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DOI | 10.1029/2020GL088978 |
High sensitivity of Arctic black carbon radiative effects to subgrid vertical velocity in aerosol activation | |
Hitoshi Matsui; Nobuhiro Moteki | |
2020-07-29 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2020 |
英文摘要 | The representation of aerosol activation into cloud droplets in climate models is important for accurate understanding of aerosol radiative impacts on the Arctic climate, but it remains highly uncertain. Here we show that the uncertainty range of subgrid vertical velocity (SVV) and maximum supersaturation (SSmax) in aerosol activation produces fourfold to fivefold differences in the direct radiative effect of black carbon (BC) in the Arctic (0.091–0.40 W m–2) because SVV and SSmax determine the activated fraction and wet removal efficiency of aerosols. Aerosols are particularly sensitive to SVV in remote regions, but not near their sources because many aerosols near sources are not yet influenced by wet removal processes. Our results demonstrate that SVV treatment is a major source of uncertainty in Arctic aerosol simulations and may be key for reducing the large discrepancies among global models in estimates of BC and its radiative effects in the Arctic. |
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/286643 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Hitoshi Matsui,Nobuhiro Moteki. High sensitivity of Arctic black carbon radiative effects to subgrid vertical velocity in aerosol activation[J]. Geophysical Research Letters,2020. |
APA | Hitoshi Matsui,&Nobuhiro Moteki.(2020).High sensitivity of Arctic black carbon radiative effects to subgrid vertical velocity in aerosol activation.Geophysical Research Letters. |
MLA | Hitoshi Matsui,et al."High sensitivity of Arctic black carbon radiative effects to subgrid vertical velocity in aerosol activation".Geophysical Research Letters (2020). |
条目包含的文件 | 条目无相关文件。 |
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