Supported ENVISAT Products

Level 2 GADS Scaling Factors and Offsets

  Fields of ENVISAT MER_RR__2P_GADS_sfgi Records

Index Identifier Field Type Field Length Description Units
0 "sf_alt" Float 1 scaling factor - altitude -
1 "sf_rough" Float 1 scaling factor - roughness -
2 "sf_zon_wind" Float 1 scaling factor - zonal wind -
3 "sf_merr_wind" Float 1 scaling factor - meridional wind -
4 "sf_atm_pres" Float 1 scaling factor - atmospheric pressure -
5 "sf_ozone" Float 1 scaling factor - ozone -
6 "sf_rel_humid" Float 1 scaling factor - relative humidity -
7 "sf_reflec" Float 13 scaling factor - reflectances -
8 "sf_algal_pig_ind" Float 1 scaling factor - Algal pigment index -
9 "sf_yellow_subs" Float 1 scaling factor - Yellow substance -
10 "sf_susp_sed" Float 1 scaling factor - Suspended sediment -
11 "sf_aero_epsilon" Float 1 scaling factor - Aerosol epsilon -
12 "sf_aer_opt_thick" Float 1 scaling factor - Aerosol optical thickness -
13 "sf_cl_opt_thick" Float 1 scaling factor - Cloud optical thickness -
14 "sf_surf_pres" Float 1 scaling factor - Surface pressure -
15 "sf_wvapour" Float 1 scaling factor - Water vapour -
16 "sf_photosyn_rad" Float 1 scaling factor - Photosynthetically active radiation -
17 "sf_toa_veg" Float 1 scaling factor - TOA Vegetation index -
18 "sf_boa_veg" Float 1 scaling factor - BOA Vegetation index -
19 "sf_cloud_albedo" Float 1 scaling factor - Cloud Albedo -
20 "sf_cloud_top_press" Float 1 scaling factor - Cloud Top Pressure -
21 "off_reflec" Float 13 offset - reflectances -
22 "off_algal" Float 1 offset - Algal pigment index log10(mg.m-3)
23 "off_yellow_subs" Float 1 offset - Yellow substance m-1
24 "off_total_susp" Float 1 offset - Total suspended matter log10(g.m-3)
25 "off_aero_epsilon" Float 1 offset - Aerosol epsilon -
26 "off_aer_opt_thick" Float 1 offset - Aerosol optical thickness -
27 "off_cl_opt_thick" Float 1 offset - Cloud optical thickness -
28 "off_surf_pres" Float 1 offset - Surface pressure hPa
29 "off_wvapour" Float 1 offset - Water vapour g.cm-2
30 "off_photosyn_rad" Float 1 offset - Photosynthetically active radiation W.m-2
31 "off_toa_veg" Float 1 offset - TOA Vegetation index -
32 "off_boa_veg" Float 1 offset - BOA Vegetation index -
33 "off_cloud_albedo" Float 1 offset - Cloud Albedo -
34 "off_cloud_top_press" Float 1 offset - Cloud Top Pressure hPa
35 "gain_set" UChar 5*16 Gain setting -
36 "sampl_rate" ULong 1 sampling rate (10-6) s
37 "sun_spec_flux" Float 15 Sun Spectral Flux (for bands 1-15) LU
38 "sf_rect_refl_nir" Float 1 scaling factor - Rectified near infrared reflectance -
39 "off_rect_refl_nir" Float 1 offset - Rectified near infrared reflectance -
40 "sf_rect_refl_red" Float 1 scaling factor - Rectified infrared reflectance -
41 "off_rect_refl_red" Float 1 offset - Rectified infrared reflectance -
42 "spare_1" Spare 44 spare -