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DOI | 10.1175/JCLI-D-18-0293.1 |
Analysis of the Global Microwave Polarization Data of Clouds | |
Zeng, Xiping1,2; Skofronick-Jackson, Gail2; Tian, Lin2,3; Emory, Amber E.2; Olson, William S.2,4; Kroodsma, Rachael A.5,6 | |
2019 | |
发表期刊 | JOURNAL OF CLIMATE
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ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2019 |
卷号 | 32期号:1页码:3-13 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Information about the characteristics of ice particles in clouds is necessary for improving our understanding of the states, processes, and subsequent modeling of clouds and precipitation for numerical weather prediction and climate analysis. Two NASA passive microwave radiometers, the satellite-borne Global Precipitation Measurement (GPM) Microwave Imager (GMI) and the aircraft-borne Conical Scanning Millimeter-Wave Imaging Radiometer (CoSMIR), measure vertically and horizontally polarized microwaves emitted by clouds (including precipitating particles) and Earth's surface below. In this paper, GMI (or CoSMIR) data are analyzed with CloudSat (or aircraft-borne radar) data to find polarized difference (PD) signals not affected by the surface, thereby obtaining the information on ice particles. Statistical analysis of 4 years of GMI and CloudSat data, for the first time, reveals that optically thick clouds contribute positively to GMI PD at 166 GHz over all the latitudes and their positive magnitude of 166-GHz GMI PD varies little with latitude. This result suggests that horizontally oriented ice crystals in thick clouds are common from the tropics to high latitudes, which contrasts the result of Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) that horizontally oriented ice crystals are rare in optically thin ice clouds. |
英文关键词 | Clouds Cloud microphysics Ice crystals Microwave observations Radars Radar observations |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000452132400001 |
WOS关键词 | SINGLE-SCATTERING PROPERTIES ; RADIATIVE-TRANSFER ; ICE PARTICLES ; CALIPSO OBSERVATIONS ; PASSIVE MICROWAVE ; TROPICAL CLOUD ; PRECIPITATION ; CRYSTALS ; APPROXIMATION ; COSMIR |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | 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/20861 |
专题 | 气候变化 |
作者单位 | 1.US Army Res Lab, Atmospher Modeling Branch, Adelphi, MD 20783 USA; 2.NASA, Goddard Space Flight Ctr, Mesoscale Atmospher Proc Lab, Greenbelt, MD 20771 USA; 3.Morgan State Univ, Goddard Earth Sci Technol & Res, Baltimore, MD 21239 USA; 4.Univ Maryland, Joint Ctr Earth Syst Technol, Baltimore, MD 21201 USA; 5.Univ Maryland, Earth Syst Sci Interdisciplinary Ctr, College Pk, MD 20742 USA; 6.NASA, Goddard Space Flight Ctr, Precipitat Proc Syst, Greenbelt, MD USA |
推荐引用方式 GB/T 7714 | Zeng, Xiping,Skofronick-Jackson, Gail,Tian, Lin,et al. Analysis of the Global Microwave Polarization Data of Clouds[J]. JOURNAL OF CLIMATE,2019,32(1):3-13. |
APA | Zeng, Xiping,Skofronick-Jackson, Gail,Tian, Lin,Emory, Amber E.,Olson, William S.,&Kroodsma, Rachael A..(2019).Analysis of the Global Microwave Polarization Data of Clouds.JOURNAL OF CLIMATE,32(1),3-13. |
MLA | Zeng, Xiping,et al."Analysis of the Global Microwave Polarization Data of Clouds".JOURNAL OF CLIMATE 32.1(2019):3-13. |
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