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DOI | 10.1088/1748-9326/aae98d |
Stratospheric aerosol injection tactics and costs in the first 15 years of deployment | |
Smith, Wake1,2; Wagner, Gernot3 | |
2018-12-01 | |
发表期刊 | ENVIRONMENTAL RESEARCH LETTERS |
ISSN | 1748-9326 |
出版年 | 2018 |
卷号 | 13期号:12 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | We review the capabilities and costs of various lofting methods intended to deliver sulfates into the lower stratosphere. We lay out a future solar geoengineering deployment scenario of halving the increase in anthropogenic radiative forcing beginning 15 years hence, by deploying material to altitudes as high as similar to 20 km. After surveying an exhaustive list of potential deployment techniques, we settle upon an aircraft-based delivery system. Unlike the one prior comprehensive study on the topic (McClellan et al 2012 Environ. Res. Lett. 7 034019), we conclude that no existing aircraft design-even with extensive modifications-can reasonably fulfill this mission. However, we also conclude that developing a new, purpose-built high-altitude tanker with substantial payload capabilities would neither be technologically difficult nor prohibitively expensive. We calculate early-year costs of similar to$1500 ton(-1) of material deployed, resulting in average costs of similar to$2.25 billion yr(-1) over the first 15 years of deployment. We further calculate the number of flights at similar to 4000 in year one, linearly increasing by similar to 4000 yr(-1). We conclude by arguing that, while cheap, such an aircraft-based program would unlikely be a secret, given the need for thousands of flights annually by airliner-sized aircraft operating from an international array of bases. |
英文关键词 | solar geoengineering albedo modification solar radiation management high-altitude aircraft |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000451021500001 |
WOS关键词 | CLIMATE ; SCIENCE |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/33238 |
专题 | 气候变化 |
作者单位 | 1.Yale Univ, Trumbull Coll, New Haven, CT USA; 2.Yale Coll, New Haven, CT USA; 3.Harvard Univ, Ctr Environm, 26 Oxford St, Cambridge, MA 02138 USA |
推荐引用方式 GB/T 7714 | Smith, Wake,Wagner, Gernot. Stratospheric aerosol injection tactics and costs in the first 15 years of deployment[J]. ENVIRONMENTAL RESEARCH LETTERS,2018,13(12). |
APA | Smith, Wake,&Wagner, Gernot.(2018).Stratospheric aerosol injection tactics and costs in the first 15 years of deployment.ENVIRONMENTAL RESEARCH LETTERS,13(12). |
MLA | Smith, Wake,et al."Stratospheric aerosol injection tactics and costs in the first 15 years of deployment".ENVIRONMENTAL RESEARCH LETTERS 13.12(2018). |
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