Aquatic Sciences Meeting, Albuquerque 2001
| CS30 Remote Sensing and Technological Tools |
| Date: Tuesday, February 13, 2001, Time: 10:30:00 AM |
| Location: Sandia/Santa Ana |
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| Wittlinger, S, K, Moss Landing Marine Laboratories, Moss Landing, USA, salwitt@aol.com |
| Zimmerman, R, C, Moss Landing Marine Laboratories, Moss Landing, USA, rzimmer197@aol.com |
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| HYPERSPECTRAL REMOTE SENSING OF SUBTIDAL MACROPHYTES IN OPTICALLY SHALLOW WATER |
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| The development of hyperspectral sensors may provide the detailed data necessary for distinguishing between taxa of submerged macrophytes in optically shallow water. We are building a library of spectral signatures for subtidal seaweeds and seagrasses and are developing algorithms that will predict the abundance of red, brown, and green taxa from hyperspectral remote sensing measurements. These algorithms, based on 4th derivative analysis of the library spectra, are currently being tested using data from HyMap and PHILLS compared to direct in situ diver measurements and surface measures of remote sensing reflectance using a hyperspectral tethered spectral radiometer buoy (TSRB). Successful development of these algorithms will facilitate the mapping of submerged benthic vegetation and allow hyperspectral data sets to become an important tool for ecological and resource management applications in the subtidal marine environment. |
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