Product-Documentation

Product: Sea Level Anomalies (SLA)
Version: 40
Mission: Jason-1

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-E
Original-Parameter: lon
glat.00 Latitude
Source: SGDR-E
Original-Parameter: lat
sla.40 Sea Level Anomalies
DTU15, EOT20, DAC, MMXO22
MVA-Parameters:
- Dry Tropospheric Correction from Vienna Mapping Function (VMF3) (dtrop.06)
- Solid Earth Tide Correction using IERS Convention 2010 (etide.06)
- Internal Tide Correction (itide.01)
- Ocean Tide Correction of EOT20 (otide.22)
- Ocean Load Tide Correction of EOT22 (ltide.22)
- Sea State Bias (emb.00)
- Satellite Altitude (hsat.25)
- Wet Tropospheric Correction from GPT+ (wtrop.07)
- Smoothed ionospheric correction based on ionos.00 (ionos.06)
- Instrument Status and Quality Flags (iflags.00)
- Radial Orbit Error (oer.92)
- Inverse Barometer Effect from ERA Interim (invb.06)
- Orbit Status and Quality Flags (oflags.25)
- Mean Sea Surface Height from DTU15 (mssh.05)
- Altimeter Range (ralt.00)
- Pole Tide Correction (ptide.05)
gflags.40 Geophysical Corrections Quality Flags
MVA-Parameters:
- Dry Tropospheric Correction from Vienna Mapping Function (VMF3) (dtrop.06)
- Sea State Bias (emb.00)
- Wet Tropospheric Correction from GPT+ (wtrop.07)
- Smoothed ionospheric correction based on ionos.00 (ionos.06)
- Radial Orbit Error (oer.92)
- Fractional Ice Concentration from NSIDC (fic.01)
oflags.00 Orbit Status and Quality Flags
iflags.00 Instrument Status and Quality Flags
Source: SGDR-E
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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