[1] [1] Rathod P H, Brackhage C, Meer F D V D, et al. European Journal of Remote Sensing, 2015, 48(3): 283.

[2] [2] Sridhar B B, Vincent R K, Roberts S J, et al. International Journal of Applied Earth Observation & Geoinformation, 2011, 13(4): 676.

[3] [3] Hede A N H, Kashiwaya K, Koike Katsuaki, et al. Remote Sensing of Environment, 2015, 171: 83.

[4] [4] Zhang C, Ren H, Qin Q, et al. Remote Sensing Letters, 2017, 8(6): 576.

[5] [5] Zhang B, Wu D, Zhang L, et al. Environmental Earth Sciences, 2012, 65(3): 649.

[6] [6] Shi T, Liu H, Chen Y, et al. Journal of Hazardous Materials, 2016, 308: 243.

[7] [7] Liu M L, Liu X N, Wu M X, et al. Computers & Geosciences, 2011, 37: 1642.

[8] [8] Wang J J, Wang T J, Shi T Z, et al. Remote Sensing, 2015, 7: 15340.

[11] [11] Chi G Y, Shi Y, Chen X, et al. Advanced Materials Research, 2012, 347: 2735.

[12] [12] Asmaryan S, Warner T A, Muradyan V, et al. Remote Sensing Letters, 2013, 4(2): 200.

[16] [16] Ge W, Jiao Y Q, Sun B L, et al. South African Journal of Botany, 2012, 83(4): 98.

[17] [17] Caldelas C, Bort J, Febrero A. Cell Biology and Toxicology, 2012, 28(1): 57.

[18] [18] Filippidis A, Papastergios G, Kantiranis N et al. Chemie der Erde-Geochemistry, 2012, 72(1): 71.