Continuous All-Sky Cloud Measurements: Cloud Fraction Analysis Based on a Newly Developed Instrument

Christine Aebi1,2, Julian Groebner2, Niklaus Kaempfer1 and Laurent Vuilleumier3, (1)Oeschger Center for Climate Change Research and Institute of Applied Physics, University of Bern, Bern, Switzerland, (2)PMOD WRC Physical Meteorological Observatory Davos and World Radiation Center, Davos Dorf, Switzerland, (3)MeteoSwiss, Payerne, Switzerland