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It is presented a new instrument specially developed to measure sunlight extinction in water bodies. It uses commercial photodiodes with no monochromatic sensitive band and it is based on the use of absorbance data for each wavelength at different depths. With this instrument we can perform “in situ” measurements for sunlight extinction coefficient. Then, the effect that the absorption due to the...
In this paper we propose a method to obtain the water sunlight extinction by using commercial photodiodes whose sensitive band is not monochromatic. This procedure is based on the use of absorbance data provided by various authors for each wavelength and their weightings for spectral sensitivity of each photodiode. The ultimate goal is to be able to use this type of photodiodes in the “in situ” extinction...
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