[1] [1] Oki T, Kanae S. Global hydrological cycles and world water resources[J]. Science, 2006, 313(5790): 1068-1072.

[2] [2] Liang X, Li P, Wang J, et al. Research progress of desertification and its prevention in Mongolia[J]. Sustainability, 2021, 13(12): 6861.

[3] [3] Zou Z, Dong J, Menarguez M A, et al. Continued decrease of open surface water body area in Oklahoma during 1984-2015[J]. Sci Total Environ, 2017, 595: 451-460.

[4] [4] Tao S, Fang J, Zhao X, et al. Rapid loss of lakes on the Mongolian Plateau[J]. Proc Natl Acad Sci USA, 2015, 112(7): 2281-2286.

[6] [6] Frazier P S, Page K J. Water body detection and delineation with Landsat TM data[J]. Photogramm Eng Remote Sensing, 2000, 66(12): 1461-1468.

[7] [7] Li Y, Niu Z, Xu Z, et al. Construction of high spatial-temporal water body dataset in China based on Sentinel-1 archives and GEE[J]. Remote Sensing, 2020, 12(15): 2413.

[8] [8] Zhou S, Kan P, Silbernagel J, et al. Application of image segmentation in surface water extraction of freshwater lakes using radar data[J]. ISPRS Int J Geoinf, 2020, 9(7): 424.

[10] [10] Gunin P D, Vostokova E A, Dorofeyuk N I, et al. Vegetation dynamics of Mongolia[M]. Berlin: Springer Science & Business Media, 2013.

[11] [11] Pettorelli N, Vik J O, Mysterud A, et al. Using the satellite-derived NDVI to assess ecological responses to environmental change[J]. Trends Ecol Evol, 2005, 20(9): 503-510.

[12] [12] Galvao L S, Dos Santos J R, Roberts D A, et al. On intra-annual EVI variability in the dry season of tropical forest: A case study with MODIS and hyperspectral data[J]. Remote Sensing of Environment, 2011, 115(9): 2350-2359.

[13] [13] Wang Y, Huang F, Wei Y. Water body extraction from LANDSAT ETM+ image using MNDWI and KT transformation[C]. Kaifeng: 21st International Conference on Geoinformatics, 2013.

[14] [14] Wang X, Xiao X, Zou Z, et al. Tracking annual changes of coastal tidal flats in China during 1986-2016 through analyses of Landsat images with Google Earth Engine[J]. Remote Sensing of Environment, 2020, 238: 110987.