[6] D Spangenberg, V Chakrapani, D Doelling et al. Development of an automated Arctic cloud mask using clear-sky satellite observations taken over the SHEBA and ARM NSA sites(2001).
[8] P Minnis, K Bedka, the NOAA CDR Program . NOAA Climate Data Record (CDR) of Cloud and Clear-Sky Radiation Properties, Version1.0. NOAA National Centers for Environmental Information:(2015).
[9] D Spangenberg, D Doelling, V Chakrapani et al. Nighttime cloud detection over the Arctic using AVHRR data, 1-13(2002).
[13] J Key. The AVHRR polar pathfinder climate data records. Remote Sensing, 8, 167(2016).
[23] Jian LIU, Jian-Min XU, Zong-Yi FANG. Analysis of the cloud properties using NOAA AVHRR data. Journal of Applied Meteorological Science, 9, 449(1998).