Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2021GL094130 |
Polar amplification in idealized climates: the role of ice, moisture, and seasons | |
Nicole Feldl; Timothy M. Merlis | |
2021-08-18 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2021 |
英文摘要 | The drivers of polar amplification are investigated by isolating the role of sea-ice processes, moist energy transport, and the seasonal cycle of insolation in two models, an energy balance model and an idealized general circulation model. Compared to a simple ice-albedo feedback (temperature-dependent surface albedo), the addition of thermodynamic-ice processes and the seasonal cycle of insolation profoundly affects seasonal polar warming. Climatologically limited-extent ice in the warm season permits only small increases in absorbed solar radiation, producing weak warming, while thick, cold ice in the cold season enables a large radiatively forced response. Despite this enhanced winter warming, the annual-mean polar amplification is modestly reduced by thermodynamic-ice processes. When latent heat transport is disabled, polar amplification is further reduced by a factor of 1.8 across the range of ice representations, suggestive of a nearly additive warming by ice and moist-transport processes. |
领域 | 气候变化 |
URL | 查看原文 |
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/335949 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Nicole Feldl,Timothy M. Merlis. Polar amplification in idealized climates: the role of ice, moisture, and seasons[J]. Geophysical Research Letters,2021. |
APA | Nicole Feldl,&Timothy M. Merlis.(2021).Polar amplification in idealized climates: the role of ice, moisture, and seasons.Geophysical Research Letters. |
MLA | Nicole Feldl,et al."Polar amplification in idealized climates: the role of ice, moisture, and seasons".Geophysical Research Letters (2021). |
条目包含的文件 | 条目无相关文件。 |
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