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Airport pavement roughness as an overlooked driver of aviation carbon emissions: global implications from Chinese airports Affiliations

空港舗装の粗さが航空炭素排出に見落とされた要因であること：中国空港からの世界的な示唆 (AI 翻訳)

Liu S, Sun Z, Ling J, Gao Z, Wang H, Hou T, Xing X, Tian Y, Mao W, Tao Z

Research Squareプレプリント2026-06-19#エネルギー転換Origin: CN経営インパクト: コスト削減対象セクター: transport
DOI: 10.21203/rs.3.rs-9933781/v1
原典: https://doi.org/10.21203/rs.3.rs-9933781/v1

🤖 gxceed AI 要約

日本語

舗装の粗さが航空機のタキシング時のエネルギー消費を増加させ、予想以上のCO2排出を引き起こすことを、中国の約80%の空港の25年間データで実証。炭素条件指数（CCI）を開発し、その管理で排出量を半減可能と推定。世界的に適用すれば、従来評価の10～30%に圧縮できると示唆。

English

Using 25 years of roughness data from ~80% of Chinese airports, this study shows pavement roughness increases aircraft taxiing fuel consumption and CO2 emissions by over 5×10^7 g annually. A Carbon Condition Index (CCI) is proposed; implementing CCI-based management can halve these emissions. Global adoption could reduce related emissions to 10-30% of conventional projections.

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

日本は多くの空港を抱え、舗装修繕がコスト削減と排出削減に直結する可能性がある。SSBJや有報でのインフラ管理の開示が進む中、具体的な対策指標としてCCIは有用。

In the global GX context

Globally, airport pavement roughness is a neglected emission source. This study provides a low-cost, immediately deployable tool (CCI) for ground-operation decarbonization, complementing TCFD/ISSB-aligned infrastructure management and offering a pathway for airports worldwide to reduce emissions without fleet changes.

👥 読者別の含意

🔬研究者:A novel mechanism linking infrastructure condition to aviation emissions, with a new index (CCI) for pavement management.

🏢実務担当者:The Carbon Condition Index can be used by airport operators to prioritize pavement maintenance for emission reductions.

🏛政策担当者:Infrastructure condition should be integrated into aviation decarbonization strategies; CCI offers a simple metric for regulation.

📄 Abstract（原文）

<title>Abstract</title> <p> Aviation is one of the hardest sectors to decarbonize, yet the emissions implications of airport infrastructure remain largely overlooked. This study demonstrates that pavement roughness amplifies aircraft energy consumption during taxiing through coupled aircraft–pavement vibrations, generating persistent and previously unquantified increments in carbon emissions. Using 25 years of roughness data covering approximately 80% of civil airports in China, national-scale estimates indicate more than 5×10 <sup>7</sup> g of additional CO₂ annually, alongside increases in NO <sub>x</sub> and nvPM that heighten local health risks. To operationalize this mechanism for routine pavement management, a Carbon Condition Index (CCI) is developed from routinely collected elevation data. Implementing CCI-based management reduces roughness-induced emissions by more than half without altering operations or fleet composition. Global extrapolation suggests that adopting CCI could compress related emissions to 10–30% of those projected under conventional evaluation frameworks. Our findings highlight the critical role of infrastructure condition in aviation decarbonization and provide a low-cost, immediately implementable pathway for mitigating ground-operation emissions. </p>

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