Description
MNDWI (McFeeter’s Normalized Difference Water Index) data calculated from Sentinel-2 images. Values are extracted within a 1-km radius of 4 main villages per fokontany. A weighted average is then calculated based on the number of buildings per village.
Columns
comm_fkt
name of fokontany using standardized ‘new_commune’_’fokontany’ nomenclature
vill_mndwi
mndwi values calculated from Sentinel-2 images
date
date in format: YYYY-MM corresponding to year and month
Additional Info
🗓 Last Updated
March 11, 2026
🔹 Processing Steps
Calculation of MNDWI using the following equation: (B03 - B08) / (B03 + B08) Extraction of MNDWI values in a 1 km buffer zone around selected villages Calculation of weighted average based on number of buildings per village