global urban policy and infrastructure planning. The high-resolution spatial methodology offers a template for measuring the carbon footprint of different settlement patterns, informing ISSB and TCFD-aligned disclosures for cities and real estate.
👥 読者別の含意
🔬研究者:A key reference for urban scaling and GHG accounting studies, demonstrating robust sub-linear scaling across the entire settlement continuum.
🏢実務担当者:City planners and infrastructure developers can use the per-capita efficiency ratios to advocate for compact development and justify investment in urban density.
🏛政策担当者:Supports policies that promote densification and discourage urban sprawl as a cost-effective climate mitigation strategy.
📄 Abstract（原文）
Abstract Research on urban scaling laws suggests that cities with larger populations tend to be more resource-efficient, yet whether these findings hold across spatial scales, varying definitions of ‘urban’ and the entire rural–urban continuum remains unresolved. Herein, we leverage high-resolution maps for the entire contiguous United States of America to examine how built environment material stocks, service provisioning, and operational greenhouse gas (GHG) emissions scale with population size across the country. Results show that residential building footprints, i.e., the ground area covered by buildings, useful floor area, and material stocks scale moderately sub-linearly (scaling exponent β in the [0.82, 0.89] interval). Non-residential buildings and mobility infrastructure (area, materials) scale more strongly sub-linearly ( β in the [0.42, 0.74] interval). These patterns are robust across sensitivity tests. Furthermore, people living in high-density urban areas require less than half of per capita building footprints, mobility infrastructure area, total infrastructure mass, and residential on-road GHG emissions, compared to residents in low-density rural areas, demonstrating substantial environmental benefits of dense settlements.
🔗 Provenance — このレコードを発見したソース
- crossref https://doi.org/10.1007/s44498-026-00125-wfirst seen 2026-07-03 06:20:48
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