17 October 2007 The marine optical buoy (MOBY) radiometric calibration and uncertainty budget for ocean color satellite sensor vicarious calibration
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For the past decade, the Marine Optical Buoy (MOBY), a radiometric buoy stationed in the waters off Lanai, Hawaii, has been the primary in-water oceanic observatory for the vicarious calibration of U. S. satellite ocean color sensors, including the Sea-viewing Wide Field-of-view Sensor (SeaWiFS) and the Moderate Resolution Imaging Spectrometers (MODIS) instruments on the National Aeronautics and Space Administration's (NASA's) Terra and Aqua satellites. The MOBY vicarious calibration of these sensors supports international effort to develop a global, multi-year time series of consistently calibrated ocean color data products. A critical component of the MOBY program is establishing radiometric traceability to the International System of Units (SI) through standards provided by the U. S. National Institute of Standards and Technology (NIST). A detailed uncertainty budget is a core component of traceable metrology. We present the MOBY uncertainty budget for up-welling radiance and discuss additional considerations related to the water-leaving radiance uncertainty budget. Finally, we discuss approaches in new instrumentation to reduce the uncertainties in in situ water-leaving radiance measurements.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Steven W. Brown, Steven W. Brown, Stephanie J. Flora, Stephanie J. Flora, Michael E. Feinholz, Michael E. Feinholz, Mark A. Yarbrough, Mark A. Yarbrough, Terrence Houlihan, Terrence Houlihan, Darryl Peters, Darryl Peters, Yong Sung Kim, Yong Sung Kim, James L. Mueller, James L. Mueller, B. Carol Johnson, B. Carol Johnson, Dennis K. Clark, Dennis K. Clark, } "The marine optical buoy (MOBY) radiometric calibration and uncertainty budget for ocean color satellite sensor vicarious calibration", Proc. SPIE 6744, Sensors, Systems, and Next-Generation Satellites XI, 67441M (17 October 2007); doi: 10.1117/12.737400; https://doi.org/10.1117/12.737400


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