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B. Carol Johnson (Fed)

Research interests

Developing methods for improved radiometric characterization and calibration of instruments, the transfer of this knowledge to the user community, and in improving the metrology of radiometry in remote sensing of the Earth.

Activities

Serves on instrument design and calibration and validation peer reviews for NASA, NOAA, and EUMETSAT sensors and collaborates with ocean color calibration scientists.

Research projects

Awards

  • NIST Distinguished Career Award, 2020
  • DOC Gold Medal, 2013
  • DOC Silver Medal, 2004
  • Edward Bennett Rosa Award, 2002
  • Arthur S. Flemming Award, 1999
  • NIST Bronze Medal Award, 1996
  • National Research Council Postdoctoral Associateship, 1985-1987
  • Amelia Earhart Fellow, Zonta International, 1980-1983
  • Pickering Fellow, Harvard University, Cambridge, MA, 1979-1981

Selected Publications

Stray Light Correction of the Marine Optical System

Author(s)
M Feinholz, S Flora, M Yarbrough, Keith R. Lykke, Steven W. Brown, B. Carol Johnson, Dennis Clark
The Marine Optical System is a spectrograph-based sensor used in the Marine Optical Buoy for the vicarious calibration of ocean color satellite sensors. It is

Radiometric Characterization of Field Radiometers in Support of the 1997 Lunar Lake, Nevada, Experiment to Determine Surface Reflectance and Top-of-Atmosphere Radiance

Author(s)
Steven W. Brown, Bettye C. Johnson, Howard W. Yoon, James J. Butler, R Barnes, S F. Biggar, P R. Spyak, Kurtis J. Thome, E F. Zalewski, M Helmlinger, C J. Bruegge, S Schiller, G Fedosejevs, R Gauthier, S Tsuchida, S Machida
A continuing series of field campaigns to Lunar Lake, Nevada, has been established for the development of ground-truth measurement protocols and assessment of

Publications

System Vicarious Calibration for climate and global long-term operational ocean color applications

Author(s)
Giuseppe Zibordi, B. Carol Johnson, Ewa Kwiatkowska, Kenneth Voss, David Antoine, Sean William Bailey, Andrew Barnard, Brian Barnes, Agnieszka Bialek, Shuguo Chen, Susanne Craig, Constant Mazeran, FREDERIC MELIN, Jee-Eun Min, Hiroshi Murakami, Menghua Wang
System Vicarious Calibration (SVC) enhances the accuracy of satellite ocean color radiometric data products by removing the bias due to the intrinsic

Improved shadow correction for the Marine Optical BuoY, MOBY

Author(s)
Kenneth Voss, Edouard Leymarie, Stephanie Flora, B. Carol Johnson, Arthur Gleason, Mark Yarbrough, Michael Feinholz, Terrance Houlihan
A 3-D instrument self-shading correction has been developed for the MOBY upwelling radiance measurements. This correction was tested using the 23 year time

Characterization and Absolute Calibration of an AERONET-OC Radiometer

Author(s)
B. Carol Johnson, Giuseppe Zibordi, Steven W. Brown, Michael Feinholz, Mikhail Sorokin, Ilya Slutsker, John T. Woodward IV, Howard Yoon
The Ocean Color component of the global Aerosol Robotic Network (AERONET-OC) utilizes CE-318 sun photometers modified for above-water radiometry from fixed
View more Publications
Created October 9, 2019, Updated March 11, 2025