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| DOI | 10.1126/science.1192546 |
| A determination of the cloud feedback from climate variations over the past decade | |
| Dessler A.E. | |
| 发表日期 | 2010 |
| ISSN | 0036-8075 |
| 起始页码 | 1523 |
| 结束页码 | 1527 |
| 卷号 | 330期号:6010 |
| 英文摘要 | Estimates of Earth's climate sensitivity are uncertain, largely because of uncertainty in the long-term cloud feedback. I estimated the magnitude of the cloud feedback in response to short-term climate variations by analyzing the top-of-atmosphere radiation budget from March 2000 to February 2010. Over this period, the short-term cloud feedback had a magnitude of 0.54 ± 0.74 (2σ) watts per square meter per kelvin, meaning that it is likely positive. A small negative feedback is possible, but one large enough to cancel the climate's positive feedbacks is not supported by these observations. Both long- and short-wave components of short-term cloud feedback are also likely positive. Calculations of short-term cloud feedback in climate models yield a similar feedback. I find no correlation in the models between the short- and long-term cloud feedbacks. |
| 英文关键词 | climate modeling; climate variation; cloud; estimation method; feedback mechanism; magnitude; observational method; sensitivity analysis; uncertainty analysis; article; climate change; cloud; greenhouse effect; positive feedback; priority journal; solar radiation |
| 语种 | 英语 |
| 来源期刊 | Science
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/243521 |
| 作者单位 | Department of Atmospheric Sciences, Texas A and M University, College Station, TX, United States |
| 推荐引用方式 GB/T 7714 | Dessler A.E.. A determination of the cloud feedback from climate variations over the past decade[J],2010,330(6010). |
| APA | Dessler A.E..(2010).A determination of the cloud feedback from climate variations over the past decade.Science,330(6010). |
| MLA | Dessler A.E.."A determination of the cloud feedback from climate variations over the past decade".Science 330.6010(2010). |
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