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Persistent longitudinal variations in 8years of CIPS/AIM polar mesospheric clouds
Liu, Xiao; Yue, Jia; Xu, Jiyao; Yuan, Wei; Russell, James M., III; Hervig, M. E.; Nakamura, Takuji; Liu, X (reprint author), Henan Normal Univ, Sch Math & Informat Sci, Henan Engn Lab Big Data Stat Anal & Optimal Contr, Xinxiang, Peoples R China.
Department空间科学部
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
2016
Volume121Issue:14Pages:8390-8409
ISSN2169-897X
Language英语
AbstractThe Cloud Imaging and Particle Size (CIPS) instrument on the Aeronomy of Ice in the Mesosphere (AIM) satellite provides an opportunity to study the longitudinal variation in polar mesospheric cloud (PMC). We examined the longitudinal variation in PMC albedo using 8years (2007-2014) of observations from the CIPS instrument. The results show that the PMC albedo in the Southern Hemisphere (SH), especially in the latitude band of 80 degrees S-85 degrees S, is persistently low (similar to 65% relative to the rest of the hemisphere) within 60 degrees W to 150 degrees W longitude. In the Northern Hemisphere (NH), however, PMC albedo is found to be relatively zonally asymmetry. Harmonic analyses show that the persistent longitudinal variation in the SH PMC albedo is due to zonal wave numbers 1 through 4 (WN1-WN4) processes with minima in the longitude range of 60 degrees W-150 degrees W. The influence of temperature and H2O on the longitudinal variation of the PMC albedo is discussed based on results obtained using a simple 0-D PMC model and temperature from the Microwave Limb Sounder (MLS) and the Sounding of the Atmosphere with Broadband Emission Radiometry (SABER) and H2O from MLS. The modeled region of low ice mass in the SH is generally consistent with that of low PMC albedo seen in CIPS. Tidal analyses using the SABER temperatures indicate that the nonmigrating semidiurnal tides with modes of S0, W1, and E1 might be the main drivers of the persistent longitudinal variations of PMC albedo in the SH. Nonmigrating tides are much weaker in the NH and consistent with the observed lack of longitudinal variability in PMC albedo.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5677
Collection空间科学部
Corresponding AuthorLiu, X (reprint author), Henan Normal Univ, Sch Math & Informat Sci, Henan Engn Lab Big Data Stat Anal & Optimal Contr, Xinxiang, Peoples R China.
Recommended Citation
GB/T 7714
Liu, Xiao,Yue, Jia,Xu, Jiyao,et al. Persistent longitudinal variations in 8years of CIPS/AIM polar mesospheric clouds[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2016,121(14):8390-8409.
APA Liu, Xiao.,Yue, Jia.,Xu, Jiyao.,Yuan, Wei.,Russell, James M., III.,...&Liu, X .(2016).Persistent longitudinal variations in 8years of CIPS/AIM polar mesospheric clouds.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,121(14),8390-8409.
MLA Liu, Xiao,et al."Persistent longitudinal variations in 8years of CIPS/AIM polar mesospheric clouds".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 121.14(2016):8390-8409.
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