[1] MA Rong, ZHANG Junming, WANG Shengjie et al. Variation characteristics of snow cover days in winter in arid region of Northwest China in last 50 years. Journal of Natural Resources, 33, 127-138(2018).

[2] XIAO Pengfeng, FENG Xuezhi, XIE Shunping et al. Research progresses of high-resolution remote sensing of snow in Manasi River Basin in Tianshan Mountains， Xinjiang Province. Journal of Nanjing University（Natural Science Edition）, 51, 909-920(2015).

[3] HUANG Xiaodong, LI Xubing, LIU Changyu et al. Remote sensing inversion of snow cover extent and snow depth/snow water equivalent on the Qinghai-Tibet Plateau：Advance and challenge. Journal of Glaciology and Geocryology, 41, 1138-1149(2019).

[4] CAO Meisheng, JIN Rui. Monitoring sea lce concentration using remote sensing technique. Remote Sensing Technology and Application, 20, 259-264(2006).

[5] CHE T, LI X, JIN R et al. Assimilating passive microwave remote sensing data into a land surface model to improve the estimation of snow depth. Remote Sensing of Environment, 143, 54-63(2014).

[6] KWON Y, YANG Z L, HOAR T J et al. Improving the radiance assimilation performance in estimating snow water storage across snow and land-cover types in North America. Journal of Hydrometeorology, 18, 651-668(2017).

[7] QIN Dahe, DING Yongjian. Cryospheric changes and their impacts： Present， trends and key issues. Climate Change Research, 5, 187-195(2009).

[8] HORI M, SUGIURA K, KOBAYASHI K et al. A 38-year （1978-2015） Northern Hemisphere daily snow cover extent product derived using consistent objective criteria from satellite-borne optical sensors. Remote Sensing of Environment, 191, 402-418(2017).

[9] ROBINSON D A, DEWEY K F. Recent secular variations in the extent of Northen Hemisphere snow cover. Geophysical Research Letters, 17, 1557-1560(1990).

[10] PENG S, PIAO S, CIAIS P et al. Change in snow phenology and its potential feedback to temperature in the Northern Hemisphere over the last three decades. Environmental Research Letters, 8, 1880-1885(2013).

[11] XI Shuang, ZHANG Zhifu. Spatial and temporal analysis of snow cover in China in recent 50 years. Journal of Arid Meteorology, 31, 451-456(2013).

[12] WANG Hui, WANG Shengli, YU Xingjie et al. Spatial-temporal variation of snow cover in Xinjiang based on surface observation from 1961 to 2017. Journal of Glaciology and Geocryology, 42, 72-80(2020).

[13] XU Changchun, CHEN Yaning, LI Weihong et al. Climate change and lts lmpact on snow cover area in the Tarim River Basin over the last 45 years. Journal of Glaciology and Geo-cryology, 29, 183-190(2007).

[14] LIU Yan, RUAN Huihua, ZHANG Yunhui et al. Spatio-temporal characteristics of the snow cover ecllution in the Northern Region of Xinjiang over the period of 1961-2008. Resources Science, 34, 629-635(2012).

[15] LIU Junfeng, CHEN Rensheng. Validation of MODIS snow covered days by the combined using of MODIS Aqua and Terra snow cover products and in-situ observations all over China. Journal of Glaciology and Geocryology, 33, 504-511(2011).

[16] CHEN W, DING J, WANG J et al. Temporal and spatial variability in snow cover over the Xinjiang Uygur Autonomous Region，China，from 2001 to 2015. Peer J, 8, 1-27(2020).

[17] Chula SA, LIU Guixiang, BAO Gang et al. Sptial-temporal changes of snow cover in Xinjiang in recent 10 years. Science of Surveying and Mapping, 38, 72-74(2013).

[18] LOU Mengyun, LIU Zhihong, LOU Shaoming et al. Temporal and spatial distribution of snow cover in Xinjiang from 2002 to 2011. Journal of Glaciology and Geocryology, 35, 1095-1102(2013).

[19] LI Hong, LI Zhongqin, CHEN Puchen et al. Spatio-temporal variation of snow cover in Altai Mountains of Xinjiang in recent 20 years and its influencing factors. Arid Zone Research, 40, 1-15(2023).

[20] XU JH, SHU H. Assimilating MODIS-based albedo and snow cover fraction into the Common Land Model to improve snow depth simulation with direct insertion and deterministic ensemble Kalman filter methods. Journal of Geophysical Research-Atmospheres, 119, 10684-10701(2014).

[21] HUANG C L, MARGULIS S A, DURAND M T et al. Assessment of snow Grain-size model and stratigraphy representation impacts on snow radiance assimilation：Forward modeling evaluation. IEEE Transactions on Geoscience and Remote Sensing, 50, 4551-4564(2012).

[22] HALL D K. MODIS snow cower product. Remote Sensing of Environment, 39, 432-438(2002).

[23] WANG X W, XIE H J. New methods for studying the spatiotemporal variation of snow cover based on combination products of MODIS Terra and Aqua. Journal of Hydrology, 371, 192-200.

[24] LI Peiji, MI Desheng. Distribution of snow cover in China. Journal of Glaciology and Geocryology, 5, 9-18(1983).

[25] AN Di, LI Dongliang, YUAN Yun et al. Contrast between snow cover data of different definitions. Journal of Glaciology and Geocryology, 31, 1019-1027(2009).

[26] ZHAO Qin, HAO Xiaohua, HE Dongcai et al. The relationship between the temporal and spatial changes of snow cover and climate and vegetation in Northern Xinjiang from 1980 to 2019. Remote Sensing Technology and Application, 36, 1247-1258(2021).

[27] JIANG Kang, BAO Gang, WULAN Tuya et al. Spatiotemporal changes of snow cover in Mongolian Plateau based on MODIS data. Arid Land Geography, 42, 782-789(2019).