Moorable Spectroradiometers In The BIOWATT Experiment

C R Booth; R C Smith

doi:10.1117/12.945722

12 August 1988 Moorable Spectroradiometers In The BIOWATT Experiment

C R Booth, R C Smith

Proceedings Volume 0925, Ocean Optics IX; (1988) https://doi.org/10.1117/12.945722
Event: 1988 Technical Symposium on Optics, Electro-Optics, and Sensors, 1988, Orlando, FL, United States

Abstract

A new oceanographic instrument, the MER-2020, has been developed for the long term measurement of bio-optical properties. This instrument is a self-contained reflectance spectroradiometer with 40 megabytes of internal data storage and battery power permitting deployments for as long as 6 months. It can serve as the control and recording center for a variety of other sensors including fluorometers, transmissometers, temperature and conductivity probes. Instruments of this type were deployed at depths to 70 meters on a 5000 meter mooring during the BIOWATT experiment between February and November 1987. Measurements of the spectral diffuse attenuation coefficient and of the remote sensed reflectance from the ten month period in 1987 in the Northern Sargasso Sea will be presented. In addition, the temperature, pressure, package orientation and sunlight stimulated natural fluorescence of phytoplankton will be discussed. This instrument will be a key part of in situ optical calibration for future remote color sensors, and presently permits direct measurement of long term optical variability, important in visibility and communication problems.

Citation Download Citation

C R Booth and R C Smith "Moorable Spectroradiometers In The BIOWATT Experiment", Proc. SPIE 0925, Ocean Optics IX, (12 August 1988); https://doi.org/10.1117/12.945722

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