Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.5194/acp-19-15415-2019 |
Separating radiative forcing by aerosol-cloud interactions and rapid cloud adjustments in the ECHAM-HAMMOZ aerosol-climate model using the method of partial radiative perturbations | |
Muelmenstaedt, Johannes1,3; Gryspeerdt, Edward2; Salzmann, Marc1; Ma, Po-Lun3; Dipu, Sudhakar1; Quaas, Johannes1 | |
2019-12-17 | |
发表期刊 | ATMOSPHERIC CHEMISTRY AND PHYSICS
![]() |
ISSN | 1680-7316 |
EISSN | 1680-7324 |
出版年 | 2019 |
卷号 | 19期号:24页码:15415-15429 |
文章类型 | Article |
语种 | 英语 |
国家 | Germany; England; USA |
英文摘要 | Using the method of offline radiative transfer modeling within the partial radiative perturbation (PRP) approach, the effective radiative forcing by aerosol-cloud interactions (ERFaci) in the ECHAM-HAMMOZ aerosol climate model is decomposed into a radiative forcing by anthropogenic cloud droplet number change and adjustments of the liquid water path and cloud fraction. The simulated radiative forcing by anthropogenic cloud droplet number change and liquid water path adjustment are of approximately equal magnitude at -0.52 and -0.53 W m(-2), respectively, while the cloud-fraction adjustment is somewhat weaker at -0.31 W m(-2) (constituting 38 %, 39 %, and 23 % of the total ERFaci, respectively); geographically, all three ERFaci components in the simulation peak over China, the subtropical eastern ocean boundaries, the northern Atlantic and Pacific oceans, Europe, and eastern North America (in order of prominence). Spatial correlations indicate that the temporal-mean liquid water path adjustment is proportional to the temporal-mean radiative forcing, while the relationship between cloud-fraction adjustment and radiative forcing is less direct. While the estimate of warm-cloud ERFaci is relatively insensitive to the treatment of ice and mixed-phase cloud overlying warm cloud, there are indications that more restrictive treatments of ice in the column result in a low bias in the estimated magnitude of the liquid water path adjustment and a high bias in the estimated magnitude of the droplet number forcing. Since the present work is the first PRP decomposition of the aerosol effective radiative forcing into radiative forcing and rapid cloud adjustments, idealized experiments are conducted to provide evidence that the PRP results are accurate. The experiments show that using low-frequency (daily or monthly) time-averaged model output of the cloud property fields underestimates the ERF, but 3-hourly mean output is sufficiently frequent. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000503444400004 |
WOS关键词 | TECHNICAL NOTE ; MICROPHYSICS ; SENSITIVITY ; PARAMETERIZATION ; PRECIPITATION ; PERFORMANCE ; FEEDBACKS ; IMPACT ; ALBEDO ; GCM |
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/224141 |
专题 | 环境与发展全球科技态势 |
作者单位 | 1.Univ Leipzig, Inst Meteorol, Leipzig, Germany; 2.Imperial Coll London, Space & Atmospher Phys Grp, London, England; 3.Pacific Northwest Natl Lab, Richland, WA 99352 USA |
推荐引用方式 GB/T 7714 | Muelmenstaedt, Johannes,Gryspeerdt, Edward,Salzmann, Marc,et al. Separating radiative forcing by aerosol-cloud interactions and rapid cloud adjustments in the ECHAM-HAMMOZ aerosol-climate model using the method of partial radiative perturbations[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2019,19(24):15415-15429. |
APA | Muelmenstaedt, Johannes,Gryspeerdt, Edward,Salzmann, Marc,Ma, Po-Lun,Dipu, Sudhakar,&Quaas, Johannes.(2019).Separating radiative forcing by aerosol-cloud interactions and rapid cloud adjustments in the ECHAM-HAMMOZ aerosol-climate model using the method of partial radiative perturbations.ATMOSPHERIC CHEMISTRY AND PHYSICS,19(24),15415-15429. |
MLA | Muelmenstaedt, Johannes,et al."Separating radiative forcing by aerosol-cloud interactions and rapid cloud adjustments in the ECHAM-HAMMOZ aerosol-climate model using the method of partial radiative perturbations".ATMOSPHERIC CHEMISTRY AND PHYSICS 19.24(2019):15415-15429. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论