Dr. James J Butler

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Dr. James J Butler

  • (AST, OPTICAL PHYSICS)
  • 301.614.5942 | 301.614.6695
  • NASA/GSFC
  • Mail Code: 618
  • Greenbelt , MD 20771
  • Employer: NASA
  • Brief Bio

    James J. Butler

    Brief Bio

    James J. Butler has served as EOS Calibration Scientist since 1995, Deputy NPP Project Scientist for Instruments and Calibration since 2004, JPSS Deputy Chief Project Scientist since 2011, and JPSS Project Scientist for Flight since 2011. He also serves as Principal Investigator of the Code 618 Radiometric and Diffuser Calibration Laboratories. He received the B.S. degree in physical chemistry from the University of Notre Dame in 1977 and the Ph.D. degree in physical chemistry from the University of North Carolina at Chapel Hill in 1982. He is currently and optical physicist in the Biospheric Sciences Laboratory at NASA’s Goddard Space Flight Center.

    Current Projects

    Principal Investigator and Technical Lead for the Radiometric Calibration Laboratory and Diffuser Calibration Laboratory at GSFC (2005 and 1992 to present, respectively)

    SNPP Deputy Project Scientist for Instruments and Calibration (2004 to present)

    JPSS Deputy Chief Project Scientist (2011 to present)

    JPSS Project Scientist for Flight (2011 to present)

    Research Interests

    Dr. Butler’s current research interests include the calibration and characterization of remote sensing instrumentation from the ultraviolet through the microwave, optical metrology, radiometry, remote sensing, and the measurement of reflective and transmissive optical scatter. His previous research experience at NASA includes ground-based and balloon-borne lidar for the detection of stratospheric molecular and radical species and laser-induced fluorescence of molecules and radicals. As a research associate at the National Institute of Standards and Technology (NIST), he conducted research in the photoionization and dissociation dynamics of state selected hydrocarbons and in photoelectron spectroscopy.

    Positions/Employment

    1992-Present
    Optical Physicist: Biospheric Sciences Branch-NASA’s GSFC Code 618

    1988-1992
    Principal Scientist: Hughes STX, Lanham, MD

    1986-1988
    Scientist: STX Corporation, Lanham, MD

    1984-1986
    Senior Member Technical Staff: Science Applications Research, Lanham, MD

    1982-1984
    Intergovernmental Personnel Appointee: NIST, Gaithersburg, MD

    Education

    1977-1982

    Ph.D. in Physical Chemistry: University of North Carolina, Chapel Hill, NC
    Designed and built the Chemistry department’s photoelectron-photoion coincidence mass spectrometer. Conducted research on the photoionization and dissociation of gaseous, state-selected organo-sulfur molecules.

    1973-1977

    B.S. in Chemistry: University of Notre Dame, Notre Dame, IN
    Conducted research on molecular beam scattering of noble and halogen gases in the formation of excimers

    Professional Societies

    Optical Society of America
    American Geophysical Union

    Professional Service

    NASA Representative to the WMO Global Spacebased InterCalibration System (October 2007 to present)

    Chair of SPIE Conference on Earth Observing Systems (2004-present)

    Member of the Organizing Committee of the SPIE Asia Pacific Remote Sensing Conference on Earth Observing Missions and Sensors (2011-present)

    Member of the Organizing Committee of the SPIE Conference on Atmospheric and Environmental Remote Sensing Data Processing and Utilization (2006-2012)

    NASA Representative to the NPOESS Joint Agency Requirements Group (2003 to 2007)

    Member of the Organizing Committee and Session Chair of the Utah State University Calcon Conference (1999-present)

    Member of the Organizing Committee of the Bureau International des Poids et Mesures (BIPM) Newrad Conference

    Member of the Board of Directors of the Council for Optical Radiation Measurements (1996-1998)

    Member of the MODIS Technical Team (1992-1993)

    Member of the TOMS EP and ADEOS Calibration Teams (1992-1995)

    Member of the Ozone Processing/Calibration Team (1992-1995)

    Member of the MODIS Characterization Support Team/MODIS Algorithm Team (1992-1994)

    Member of the MODIS Administrative Support Team (1992-1994)

    Awards

    NASA ITAR Innovator of the Year Award (2010)

    American Institute of Aeronautics and Astronautics Space System Award (2006)

    9 NASA Group Achievement Awards

    Selected Public Outreach

    Science Fair Judge, Saint Joseph’s Regional Catholic School, Beltsville, MD (2001 to present)

    Publications

    Refereed

    Eplee, R. E., G. Meister, F. S. Patt, et al. K. R. Turpie, S. W. Bailey, and B. A. Franz. 2019. "The NASA OBPG 2020 on-orbit calibration of SNPP VIIRS for ocean color applications." Earth Observing Systems XXIV, [10.1117/12.2528769]

    Oudrari, H., J. McIntire, X. Xiong, et al. J. Butler, Q. Ji, T. Schwarting, and A. Angal. 2018. "An Overall Assessment of JPSS-2 VIIRS Radiometric Performance Based on Pre-Launch Testing." Remote Sensing, 10 (12): 1921 [10.3390/rs10121921]

    Lin, G., R. E. Wolfe, J. C. Tilton, et al. P. Zhang, J. Dellomo, and B. Tan. 2018. "JPSS-1/NOAA-20 VIIRS early on-orbit geometric performance." Earth Observing Systems XXIII, (107641H ): 10 [10.1117/12.2320767]

    Tan, B., J. Dellomo, R. E. Wolfe, and A. D. Reth. 2018. "GOES-16 ABI navigation assessment." Earth Observing Systems XXIII, (107640G): 12 [10.1117/12.2321170]

    Lin, G., and R. E. Wolfe. 2016. "JPSS-1 VIIRS at-launch geometric performance." Earth Observing Systems XXI, 9972 (99721L): [10.1117/12.2238804]

    Lin, G., R. E. Wolfe, and J. C. Tilton. 2016. "Trending of SNPP ephemeris and its implications on VIIRS geometric performance." Earth Observing Systems XXI, [10.1117/12.2239043]

    Xiong, X., J. Butler, K. Chiang, et al. B. Efremova, J. Fulbright, N. Lei, J. McIntire, H. Oudrari, Z. Wang, and A. Wu. 2016. "Assessment of S-NPP VIIRS On-Orbit Radiometric Calibration and Performance." Remote Sensing, 8 (2): 84 [10.3390/rs8020084]

    Xiong, X., J. Sun, J. Fulbright, Z. Wang, and J. J. Butler. 2016. "Lunar Calibration and Performance for S-NPP VIIRS Reflective Solar Bands." IEEE Transactions on Geoscience and Remote Sensing,

    Oudrari, H., J. McIntire, X. Xiong, et al. J. Butler, Q. Ji, T. Schwarting, S. Lee, and B. Efremova. 2016. "JPSS-1 VIIRS Radiometric Characterization and Calibration Based on Pre-Launch Testing." Remote Sensing, 8 (1): 41 [10.3390/rs8010041]

    Barnes, R. A., S. W. Brown, K. R. Lykke, et al. B. Guenther, J. J. Butler, T. Schwarting, K. Turpie, D. Moyer, F. DeLuccia, and C. Moeller. 2015. "Comparison of two methodologies for calibrating satellite instruments in the visible and near-infrared." Applied Optics, 54 (35): 10376 [10.1364/ao.54.010376]

    Xiong, X., J. Sun, J. P. Fulbright, Z. Wang, and J. J. Butler. 2015. "Lunar Calibration and Performance for S-NPP VIIRS Reflective Solar Bands." IEEE Transactions on Geoscience and Remote Sensing, 54 (2): 1052 - 1061 [10.1109/TGRS.2015.2473665]

    Wu, A., X. Xiong, Z. Jin, et al. C. Lukashin, B. N. Wenny, and J. J. Butler. 2015. "Sensitivity of Inter-calibration Uncertainty of the CLARREO Reflected Solar Spectrometer Features." IEEE Transactions on Geoscience and Remote Sensing, 53 (9): 4741-4751 [10.1109/TGRS.2015.2409030]

    Bancroft, D., J. J. Butler, R. Datla, et al. C. Cao, M. Greenman, S. Hansen, H. Latvakoski, M. Mlynczak, T. Murdock, J. Peterson, D. Pollack, R. Russell, D. Scott, J. Seamons, T. Stone, J. Tansock, K. J. Thome, A. Thurgood, R. Williams, H. Yoon, and X. Xiong. 2015. "Guidelines for Radiometric Calibration of Electo-optical Instruments for Remote Sensing." NIST HB, 157: [10.6028/NIST.HB.157]

    Oudrari, H., J. McIntire, X. Xiong, et al. J. J. Butler, S. Lee, N. Lei, T. Schwarting, and J. Sun. 2015. "Pre-launch Radiometric Characterization and Calibration of the S-NPP VIIRS Sensor." IEEE Transactions on Geoscience and Remote Sensing, 53: 2195-2210 [10.1109/TGRS.2014.2357678]

    Georgiev, G. T., J. J. Butler, K. J. Thome, et al. L. A. Ramos-Izquierdo, L. Ding, L. J. Graziani, and G. A. Meadows. 2014. "Initial studies of the directional reflectance changes in pressed and sintered PTFE diffusers following exposure to contamination and ionizing radiation." Metrologia, 51 (6): S319 [10.1088/0026-1394/51/6/S319]

    Xiong, X., J. J. Butler, K. Chiang, et al. B. Efremova, J. Fulbright, N. Lei, J. McIntire, H. Oudrari, J. Sun, Z. Wang, and A. Wu. 2014. "VIIRS on-orbit calibration methodology and performance." J. Geophys. Res. Atmos., 119 (9): 5065-5078 [10.1002/2013JD020423]

    Johnson, B. C., M. Litorja, J. B. Fowler, E. L. Shirley, and J. J. Butler. 2013. "Results of aperture area comparisons for exo-atmospheric total solar irradiance measurements." Applied Optics, 52 (33): 7963-7980.

    Wielicki, B. A., D. F. Young, M. G. Mlynczak, et al. K. J. Thome, S. Leroy, J. M. Corliss, J. G. Anderson, C. O. Ao, R. J. Bantges, F. A. Best, K. W. Bowman, H. E. Brindley, J. J. Butler, W. D. Collins, D. R. Doelling, J. Dykema, D. R. Feldman, N. Fox, R. E. Holz, X. Huang, Y. Huang, D. E. Jennings, Z. Jin, D. G. Johnson, K. W. Jucks, S. Kato, D. B. Kirk-Davidoff, R. Knuteson, G. Kopp, D. P. Kratz, X. Liu, C. Lukashin, A. J. Mannucci, N. Phojanamongkolkij, P. Pilewski, V. Ramaswamy, H. Revercomb, J. Rice, Y. Roberts, C. M. Rothmayr, F. G. Rose, S. Sandford, E. Shirley, W. L. Smith, B. Soden, P. W. Speth, W. Sun, P. Taylor, D. Tobin, and X. Xiong. 2013. "Achieving Climate Change Absolute Accuracy in Orbit." Bulletin of the American Meteorological Society, 94 (10): 1519-1539 [10.1175/BAMS-D-12-00149.1]

    Xiong, J., H. Oudrari, K. Chiang, et al. J. McIntire, J. Fulbright, A. Wu, N. Lei, J. Sun, B. Efremova, Z. Wang, S. Lee, T. Schwarting, and J. Butler. 2013. "VIIRS early on-orbit calibration activities and performance." Geoscience and Remote Sensing Symposium (IGARSS), IEEE International: [Full Text (Link)]

    Ding, L., M. G. Kowalewski, J. W. Cooper, et al. G. R. Smith, R. A. Barnes, E. Waluschka, and J. J. Butler. 2011. "Development and performance of a filter radiometer monitor system for integrating sphere sources." Optical Engineering, 50 (11): 113603 [10.1117/1.3646532]

    Datla, R. U., J. P. Rice, K. Lykke, et al. B. C. Johnson, J. J. Butler, and X. Xiong. 2011. "Best practice guidelines for pre-launch characterization and calibration of instruments for passive optical remote sensing." Journal of Research of the National Institute of Standards and Technology, 116 (2): 621-646 [10.6028/jres.116.009]

    Ji, Q., S.-C. Tsay, W. K. Lau, et al. R. A. Hansell, J. J. Butler, and J. W. Cooper. 2011. "A novel nonintrusive method to resolve the thermal dome effect of pyranometers: Radiometric calibration and implications." J. Geophys. Res., 116 (D24): D24105 [Full Text (Link)] [10.1029/2011JD016466]

    Goldberg, M., G. Ohring, J. J. Butler, et al. C. Cao, R. Datla, D. Doelling, V. Gartner, T. Hewison, B. Iacovazzi, D. Kim, T. Kurino, J. Lafeuille, P. Minnis, D. Renault, J. Schmetz, D. Tobin, L. Wang, F. Weng, X. Wu, F. Yu, P. Zhang, and T. Zhu. 2010. "The Global Space-based Inter-Calibration System (GSICS)." Bulletin of the American Meteorological Society, 92: 467-475.

    Georgiev, G., C. Gatebe, J. Butler, and M. King. 2009. "BRDF Analysis of Savanna Vegetation and Salt-Pan Samples." IEEE Trans. Geosci. Remote Sensing, 47 (8): 2546-2556 [10.1109/TGRS.2009.2021331]

    Butler, J., S. Janz, B. Johnson, et al. R. Saunders, J. W. Cooper, M. Kowalewski, and R. Barnes. 2008. "Calibration of a radiance standard for the NPP/OMPS instrument." Proc. SPIE 7106, Sensors, Systems, and Next-Generation Satellites XII, 7106: 71060Z [10.1117/12.800194]

    Georgiev, G., and J. Butler. 2008. "Laboratory-based bidirectional reflectance distribution functions of radiometric tarps." Applied Optics, 47 (18): 3313 [10.1364/AO.47.003313]

    Gatebe, C. K., J. J. Butler, J. W. Cooper, M. Kowalewski, and M. D. King. 2007. "Characterization of errors in the use of integrating-sphere systems in the calibration of scanning radiometers." Appl Opt, 46 (31): 7640-7651 [10.1364/AO.46.007640]

    Georgiev, G., and J. Butler. 2007. "Long-term calibration monitoring of Spectralon diffusers BRDF in the air-ultraviolet." Applied Optics, 46 (32): 7892-7899.

    Ohring, G., J. J. Butler, X. Xiong, and S. Ungar. 2007. "Achieving Satellite Instrument Calibration for Climate Change." Eos, Trans AGU, 88 (11): 136 [10.1029/2007EO110015]

    Brown, S. W., B. C. Johnson, S. F. Biggar, et al. E. F. Zalewski, J. Cooper, P. Hajek, E. Hildum, P. Grant, R. A. Barnes, and J. J. Butler. 2005. "Radiometric validation of NASA's Ames Research Center's Sensor Calibration Laboratory." Applied Optics, 44: 6426-6443.

    Georgiev, G. T., and J. J. Butler. 2005. "Bidirectional reflectance distribution function and directional-hemispherical reflectance of a martian regolith simulant." Opt Eng, 44 (3): 036202-036202-11 [10.1117/1.1870001]

    Eplee, R. E., F. S. Patt, H. Kieffer, et al. T. Stone, G. Meister, J. J. Butler, and C. R. Mc Clain. 2004. "Comparison of SeaWiFS Measurements of the Moon with the U.S. Geological Survey Lunar Model." Applied Optics, 43 (31): 5838 [10.1364/AO.43.005838]

    Rice, J. P., J. J. Butler, B. C. Johnson, et al. P. J. Minnett, K. A. Maillet, T. J. Nightingale, S. J. Hook, A. Abtahi, C. J. Donlon, and I. J. Barton. 2003. "The Miami2001 infrared radiometer calibration and intercomparison. Part I: Laboratory Characterization of Blackbody Targets." Journal of Atmospheric and Oceanic Technology, 21: 258-267.

    Johnson, C., S. Brown, K. Lykke, et al. C. Gibson, G. Fargion, G. Meister, S. B. Hooker, B. L. Markham, and J. J. Butler. 2003. "Comparison of cryogenic radiometry and thermal radiometry calibrations at NIST using multi-channel filter radiometers." Metrologia, 40 (1): S216-S219 [10.1088/0026-1394/40/1/350]

    Butler, J. J., S. W. Brown, R. D. Saunders, et al. B. C. Johnson, S. F. Biggar, E. F. Zalewski, B. L. Markham, P. N. Gracey, J. B. Young, and R. A. Barnes. 2003. "Radiometric measurement comparison on the integrating sphere source used to calibrate the Moderate Resolution Imaging Spectroradiometer (MODIS) and the Landsat 7 Enhanced Thematic Mapper Plus (ETM+)." J Res Nat'l Inst Standards Tech, 108 (3): 199-228.

    Butler, J. J., and R. A. Barnes. 2003. "The use of transfer radiometers in validating the visible to shortwave infrared calibrations of radiance sources used by instruments in NASA's Earth Observing System." Metrologia, 40 (1): S70-S77.

    Brown, S. W., B. C. Johnson, H. W. Yoon, et al. J. J. Butler, R. A. Barnes, S. Biggar, P. Spyak, K. J. Thome, E. Zalewski, M. Helmlinger, C. Bruegge, S. Schiller, G. Fedosejevs, R. Gauthier, S. Tsuchida, and S. Machida. 2001. "Radiometric characterization of field radiometers in support of the 1997 Lunar Lake, Nevada experiment to determine surface reflectance and top-of-atmosphere radiance." Remote Sensing of Environment, 77: 367-376.

    Early, E. A., P. Y. Barnes, B. C. Johnson, et al. J. J. Butler, C. J. Bruegge, S. F. Biggar, P. R. Spyak, and M. M. Pavlov. 1999. "Bidiectional reflectance round-robin in support of the Earth Observing System program." Journal of Atmospheric and Oceanic Technology, 17 (8): 1077-1091 [10.1175/1520-0426(2000)017<1077:BRRRIS>2.0.CO;2]

    Janz, S., E. Hilsenrath, J. Butler, D. F. Heath, and R. P. Cebula. 1995. "Uncertainties in radiance calibrations of backscatter ultraviolet (BUV) instruments." Metrologia, 32 (6): 637-641 [10.1088/0026-1394/32/6/48]

    McDermid, I. S., S. M. Godin, R. A. Barnes, et al. C. L. Parsons, A. Torres, M. P. McCormick, W. P. Chu, P. Wang, J. J. Butler, P. A. Newman, J. Burris, R. Ferrare, D. N. Whiteman, and T. J. Mcgee. 1990. "Comparison of ozone profiles from ground-based lidar, electrochemical concentration cell balloon sonde, ROCOZ-A rocket ozonesonde, and Stratospheric Aerosol and Gas Experiment satellite measurements." J. Geophys. Res, 95 (D7): 10037-10042 [10.1029/JD095iD07p10037]

    Mcgee, T. J., R. Ferrare, J. Butler, et al. P. Newman, D. Whiteman, J. Burris, S. Godin, and I. S. McDermid. 1990. "Lidar Observations of Ozone Changes Induced by Air Mass Motions." J. Geophys. Res, 95: 20527-20530.

    Non-Refereed

    McAndrew, B., and J. T. McCorkel. 2019. "Time resolved irradiance of an integrating sphere illuminated by a mode-locked optical parametric oscillator." Earth Observing Systems XXIV [10.1117/12.2530295]

    Moeller, C. C., T. A. Schwarting, J. T. McCorkel, D. I. Moyer, and J. McIntire. 2019. "The JPSS-2 VIIRS version 2 (at-launch) relative spectral response characterization." Earth Observing Systems XXIV [10.1117/12.2530022]

    Barsi, J. A., J. McCorkel, B. McAndrew, et al. B. J. Zukowski, T. M. Shuman, S. Johnston, and B. L. Markham. 2018. "Spectral testing of the Landsat-9 OLI-2 instrument using the Goddard Laser Absolute Measurement of Radiance (GLAMR)." Earth Observing Systems XXIII [10.1117/12.2321192]

    Czapla-Myers, J. S., C. Coburn, K. Thome, B. Wenny, and N. Anderson. 2018. "Directional reflectance studies in support of the Radiometric Calibration Test Site (RadCaTS) at Railroad Valley." Earth Observing Systems XXIII [10.1117/12.2320756]

    Georgiev, G. T., J. J. Butler, K. J. Thome, C. Cooksey, and L. Ding. 2017. "Establishing BRDF calibration capabilities through shortwave infrared." Proceedings SPIE, Earth Observing Systems XXII; 10402: [10.1117/12.2273007]

    Georgiev, G. T., J. J. Butler, K. J. Thome, C. Cooksey, and L. Ding. 2016. "Preliminary results of BTDF calibration of transmissive solar diffusers for remote sensing." Proc. SPIE, Earth Observing Systems XXI 9972: [10.1117/12.2235802]

    Waluschka, E., J. McCorkel, J. McIntire, et al. D. Moyer, B. McAndrew, S. W. Brown, K. R. Lykke, J. B. Young, E. Fest, J. Butler, T. R. Wang, E. O. Monroy, K. Turpie, G. Meister, and K. J. Thome. 2015. "VIIRS/J1 polarization narrative." Earth Observing Systems XX [10.1117/12.2190138]

    Xiong, X., J. Fulbright, Z. Wang, and J. Butler. 2015. "An overview of S-NPP VIIRS lunar calibration." 2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 3910-3913 [10.1109/igarss.2015.7326679]

    Efremova, B., A. Wu, X. Xiong, and J. J. Butler. 2014. "CLARREO Calibration Uncertainty Assessment Tool: Status and Path Forward." SPIE Proceedings on Earth Observing Systems XIX 9218: 9218U-1-9281U-8 [10.1117/12.2061962]

    Xiong, X., J. J. Butler, K. V. Chiang, et al. B. Efremova, J. P. Fulbright, N. Lei, J. W. Mcintire, and Z. Wang. 2014. "VIIRS on-orbit calibration and performance update ." Geoscience and Remote Sensing Symposium (IGARSS), 2014 IEEE International 1389 - 1392 [10.1109/IGARSS.2014.6946694]

    Oudrari, H., J. W. Mcintire, D. Moyer, et al. V. Chiang, J. Xiong, and J. Butler. 2012. "Preliminary Assessment of Suomi-NPP VIIRS On-orbit Radiometric Performance."

    Georgiev, G. T., J. J. Butler, C. Cooksey, L. Ding, and K. J. Thome. 2011. "SWIR Calibration of Spectralon reflectance factor." Proceedings of SPIE, Sensors, Systems, and Next-Generation Satellites XV 8176: 81760W [10.1117/12.898325]

    Georgiev, G. T., J. J. Butler, K. J. Thome, K. J. Ranson, and M. D. King. 2011. "Assessment of multiangu-lar polarization contribution to the bidirectional reflectance of natural samples." IEEE International Geoscience Remote Sensing Symposium (IGARSS) 1017-1020 [10.1109/IGARSS.2011.6049306]

    Georgiev, G. T., J. J. Butler, K. J. Thome, K. J. Ranson, and M. D. King. 2010. "The effect of incident light polarization on vegetation bidirectional reflectance factor." 2010 IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 1652-1655 [10.1109/IGARSS.2010.5652893]

    Barnes, R. A., S. W. Brown, K. R. Lykke, et al. B. Guenther, X. Xiong, and J. J. Butler. 2010. "Comparison of two methodologies for calibrating satellite instruments in the visible and near infrared." Proc. SPIE 7862, Earth Observing Missions and Sensors: Development Implementation and Characterization 7862: 78620C [10.1117/12.868356]

    Georgiev, G. T., and J. J. Butler. 2009. "Progress in BRDF calibration measurements in the SWIR." Proc SPIE Earth Observing Systems XIV 7452 (745205): [10.1117/12.827356]

    Georgiev, G. T., and J. J. Butler. 2008. "BRDF study of gray-scale Spectralon." Proc SPIE Int Soc Opt Eng: Earth Observing Systems XIII 7081 (708107): San Diego, California, 9 pp. [ 10.1117/12.795931]

    Georgiev, G. T., C. K. Gatebe, J. J. Butler, and M. D. King. 2008. "BRDF of Salt Pan Regolith Samples." IGARSS 2008 - 2008 IEEE International Geoscience and Remote Sensing Symposium IV-573 - IV-576 [10.1109/IGARSS.2008.4779786]

    Barnes, R. A., and J. J. Butler. 2007. "Modeling spectral effects in Earth-observing satellite instruments." Proc SPIE Int Soc Opt Eng 6744: Florence, Italy, 21 pp [10.1117/12.736683]

    Oudrari, H., X. Xiong, J. J. Butler, S. Xiong, and N. Che. 2007. "Sensitivity Study for Sensor Optical and Electric Crosstalk Based on Spectral Measurements: An Approach to Developmental Sensors Using Sensors Such As MODIS." Proc IGARSS Barcelona, Spain, 2856-2859.

    Xiong, X., J. J. Butler, W. L. Barnes, and B. Guenther. 2007. "Sensor On-orbit Calibration and Characterization Using Spacecraft Maneuvers." Proc IGARSS Barcelona, Spain, 2256-2259.

    Barnes, R. A., S. W. Brown, K. R. Lykke, G. T. Fraser, and J. J. Butler. 2007. "System-level pre-launch calibration of onboard solar diffusers." Proc SPIE Int Soc Opt Eng 6677: San Diego, California, 15 pp [10.1117/12.731804]

    Butler, J. J., B. C. Johnson, J. P. Rice, S. W. Brown, and R. A. Barnes. 2007. "Validation of radiometric standards for the laboratory calibration of reflected-solar Earth-observing satellite instruments." Proc SPIE Int Soc Opt Eng 6677: San Diego, California, 13 pp.

    Barnes, R. A., J. W. Cooper, J. E. Marketon, et al. S. W. Brown, B. C. Johnson, and J. J. Butler. 2006. "Bandwidth and spectral stray light effects in the NASA GSFC Radiometric Calibration Facility primary transfer radiometer." Proc SPIE Int Soc Opt Eng 6296: San Diego, California, 14 pp [10.1117/12.679493]

    Georgiev, G. T., C. K. Gatebe, J. J. Butler, and M. D. King. 2006. "Comparison between laboratory and airborne BRDF measurements for remote sensing." Proc SPIE Int Soc Opt Eng 6296: San Diego, California, 10 pp [10.1117/12.680542]

    Butler, J. J., R. A. Barnes, and B. C. Johnson. 2005. "The Calibration and Characterization of Earth Remote Sensing and Environmental Monitoring Instruments." The Practice of Optical Radiometry Chapter 10, 453-534.

    Georgiev, G. T., and J. J. Butler. 2005. "The effect of speckle on BRDF measurements." Proc SPIE 5882 (588203): San Diego, CA, USA , 21-32.

    Patt, F., R. Eplee, R. A. Barnes, G. Meister, and J. J. Butler. 2005. "Use of the moon as a calibration reference for NPP VIIRS." Proc SPIE Int Soc Opt Eng 5882: San Diego, California, 385-396.

    Butler, J. J., G. Meister, F. Patt, and R. A. Barnes. 2004. "Use of the Moon as a reference for satellite-based climate change measurements." Proc SPIE Int Soc Opt Eng 5570: Maspalomas, Gran Canaria, Spain, 328-341.

    Brief Bio

    James J. Butler

    Brief Bio

    James J. Butler has served as EOS Calibration Scientist since 1995, Deputy NPP Project Scientist for Instruments and Calibration since 2004, JPSS Deputy Chief Project Scientist since 2011, and JPSS Project Scientist for Flight since 2011. He also serves as Principal Investigator of the Code 618 Radiometric and Diffuser Calibration Laboratories. He received the B.S. degree in physical chemistry from the University of Notre Dame in 1977 and the Ph.D. degree in physical chemistry from the University of North Carolina at Chapel Hill in 1982. He is currently and optical physicist in the Biospheric Sciences Laboratory at NASA’s Goddard Space Flight Center.

    Current Projects

    Principal Investigator and Technical Lead for the Radiometric Calibration Laboratory and Diffuser Calibration Laboratory at GSFC (2005 and 1992 to present, respectively)

    SNPP Deputy Project Scientist for Instruments and Calibration (2004 to present)

    JPSS Deputy Chief Project Scientist (2011 to present)

    JPSS Project Scientist for Flight (2011 to present)

    Research Interests

    Dr. Butler’s current research interests include the calibration and characterization of remote sensing instrumentation from the ultraviolet through the microwave, optical metrology, radiometry, remote sensing, and the measurement of reflective and transmissive optical scatter. His previous research experience at NASA includes ground-based and balloon-borne lidar for the detection of stratospheric molecular and radical species and laser-induced fluorescence of molecules and radicals. As a research associate at the National Institute of Standards and Technology (NIST), he conducted research in the photoionization and dissociation dynamics of state selected hydrocarbons and in photoelectron spectroscopy.

    Positions/Employment

    1992-Present
    Optical Physicist: Biospheric Sciences Branch-NASA’s GSFC Code 618

    1988-1992
    Principal Scientist: Hughes STX, Lanham, MD

    1986-1988
    Scientist: STX Corporation, Lanham, MD

    1984-1986
    Senior Member Technical Staff: Science Applications Research, Lanham, MD

    1982-1984
    Intergovernmental Personnel Appointee: NIST, Gaithersburg, MD

    Education

    1977-1982

    Ph.D. in Physical Chemistry: University of North Carolina, Chapel Hill, NC
    Designed and built the Chemistry department’s photoelectron-photoion coincidence mass spectrometer. Conducted research on the photoionization and dissociation of gaseous, state-selected organo-sulfur molecules.

    1973-1977

    B.S. in Chemistry: University of Notre Dame, Notre Dame, IN
    Conducted research on molecular beam scattering of noble and halogen gases in the formation of excimers

    Professional Societies

    Optical Society of America
    American Geophysical Union

    Professional Service

    NASA Representative to the WMO Global Spacebased InterCalibration System (October 2007 to present)

    Chair of SPIE Conference on Earth Observing Systems (2004-present)

    Member of the Organizing Committee of the SPIE Asia Pacific Remote Sensing Conference on Earth Observing Missions and Sensors (2011-present)

    Member of the Organizing Committee of the SPIE Conference on Atmospheric and Environmental Remote Sensing Data Processing and Utilization (2006-2012)

    NASA Representative to the NPOESS Joint Agency Requirements Group (2003 to 2007)

    Member of the Organizing Committee and Session Chair of the Utah State University Calcon Conference (1999-present)

    Member of the Organizing Committee of the Bureau International des Poids et Mesures (BIPM) Newrad Conference

    Member of the Board of Directors of the Council for Optical Radiation Measurements (1996-1998)

    Member of the MODIS Technical Team (1992-1993)

    Member of the TOMS EP and ADEOS Calibration Teams (1992-1995)

    Member of the Ozone Processing/Calibration Team (1992-1995)

    Member of the MODIS Characterization Support Team/MODIS Algorithm Team (1992-1994)

    Member of the MODIS Administrative Support Team (1992-1994)

    Awards

    NASA ITAR Innovator of the Year Award (2010)

    American Institute of Aeronautics and Astronautics Space System Award (2006)

    9 NASA Group Achievement Awards

    Selected Public Outreach

    Science Fair Judge, Saint Joseph’s Regional Catholic School, Beltsville, MD (2001 to present)

    Publications

    Refereed

    Eplee, R. E., G. Meister, F. S. Patt, et al. K. R. Turpie, S. W. Bailey, and B. A. Franz. 2019. "The NASA OBPG 2020 on-orbit calibration of SNPP VIIRS for ocean color applications." Earth Observing Systems XXIV [10.1117/12.2528769]

    Oudrari, H., J. McIntire, X. Xiong, et al. J. Butler, Q. Ji, T. Schwarting, and A. Angal. 2018. "An Overall Assessment of JPSS-2 VIIRS Radiometric Performance Based on Pre-Launch Testing." Remote Sensing 10 (12): 1921 [10.3390/rs10121921]

    Lin, G., R. E. Wolfe, J. C. Tilton, et al. P. Zhang, J. Dellomo, and B. Tan. 2018. "JPSS-1/NOAA-20 VIIRS early on-orbit geometric performance." Earth Observing Systems XXIII 10 [10.1117/12.2320767]

    Tan, B., J. Dellomo, R. E. Wolfe, and A. D. Reth. 2018. "GOES-16 ABI navigation assessment." Earth Observing Systems XXIII 12 [10.1117/12.2321170]

    Lin, G., and R. E. Wolfe. 2016. "JPSS-1 VIIRS at-launch geometric performance." Earth Observing Systems XXI 9972 (99721L): [10.1117/12.2238804]

    Lin, G., R. E. Wolfe, and J. C. Tilton. 2016. "Trending of SNPP ephemeris and its implications on VIIRS geometric performance." Earth Observing Systems XXI [10.1117/12.2239043]

    Xiong, X., J. Butler, K. Chiang, et al. B. Efremova, J. Fulbright, N. Lei, J. McIntire, H. Oudrari, Z. Wang, and A. Wu. 2016. "Assessment of S-NPP VIIRS On-Orbit Radiometric Calibration and Performance." Remote Sensing 8 (2): 84 [10.3390/rs8020084]

    Xiong, X., J. Sun, J. Fulbright, Z. Wang, and J. J. Butler. 2016. "Lunar Calibration and Performance for S-NPP VIIRS Reflective Solar Bands." IEEE Transactions on Geoscience and Remote Sensing

    Oudrari, H., J. McIntire, X. Xiong, et al. J. Butler, Q. Ji, T. Schwarting, S. Lee, and B. Efremova. 2016. "JPSS-1 VIIRS Radiometric Characterization and Calibration Based on Pre-Launch Testing." Remote Sensing 8 (1): 41 [10.3390/rs8010041]

    Barnes, R. A., S. W. Brown, K. R. Lykke, et al. B. Guenther, J. J. Butler, T. Schwarting, K. Turpie, D. Moyer, F. DeLuccia, and C. Moeller. 2015. "Comparison of two methodologies for calibrating satellite instruments in the visible and near-infrared." Applied Optics 54 (35): 10376 [10.1364/ao.54.010376]

    Xiong, X., J. Sun, J. P. Fulbright, Z. Wang, and J. J. Butler. 2015. "Lunar Calibration and Performance for S-NPP VIIRS Reflective Solar Bands." IEEE Transactions on Geoscience and Remote Sensing 54 (2): 1052 - 1061 [10.1109/TGRS.2015.2473665]

    Wu, A., X. Xiong, Z. Jin, et al. C. Lukashin, B. N. Wenny, and J. J. Butler. 2015. "Sensitivity of Inter-calibration Uncertainty of the CLARREO Reflected Solar Spectrometer Features." IEEE Transactions on Geoscience and Remote Sensing 53 (9): 4741-4751 [10.1109/TGRS.2015.2409030]

    Bancroft, D., J. J. Butler, R. Datla, et al. C. Cao, M. Greenman, S. Hansen, H. Latvakoski, M. Mlynczak, T. Murdock, J. Peterson, D. Pollack, R. Russell, D. Scott, J. Seamons, T. Stone, J. Tansock, K. J. Thome, A. Thurgood, R. Williams, H. Yoon, and X. Xiong. 2015. "Guidelines for Radiometric Calibration of Electo-optical Instruments for Remote Sensing." NIST HB 157 [10.6028/NIST.HB.157]

    Oudrari, H., J. McIntire, X. Xiong, et al. J. J. Butler, S. Lee, N. Lei, T. Schwarting, and J. Sun. 2015. "Pre-launch Radiometric Characterization and Calibration of the S-NPP VIIRS Sensor." IEEE Transactions on Geoscience and Remote Sensing 53 2195-2210 [10.1109/TGRS.2014.2357678]

    Georgiev, G. T., J. J. Butler, K. J. Thome, et al. L. A. Ramos-Izquierdo, L. Ding, L. J. Graziani, and G. A. Meadows. 2014. "Initial studies of the directional reflectance changes in pressed and sintered PTFE diffusers following exposure to contamination and ionizing radiation." Metrologia 51 (6): S319 [10.1088/0026-1394/51/6/S319]

    Xiong, X., J. J. Butler, K. Chiang, et al. B. Efremova, J. Fulbright, N. Lei, J. McIntire, H. Oudrari, J. Sun, Z. Wang, and A. Wu. 2014. "VIIRS on-orbit calibration methodology and performance." J. Geophys. Res. Atmos. 119 (9): 5065-5078 [10.1002/2013JD020423]

    Johnson, B. C., M. Litorja, J. B. Fowler, E. L. Shirley, and J. J. Butler. 2013. "Results of aperture area comparisons for exo-atmospheric total solar irradiance measurements." Applied Optics 52 (33): 7963-7980

    Wielicki, B. A., D. F. Young, M. G. Mlynczak, et al. K. J. Thome, S. Leroy, J. M. Corliss, J. G. Anderson, C. O. Ao, R. J. Bantges, F. A. Best, K. W. Bowman, H. E. Brindley, J. J. Butler, W. D. Collins, D. R. Doelling, J. Dykema, D. R. Feldman, N. Fox, R. E. Holz, X. Huang, Y. Huang, D. E. Jennings, Z. Jin, D. G. Johnson, K. W. Jucks, S. Kato, D. B. Kirk-Davidoff, R. Knuteson, G. Kopp, D. P. Kratz, X. Liu, C. Lukashin, A. J. Mannucci, N. Phojanamongkolkij, P. Pilewski, V. Ramaswamy, H. Revercomb, J. Rice, Y. Roberts, C. M. Rothmayr, F. G. Rose, S. Sandford, E. Shirley, W. L. Smith, B. Soden, P. W. Speth, W. Sun, P. Taylor, D. Tobin, and X. Xiong. 2013. "Achieving Climate Change Absolute Accuracy in Orbit." Bulletin of the American Meteorological Society 94 (10): 1519-1539 [10.1175/BAMS-D-12-00149.1]

    Xiong, J., H. Oudrari, K. Chiang, et al. J. McIntire, J. Fulbright, A. Wu, N. Lei, J. Sun, B. Efremova, Z. Wang, S. Lee, T. Schwarting, and J. Butler. 2013. "VIIRS early on-orbit calibration activities and performance." Geoscience and Remote Sensing Symposium (IGARSS) IEEE International [Full Text (Link)]

    Ding, L., M. G. Kowalewski, J. W. Cooper, et al. G. R. Smith, R. A. Barnes, E. Waluschka, and J. J. Butler. 2011. "Development and performance of a filter radiometer monitor system for integrating sphere sources." Optical Engineering 50 (11): 113603 [10.1117/1.3646532]

    Datla, R. U., J. P. Rice, K. Lykke, et al. B. C. Johnson, J. J. Butler, and X. Xiong. 2011. "Best practice guidelines for pre-launch characterization and calibration of instruments for passive optical remote sensing." Journal of Research of the National Institute of Standards and Technology 116 (2): 621-646 [10.6028/jres.116.009]

    Ji, Q., S.-C. Tsay, W. K. Lau, et al. R. A. Hansell, J. J. Butler, and J. W. Cooper. 2011. "A novel nonintrusive method to resolve the thermal dome effect of pyranometers: Radiometric calibration and implications." J. Geophys. Res. 116 (D24): D24105 [Full Text (Link)] [10.1029/2011JD016466]

    Goldberg, M., G. Ohring, J. J. Butler, et al. C. Cao, R. Datla, D. Doelling, V. Gartner, T. Hewison, B. Iacovazzi, D. Kim, T. Kurino, J. Lafeuille, P. Minnis, D. Renault, J. Schmetz, D. Tobin, L. Wang, F. Weng, X. Wu, F. Yu, P. Zhang, and T. Zhu. 2010. "The Global Space-based Inter-Calibration System (GSICS)." Bulletin of the American Meteorological Society 92 467-475

    Georgiev, G., C. Gatebe, J. Butler, and M. King. 2009. "BRDF Analysis of Savanna Vegetation and Salt-Pan Samples." IEEE Trans. Geosci. Remote Sensing 47 (8): 2546-2556 [10.1109/TGRS.2009.2021331]

    Butler, J., S. Janz, B. Johnson, et al. R. Saunders, J. W. Cooper, M. Kowalewski, and R. Barnes. 2008. "Calibration of a radiance standard for the NPP/OMPS instrument." Proc. SPIE 7106, Sensors, Systems, and Next-Generation Satellites XII 7106 71060Z [10.1117/12.800194]

    Georgiev, G., and J. Butler. 2008. "Laboratory-based bidirectional reflectance distribution functions of radiometric tarps." Applied Optics 47 (18): 3313 [10.1364/AO.47.003313]

    Gatebe, C. K., J. J. Butler, J. W. Cooper, M. Kowalewski, and M. D. King. 2007. "Characterization of errors in the use of integrating-sphere systems in the calibration of scanning radiometers." Appl Opt 46 (31): 7640-7651 [10.1364/AO.46.007640]

    Georgiev, G., and J. Butler. 2007. "Long-term calibration monitoring of Spectralon diffusers BRDF in the air-ultraviolet." Applied Optics 46 (32): 7892-7899

    Ohring, G., J. J. Butler, X. Xiong, and S. Ungar. 2007. "Achieving Satellite Instrument Calibration for Climate Change." Eos, Trans AGU 88 (11): 136 [10.1029/2007EO110015]

    Brown, S. W., B. C. Johnson, S. F. Biggar, et al. E. F. Zalewski, J. Cooper, P. Hajek, E. Hildum, P. Grant, R. A. Barnes, and J. J. Butler. 2005. "Radiometric validation of NASA's Ames Research Center's Sensor Calibration Laboratory." Applied Optics 44 6426-6443

    Georgiev, G. T., and J. J. Butler. 2005. "Bidirectional reflectance distribution function and directional-hemispherical reflectance of a martian regolith simulant." Opt Eng 44 (3): 036202-036202-11 [10.1117/1.1870001]

    Eplee, R. E., F. S. Patt, H. Kieffer, et al. T. Stone, G. Meister, J. J. Butler, and C. R. Mc Clain. 2004. "Comparison of SeaWiFS Measurements of the Moon with the U.S. Geological Survey Lunar Model." Applied Optics 43 (31): 5838 [10.1364/AO.43.005838]

    Rice, J. P., J. J. Butler, B. C. Johnson, et al. P. J. Minnett, K. A. Maillet, T. J. Nightingale, S. J. Hook, A. Abtahi, C. J. Donlon, and I. J. Barton. 2003. "The Miami2001 infrared radiometer calibration and intercomparison. Part I: Laboratory Characterization of Blackbody Targets." Journal of Atmospheric and Oceanic Technology 21 258-267

    Johnson, C., S. Brown, K. Lykke, et al. C. Gibson, G. Fargion, G. Meister, S. B. Hooker, B. L. Markham, and J. J. Butler. 2003. "Comparison of cryogenic radiometry and thermal radiometry calibrations at NIST using multi-channel filter radiometers." Metrologia 40 (1): S216-S219 [10.1088/0026-1394/40/1/350]

    Butler, J. J., S. W. Brown, R. D. Saunders, et al. B. C. Johnson, S. F. Biggar, E. F. Zalewski, B. L. Markham, P. N. Gracey, J. B. Young, and R. A. Barnes. 2003. "Radiometric measurement comparison on the integrating sphere source used to calibrate the Moderate Resolution Imaging Spectroradiometer (MODIS) and the Landsat 7 Enhanced Thematic Mapper Plus (ETM+)." J Res Nat'l Inst Standards Tech 108 (3): 199-228

    Butler, J. J., and R. A. Barnes. 2003. "The use of transfer radiometers in validating the visible to shortwave infrared calibrations of radiance sources used by instruments in NASA's Earth Observing System." Metrologia 40 (1): S70-S77

    Brown, S. W., B. C. Johnson, H. W. Yoon, et al. J. J. Butler, R. A. Barnes, S. Biggar, P. Spyak, K. J. Thome, E. Zalewski, M. Helmlinger, C. Bruegge, S. Schiller, G. Fedosejevs, R. Gauthier, S. Tsuchida, and S. Machida. 2001. "Radiometric characterization of field radiometers in support of the 1997 Lunar Lake, Nevada experiment to determine surface reflectance and top-of-atmosphere radiance." Remote Sensing of Environment 77 367-376

    Early, E. A., P. Y. Barnes, B. C. Johnson, et al. J. J. Butler, C. J. Bruegge, S. F. Biggar, P. R. Spyak, and M. M. Pavlov. 1999. "Bidiectional reflectance round-robin in support of the Earth Observing System program." Journal of Atmospheric and Oceanic Technology 17 (8): 1077-1091 [10.1175/1520-0426(2000)017<1077:BRRRIS>2.0.CO;2]

    Janz, S., E. Hilsenrath, J. Butler, D. F. Heath, and R. P. Cebula. 1995. "Uncertainties in radiance calibrations of backscatter ultraviolet (BUV) instruments." Metrologia 32 (6): 637-641 [10.1088/0026-1394/32/6/48]

    McDermid, I. S., S. M. Godin, R. A. Barnes, et al. C. L. Parsons, A. Torres, M. P. McCormick, W. P. Chu, P. Wang, J. J. Butler, P. A. Newman, J. Burris, R. Ferrare, D. N. Whiteman, and T. J. Mcgee. 1990. "Comparison of ozone profiles from ground-based lidar, electrochemical concentration cell balloon sonde, ROCOZ-A rocket ozonesonde, and Stratospheric Aerosol and Gas Experiment satellite measurements." J. Geophys. Res 95 (D7): 10037-10042 [10.1029/JD095iD07p10037]

    Mcgee, T. J., R. Ferrare, J. Butler, et al. P. Newman, D. Whiteman, J. Burris, S. Godin, and I. S. McDermid. 1990. "Lidar Observations of Ozone Changes Induced by Air Mass Motions." J. Geophys. Res 95 20527-20530

    Non-Refereed

    McAndrew, B., and J. T. McCorkel. 2019. "Time resolved irradiance of an integrating sphere illuminated by a mode-locked optical parametric oscillator." Earth Observing Systems XXIV [10.1117/12.2530295]

    Moeller, C. C., T. A. Schwarting, J. T. McCorkel, D. I. Moyer, and J. McIntire. 2019. "The JPSS-2 VIIRS version 2 (at-launch) relative spectral response characterization." Earth Observing Systems XXIV [10.1117/12.2530022]

    Barsi, J. A., J. McCorkel, B. McAndrew, et al. B. J. Zukowski, T. M. Shuman, S. Johnston, and B. L. Markham. 2018. "Spectral testing of the Landsat-9 OLI-2 instrument using the Goddard Laser Absolute Measurement of Radiance (GLAMR)." Earth Observing Systems XXIII [10.1117/12.2321192]

    Czapla-Myers, J. S., C. Coburn, K. Thome, B. Wenny, and N. Anderson. 2018. "Directional reflectance studies in support of the Radiometric Calibration Test Site (RadCaTS) at Railroad Valley." Earth Observing Systems XXIII [10.1117/12.2320756]

    Georgiev, G. T., J. J. Butler, K. J. Thome, C. Cooksey, and L. Ding. 2017. "Establishing BRDF calibration capabilities through shortwave infrared." Proceedings SPIE, Earth Observing Systems XXII; 10402 [10.1117/12.2273007]

    Georgiev, G. T., J. J. Butler, K. J. Thome, C. Cooksey, and L. Ding. 2016. "Preliminary results of BTDF calibration of transmissive solar diffusers for remote sensing." Proc. SPIE, Earth Observing Systems XXI 9972 [10.1117/12.2235802]

    Waluschka, E., J. McCorkel, J. McIntire, et al. D. Moyer, B. McAndrew, S. W. Brown, K. R. Lykke, J. B. Young, E. Fest, J. Butler, T. R. Wang, E. O. Monroy, K. Turpie, G. Meister, and K. J. Thome. 2015. "VIIRS/J1 polarization narrative." Earth Observing Systems XX [10.1117/12.2190138]

    Xiong, X., J. Fulbright, Z. Wang, and J. Butler. 2015. "An overview of S-NPP VIIRS lunar calibration." 2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 3910-3913 [10.1109/igarss.2015.7326679]

    Efremova, B., A. Wu, X. Xiong, and J. J. Butler. 2014. "CLARREO Calibration Uncertainty Assessment Tool: Status and Path Forward." SPIE Proceedings on Earth Observing Systems XIX 9218 9218U-1-9281U-8 [10.1117/12.2061962]

    Xiong, X., J. J. Butler, K. V. Chiang, et al. B. Efremova, J. P. Fulbright, N. Lei, J. W. Mcintire, and Z. Wang. 2014. "VIIRS on-orbit calibration and performance update ." Geoscience and Remote Sensing Symposium (IGARSS), 2014 IEEE International 1389 - 1392 [10.1109/IGARSS.2014.6946694]

    Oudrari, H., J. W. Mcintire, D. Moyer, et al. V. Chiang, J. Xiong, and J. Butler. 2012. "Preliminary Assessment of Suomi-NPP VIIRS On-orbit Radiometric Performance."

    Georgiev, G. T., J. J. Butler, C. Cooksey, L. Ding, and K. J. Thome. 2011. "SWIR Calibration of Spectralon reflectance factor." Proceedings of SPIE, Sensors, Systems, and Next-Generation Satellites XV 8176 81760W [10.1117/12.898325]

    Georgiev, G. T., J. J. Butler, K. J. Thome, K. J. Ranson, and M. D. King. 2011. "Assessment of multiangu-lar polarization contribution to the bidirectional reflectance of natural samples." IEEE International Geoscience Remote Sensing Symposium (IGARSS) 1017-1020 [10.1109/IGARSS.2011.6049306]

    Georgiev, G. T., J. J. Butler, K. J. Thome, K. J. Ranson, and M. D. King. 2010. "The effect of incident light polarization on vegetation bidirectional reflectance factor." 2010 IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 1652-1655 [10.1109/IGARSS.2010.5652893]

    Barnes, R. A., S. W. Brown, K. R. Lykke, et al. B. Guenther, X. Xiong, and J. J. Butler. 2010. "Comparison of two methodologies for calibrating satellite instruments in the visible and near infrared." Proc. SPIE 7862, Earth Observing Missions and Sensors: Development Implementation and Characterization 7862 78620C [10.1117/12.868356]

    Georgiev, G. T., and J. J. Butler. 2009. "Progress in BRDF calibration measurements in the SWIR." Proc SPIE Earth Observing Systems XIV 7452 (745205): [10.1117/12.827356]

    Georgiev, G. T., and J. J. Butler. 2008. "BRDF study of gray-scale Spectralon." Proc SPIE Int Soc Opt Eng: Earth Observing Systems XIII 7081 (708107): 9 pp. [ 10.1117/12.795931]

    Georgiev, G. T., C. K. Gatebe, J. J. Butler, and M. D. King. 2008. "BRDF of Salt Pan Regolith Samples." IGARSS 2008 - 2008 IEEE International Geoscience and Remote Sensing Symposium IV-573 - IV-576 [10.1109/IGARSS.2008.4779786]

    Barnes, R. A., and J. J. Butler. 2007. "Modeling spectral effects in Earth-observing satellite instruments." Proc SPIE Int Soc Opt Eng 6744 21 pp [10.1117/12.736683]

    Oudrari, H., X. Xiong, J. J. Butler, S. Xiong, and N. Che. 2007. "Sensitivity Study for Sensor Optical and Electric Crosstalk Based on Spectral Measurements: An Approach to Developmental Sensors Using Sensors Such As MODIS." Proc IGARSS 2856-2859

    Xiong, X., J. J. Butler, W. L. Barnes, and B. Guenther. 2007. "Sensor On-orbit Calibration and Characterization Using Spacecraft Maneuvers." Proc IGARSS 2256-2259

    Barnes, R. A., S. W. Brown, K. R. Lykke, G. T. Fraser, and J. J. Butler. 2007. "System-level pre-launch calibration of onboard solar diffusers." Proc SPIE Int Soc Opt Eng 6677 15 pp [10.1117/12.731804]

    Butler, J. J., B. C. Johnson, J. P. Rice, S. W. Brown, and R. A. Barnes. 2007. "Validation of radiometric standards for the laboratory calibration of reflected-solar Earth-observing satellite instruments." Proc SPIE Int Soc Opt Eng 6677 13 pp

    Barnes, R. A., J. W. Cooper, J. E. Marketon, et al. S. W. Brown, B. C. Johnson, and J. J. Butler. 2006. "Bandwidth and spectral stray light effects in the NASA GSFC Radiometric Calibration Facility primary transfer radiometer." Proc SPIE Int Soc Opt Eng 6296 14 pp [10.1117/12.679493]

    Georgiev, G. T., C. K. Gatebe, J. J. Butler, and M. D. King. 2006. "Comparison between laboratory and airborne BRDF measurements for remote sensing." Proc SPIE Int Soc Opt Eng 6296 10 pp [10.1117/12.680542]

    Butler, J. J., R. A. Barnes, and B. C. Johnson. 2005. "The Calibration and Characterization of Earth Remote Sensing and Environmental Monitoring Instruments." The Practice of Optical Radiometry Chapter 10, 453-534

    Georgiev, G. T., and J. J. Butler. 2005. "The effect of speckle on BRDF measurements." Proc SPIE 5882 (588203): 21-32

    Patt, F., R. Eplee, R. A. Barnes, G. Meister, and J. J. Butler. 2005. "Use of the moon as a calibration reference for NPP VIIRS." Proc SPIE Int Soc Opt Eng 5882 385-396

    Butler, J. J., G. Meister, F. Patt, and R. A. Barnes. 2004. "Use of the Moon as a reference for satellite-based climate change measurements." Proc SPIE Int Soc Opt Eng 5570 328-341

                                                                                                                                                                                            
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