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| DOI | 10.1029/2020GL090682 |
| On the Estimation of In-Cloud Vertical Air Motion Using Radar Doppler Spectra | |
| Zhu Z.; Kollias P.; Yang F.; Luke E. | |
| 发表日期 | 2021 |
| ISSN | 0094-8276 |
| 卷号 | 48期号:1 |
| 英文摘要 | Measurements of in-cloud vertical air motion are key to quantitatively describe cloud dynamics and their role in cloud microphysics. Here, a retrieval technique for estimating the in-cloud vertical air motion using the upward edge of the radar Doppler spectrum is presented. An additional broadening correction factor that depends on the signal-to-noise ratio (SNR) is introduced. A variety of independent measurements are used to assess the performance of the new technique. The vertical air motion is unbiased with an uncertainty of 0.2 m s−1 for SNR <30. The properties of in-cloud vertical air motion are investigated from 1 year of ground-based observations of warm marine boundary layer clouds. Clouds with higher LWP are characterized by stronger vertical air motions compared to those having lower LWP values. © 2020. American Geophysical Union. All Rights Reserved. |
| 英文关键词 | Boundary layers; Doppler effect; Radar; Cloud microphysics; Correction factors; Doppler spectra; Ground-based observations; Independent measurement; Marine boundary layer clouds; Measurements of; Retrieval techniques; Signal to noise ratio |
| 语种 | 英语 |
| 来源期刊 | Geophysical Research Letters
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/169265 |
| 作者单位 | School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY, United States; Environmental and Climate Sciences Department, Brookhaven National Laboratory UptonNY, United States |
| 推荐引用方式 GB/T 7714 | Zhu Z.,Kollias P.,Yang F.,et al. On the Estimation of In-Cloud Vertical Air Motion Using Radar Doppler Spectra[J],2021,48(1). |
| APA | Zhu Z.,Kollias P.,Yang F.,&Luke E..(2021).On the Estimation of In-Cloud Vertical Air Motion Using Radar Doppler Spectra.Geophysical Research Letters,48(1). |
| MLA | Zhu Z.,et al."On the Estimation of In-Cloud Vertical Air Motion Using Radar Doppler Spectra".Geophysical Research Letters 48.1(2021). |
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