Using the Panchromatic band for water column correction to derive water depth and spectral bottom signature: Landsat 8 OLIP bandset used for this work Purple=1, Blue=2, Green=3, PAN=4, Red=5, NIR=6 and SWIR1=7 |
![]() TOA TCC: raw image linear enhancement | ![]() TOA TCC: raw image linear enhancement Many whitings are seen |
OPTIMIZED CALIBRATION![]() Calibration diagram for the whole scene for bands Blue, Green, Red and NIR | OPTIMIZED CALIBRATION![]() Calibration diagram for the whole scene for bands Coastal, PAN, Red and NIR |
![]() BOA TCC: water column corrected whitings look pinkish and are surrounded by an excess of red backscatter | ![]() Retrieved depth see legend Note depths ~10 m at Cay Sal Bank |
![]() SAM classified image see legend for SAM | ![]() Average bottom brightness note spots of exceptional brightness |