Spectroscopic remote sensing of the distribution and persistence of oil from the Deepwater Horizon spill in Barataria Bay marshes

► AVIRIS data analyzed to delineate marsh oiled during the Deepwater Horizon incident ► Spectral feature analysis used to detect oiled marsh was 93.4% accurate. ► Oil damage to the marsh at some sites resulted in erosion of exposed sediments. ► Oiled zones were detected along 40 km of shoreline in Barataria Bay, Louisiana. ► The Bay Jimmy area contained a high concentration of oiled marsh in narrow zones.