RUSSIAN JOURNAL OF EARTH SCIENCES, VOL. 19, ES2003, doi:10.2205/2018ES000647, 2019
| Year | Non-drought | Drought–moderate | Drought–severe | |||
| Area (ha) | Area (%) | Area (ha) | Area (%) | Area (ha) | Area (%) | |
| 1988 | 150327.54 | 80.17 | 32623.74 | 17.40 | 4559.31 | 2.43 |
| 1993 | 111467.88 | 59.45 | 61433.73 | 32.76 | 14609.07 | 7.79 |
| 1996 | 115221.69 | 61.45 | 47866.23 | 25.53 | 24422.58 | 13.02 |
| 1998 | 92821.86 | 49.50 | 59465.25 | 31.71 | 35223.48 | 18.78 |
| 2002 | 119893.95 | 63.94 | 49296.96 | 26.29 | 18319.59 | 9.77 |
| 2004 | 135093.15 | 72.05 | 44641.80 | 23.81 | 7775.73 | 4.15 |
| 2009 | 131340.33 | 70.04 | 43304.13 | 23.09 | 12866.13 | 6.86 |
| 2011 | 122642.46 | 65.41 | 51354.63 | 27.39 | 13513.59 | 7.21 |
| 2017 | 110013.39 | 58.67 | 64184.49 | 34.23 | 13312.71 | 7.10 |
Citation: Trinh Le Hung, Danh Tuyen Vu (2019), Application of remote sensing technique for drought assessment based on normalized difference drought index, a case study of Bac Binh district, Binh Thuan province (Vietnam), Russ. J. Earth Sci., 19, ES2003, doi:10.2205/2018ES000647.
Copyright 2019 by the Geophysical Center RAS.