Sources of errors in the measurements of underwater profiling radiometer

Show simple item record Silveira, N. Suresh, T. Talaulikar, M. Desa, E. Matondkar, S.G.P. Lotlikar, A. 2014-03-05T10:44:57Z 2014-03-05T10:44:57Z 2014
dc.identifier.citation Indian Journal of Geo-Marine Sciences, vol.43(1); 2014; 88-95
dc.description.abstract There are various sources of errors from the measurements of optical parameters using a radiometer, which can be classified as mode of deployment, instrument and environment. The errors from the deployment are primarily from the ship and superstructure shadows. Instrument could be a source of error arising from its self-shadow, drift in the calibration and temperature effects. There could be large errors, which at times may be unavoidable to environment factors such as wave focusing at the surface layers, sea state conditions which may affect the tilt of the instrument, atmospheric conditions such as cloud cover, solar elevation, wind and rain. Radiometric optical data in water could also get affected due to Raman scattering and fluorescence effects. Here we discuss the above sources of errors and how they could be minimized. From the measurements carried out in the coastal waters off Goa and Arabian Sea using the hypespectral radiometer, we propose simple protocol to measure the data and also screen the erroneous data measured from the radiometer
dc.language.iso en
dc.publisher CSIR-NISCAIR
dc.rights © IJMS/CSIR 2014. CC Attribution 3.0 License
dc.subject radiometers
dc.subject light measurement
dc.subject errors
dc.subject corrections
dc.subject optical properties
dc.title Sources of errors in the measurements of underwater profiling radiometer
dc.type Journal Article

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