GSTDTAP  > 气候变化
DOI10.1002/2016JD026407
Correlations of oriented ice and precipitation in marine midlatitude low clouds using collocated CloudSat, CALIOP, and MODIS observations
Ross, Alexa1; Holz, Robert E.1; Ackerman, Steven A.1,2
2017-08-16
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
EISSN2169-8996
出版年2017
卷号122期号:15
文章类型Article
语种英语
国家USA
英文摘要

In April 2006, the Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) launched aboard the CALIPSO satellite and into the A-Train constellation of satellites with its transmitter pointed near nadir. This proved problematic due to specular reflection from horizontally oriented ice crystals occurring more frequently than expected. Because the specular backscatter from oriented ice crystals has large attenuated backscatter and almost no depolarization, the standard lidar inversions cannot be applied. To mitigate this issue, the CALIOP transmitter was moved to 3 degrees off nadir in November 2007. Though problematic for global CALIOP retrievals, the sensitivity to oriented ice during the first year of observations provides a unique data set to investigate scenes of this ice crystal signature. This study focuses on the CALIOP-oriented signature that occurs in midlatitude ocean regions whose cloud tops are relatively warm and low, existing below 6km. A significant seasonal dependence is found in the Northern Hemisphere with up to 19% of clouds below 6km yielding specular reflection by CALIOP during the colder months. In contrast, the Southern Hemisphere lacks such seasonal dependence and sees fewer oriented ice crystals. Using collocated CloudSat observations with both CALIOP and Moderate Resolution Imaging Spectroradiometer (MODIS), we investigate the correlations of the oriented signature with MODIS cloud properties. Comparing with CloudSat precipitation retrievals, we find that the oriented signature is strongly correlated with surface precipitation with 64% of CALIOP-oriented ice crystal cases precipitating compared to 40% for nonoriented cases.


英文关键词clouds precipitation remote sensing
领域气候变化
收录类别SCI-E
WOS记录号WOS:000408349500022
WOS关键词ALGORITHM ; PRODUCTS ; CRYSTALS ; EXAMPLES ; TERRA
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/33255
专题气候变化
作者单位1.Univ Wisconsin, Cooperat Inst Meteorol Satellite Studies, Madison, WI 53706 USA;
2.Univ Wisconsin, Dept Atmospher Ocean & Space Sci, Madison, WI USA
推荐引用方式
GB/T 7714
Ross, Alexa,Holz, Robert E.,Ackerman, Steven A.. Correlations of oriented ice and precipitation in marine midlatitude low clouds using collocated CloudSat, CALIOP, and MODIS observations[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(15).
APA Ross, Alexa,Holz, Robert E.,&Ackerman, Steven A..(2017).Correlations of oriented ice and precipitation in marine midlatitude low clouds using collocated CloudSat, CALIOP, and MODIS observations.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,122(15).
MLA Ross, Alexa,et al."Correlations of oriented ice and precipitation in marine midlatitude low clouds using collocated CloudSat, CALIOP, and MODIS observations".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 122.15(2017).
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Ross, Alexa]的文章
[Holz, Robert E.]的文章
[Ackerman, Steven A.]的文章
百度学术
百度学术中相似的文章
[Ross, Alexa]的文章
[Holz, Robert E.]的文章
[Ackerman, Steven A.]的文章
必应学术
必应学术中相似的文章
[Ross, Alexa]的文章
[Holz, Robert E.]的文章
[Ackerman, Steven A.]的文章
相关权益政策
暂无数据
收藏/分享
所有评论 (0)
暂无评论
 

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。