Product-Documentation

Product: Sea Level Anomalies (SLA)
Version: 33
Mission: Jason-3

Parameter Description
jday.00 Julian Day
Julian Day Epoch 2000.0 (2000-01-01 12:00:00 UTC)
Julian Day 2000 values are truncated in MVA after 5-digits!
glon.00 Longitude
Source: SGDR-D
Original-Parameter: lon
glat.00 Latitude
Source: SGDR-D
Original-Parameter: lat
sla.33 Sea Level Anomalies
CLS11, EOT11a, DAC, MMXO16
MVA-Parameters:
- Orbit Status and Quality Flags (oflags.00)
- Satellite Altitude above TOPEX ellipsoid (hsat.00)
- Instrument Status and Quality Flags (iflags.00)
- Undefined parameter (etide.00)
- Mean Sea Surface Height from CLS2011 (mssh.04)
- Inverse Barometer Effect from DAC (AVISO) (invb.05)
- Smoothed ionospheric correction based on ionos.00 (ionos.06)
- Dry Tropospheric Correction from ECMWF Model (dtrop.00)
- Wet Tropospheric Correction derived from MWR (wtrop.00)
- Undefined parameter (oer.66)
- 1 Hz Ku band corrected altimeter range (ralt.00)
- Ocean Load Tide Correction of EOT11a (ltide.15)
- Ocean Tide Correction of EOT11a (otide.15)
- Undefined parameter (ptide.00)
- Sea State Bias (emb.00)
gflags.33 Geophysical Corrections Quality Flags
MVA-Parameters:
- Fractional Ice Concentration from NSIDC (fic.01)
- Smoothed ionospheric correction based on ionos.00 (ionos.06)
- Dry Tropospheric Correction from ECMWF Model (dtrop.00)
- Wet Tropospheric Correction derived from MWR (wtrop.00)
- Undefined parameter (oer.66)
- Sea State Bias (emb.00)
oflags.00 Orbit Status and Quality Flags
Source: SGDR-D
Original-Parameter: alt, bathymetry, rad_surf_type, alt_echo_type, surface_type, orb_state_flag_rest
Flags:
2 : bathymetry > -2000
4 : bathymertry > -200
8 : rad_surf_type != 0 or alt_echo_type != 0
16 : surface_type != 0
64 : orb_state_flag_rest == 0
128 : alt == 2147483647
iflags.00 Instrument Status and Quality Flags
Source: SGDR-D
Original-Parameter: agc_rms_ku, agc_ku, swh_rms_ku, swh_ku, range_numval_ku, rain_flag, ice_flag, range_ku, range_rms_ku
Flags:
1 : agc_rms_ku/agc_ku > 0.1
2 : swh_rms_ku/swh_ku > 0.1
8 : range_numval_ku < 12
64 : rain_flag != 0 || ice_flag != 0
128 : range_ku == nan || range_rms_ku == nan

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