fig4

Figure 4. DN values of SAVI and MNDWI: (A) SAVI values greater than 3,000; (B) SAVI values between 0 and 2,000; (C) MNDWI values greater than 1,000; (D) MNDWI values exceeding 1,000, differentiated by color-coded thematic classes. SAVI: Soil-adjusted vegetation index; MNDWI: modified normalized difference water index.