[1] Liu R Z, Liu J, Zhang Z J, et al. International Journal of Environmental Research and Public Health, 2015, 12: 152.
[2] Lkhagvajargal B, Sonomdagva C, Byambatseren C, et al. Proceedings of the Mongolian Academy of Sciences, 2017, 57(4): 224.
[3] Hasan S, Montzka C, Rüdiger C, et al. ISPRS Journal of Photogrammetry and Remote Sensing, 2014, 91: 59.
[4] opatka A, Miturski T, Pudeko R, et al. Polish Journal of Soil Science, 2016, 49(1): 73.
[5] Parrens M, Wigneron J P, Richaume P, et al. Remote Sensing of Environment, 2016, 181: 122.
[6] Gao Z Q, Gao W, Chang N B. International Journal of Applied Earth Observation and Geo information, 2011, 13(3): 495.
[8] Chang C W, Laird D, Hurburgh J, et al. Soil Science, 2005, 170: 244.
[9] Liu W, Baret F, Gu X, et al. International Journal of Remote Sensing, 2003, 24(10): 2069.
[10] Haubrock S N, Sabine C, Matthias K , et al. Journal of Applied Remote Sensing, 2008, 2: 23.
[11] Haubrock S N, Chabrillat S, Lemmnitz C, et al. International Journal of Remote Sensing, 2010, 29: 13.
[12] Zeng W, Xu C, Huang J H, et al. Soil Physics & Hydrology, 2016, 6: 1496.
[13] Yuanda Z, David C W, Somsubhra C, et al. Journal of Hydrology, 2010, 391: 133.
[14] Leila H, Alfonso T, Austin J, et al. Remote Sensing, 2015, 7: 2627.
[15] Daniel R G, Wade A W, Andrew J F, et al. Journal of Terramechanics, 2016, 65: 85.
[16] Wang X P, Zhang F, Ding J L, et al. Science of the Total Environment, 2018, 615: 918.
[17] Roberts J, Cozzolino D. Trends in Analytical Chemistry, 2016, 83: 25.
[18] Ouerghemmi W, Gomez C, Naceur S. Remote Sensing of Environment, 2016, 181: 251.
[19] Peng J, LI X, Zhou Q. Journal of Remote Sensing, 2013, 6: 1396.
[20] Shuho N, Yasushi Y. Ore Geology Reviews, 2017, 83: 312.
