Physical Sciences and Mathematics Commons^™

A Comparison Between Above-Water Surface And Subsurface Spectral Reflectances Collected Over Inland Waters, Asif M. Bhatti, Donald Rundquist, John Schalles, Luis Ramirez, Seigo Nasu

School of Natural Resources: Faculty Publications

The objective of the research was to undertake a quantitative comparison of spectral-reflectance measurements made slightly above the surface of water bodies with the measurements made slightly below the surface. The study is focused on three rivers; two in Georgia, USA and one in Japan. As expected, the differences in reflectance are not constant and vary with the wavelength. The contribution of surface-reflection effects to the surface reflectance measured slightly above the water is both pronounced and highly variable, but although they do alter the magnitude of the upwelling signal, they do not change the general shape of the spectral …