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MSL12 Output Products

Note: As the l2gen code is ever evolving, the information contained on this page may be out-of-date. An alternative source (though also potentially incomplete) the Ocean Color Products and Algorithms page
 
Band number 1 2 3 4 5 6 7 8 9
SeaWiFS Wavelength(nm) 412 443 490 510 555 670 765 865
CZCS Wavelength(nm) 443 520 550 670 750
OCTS Wavelength(nm) 412 443 490 520 565 670 765 865
MOS Wavelength(nm) 408 443 485 520 570 685 750 870
MODIS Wavelength(nm) 412 443 488 531 551 667 678 748 869
Polder Wavelength(nm) 443 490 565 670 765 865
OSMI Wavelength(nm) 443 490 565 670 765 865

Below is the list of ALL possible output products from MSL12, where nnn denotes the band numbers listed above:

  • The PRODUCT NAMEs listed below in Green are Standard Operational Products. These are the products that are routinely & automatically produced in our system and are made available in some form from our web sites.

  • The PRODUCT NAMEs listed below in Orange are Evaluation Products.

    Ocean Bio-Optical Products:

    PRODUCT NAME DESCRIPTION MSL12 VERSION ADDED: UNITS
    Lw_nnn Water-leaving radiance mw/cm^2/um/sr
    nLw_nnn Normalized water-leaving radiance mw/cm^2/um/sr
    Rrs_nnn Remote sensing reflectance 2.2.30  
    K_490 Diffuse attenuation coefficient at 490 nm  
    Kd_nnn_lee Spectral Diffuse Attenuation Coefficient (Kd) algorithm 5.1.2  
    chlor_a Chlorophyll-a concentration, sensor default algorithm mg/m^3
    chl_oc2 Chlorophyll-a concentration, OC2 algorithm mg/m^3
    chl_oc3 Chlorophyll-a concentration, OC3 algorithm mg/m^3
    chl_oc4 Chlorophyll-a concentration, OC4 algorithm 2.0.10 mg/m^3
    chl_octsc Chlorophyll-a concentration, OCTS-C algorithm mg/m^3
    chl_ndpi Chlorophyll-a concentration, Normalized Difference Pigment Index algorithm mg/m^3
    chl_clark Chlorophyll-a concentration, Clark algorithm mg/m^3
    chl_gsm01 Chlorophyll-a concentration, Garver-Siegel-Maritorena-2001 bio-optical model 4.0.4 mg/m^3
    poc_clark Particular Organic Carbon (D.Clark) mg/m^3
    tsm_clark Total suspended matter(D.Clark)  
    a_nnn_gsm01 Garver-Siegel-Maritorena-2001 total absorption at sensor wavelength nnn 4.0.4  
    bb_nnn_gsm01 Garver-Siegel-Maritorena-2001 total backscatter at sensor wavelength nnn 4.0.4  
    bbp_nnn_gsm01 Garver-Siegel-Maritorena-2001 particulate backscatter at sensor wavelength nnn 4.0.4  
    aph_nnn_gsm01 Garver-Siegel-Maritorena-2001 absorption due to phytoplankton at sensor wavelength nnn 4.0.4  
    adg_nnn_gsm01 Garver-Siegel-Maritorena-2001 absorption due to gelbstof and detrital material at sensor wavelength nnn 4.0.4  
    a_nnn_qaa QAA (Quasi-Analytical Algorithm) model (Z.P.Lee) total absorption at sensor wavelength nnn 5.1.2  
    bb_nnn_qaa QAA (Quasi-Analytical Algorithm) model (Z.P.Lee) total backscatter at sensor wavelength nnn 5.1.2  
    bbp_nnn_qaa QAA (Quasi-Analytical Algorithm) model (Z.P.Lee) particulate backscatter at sensor wavelength nnn 5.1.2
    aph_nnn_qaa QAA (Quasi-Analytical Algorithm) model (Z.P.Lee) absorption due to phytoplankton at sensor wavelength nnn 5.1.2  
    adg_nnn_qaa QAA (Quasi-Analytical Algorithm) model (Z.P.Lee) absorption due to gelbstof and detrital material at sensor wavelength nnn 5.1.2  
    calcite Calcite concentration   (merged 2-band & 3-band of Gordon and Balch) 2.2.30 moles/m^3
    calcite_2b Calcite concentration, 2-band algorithm (Gordon and Balch) moles/m^3
    calcite_3b Calcite concentration, 3-band algorithm (Gordon and Balch) moles/m^3
    flh Fluorescence line height  
    cfe Chlorophyll fluorescence efficiency  
    par Photosynthetically active radiation E/m^2/day
    ipar Instantaneous photosynthetically available radiation  
    arp Instantaneous absorbed radiation by phytoplankton  
    l2_flags Level 2 processing flags  

    Ocean Temperature Products:

    PRODUCT NAME DESCRIPTION MSL12 VERSION ADDED: UNITS
    sst Sea Surface Temperature using 11-12um Channels degC
    sst4 Sea Surface Temperature using 4um Channels degC
    qual_sst Quality Levels for sst
    qual_sst4 Quality Levels for sst4
    bias_sst Bias error for sst degC
    bias_sst4 Bias error for sst4 degC
    stdv_sst Standard deviation error for sst degC
    stdv_sst4 Standard deviation error for sst4 degC
    BT_11 Brightness Temperature at 11 um degrees C
    BT_12 Brightness Temperature at 12 um degrees C
    BT_39 Brightness Temperature at 3.9 um degrees C
    BT_40 Brightness Temperature at 4.0 um degrees C

    Land Products:

    PRODUCT NAME DESCRIPTION UNITS
    rhos_nnn Surface reflectance  
    ndvi Normalized Difference Vegetation Index  

    Observed Radiances and Reflectances:

    PRODUCT NAME DESCRIPTION UNITS
    Lt_nnn Calibrated TOA radiance mw/cm^2/um/sr
    rhot_nnn Top of atmosphere reflectance  

    Atmospheric Correction and Other Intermediate Products:

    PRODUCT NAME DESCRIPTION UNITS
    Es_nnn Extraterrestrial solar irradiance mw/cm^2/um
    t_sol_nnn diffuse transmittance, Sun to ground  
    t_sen_nnn diffuse transmittance, ground to sensor  
    t_oz_sol_nnn Ozone transmittance, sun to ground  
    t_oz_sen_nnn Ozone transmittance, ground to sensor  
    t_o2_nnn Total oxygen transmittance  
    glint_coeff Glint radiance normalized by solar irradiance  (ocean only)  
    aerindex Aerosol index  (for identification of absorbing aerosols) (ocean only)  
    cloud_albedo Reflectance used for cloud/ice thresholding (historical name)  
    aer_model aerosol model #   
    aer_model_min Minimum bounding aerosol model #  (ocean only)  
    aer_model_max Maximum bounding aerosol model #  (ocean only)  
    aer_model_ratio Model mixing ratio  (ocean only)  
    aer_num_iter Number of aerosol iterations, NIR correction  (ocean only)  
    epsilon Retrieved epsilon used for model selection at 765 and 865 nm (used for calibration - float format - ocean only)  
    eps_78 Retrieved epsilon used for model selection at 765 and 865 nm (Alternate name for epsilon)  (scaled to byte)  
    angstrom_nnn Aerosol angstrom coefficient  
    taua_nnn Aerosol optical depth  
    Lr_nnn Rayleigh radiance mw/cm^2/um/sr
    La_nnn Aerosol radiance  (ocean only) mw/cm^2/um/sr
    TLg_nnn Top-of-atmosphere(TOA) glint radiance  (ocean only) mw/cm^2/um/sr
    tLf_nnn Foam (white-cap) radiance  (ocean only) mw/cm^2/um/sr
    brdf_nnn Bi-directional reflectance correction factor   (Morel, et al.)  (ocean only)  
    fsol Solar distance correction factor per scan  

    Input Ancillary Products:

    PRODUCT NAME DESCRIPTION UNITS
    ozone Ozone concentration (from input ancillary data)  
    windspeed Magnitude of wind (m/s)  
    windangle Wind direction (deg) N=0, E=90  
    zwind Zonal wind speed (m/s)  
    mwind Meridional wind speed (m/s)  
    water_vapor Precipitable water concentration g/cm^2
    pressure Barometric Pressure mb
    humidity Relative Humidity %
    sstref Sea Surface Temperature  (interpolated from climatology to pixel location) deg C

    Geometry:

    PRODUCT NAME DESCRIPTION UNITS
    solz Solar zenith angle deg
    sola Solar azimuth angle deg
    senz Sensor zenith angle deg
    sena Sensor azimuth angle deg
    height Terrain height m

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    Updated: 07 December 2011