Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2017JD026629 |
New insights about cloud vertical structure from CloudSat and CALIPSO observations | |
Oreopoulos, Lazaros1; Cho, Nayeong1,2; Lee, Dongmin1,3 | |
2017-09-16 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
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ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2017 |
卷号 | 122期号:17 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Active cloud observations from A-Train's CloudSat and CALIPSO satellites offer new opportunities to examine the vertical structure of hydrometeor layers. We use the 2B-CLDCLASS-LIDAR merged CloudSat-CALIPSO product to examine global aspects of hydrometeor vertical stratification. We group the data into major cloud vertical structure (CVS) classes based on our interpretation of how clouds in three standard atmospheric layers overlap and provide their global frequency of occurrence. The two most frequent CVS classes are single-layer (per our definition) low and high clouds that represent similar to 53% of cloudy skies, followed by high clouds overlying low clouds, and vertically extensive clouds that occupy near-contiguously a large portion of the troposphere. The prevalence of these configurations changes seasonally and geographically, between daytime and nighttime, and between continents and oceans. The radiative effects of the CVS classes reveal the major radiative warmers and coolers from the perspective of the planet as a whole, the surface, and the atmosphere. Single-layer low clouds dominate planetary and atmospheric cooling and thermal infrared surface warming. We also investigate the consistency between passive and active views of clouds by providing the CVS breakdowns of Moderate Resolution Imaging Spectroradiometer cloud regimes for spatiotemporally coincident MODIS-Aqua (also on the A-Train) and CloudSat-CALIPSO daytime observations. When the analysis is expanded for a more in-depth look at the most heterogeneous of the MODIS cloud regimes, it ultimately confirms previous interpretations of their makeup that did not have the benefit of collocated active observations. Plain Language Summary We use observations from so-called "active" sensors (satellite instruments emitting pulses of radiation toward Earth) in order to derive, classify, and understand how clouds are stratified vertically in the atmosphere. The stratification is important for the Earth's energy budget. We show how the various major cloud vertical structures affect the propagation of solar and thermal radiation. We also examine the composition of recurring cloud systems observed from so-called "passive" sensors (satellite instruments receiving from the Earth naturally reflected or emitted radiation) in terms of the cloud vertical configurations they contain. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000416387300020 |
WOS关键词 | SEA-SURFACE TEMPERATURE ; A-TRAIN ; OPTICAL-PROPERTIES ; RADIATIVE IMPACTS ; WEATHER STATES ; OVERLAP ; REGIMES ; PRECIPITATION ; MULTILAYER ; ATMOSPHERE |
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/32929 |
专题 | 气候变化 |
作者单位 | 1.NASA GSFC, Earth Sci Div, Greenbelt, MD 20771 USA; 2.USRA, Columbia, MD USA; 3.Morgan State Univ, Baltimore, MD 21239 USA |
推荐引用方式 GB/T 7714 | Oreopoulos, Lazaros,Cho, Nayeong,Lee, Dongmin. New insights about cloud vertical structure from CloudSat and CALIPSO observations[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(17). |
APA | Oreopoulos, Lazaros,Cho, Nayeong,&Lee, Dongmin.(2017).New insights about cloud vertical structure from CloudSat and CALIPSO observations.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,122(17). |
MLA | Oreopoulos, Lazaros,et al."New insights about cloud vertical structure from CloudSat and CALIPSO observations".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 122.17(2017). |
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