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| DOI | 10.1088/2515-7620/ad11ab |
| A scalable system to measure contrail formation on a per-flight basis | |
| 发表日期 | 2024 |
| ISSN | 2515-7620 |
| 起始页码 | 6 |
| 结束页码 | 1 |
| 卷号 | 6期号:1 |
| 英文摘要 | Persistent contrails make up a large fraction of aviation's contribution to global warming. We describe a scalable, automated detection and matching (ADM) system to determine from satellite data whether a flight has made a persistent contrail. The ADM system compares flight segments to contrails detected by a computer vision algorithm running on images from the GOES-16 Advanced Baseline Imager. We develop a flight matching algorithm and use it to label each flight segment as a match or non-match. We perform this analysis on 1.6 million flight segments. The result is an analysis of which flights make persistent contrails several orders of magnitude larger than any previous work. We assess the agreement between our labels and available prediction models based on weather forecasts. Shifting air traffic to avoid regions of contrail formation has been proposed as a possible mitigation with the potential for very low cost/ton-CO2e. Our findings suggest that imperfections in these prediction models increase this cost/ton by about an order of magnitude. Contrail avoidance is a cost-effective climate change mitigation even with this factor taken into account, but our results quantify the need for more accurate contrail prediction methods and establish a benchmark for future development. |
| 英文关键词 | climate change; aviation; remote sensing |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS类目 | Environmental Sciences |
| WOS记录号 | WOS:001144946300001 |
| 来源期刊 | ENVIRONMENTAL RESEARCH COMMUNICATIONS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/287666 |
| 作者单位 | Google Incorporated; Massachusetts Institute of Technology (MIT) |
| 推荐引用方式 GB/T 7714 | . A scalable system to measure contrail formation on a per-flight basis[J],2024,6(1). |
| APA | (2024).A scalable system to measure contrail formation on a per-flight basis.ENVIRONMENTAL RESEARCH COMMUNICATIONS,6(1). |
| MLA | "A scalable system to measure contrail formation on a per-flight basis".ENVIRONMENTAL RESEARCH COMMUNICATIONS 6.1(2024). |
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