GSTDTAP  > 气候变化
DOI10.1002/2017JD026725
Cloud occurrences and cloud radiative effects (CREs) from CERES-CALIPSO-CloudSat-MODIS (CCCM) and CloudSat radar-lidar (RL) products
Ham, Seung-Hee1; 39;Ecuyer, Tristan2
2017-08-27
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
EISSN2169-8996
出版年2017
卷号122期号:16
文章类型Article
语种英语
国家USA
英文摘要

Two kinds of cloud products obtained from Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO), CloudSat, and Moderate Resolution Imaging Spectroradiometer (MODIS) are compared and analyzed in this study: Clouds and the Earth's Radiant Energy System (CERES)-CALIPSO-CloudSat-MODIS (CCCM) product and CloudSat radar-lidar products such as GEOPROF-LIDAR and FLXHR-LIDAR. Compared to GEOPROF-LIDAR, low-level (< 1 km) cloud occurrences in CCCM are larger over tropical oceans because the CCCM algorithm uses a more relaxed threshold of cloud-aerosol discrimination score for CALIPSO Vertical Feature Mask product. In contrast, midlevel (1-8 km) cloud occurrences in GEOPROF-LIDAR are larger than CCCM at high latitudes (>40 degrees). The difference occurs when hydrometeors are detected by CALIPSO lidar but are undetected by CloudSat radar. In the comparison of cloud radiative effects (CREs), global mean differences between CCCM and FLXHR-LIDAR are mostly smaller than 5 W m(-2), while noticeable regional differences are found. For example, CCCM shortwave (SW) and longwave (LW) CREs are larger than FXLHR-LIDAR along the west coasts of Africa and America because the GEOPROF-LIDAR algorithm misses shallow marine boundary layer clouds. In addition, FLXHR-LIDAR SW CREs are larger than the CCCM counterpart over tropical oceans away from the west coasts of America. Over midlatitude storm-track regions, CCCM SW and LW CREs are larger than the FLXHR-LIDAR counterpart.


领域气候变化
收录类别SCI-E
WOS记录号WOS:000416382800027
WOS关键词ANGULAR-DISTRIBUTION MODELS ; ENERGY SYSTEM INSTRUMENT ; K-DISTRIBUTION METHOD ; A-TRAIN ; RETRIEVAL METHODS ; FLUX CALCULATION ; TERRA SATELLITE ; ATMOSPHERE ; ICE ; ALGORITHM
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/33619
专题气候变化
作者单位1.Sci Syst & Applicat Inc, Hampton, VA 23666 USA;
2.NASA, Langley Res Ctr, Hampton, VA 23665 USA;
3.Univ Wisconsin, Dept Atmospher & Ocean Sci, Madison, WI USA;
4.Univ Utah, Atmospher Sci, Salt Lake City, UT USA
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Ham, Seung-Hee,39;Ecuyer, Tristan. Cloud occurrences and cloud radiative effects (CREs) from CERES-CALIPSO-CloudSat-MODIS (CCCM) and CloudSat radar-lidar (RL) products[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(16).
APA Ham, Seung-Hee,&39;Ecuyer, Tristan.(2017).Cloud occurrences and cloud radiative effects (CREs) from CERES-CALIPSO-CloudSat-MODIS (CCCM) and CloudSat radar-lidar (RL) products.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,122(16).
MLA Ham, Seung-Hee,et al."Cloud occurrences and cloud radiative effects (CREs) from CERES-CALIPSO-CloudSat-MODIS (CCCM) and CloudSat radar-lidar (RL) products".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 122.16(2017).
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