netcdf AquaINFRA_Sentinel3_ds_1_15340660302407130059 {
dimensions:
lat = 4231 ;
lon = 8695 ;
variables:
double lat(lat) ;
lat:units = "degrees_north" ;
lat:standard_name = "latitude" ;
lat:long_name = "Latitude in degrees" ;
lat:coordinates = "lat lon" ;
double lon(lon) ;
lon:units = "degrees_east" ;
lon:standard_name = "longitude" ;
lon:long_name = "Longitude in degrees" ;
lon:coordinates = "lat lon" ;
byte A4O_flag_cloud(lat, lon) ;
A4O_flag_cloud:flag_meanings = "A4O_flag_cloud" ;
A4O_flag_cloud:flag_values = "0U 1U" ;
A4O_flag_cloud:flag_masks = "1U" ;
A4O_flag_cloud:long_name = "Cloud mask from A4O based on A4O_R_toa_1020 bright pixels" ;
byte A4O_flag_cloud_risk(lat, lon) ;
A4O_flag_cloud_risk:flag_meanings = "A4O_flag_cloud_risk" ;
A4O_flag_cloud_risk:flag_values = "0U 1U" ;
A4O_flag_cloud_risk:flag_masks = "1U" ;
A4O_flag_cloud_risk:long_name = "High risk of clouds, which can strongly influence the quality of the retrieval" ;
byte A4O_flag_adjacency(lat, lon) ;
A4O_flag_adjacency:flag_meanings = "A4O_flag_adjacency" ;
A4O_flag_adjacency:flag_values = "0U 1U" ;
A4O_flag_adjacency:flag_masks = "1U" ;
A4O_flag_adjacency:long_name = "Pixel near land or clouds with high risk of retrieval influence, e.g. through sub-pixel contamination of land, optically shallow water, aquatic plants or clouds" ;
A4O_flag_adjacency:coordinates = "lat lon" ;
float A4O_Rrs_n_400(lat, lon) ;
A4O_Rrs_n_400:_FillValue = NaNf ;
A4O_Rrs_n_400:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_400:units = "sr-1" ;
A4O_Rrs_n_400:long_name = "Normalized Remote-sensing reflectance Rrs_n at 400.0 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_400:coordinates = "lat lon" ;
A4O_Rrs_n_400:radiation_wavelength = 400. ;
A4O_Rrs_n_400:radiation_wavelength_unit = "nanometers" ;
float A4O_Rrs_n_412(lat, lon) ;
A4O_Rrs_n_412:_FillValue = NaNf ;
A4O_Rrs_n_412:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_412:units = "sr-1" ;
A4O_Rrs_n_412:long_name = "Normalized Remote-sensing reflectance Rrs_n at 412.5 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_412:coordinates = "lat lon" ;
A4O_Rrs_n_412:radiation_wavelength = 412.5 ;
A4O_Rrs_n_412:radiation_wavelength_unit = "nanometers" ;
float A4O_Rrs_n_442(lat, lon) ;
A4O_Rrs_n_442:_FillValue = NaNf ;
A4O_Rrs_n_442:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_442:units = "sr-1" ;
A4O_Rrs_n_442:long_name = "Normalized Remote-sensing reflectance Rrs_n at 442.5 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_442:coordinates = "lat lon" ;
A4O_Rrs_n_442:radiation_wavelength = 442.5 ;
A4O_Rrs_n_442:radiation_wavelength_unit = "nanometers" ;
float A4O_Rrs_n_490(lat, lon) ;
A4O_Rrs_n_490:_FillValue = NaNf ;
A4O_Rrs_n_490:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_490:units = "sr-1" ;
A4O_Rrs_n_490:long_name = "Normalized Remote-sensing reflectance Rrs_n at 490.0 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_490:coordinates = "lat lon" ;
A4O_Rrs_n_490:radiation_wavelength = 490. ;
A4O_Rrs_n_490:radiation_wavelength_unit = "nanometers" ;
float A4O_Rrs_n_510(lat, lon) ;
A4O_Rrs_n_510:_FillValue = NaNf ;
A4O_Rrs_n_510:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_510:units = "sr-1" ;
A4O_Rrs_n_510:long_name = "Normalized Remote-sensing reflectance Rrs_n at 510.0 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_510:coordinates = "lat lon" ;
A4O_Rrs_n_510:radiation_wavelength = 510. ;
A4O_Rrs_n_510:radiation_wavelength_unit = "nanometers" ;
float A4O_Rrs_n_560(lat, lon) ;
A4O_Rrs_n_560:_FillValue = NaNf ;
A4O_Rrs_n_560:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_560:units = "sr-1" ;
A4O_Rrs_n_560:long_name = "Normalized Remote-sensing reflectance Rrs_n at 560.0 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_560:coordinates = "lat lon" ;
A4O_Rrs_n_560:radiation_wavelength = 560. ;
A4O_Rrs_n_560:radiation_wavelength_unit = "nanometers" ;
float A4O_Rrs_n_620(lat, lon) ;
A4O_Rrs_n_620:_FillValue = NaNf ;
A4O_Rrs_n_620:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_620:units = "sr-1" ;
A4O_Rrs_n_620:long_name = "Normalized Remote-sensing reflectance Rrs_n at 620.0 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_620:coordinates = "lat lon" ;
A4O_Rrs_n_620:radiation_wavelength = 620. ;
A4O_Rrs_n_620:radiation_wavelength_unit = "nanometers" ;
float A4O_Rrs_n_665(lat, lon) ;
A4O_Rrs_n_665:_FillValue = NaNf ;
A4O_Rrs_n_665:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_665:units = "sr-1" ;
A4O_Rrs_n_665:long_name = "Normalized Remote-sensing reflectance Rrs_n at 665.0 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_665:coordinates = "lat lon" ;
A4O_Rrs_n_665:radiation_wavelength = 665. ;
A4O_Rrs_n_665:radiation_wavelength_unit = "nanometers" ;
float A4O_Rrs_n_674(lat, lon) ;
A4O_Rrs_n_674:_FillValue = NaNf ;
A4O_Rrs_n_674:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_674:units = "sr-1" ;
A4O_Rrs_n_674:long_name = "Normalized Remote-sensing reflectance Rrs_n at 673.75 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_674:coordinates = "lat lon" ;
A4O_Rrs_n_674:radiation_wavelength = 673.75 ;
A4O_Rrs_n_674:radiation_wavelength_unit = "nanometers" ;
float A4O_Rrs_n_681(lat, lon) ;
A4O_Rrs_n_681:_FillValue = NaNf ;
A4O_Rrs_n_681:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_681:units = "sr-1" ;
A4O_Rrs_n_681:long_name = "Normalized Remote-sensing reflectance Rrs_n at 681.25 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_681:coordinates = "lat lon" ;
A4O_Rrs_n_681:radiation_wavelength = 681.25 ;
A4O_Rrs_n_681:radiation_wavelength_unit = "nanometers" ;
float A4O_Rrs_n_709(lat, lon) ;
A4O_Rrs_n_709:_FillValue = NaNf ;
A4O_Rrs_n_709:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_709:units = "sr-1" ;
A4O_Rrs_n_709:long_name = "Normalized Remote-sensing reflectance Rrs_n at 708.75 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_709:coordinates = "lat lon" ;
A4O_Rrs_n_709:radiation_wavelength = 708.75 ;
A4O_Rrs_n_709:radiation_wavelength_unit = "nanometers" ;
float A4O_Rrs_n_754(lat, lon) ;
A4O_Rrs_n_754:_FillValue = NaNf ;
A4O_Rrs_n_754:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_754:units = "sr-1" ;
A4O_Rrs_n_754:long_name = "Normalized Remote-sensing reflectance Rrs_n at 753.75 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_754:coordinates = "lat lon" ;
A4O_Rrs_n_754:radiation_wavelength = 753.75 ;
A4O_Rrs_n_754:radiation_wavelength_unit = "nanometers" ;
float A4O_Rrs_n_779(lat, lon) ;
A4O_Rrs_n_779:_FillValue = NaNf ;
A4O_Rrs_n_779:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_779:units = "sr-1" ;
A4O_Rrs_n_779:long_name = "Normalized Remote-sensing reflectance Rrs_n at 778.75 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_779:coordinates = "lat lon" ;
A4O_Rrs_n_779:radiation_wavelength = 778.75 ;
A4O_Rrs_n_779:radiation_wavelength_unit = "nanometers" ;
float A4O_Rrs_n_865(lat, lon) ;
A4O_Rrs_n_865:_FillValue = NaNf ;
A4O_Rrs_n_865:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_865:units = "sr-1" ;
A4O_Rrs_n_865:long_name = "Normalized Remote-sensing reflectance Rrs_n at 865.0 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_865:coordinates = "lat lon" ;
A4O_Rrs_n_865:radiation_wavelength = 865. ;
A4O_Rrs_n_865:radiation_wavelength_unit = "nanometers" ;
float A4O_Rrs_n_885(lat, lon) ;
A4O_Rrs_n_885:_FillValue = NaNf ;
A4O_Rrs_n_885:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_885:units = "sr-1" ;
A4O_Rrs_n_885:long_name = "Normalized Remote-sensing reflectance Rrs_n at 885.0 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_885:coordinates = "lat lon" ;
A4O_Rrs_n_885:radiation_wavelength = 885. ;
A4O_Rrs_n_885:radiation_wavelength_unit = "nanometers" ;
float A4O_Rrs_n_1020(lat, lon) ;
A4O_Rrs_n_1020:_FillValue = NaNf ;
A4O_Rrs_n_1020:gaussSmoothingSigma = 1. ;
A4O_Rrs_n_1020:units = "sr-1" ;
A4O_Rrs_n_1020:long_name = "Normalized Remote-sensing reflectance Rrs_n at 1020.0 nanometers delivered by the atmospheric correction A4O" ;
A4O_Rrs_n_1020:coordinates = "lat lon" ;
A4O_Rrs_n_1020:radiation_wavelength = 1020. ;
A4O_Rrs_n_1020:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_400(lat, lon) ;
A4O_R_toa_400:_FillValue = NaNf ;
A4O_R_toa_400:units = "1" ;
A4O_R_toa_400:long_name = "Reflectance at the Top-of-Atmosphere at 400.0 nanometers" ;
A4O_R_toa_400:coordinates = "lat lon" ;
A4O_R_toa_400:radiation_wavelength = 400. ;
A4O_R_toa_400:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_412(lat, lon) ;
A4O_R_toa_412:_FillValue = NaNf ;
A4O_R_toa_412:units = "1" ;
A4O_R_toa_412:long_name = "Reflectance at the Top-of-Atmosphere at 412.5 nanometers" ;
A4O_R_toa_412:coordinates = "lat lon" ;
A4O_R_toa_412:radiation_wavelength = 412.5 ;
A4O_R_toa_412:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_442(lat, lon) ;
A4O_R_toa_442:_FillValue = NaNf ;
A4O_R_toa_442:units = "1" ;
A4O_R_toa_442:long_name = "Reflectance at the Top-of-Atmosphere at 442.5 nanometers" ;
A4O_R_toa_442:coordinates = "lat lon" ;
A4O_R_toa_442:radiation_wavelength = 442.5 ;
A4O_R_toa_442:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_490(lat, lon) ;
A4O_R_toa_490:_FillValue = NaNf ;
A4O_R_toa_490:units = "1" ;
A4O_R_toa_490:long_name = "Reflectance at the Top-of-Atmosphere at 490.0 nanometers" ;
A4O_R_toa_490:coordinates = "lat lon" ;
A4O_R_toa_490:radiation_wavelength = 490. ;
A4O_R_toa_490:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_510(lat, lon) ;
A4O_R_toa_510:_FillValue = NaNf ;
A4O_R_toa_510:units = "1" ;
A4O_R_toa_510:long_name = "Reflectance at the Top-of-Atmosphere at 510.0 nanometers" ;
A4O_R_toa_510:coordinates = "lat lon" ;
A4O_R_toa_510:radiation_wavelength = 510. ;
A4O_R_toa_510:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_560(lat, lon) ;
A4O_R_toa_560:_FillValue = NaNf ;
A4O_R_toa_560:units = "1" ;
A4O_R_toa_560:long_name = "Reflectance at the Top-of-Atmosphere at 560.0 nanometers" ;
A4O_R_toa_560:coordinates = "lat lon" ;
A4O_R_toa_560:radiation_wavelength = 560. ;
A4O_R_toa_560:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_620(lat, lon) ;
A4O_R_toa_620:_FillValue = NaNf ;
A4O_R_toa_620:units = "1" ;
A4O_R_toa_620:long_name = "Reflectance at the Top-of-Atmosphere at 620.0 nanometers" ;
A4O_R_toa_620:coordinates = "lat lon" ;
A4O_R_toa_620:radiation_wavelength = 620. ;
A4O_R_toa_620:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_665(lat, lon) ;
A4O_R_toa_665:_FillValue = NaNf ;
A4O_R_toa_665:units = "1" ;
A4O_R_toa_665:long_name = "Reflectance at the Top-of-Atmosphere at 665.0 nanometers" ;
A4O_R_toa_665:coordinates = "lat lon" ;
A4O_R_toa_665:radiation_wavelength = 665. ;
A4O_R_toa_665:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_674(lat, lon) ;
A4O_R_toa_674:_FillValue = NaNf ;
A4O_R_toa_674:units = "1" ;
A4O_R_toa_674:long_name = "Reflectance at the Top-of-Atmosphere at 673.75 nanometers" ;
A4O_R_toa_674:coordinates = "lat lon" ;
A4O_R_toa_674:radiation_wavelength = 673.75 ;
A4O_R_toa_674:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_681(lat, lon) ;
A4O_R_toa_681:_FillValue = NaNf ;
A4O_R_toa_681:units = "1" ;
A4O_R_toa_681:long_name = "Reflectance at the Top-of-Atmosphere at 681.25 nanometers" ;
A4O_R_toa_681:coordinates = "lat lon" ;
A4O_R_toa_681:radiation_wavelength = 681.25 ;
A4O_R_toa_681:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_709(lat, lon) ;
A4O_R_toa_709:_FillValue = NaNf ;
A4O_R_toa_709:units = "1" ;
A4O_R_toa_709:long_name = "Reflectance at the Top-of-Atmosphere at 708.75 nanometers" ;
A4O_R_toa_709:coordinates = "lat lon" ;
A4O_R_toa_709:radiation_wavelength = 708.75 ;
A4O_R_toa_709:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_754(lat, lon) ;
A4O_R_toa_754:_FillValue = NaNf ;
A4O_R_toa_754:units = "1" ;
A4O_R_toa_754:long_name = "Reflectance at the Top-of-Atmosphere at 753.75 nanometers" ;
A4O_R_toa_754:coordinates = "lat lon" ;
A4O_R_toa_754:radiation_wavelength = 753.75 ;
A4O_R_toa_754:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_761(lat, lon) ;
A4O_R_toa_761:_FillValue = NaNf ;
A4O_R_toa_761:units = "1" ;
A4O_R_toa_761:long_name = "Reflectance at the Top-of-Atmosphere at 761.25 nanometers" ;
A4O_R_toa_761:coordinates = "lat lon" ;
A4O_R_toa_761:radiation_wavelength = 761.25 ;
A4O_R_toa_761:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_764(lat, lon) ;
A4O_R_toa_764:_FillValue = NaNf ;
A4O_R_toa_764:units = "1" ;
A4O_R_toa_764:long_name = "Reflectance at the Top-of-Atmosphere at 764.375 nanometers" ;
A4O_R_toa_764:coordinates = "lat lon" ;
A4O_R_toa_764:radiation_wavelength = 764.375 ;
A4O_R_toa_764:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_767(lat, lon) ;
A4O_R_toa_767:_FillValue = NaNf ;
A4O_R_toa_767:units = "1" ;
A4O_R_toa_767:long_name = "Reflectance at the Top-of-Atmosphere at 767.5 nanometers" ;
A4O_R_toa_767:coordinates = "lat lon" ;
A4O_R_toa_767:radiation_wavelength = 767.5 ;
A4O_R_toa_767:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_779(lat, lon) ;
A4O_R_toa_779:_FillValue = NaNf ;
A4O_R_toa_779:units = "1" ;
A4O_R_toa_779:long_name = "Reflectance at the Top-of-Atmosphere at 778.75 nanometers" ;
A4O_R_toa_779:coordinates = "lat lon" ;
A4O_R_toa_779:radiation_wavelength = 778.75 ;
A4O_R_toa_779:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_865(lat, lon) ;
A4O_R_toa_865:_FillValue = NaNf ;
A4O_R_toa_865:units = "1" ;
A4O_R_toa_865:long_name = "Reflectance at the Top-of-Atmosphere at 865.0 nanometers" ;
A4O_R_toa_865:coordinates = "lat lon" ;
A4O_R_toa_865:radiation_wavelength = 865. ;
A4O_R_toa_865:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_885(lat, lon) ;
A4O_R_toa_885:_FillValue = NaNf ;
A4O_R_toa_885:units = "1" ;
A4O_R_toa_885:long_name = "Reflectance at the Top-of-Atmosphere at 885.0 nanometers" ;
A4O_R_toa_885:coordinates = "lat lon" ;
A4O_R_toa_885:radiation_wavelength = 885. ;
A4O_R_toa_885:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_900(lat, lon) ;
A4O_R_toa_900:_FillValue = NaNf ;
A4O_R_toa_900:units = "1" ;
A4O_R_toa_900:long_name = "Reflectance at the Top-of-Atmosphere at 900.0 nanometers" ;
A4O_R_toa_900:coordinates = "lat lon" ;
A4O_R_toa_900:radiation_wavelength = 900. ;
A4O_R_toa_900:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_940(lat, lon) ;
A4O_R_toa_940:_FillValue = NaNf ;
A4O_R_toa_940:units = "1" ;
A4O_R_toa_940:long_name = "Reflectance at the Top-of-Atmosphere at 940.0 nanometers" ;
A4O_R_toa_940:coordinates = "lat lon" ;
A4O_R_toa_940:radiation_wavelength = 940. ;
A4O_R_toa_940:radiation_wavelength_unit = "nanometers" ;
float A4O_R_toa_1020(lat, lon) ;
A4O_R_toa_1020:_FillValue = NaNf ;
A4O_R_toa_1020:units = "1" ;
A4O_R_toa_1020:long_name = "Reflectance at the Top-of-Atmosphere at 1020.0 nanometers" ;
A4O_R_toa_1020:coordinates = "lat lon" ;
A4O_R_toa_1020:radiation_wavelength = 1020. ;
A4O_R_toa_1020:radiation_wavelength_unit = "nanometers" ;
float A4O_SST(lat, lon) ;
A4O_SST:_FillValue = NaNf ;
A4O_SST:gaussSmoothingSigma = 1. ;
A4O_SST:units = "degC" ;
A4O_SST:standard_name = "sea_surface_temperature" ;
A4O_SST:long_name = "Monthly average of the Sea Surface Temperature from climatology" ;
A4O_SST:coordinates = "lat lon" ;
float A4O_SSS(lat, lon) ;
A4O_SSS:_FillValue = NaNf ;
A4O_SSS:gaussSmoothingSigma = 1. ;
A4O_SSS:units = "1e-3" ;
A4O_SSS:standard_name = "sea_surface_salinity" ;
A4O_SSS:long_name = "Annual average of the Sea Surface Salinity from climatology" ;
A4O_SSS:coordinates = "lat lon" ;
float A4O_A_wc(lat, lon) ;
A4O_A_wc:_FillValue = NaNf ;
A4O_A_wc:gaussSmoothingSigma = 1. ;
A4O_A_wc:units = "1" ;
A4O_A_wc:long_name = "Percentage whitecap fraction of water areas based on wind speed and sea surface temperature" ;
A4O_A_wc:coordinates = "lat lon" ;
float L1_Wind_speed(lat, lon) ;
L1_Wind_speed:_FillValue = NaNf ;
L1_Wind_speed:gaussSmoothingSigma = 9LL ;
L1_Wind_speed:units = "m.s-1" ;
L1_Wind_speed:standard_name = "wind_speed" ;
L1_Wind_speed:long_name = "Wind speed (omnidirectional) from Level-1" ;
L1_Wind_speed:coordinates = "lat lon" ;
float ONNS_a_g_440(lat, lon) ;
ONNS_a_g_440:_FillValue = NaNf ;
ONNS_a_g_440:gaussSmoothingSigma = 1. ;
ONNS_a_g_440:units = "m-1" ;
ONNS_a_g_440:long_name = "(ONNS) CDOM absorption coefficient at 440 nm (from IOP nets)" ;
ONNS_a_g_440:coordinates = "lat lon" ;
float ONNS_a_p_440(lat, lon) ;
ONNS_a_p_440:_FillValue = NaNf ;
ONNS_a_p_440:gaussSmoothingSigma = 1. ;
ONNS_a_p_440:units = "m-1" ;
ONNS_a_p_440:long_name = "(ONNS) Absorption coefficient of phytoplankton particles at 440 nm" ;
ONNS_a_p_440:coordinates = "lat lon" ;
float ONNS_a_m_440(lat, lon) ;
ONNS_a_m_440:_FillValue = NaNf ;
ONNS_a_m_440:gaussSmoothingSigma = 1. ;
ONNS_a_m_440:units = "m-1" ;
ONNS_a_m_440:long_name = "(ONNS) Absorption coefficient of minerals at 440 nm" ;
ONNS_a_m_440:coordinates = "lat lon" ;
float ONNS_b_p_440(lat, lon) ;
ONNS_b_p_440:_FillValue = NaNf ;
ONNS_b_p_440:gaussSmoothingSigma = 1. ;
ONNS_b_p_440:units = "m-1" ;
ONNS_b_p_440:long_name = "(ONNS) Scattering coefficient of phytoplankton particles at 440 nm" ;
ONNS_b_p_440:coordinates = "lat lon" ;
float ONNS_b_m_440(lat, lon) ;
ONNS_b_m_440:_FillValue = NaNf ;
ONNS_b_m_440:gaussSmoothingSigma = 1. ;
ONNS_b_m_440:units = "m-1" ;
ONNS_b_m_440:long_name = "(ONNS) Scattering coefficient of minerals at 440 nm" ;
ONNS_b_m_440:coordinates = "lat lon" ;
float ONNS_FU(lat, lon) ;
ONNS_FU:_FillValue = NaNf ;
ONNS_FU:gaussSmoothingSigma = 1. ;
ONNS_FU:units = "1" ;
ONNS_FU:long_name = "(ONNS) Forel-Ule colour index between 1 and 21" ;
ONNS_FU:coordinates = "lat lon" ;
float ONNS_K_d_490(lat, lon) ;
ONNS_K_d_490:_FillValue = NaNf ;
ONNS_K_d_490:gaussSmoothingSigma = 1. ;
ONNS_K_d_490:units = "m-1" ;
ONNS_K_d_490:long_name = "(ONNS) Downwelling diffuse attenuation coefficient at 490 nm" ;
ONNS_K_d_490:coordinates = "lat lon" ;
float ONNS_K_u_490(lat, lon) ;
ONNS_K_u_490:_FillValue = NaNf ;
ONNS_K_u_490:gaussSmoothingSigma = 1. ;
ONNS_K_u_490:units = "m-1" ;
ONNS_K_u_490:long_name = "(ONNS) Upwelling diffuse attenuation coefficient at 490 nm" ;
ONNS_K_u_490:coordinates = "lat lon" ;
float ONNS_a_dg_412(lat, lon) ;
ONNS_a_dg_412:_FillValue = NaNf ;
ONNS_a_dg_412:gaussSmoothingSigma = 1. ;
ONNS_a_dg_412:units = "m-1" ;
ONNS_a_dg_412:long_name = "(ONNS) Absorption coefficient of detritus plus CDOM at 412 nm" ;
ONNS_a_dg_412:coordinates = "lat lon" ;
float ONNS_b_bp_510(lat, lon) ;
ONNS_b_bp_510:_FillValue = NaNf ;
ONNS_b_bp_510:gaussSmoothingSigma = 1. ;
ONNS_b_bp_510:units = "m-1" ;
ONNS_b_bp_510:long_name = "(ONNS) Total back-scattering coefficient of all particles at 510 nm" ;
ONNS_b_bp_510:coordinates = "lat lon" ;
float ONNS_a_tot_440(lat, lon) ;
ONNS_a_tot_440:_FillValue = NaNf ;
ONNS_a_tot_440:gaussSmoothingSigma = 1. ;
ONNS_a_tot_440:units = "m-1" ;
ONNS_a_tot_440:long_name = "(ONNS) Total absorption coefficient at 440 nm, including CDOM, phytoplankton, minerals, and water (0.0064 m-1 at 20degC/30PSU)" ;
ONNS_a_tot_440:coordinates = "lat lon" ;
float ONNS_b_tot_440(lat, lon) ;
ONNS_b_tot_440:_FillValue = NaNf ;
ONNS_b_tot_440:gaussSmoothingSigma = 1. ;
ONNS_b_tot_440:units = "m-1" ;
ONNS_b_tot_440:long_name = "(ONNS) Total scattering coefficient at 440 nm, including phytoplankton, minerals, and water (0.0042557 m-1 at 20degC/30PSU)" ;
ONNS_b_tot_440:coordinates = "lat lon" ;
float IOP_Chl(lat, lon) ;
IOP_Chl:_FillValue = NaNf ;
IOP_Chl:gaussSmoothingSigma = 1. ;
IOP_Chl:units = "mg.m-3" ;
IOP_Chl:long_name = "Chlorophyll concentration estimated from total particulate absorption coefficient at 440 nm based on Hereon measurements with IOP_Chl = 21* (a_p + a_m)^1.04" ;
IOP_Chl:coordinates = "lat lon" ;
float IOP_TSM(lat, lon) ;
IOP_TSM:_FillValue = NaNf ;
IOP_TSM:gaussSmoothingSigma = 1. ;
IOP_TSM:units = "g.m-3" ;
IOP_TSM:long_name = "Total Suspended Matter concentration estimated from total particulate scattering coefficient at 440 nm based on Hereon measurements with IOP_TSM = 1.73* (b_p + b_m)" ;
IOP_TSM:coordinates = "lat lon" ;
float IOP_POC(lat, lon) ;
IOP_POC:_FillValue = NaNf ;
IOP_POC:gaussSmoothingSigma = 1. ;
IOP_POC:units = "g.m-3" ;
IOP_POC:long_name = "Total particulate organic carbon (POC) concentration based on inherent optical properties of phytoplankton and TSM. According Hereon in situ data IOP_POC = 5.5* bbp510 + 2.7* ap440" ;
IOP_POC:coordinates = "lat lon" ;
float IOP_DOC(lat, lon) ;
IOP_DOC:_FillValue = NaNf ;
IOP_DOC:gaussSmoothingSigma = 1. ;
IOP_DOC:units = "mg.m-3" ;
IOP_DOC:long_name = "Concentration of dissolved organic carbon (DOC) related to CDOM absorption at 440 nm. According Juhls et al. (2019): IOP_DOC = 10**2.525* ag440**0.659" ;
IOP_DOC:coordinates = "lat lon" ;
byte L1_land(lat, lon) ;
L1_land:flag_meanings = "L1_land" ;
L1_land:flag_values = "0U 1U" ;
L1_land:flag_masks = "1U" ;
L1_land:long_name = "Level_1 land mask" ;
L1_land:coordinates = "lat lon" ;
L1_land:units = "1" ;
byte A4O_flag_bright(lat, lon) ;
A4O_flag_bright:flag_meanings = "A4O_flag_bright" ;
A4O_flag_bright:flag_values = "0U 1U" ;
A4O_flag_bright:flag_masks = "1U" ;
A4O_flag_bright:long_name = "Level_2 bright mask for TOA reflectance (at 490) > 0.3, that includes possible clouds and sea ice" ;
A4O_flag_bright:coordinates = "lat lon" ;
byte A4O_flag_suspect_pixel(lat, lon) ;
A4O_flag_suspect_pixel:flag_meanings = "A4O_flag_suspect_pixel" ;
A4O_flag_suspect_pixel:flag_values = "0U 1U" ;
A4O_flag_suspect_pixel:flag_masks = "1U" ;
A4O_flag_suspect_pixel:long_name = "Level_2 flag for possibly implausible AC output. Among other things, it indicates when Rtoa has unusual features, e.g. in the South Atlantic Anomaly area" ;
A4O_flag_suspect_pixel:coordinates = "lat lon" ;
byte A4O_flag_floating(lat, lon) ;
A4O_flag_floating:flag_meanings = "A4O_flag_floating" ;
A4O_flag_floating:flag_values = "0U 1U" ;
A4O_flag_floating:flag_masks = "1U" ;
A4O_flag_floating:long_name = "Level_2 flag for very high biomass and possibly floating algae. It applies if remote sensing reflectance is anomalous high in the red and NIR range" ;
A4O_flag_floating:coordinates = "lat lon" ;
byte A4O_flag_glint_risk(lat, lon) ;
A4O_flag_glint_risk:flag_meanings = "A4O_flag_glint_risk" ;
A4O_flag_glint_risk:flag_values = "0U 1U" ;
A4O_flag_glint_risk:flag_masks = "1U" ;
A4O_flag_glint_risk:long_name = "Level_2 flag for sun glint risk depends on sun-viewing geometry and wind speed " ;
A4O_flag_glint_risk:coordinates = "lat lon" ;
byte ONNS_limited_valid(lat, lon) ;
ONNS_limited_valid:flag_meanings = "limited_valid" ;
ONNS_limited_valid:flag_values = "0U 1U" ;
ONNS_limited_valid:flag_masks = "1U" ;
ONNS_limited_valid:long_name = "Chlorophyll-A invalid values" ;
ONNS_limited_valid:units = "1" ;
float OWT_index(lat, lon) ;
OWT_index:_FillValue = NaNf ;
OWT_index:units = "1" ;
OWT_index:long_name = "Optical Water Type index or class based on A4O_Rrs_n [Bi and Hieronymi, 2024]" ;
float OWT_AVW(lat, lon) ;
OWT_AVW:_FillValue = NaNf ;
OWT_AVW:units = "nm" ;
OWT_AVW:long_name = "Apparent Visible Wavelength based on A4O_Rrs_n between 400 and 800 nm [Bi and Hieronymi, 2024]" ;
float OWT_Area(lat, lon) ;
OWT_Area:_FillValue = NaNf ;
OWT_Area:units = "1" ;
OWT_Area:long_name = "Trapezoidal Area at Red, Green, and Blue (RGB) bands based on A4O_Rrs_n [Bi and Hieronymi, 2024]" ;
float OWT_NDI(lat, lon) ;
OWT_NDI:_FillValue = NaNf ;
OWT_NDI:units = "1" ;
OWT_NDI:long_name = "Normalized Difference Index at Green and Red based on A4O_Rrs_n [Bi and Hieronymi, 2024]" ;
float OWT_U_tot(lat, lon) ;
OWT_U_tot:_FillValue = NaNf ;
OWT_U_tot:units = "1" ;
OWT_U_tot:long_name = "Total membership values in the OWT framework [Bi and Hieronymi, 2024]" ;
short TOA_count(lat, lon) ;
TOA_count:long_name = "Number of pixels from available satellite images at the Top-Of-Atmosphere" ;
TOA_count:units = "1" ;
short BOA_count(lat, lon) ;
BOA_count:long_name = "Number of pixels from available cloud-free images after atmospheric correction at the Bottom-Of-Atmosphere" ;
BOA_count:units = "1" ;
// global attributes:
:sensor = "OLCI" ;
:acquisition_start = "20230601T075534" ;
:acquisition_stop = "20230601T112032" ;
:time_coverage_start = "2023-06-01 07:55:34" ;
:time_coverage_end = "2023-06-01 11:20:32" ;
:atmospheric_correction = "A4O_v1.0" ;
:product_name = "S3__OL_3_WFRA4O_20230601T075534_20230601T112032_20241030T185248.nc" ;
:Conventions = "CF-1.8" ;
:institution = "Helmholtz-Zentrum Hereon, Institute of Carbon Cycles, Geesthacht, Germany" ;
:title = "Daily averaged Earth observation data from Sentinel-3 OLCI of the North and Baltic Sea region at the top-of-atmosphere and for cloud-free water areas after atmospheric correction for water constituents" ;
:source = "remote sensing" ;
:creation_date = "2024-10-30T18:52:48" ;
:originator = "Martin Hieronymi" ;
:contact = "Martin Hieronymi https://orcid.org/0000-0001-6066-1562" ;
:crs = "EPSG:4326" ;
:comment = "Sentinel-3 OLCI images processed with the Atmospheric Correction for Optical Water Types, A4O, and the water algorithm OLCI Neural Network Swarm, ONNS [Hieronymi et al., 2017]. ONNS derives inherent optical properties (IOPs) from which the concentrations of water constituents are estimated. In addition, the results of an Optical Water Type (OWT) classification based on A4O reflectances are provided [Bi and Hieronymi, 2024]. All available satellite data of a day for the North and Baltic Sea region are merged in a common grid at approximately original resolution" ;
:campaign = "" ;
:carrier = "Sentinel3A/B" ;
:platform = "OLCI" ;
:lineage = "Includes A4O-ONNS processed Sentinel-3 OLCI products, as listed under MergedProducts. Parameters resampled on new grid as daily mean values. Optical Water Type (OWT) classification results based on this A4O-ONNS dailymean product have been merged into this product." ;
:processingSteps = "" ;
:processingSoftware = "ONNS-v025_20240108,onns_means-v0.1-main.py" ;
:StartTime = "2023-06-01T07:55:34Z" ;
:StopTime = "2023-06-01T11:20:32Z" ;
:Distribution_statement = "" ;
:history = "iprod /feederdata2/EighteenTB05/AquaINFRA/tmp/S3A_OL_1_EFR____20230601T093633_20230601T093933_20230602T142022_0179_099_250_1980_MAR_O_NT_002.SEN3 | sensor OLCI | outdir /feederdata2/EighteenTB05/AquaINFRA/onns_06-2023/ | outfile None | adapt 0 | ac 0 | osize 1 | smooth 1 | boost 1 | txt_header 1 | txt_ID 1 | list [1, 2, 3, 4, 5, 6] | netz None | overwrite False" ;
string :references = "Hieronymi, M., Mueller, D., & Doerffer, R. (2017). The OLCI Neural Network Swarm (ONNS): A bio-geo-optical algorithm for open ocean and coastal waters. Frontiers in Marine Science, 4, 140. https://doi.org/10.3389/fmars.2017.00140; Hieronymi, M. (2019). Spectral band adaptation of ocean color sensors for applicability of the multi-water biogeo-optical algorithm ONNS. Optics Express, 27(12), A707-A724. https://doi.org/10.1364/OE.27.00A707Hieronymi, M., Mueller, D., & Doerffer, R. (2017). The OLCI Neural Network Swarm (ONNS): A bio-geo-optical algorithm for open ocean and coastal waters. Frontiers in Marine Science, 4, 140. https://doi.org/10.3389/fmars.2017.00140; Hieronymi, M. (2019). Spectral band adaptation of ocean color sensors for applicability of the multi-water biogeo-optical algorithm ONNS. Optics Express, 27(12), A707-A724. https://doi.org/10.1364/OE.27.00A707; Hieronymi, M., Bi, S., Müller, D., Schütt, E.M., Behr, D., Brockmann, C., Lebreton, C., Steinmetz, F., Stelzer, K., & Vanhellemont, Q. (2023). Ocean color atmospheric correction methods in view of usability for different optical water types. Frontiers in Marine Science, 10:1129876, https://doi.org/10.3389/fmars.2023.1129876. Bi, S., & Hieronymi, M. (2024). Holistic optical water type classification for ocean, coastal, and inland waters. Limnology and Oceanography. https://doi.org/10.1002/lno.12606; Juhls, B., Overduin, P. P., Hölemann, J., Hieronymi, M., Matsuoka, A., Heim, B., & Fischer, J. (2019). Dissolved organic matter at the fluvial–marine transition in the Laptev Sea using in situ data and ocean colour remote sensing. Biogeosciences, 16(13), 2693-2713, https://doi.org/10.5194/bg-16-2693-2019" ;
:contact_email = " martin.hieronymi@
nullhereon.de
:geographicalName = "" ;
:station = "" ;
:operator = "" ;
:contributor = "Shun Bi, Daniel Behr et al." ;
:Bbox = "65.9,30.3,48.98,-4.48" ;
:licence = "CC BY-SA 4.0" ;
:institution-ID = "ROR: 03qjp1d79" ;
:MergedProducts = "S3B_OL_2_WFRA4O_20230601T085427_20230601T085727_20230602T141012_resampled.nc,S3B_OL_2_WFRA4O_20230601T085727_20230601T090027_20230602T141041_resampled.nc,S3B_OL_2_WFRA4O_20230601T103826_20230601T104126_20230602T150316_resampled.nc,S3A_OL_2_WFRA4O_20230601T111732_20230601T112032_20230602T163325_resampled.nc,S3B_OL_2_WFRA4O_20230601T103526_20230601T103826_20230602T150245_resampled.nc,S3A_OL_2_WFRA4O_20230601T093333_20230601T093633_20230602T141953_resampled.nc,S3A_OL_2_WFRA4O_20230601T093933_20230601T094233_20230602T142051_resampled.nc,S3B_OL_2_WFRA4O_20230601T104126_20230601T104426_20230602T150346_resampled.nc,S3A_OL_2_WFRA4O_20230601T111432_20230601T111732_20230602T163258_resampled.nc,S3A_OL_2_WFRA4O_20230601T075534_20230601T075834_20230602T130924_resampled.nc,S3A_OL_2_WFRA4O_20230601T075834_20230601T080134_20230602T130949_resampled.nc,S3B_OL_2_WFRA4O_20230601T090027_20230601T090327_20230602T141110_resampled.nc,S3A_OL_2_WFRA4O_20230601T093633_20230601T093933_20230602T142022_resampled.nc,S3__OL_3_WFRA4O_20230601T075534_20230601T112032_20240402T155246_owt.nc" ;
:water_processor = "ONNS_v0.25" ;
}