highly significantP < 0.001
The correlation between flood extents estimated from the images and water gauge measurements was very strong and highly significant (linear regression, P < 0.001, R 2 = 0.9, Fig. 1B ).
The correlation between flood extents estimated from the images and water gauge measurements was very strong and highly significant (linear regression, P < 0.001, R 2 = 0.9, Fig. 1B ).