7- Akyurek zuhal and sorman A. Ûnal, 2002, Monitoring snow covered areas using NOAAAVHRR data in the eastern part of Turkey, Hydrological Sciences Journal des Sciences Hydrologiques, 47(2): 243-252.
8- Hang Zhou, Elena Aizen, VladimirAizen, 2016, Seasonal snow cover regime and historical change in Central Asia from 1986 to 2008, Global and Planetary Change Volume 148, Pages 192-216.
9- Jeppe K.Malmros, Sebastian H.Mernild, Ryan Wilson, TorbernTagesson, RasmusFensholt, 2018, Snow cover and snow albedo changes in the central Andes of Chile and Argentina from daily MODIS observations (2000–2016), Remote Sensing of Environment Volume 209, Pages 240-252.
10- Hang Z., Elena A., Vladimir A., 2013, deriving long term snow cover extent dataset from AVHRR and MODIS data: Central Asia case study, Remote Sensing of Environment, 136, 146–162.
11- Hüsler F., Fontana F., Neuhaus C., M., Jan Musial, Wunderle S., 2011, AVHRR archive and processing facility at the university of bern: a comprehensive 1 Km satellite data set for climate change studies, Earsel eProceedings 10: 83-101.
12- Hüsler. F., Jonas. T., Wunderle. S., Albrecht. S., 2012, Validation of a modified snow cover retrieval algorithm from historical 1-km AVHRR data over the European Alps, Remote Sensing of Environment, 121, 497–515.
13- Laura Poggio, Alessandro Gimona, 2015, Sequence-based mapping approach to spatio-temporal snow patternsfrom MODIS time-series applied to Scotland, International Journal of Applied Earth Observation and Geoinformation 34 (2015) 122–135.
14- LU, S., OKI K., Kenji, O., 2005, Mapping snow cover using AVHRR NDVI 10-daycomposite data, J. Agric. Meteorol, 60 (6): 1215-1218.
15- Metsämäki S., Pulliainen, J., Salminen, M., L. Kari, Wiesmann A., S. Rune, Böttcher, K., Hiltunen, M., Ripper, E., 2015, Introduction to GlobSnow Snow Extent products with considerations for accuracy assessment, Remote Sensing of Environment, 156, 96–108.
16- Shuai, Y., Masek, J., G., Feng, S. Crystal, B., H. Tao, 2014, An approach for the long-term 30-m land surface snow-free albedo retrieval from historic Landsat surface reflectance and MODIS-based a priori anisotropy knowledge, Remote Sensing of Environment, 152, 467–479.
17- Sirguey, P., M. Renaud, Arnaud, Y., 2009, Subpixel monitoring of the seasonal snow cover with MODIS at 250 m spatial resolution in the Southern Alps of New Zealand: Methodology and accuracy assessment, Remote Sensing of Environment, 113, 160–181.
18- Van de Griend, A. A., and Owe, M., 1993, On the relationship between thermal emissivity and the normalized difference vegetation index for natural surfaces, International Journal of Remote Sensing, Vol. 14, No. 6: 1119-1131.
19- Xiaona Chen, Di Long, Shunlin Liang, Lian He, Xiao huaHao Yang Hong, 2018, Developing a composite daily snow cover extent record over the Tibetan Plateau from 1981 to 2016 using multisource data, Remote Sensing of Environment Volume 215, Pages 284-299.
20- Yinsheng Zhang, Ning Ma,, 2018, Spatiotemporal variability of snow cover and snow water equivalent in the last three decades over Eurasia, Journal of Hydrology Volume 559, Pages 238-251.
21- Zhoua, X., Xieb, H., Hendrickx, J. M. H., 2005, Statistical Evaluation of Remotely Sensed Snow-Cover Products with Constraints from Streamflow and