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Bryan Franz
Bryan Franz
Email | Website
Ocean Ecology Laboratory, NASA Goddard Space Flight Center
Title: Science Data Segment Manager

Science Meeting Presentations (6)

PACE Atmospheric Correction Focusing on Adaptation of NASA’s Heritage Algorithm
Franz, B., Ibrahim, A., Ahmad, Z., Gao, B-C., and Zhai, P. (16-Jan-18)
PACE Atmospheric Correction Focusing on Adaptation of NASA’s Heritage Algorithm
Franz, B., Ibrahim, A., Ahmad, Z., Healy, R., and Gao, B-C. (17-Jan-17)
Subgroup Report: Proxy Datasets
Knobelspiesse, K., Franz, B., and Ibrahim, A. (17-Jan-17)
Available Datasets with Polarimeter Data
Chowdhary, J., Franz, B., Guild, L., Knobelspiesse, K., and Palacios, S. (21-Jan-16)
Implementing Heritage AC Algorighm for Hyperspectral Rrs Retrieval
Ibraham, A., Franz, B., Ahmad, Z., Healy, R., and Gao, B-C. (21-Jan-16)
Atmospheric Correction Discussion : Where We are Today, and Where We Might be in 2.5 Years
Franz, B. (15-Jan-15)

Publications (42)

Remer, L.A., Knobelspiesse, K., Zhai, P-W., Xu, F., Kalashnikova, O.V., Chowdhary, J., Hasekamp, O., Dubovik, O., Wu, L., Ahmad, Z., Boss, E., Cairns, B., Coddington, O., Davis, A.B., Dierssen, H.M., Diner, D.J., Franz, B., Frouin, R., Gao, B-C., Ibrahim, A., Levy, R.C., Martins, J.V., Omar, A.H., and Torres, Om (2019). Retrieving Aerosol Characteristics From the PACE Mission, Part 2: Multi-Angle and Polarimetry, Front. Earth Sci., 7, 94, doi: 10.3389/fenvs.2019.00094.
Frouin, R.J., Franz, B.A., Ibrahim, A., Knobelspiesse, K., Ahmad, Z., Cairns, B., Chowdhary, J., Dierssen, H.M., Tan, J., Dubovik, O., Huang, X., Davis, A.B., Kalashnikova, O., Thompson, D.R., Remer, L.A., Boss, E., Coddington, O., Deschamps, P-Y., Gao, B-C., Gross, L., Hasekamp, O., Omar, A., Pelletier, B., Ramon, D., Steinmetz, F., and Zhai, P-W. (2019). Atmospheric Correction of Satellite Ocean-Color Imagery During the PACE Era, Front. Earth Sci., 7, 145, doi: 10.3389/feart.2019.00145.
Remer, L.A., Davis, A.B., Mattoo, S., Levy, R.C., Kalashnikova, O.V., Coddington, O., Chowdhary, J., Knobelspiesse, K., Xu, X., Ahmad, Z., Boss, E., Cairns, B., Dierssen, H.M., Diner, D.J., Franz, B., Frouin, R., Gao, B-C., Ibrahim, A., Martins, J.V., Omar, A.H., Torres, O., Xu, F., and Zhai, P-W. (2019). Retrieving Aerosol Characteristics From the PACE Mission, Part 1: Ocean Color Instrument, Front. Earth Sci., 7, 152, doi: 10.3389/feart.2019.00152.
Ibrahim, A., Franz, B.A., Ahmad, Z., and Bailey, S.W. (2019). Multiband Atmospheric Correction Algorithm for Ocean Color Retrievals, Front. Earth Sci., 7, 116, doi: 10.3389/feart.2019.00116.
*Franz, B.A., Cetinić, I., Karaköylü, E.M., Siegel, D.A., and Westberry, T.K. (2019). Global Ocean Phytoplankton [in State of the Climate 2018], Bull. Amer. Meteor. Soc., 100(9), S92-S93, doi: 10.1175/2019BAMSStateoftheClimate.1.
*Franz, B.A., Cetinić, I., Karaköylü, E.M., Siegel, D.A., and Westberry, T.K. (2019). Global Ocean Phytoplankton [in State of the Climate 2018], Bull. Amer. Meteor. Soc., 100(9), S92-S93, doi: 10.1175/2019BAMSStateoftheClimate.1.
*Gao, M., Zhai, P.-W., Franz, B., Hu, Y., Knobelspiesse, K., Werdell, P. J., Ibrahim, A., Cairns, B., and Chase, A. (2019). Inversion of Multiangular Polarimetric Measurements Over Open and Coastal Ocean Waters: A Joint Retrieval Algorithm for Aerosol and Water-leaving Radiance Properties, Atmos. Meas. Tech., 12(7), 3921–3941, doi: 10.5194/amt-12-3921-2019.
*Jamet, C., Ibrahim, A., Ahmad, Z., Angelini, F., Babin, M., Behrenfeld, M., Boss, E., Cairns, B., Churnside, J., Chowdhary, J., Davis, A. B., Dionisi, D., Duforêt-Gaurier, L., Franz, B., Frouin, R., Gao, M., Gray, D., Hasekamp, O., He, X., Hostetler, C., Kalashnikova, O.., Knobelspiesse, K., Lacour, L., Loisel, H., Martins, V., Rehm, E., Remer, L., Sanhaj, I., Stamnes, K., Stamnes, S., Victori, S., Werdell, J., and Zhai, P.-W. (2019). Going Beyond Standard Ocean Color Observations: Lidar and Polarimetry, Front. Mar. Sci., 6, 251, doi: 10.3389/fmars.2019.00251.
Werdell, P.J., Behrenfeld, M.J., Bontempi, P.S., Boss, E., Cairns, B., Davis, G.T., Franz, B.A., Gliese, U.B., Gorman, E.T., Hasekamp, O., Knobelspiesse, K.D., Mannino, A., Martins, J.V., McClain, C.R., Meister, G., and Remer, L.A. (2019). The Plankton, Aerosol, Cloud, Ocean Ecosystem Mission: Status, Science, Advances, Bull. Am. Meteorol. Soc., 100(9), doi: 10.1175/BAMS-D-18-0056.1.
*Gao, M., Zhai, P.-W., Franz, B., Hu, Y., Knobelspiesse, K., Werdell, P. J., Ibrahim, A., Xu, F., and Cairns, B. (2018). Retrieval of Aerosol Properties and Water-leaving Reflectance from Multi-angular Polarimetric Measurements Over Coastal Waters, Opt. Express, 26(7), 8968-8989, doi: 10.1364/OE.26.008968.
Ibrahim, A., Franz, B., Ahmad, Z., Healy, R., Knobelspiesse, K., Gao, B.-C., Proctor, C., and Zhai, P.-W. (2017). Atmospheric Correction for Hyperspectral Ocean Color Retrieval with Application to the Hyperspectral Imager for the Coastal Ocean (HICO), Rem. Sens. Envir., 204, 60-75, doi: 10.1016/j.rse.2017.10.041.
Zhai, P.-W., Knobelspiesse, K., Ibrahim, A., Franz, B., Hu, Y., Gao, M., and Frouin, R. (2017). Water-leaving Contribution to Polarized Radiation Field Over Ocean, Opt. Express, 25(16), A689-A708, doi: 10.1364/OE.25.00A689.
Pahlevan, N., Sarkar, S., and Franz, B.A. (2016). Uncertainties in Coastal Ocean Color Products: Impacts of Spatial Sampling, Remote Sens. Environ., 181, 14-26, doi: 10.1016/j.rse.2016.03.022.
Kahn, R.A., Sayer, A.M., Ahmad, Z., and Franz, B.A. (2016). The Sensitivity of SeaWiFS Ocean Color Retrievals to Aerosol Amount and Type, J. Atmos. and Oceanic Tech., 33(6), 1185-1209, doi: 10.1175/JTECH-D-15-0121.1.
*Zhai, P.-W., Hu, Y., Winker, D.M., Franz, B.A., and Boss, E. (2015). Contribution of Raman Scattering to Polarized Radiation Field in Ocean Waters, Opt. Express, 23(18), 23582-23596, doi: 10.1364/oe.23.023582.
Franz, B.A., Behrenfeld, M., Siegel, D., and Werdell, P.J. (2015). Global Ocean Phytoplankton [in State of the Climate in 2014], Bull. Am. Meteorol. Soc., 96(7), S85-S87, doi: 10.1175/2015BAMSStateoftheClimate.1.
Franz, B.A., Bailey, S.W., Kuring, N.A., and Werdell, P.J. (2015). Ocean Color Measurements with the Operational Land Imager on Landsat-8: Implementation and Evaluation in SeaDAS, J. Appl. Remote Sens., 9(1), 096070, doi: 10.1117/1.JRS.9.096070.
Zibordi, G., Mélin, F., Voss, K.J., Johnson, B.C., Franz, B.A., Kwiatkowska, E., Huot, J.-P., Wang, M., and Antoine, D. (2015). System Vicarious Calibration for Ocean Color Climate Change Applications: Requirements for In Situ Data, Remote Sens. Environ., 159(15), 361-369, doi: 10.1016/j.rse.2014.12.015.
Signorini, S.R., Franz, B.A., and McClain, C.R. (2015). Chlorophyll Variability in the Oligotrophic Gyres: Mechanisms, Seasonality and Trends, Front. Mar. Sci., 2, 1, doi: 10.3389/fmars.2015.00001.
Mélin, F. and Franz, B.A. (2014). Assessment of Satellite Ocean Colour Radiometry and Derived Geophysical Products (Chapter 6.1), Optical Radiometry for Ocean Climate Measurements (A. Parr, ed.), Academic Press, 47, 609-638, doi: 10.1016/B978-0-12-417011-7.00020-9.
Werdell, P.J., Franz, B.A., Lefler, J.T., Robinson, W.D., and Boss, E. (2013). Retrieving Marine Inherent Optical Properties from Satellites Using Temperature and Salinity-dependent Backscattering by Seawater, Opt. Express, 21(26), 32611-32622, doi: 10.1364/OE.21.032611.
Siegel, D.A., Behrenfeld, M.J., Maritorena, S., McClain, C.R., Antoine, D., Bailey, S.W., Bontempi, P.S., Boss, E.S., Dierssen, H.M., Doney, S.C., Eplee, R.E., Evans, R.H., Feldman, G.C., Fields, E., Franz, B.A., Kuring, N.A., Mengelt, C., Nelson, N.B., Patt, F.S., Robinson, W.D., Sarmiento, J.L., Swan, C.M., Werdell, P.J., Westberry, T.K., Wilding, J.G., and Yoder, J.A. (2013). Regional to Global Assessments of Phytoplankton Dynamics from the SeaWiFS Mission, Remote Sens. Environ., 135, 77-91, doi: 10.1016/j.rse.2013.03.025.
Huot, Y., Franz, B.A., and Fradette, M. (2013). Estimating Variability in the Quantum Yield of Sun-induced Chlorophyll Fluorescence: A Global Analysis of Oceanic Waters, Remote Sens. Environ., 132, 238-253, doi: 10.1016/j.rse.2013.01.003.
Werdell, P.J., Franz, B.A., Bailey, S.W., Feldman, G.C., Boss, E., Brando, V.E., Dowell, M., Hirata, T., Lavender, S.J., Lee, Z.P., Loisel, H., Maritorena, S., Mélin, F., Moore, T.S., Smyth, T.J., Antoine, D., Devred, E., d'Andon, O.H.F., and Mangin, A. (2013). Generalized Ocean Color Inversion Model for Retrieving Marine Inherent Optical Properties, Appl. Opt., 52(10), 2019-2037, doi: 10.1364/AO.52.002019.
Hu, C., Feng, L., Lee, Z.P., Davis, C.O., Mannino, A., McClain, C.R., and Franz, B.A. (2012). Dynamic Range and Sensitivity Requirements of Satellite Ocean Color Sensors: Learning from the Past, Appl. Opt., 51(25), 6045-6062, doi: 10.1364/AO.51.006045.
Moore, T.M., Dowell, M.D., and Franz, B.A. (2012). Detection of Coccolithophore Blooms in Ocean Color Satellite Imagery: A Generalized Approach for Use with Multiple Sensors, Remote Sens. Environ., 117, 249-263, doi: 10.1016/j.rse.2011.10.001.
Hu, C., Lee, Z.P. and Franz, B. (2012). Chlorophyll-a Algorithms for Oligotrophic Oceans: A Novel Approach Based on Three-band Reflectance Difference, J. Geophys. Res., 117, C01011, doi: 10.1029/2011JC007395.
Ahmad, Z., Franz, B.A., McClain, C.R., Kwiatkowska, E.J., Werdell, P.J., Shettle, E.P., and Holben, B.N. (2010). New Aerosol Models for the Retrieval of Aerosol Optical Thickness and Normalized Water-leaving Radiances from the SeaWiFS and MODIS Sensors Over Coastal Regions and Open Oceans, Appl. Opt., 49(29), 5545-5560, doi: 10.1364/AO.49.005545.
Franz, B.A. and Werdell, P.J. (2010). A Generalized Framework for Modeling of Inherent Optical Properties in Ocean Remote Sensing Applications, Proc. Ocean Optics XX.
Siegel, D.A. and Franz, B.A. (2010). Oceanography: Century of Phytoplankton Change, Nature, 466(7306), 569-571, doi: 10.1038/466569a.
Bailey, S.W., Franz, B.A., and Werdell, P.J. (2010). Estimation of Near-infrared Water-leaving Reflectance for Satellite Ocean Color Data Processing, Opt. Express, 18(7), 7521-7527, doi: 10.1364/OE.18.007521.
Behrenfeld, M.J., Westberry, T.K., Boss, E.S., O'Malley, R.T., Siegel, D.A., Wiggert, J.D., Franz, B.A., McClain, C.R., Feldman, G.C., Doney, S.C., Moore, J.K., Dall'Olmo, G., Milligan, A.J., Lima, I., and Mahowald, N. (2009). Satellite-detected Fluorescence Reveals Global Physiology of Ocean Phytoplankton, Biogeosciences, 6, 779-794, doi:10.5194/bg-6-779-2009.
Kuchinke, C.P., Gordon, H.R., and Franz, B.A. (2009). Spectral Optimization for Constituent Retrieval in Case 2 Waters I: Implementation and Performance, Remote Sens. Environ., 113(3), 571-587, doi: 10.1016/j.rse.2008.11.001.
Kwiatkowska, E., Franz, B.A., Meister, G., McClain, C.R., and Xiong, X. (2008). Cross Calibration of Ocean-color Bands from Moderate Resolution Imaging Spectroradiometer on Terra Platform, Appl. Opt., 47(36), 6796-6810, doi: 10.1364/AO.47.006796.
Franz, B. A., Kwiatkowska, E., Meister, G., and McClain, C.R. (2008). Moderate Resolution Imaging Spectroradiometer on Terra: Limitations for Ocean Color Applications, J. Appl. Remote Sens., 2(1), 023525, doi: 10.1117/1.2957964.
Gordon, H.R. and Franz, B.A. (2008). Remote Sensing of Ocean Color: Assessment of the Water-leaving Radiance Bidirectional Effects on the Atmospheric Diffuse Transmittance for SeaWiFS and MODIS Intercomparisons, Remote Sens. Environ., 112(5), 2677-2685, doi: 10.1016/j.rse.2007.12.010.
Morel, A., Huot, Y., Gentili, B., Werdell, P.J., Hooker, S.B., and Franz, B.A. (2007). Examining the Consistency of Products Derived from Various Ocean Color Sensors in Open Ocean (Case 1) Waters in the Perspective of Multi-sensor Approach, Remote Sens. Environ., 111(1), 69-88, doi: 10.1016/j.rse.2007.03.012.
Eplee, R.E., Patt, F.A., Franz, B.A., Bailey, S.W., Meister, G., and McClain, C.R. (2007). SeaWiFS On-orbit Gain and Detector Calibrations: Effect on Ocean Products, Appl. Opt., 46(27), 6733-6750, doi: 10.1364/AO.46.006733.
Ahmad, A., McClain, C.R., Herman, J.R., Franz, B.A., Kwiatkowska, E.J., Robinson, W.D., Bucsela, E.J., and Tzortziou, M. (2007). Atmospheric Correction for NO2 Absorption in Retrieving Water-leaving Reflectances from the SeaWiFS and MODIS Measurements, Appl. Opt., 46(26), 6504-6512, doi: 10.1364/AO.46.006504.
Franz, B.A., Bailey, S.W., Werdell, P.J., and McClain, C.R. (2007). Sensor-independent Approach to the Vicarious Calibration of Satellite Ocean Color Radiometry, Appl. Opt., 46(22), 5068-5082, doi: 10.1364/AO.46.005068.
Franz, B.A., Werdell, P.J., Meister, G., Bailey, S.W., Eplee, R.E., Feldman, G.C., Kwiatkowska, E., McClain, C.R., Patt, F.S., and Thomas, D. (2005). The Continuity of Ocean Color Measurements from SeaWiFS to MODIS, Proc. SPIE 5882, Earth Observing Systems X, 58820W (September 08, 2005), doi: 10.1117/12.620069.
Franz, B.A., Eplee, R.E., Bailey, S.W., and Wang, M. (2003). Changes to the Atmospheric Correction Algorithm and Retrieval of Oceanic Optical Properties, NASA/TM 2003-206892, 22, 29-33.
*Funded by PACE