Cloud fractions estimated from shipboard whole-sky camera and ceilometer observations

Makoto Kuji1, Risa Fujimoto1, Mayu Miyagawa1, Ryoko Funada1, Masahiro Hori2, Hiroshi Kobayashi3, Seizi Koga4, Junji Matsushita5 and Masataka Shiobara6, (1)Nara Women's University, Nara, Japan, (2)JAXA Japan Aerospace Exploration Agency, Tsukuba, Japan, (3)University of Yamanashi, Department of Environmental Sciences, Yamanashi, Japan, (4)AIST, Tsukuba, Japan, (5)NIPR, Tachikawa, Japan, (6)NIPR National Institute of Polar Research, Tokyo, Japan