Vertical profile of cloud and radiation budget observed by satellite

Tadahiro Hayasaka; Ayano Mitsui; Naoya Takahashi

Presentation information

International Session (Oral)

Symbol A (Atmospheric and Hydrospheric Sciences) » A-CG Complex & General

[A-CG10] Earth and Planetary satellite observation projects Part II: Satellite Earth Environment Observation

Mon. May 23, 2016 3:30 PM - 5:00 PM 303 (3F)

Convener:*Riko Oki(Japan Aerospace Exploration Agency), Tadahiro Hayasaka(Graduate School of Science, Tohoku University), Kaoru Sato(Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo), Masaki Satoh(Atmosphere and Ocean Research Institute, The University of Tokyo), Yoshiaki HONDA(Center for Environmental Remote Sensing, Chiba University), Kenlo Nasahara(Faculty of Life and Environmental Sciences, University of Tsukuba), Takashi Nakajima(Tokai University, School of Information Science & Technology, Dept. of Human & Information Science), Taikan Oki(Institute of Industrial Science, The University of Tokyo), Tsuneo Matsunaga(Center for Environmental Measurement and Analysis, National Institute for Environmental Studies), Yukari Takayabu(Atmosphere and Ocean Research Institute, the University of Tokyo), Hiroshi Murakami(Earth Observation Research Center, Japan Aerospace Exploration Agency), Hajime Okamoto(Kyusyu University), Gail Skofronick Jackson(NASA Goddard Space Flight Center), Paul Chang(NOAA College Park), David Crisp(Jet Propulsion Laboratory, California Institute of Technology), Chair:Paul Chang(NOAA College Park), Taikan Oki(Institute of Industrial Science, The University of Tokyo)

4:45 PM - 5:00 PM

[ACG10-12] Vertical profile of cloud and radiation budget observed by satellite

*Tadahiro Hayasaka¹, Ayano Mitsui¹, Naoya Takahashi¹ (1.Graduate School of Science, Tohoku University)

Keywords:cloud, radiation, satellite

Vertical profile of cloud is obtained from space-borne active sensors such as CPR/CloudSat and CALIOP/CALIPSO. We used three CloudSat products, 2B-GEOPROF-LIDAR, 2B-TAU, and 2B-FLXHR-LIDAR to reveal spatial and seasonal properties of clouds. Cloud vertical profiles are classified into 10 types referred to ISCCP. Obtained cloud profiles are discussed with meteorological and sea surface conditions such as wind, water vapor surface air temperature and sea surface temperature. The results show that a combination of low-cloud and high-cloud is frequently observed in tropical and mid-latitude regions and these clouds are formed according to different mechanisms. It is also shown that overlapping of cloud affect longwave radiation budget at the top of the atmosphere. Overlying cloud decreases the cooling rate at the uppermost layer of low-cloud, and it affect the formation and dissipation of low-cloud. In the analysis of three data products, some inconsistency was found, which was attributed to unsuccessful retrieval of cloud water content and effective radius of cloud particle. Therefore, it is noted that quantitative evaluation of the product is critical to application of these cloud data to radiation and climate change studies.