The marine optical buoy (MOBY) radiometric calibration and uncertainty budget for ocean color satellite sensor vicarious calibration

Steven W. Brown; Stephanie J. Flora; Michael E. Feinholz; Mark A. Yarbrough; Terrence Houlihan; Darryl Peters; Yong Sung Kim; James L. Mueller; B. Carol Johnson; Dennis K. Clark

doi:10.1117/12.737400

17 October 2007 The marine optical buoy (MOBY) radiometric calibration and uncertainty budget for ocean color satellite sensor vicarious calibration

Steven W. Brown, Stephanie J. Flora, Michael E. Feinholz, Mark A. Yarbrough, Terrence Houlihan, Darryl Peters, Yong Sung Kim, James L. Mueller, B. Carol Johnson, Dennis K. Clark

Author Affiliations +

Proceedings Volume 6744, Sensors, Systems, and Next-Generation Satellites XI; 67441M (2007) https://doi.org/10.1117/12.737400
Event: SPIE Remote Sensing, 2007, Florence, Italy

Abstract

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.

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Steven W. Brown, Stephanie J. Flora, Michael E. Feinholz, Mark A. Yarbrough, Terrence Houlihan, Darryl Peters, Yong Sung Kim, James L. Mueller, B. Carol Johnson, and 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); https://doi.org/10.1117/12.737400

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