The ecology of coral reefs The ecology of coral reefs : results of a Workshop on Coral Reef Ecology held by the American Society of Zoologists, Philadelphia, Pennsylvania, December 1983 ecologyofcoralre00reak Year: 1985 10 E C \ [\l u \ to -p -p □ 10 CD u c o I—t 'U D L L 10 KEY LARGO. FLORIDA UPWELLING SPECTRAL IRRADIANCE AT SURFACE RUN 2 AUGUST 13. 1982 CLEAR SKY MER-1015 SPECTR0RA0I0METER 4 30 109 160 MSS 4. 10 4. 97 13. 39 3. 46 Habitat Sea grass bed Sea grass bed Corals/sand Gulf Stream MER simulated MSS 1/2 ratio surface irradiance (PAR) = 1. 39-1. 41 x 1017Q/cm2/s _1 L 400 500 600 Wa
The ecology of coral reefs The ecology of coral reefs : results of a Workshop on Coral Reef Ecology held by the American Society of Zoologists, Philadelphia, Pennsylvania, December 1983 ecologyofcoralre00reak Year: 1985 10 E C \ [\l u \ to -p -p □ 10 CD u c o I—t 'U D L L 10 KEY LARGO. FLORIDA UPWELLING SPECTRAL IRRADIANCE AT SURFACE RUN 2 AUGUST 13. 1982 CLEAR SKY MER-1015 SPECTR0RA0I0METER 4 30 109 160 MSS 4. 10 4. 97 13. 39 3. 46 Habitat Sea grass bed Sea grass bed Corals/sand Gulf Stream MER simulated MSS 1/2 ratio surface irradiance (PAR) = 1. 39-1. 41 x 1017Q/cm2/s _1 L 400 500 600 Wavelength (nm. ) 700 Figure spectral irradiances taken just beneath the sea surface over a variety of coral reef environments and the western edge of the Gulf Stream. The Mer simulated MSS ratio is the ratio of Band 1/Band 2 of Landsat, calculated from measurements taken with the Mer-1015 Biospherical Instruments spectroradiometer and wavelength weighting functions as described in the text. Band 2 (red) = (.036x589nm + .927x625nm + + .810x694nm) / ,960x656nm + .90x671nm We then calculated the ratio of the bands (Band 1/Band 2) to allow for differences in absolute intensity between the ground and spacecraft signals. 196
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