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Using hyperspectral airborne PRISM imagery to map vulnerable coastal salt marsh an PDF
Preview Using hyperspectral airborne PRISM imagery to map vulnerable coastal salt marsh an
Using hyperspectral airborne PRISM imagery to map vulnerable coastal salt marsh and seagrass habitats Dr. Heidi Dierssen UCONN Professor Marine Sciences/Geography Acknowledgements • UCONN COLORS Lab-‐ Eric Heupel (photographs), Kelley Bostrom, Brandon Russell • NASA JPL • Naval Research Lab – Gao for atmospheric correcPon • Field ValidaPon team for PRISM – NASA Ames – University of Santa Cruz – Moss Landing Marine Labs – Monterey Bay Aquarium Research InsPtute • Richard Zimmerman, Old Dominion University Why seagrasses and salt marshes? • Improved understanding of role of shallow banks and bays on carbon cycle and climate • BLUE Carbon – Coastal vegetaPon sequesters carbon more effecPvely than terrestrial ecosystems QuesPons regarding fate of carbon • Different seagrass species play different ecological roles • Turtlegrass leaves decompose in the beds Manateegrass • Buoyant leaves, exported carbon A B C FL Bay seagrass beds have li\le debris Export Carbon out of system Seagrass serves as criPcal habitat >150 species small invertebrates 100 species algae Fish Seagrass as Habitat for Other Organisms 5 3 4 1 2