Product-Documentation

Product: Sea Surface Heights (SSH)
Version: 40
Mission: ERS-1 (Phase C)

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
East longitude relative to Greenwich meridian.
Source: SGDR/REAPER
Original-Parameter: lon
glat.00 Latitude
Positive latitude is North latitude, negative latitude is South latitude
Source: SGDR/REAPER
Original-Parameter: lat
ssh.40 Sea Surface Heights
consistent with SLA version 40 and DTU15
MVA-Parameters:
- Mean Sea Surface Height from DTU15 (mssh.05)
- DTU15, EOT20, DAC, MMXO22 (sla.40)
- Land Ocean Flags from GMT (lwmask.01)
sflag.40 Geophysical Corrections Quality Flags
MVA-Parameters:
- Land Ocean Flags from GMT (lwmask.01)
- Geophysical Corrections Quality Flags (gflags.40)
- DTU15, EOT20, DAC, MMXO22 (sla.40)
oflags.00 Orbit Status and Quality Flags
iflags.00 Instrument Status and Quality Flags
Source: SGDR/REAPER
Original-Parameter: swh, swh_rms, ocean_range_numval, ocean_range, ocean_range_rms
Flags:
2 : swh_ku == 0 || swh_rms_ku/swh_ku > 0.1
8 : ocean_range_numval < 12
128 : range_ku == nan || range_rms_ku == nan

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