Product-Documentation

Product: Sea Level Anomalies (SLA)
Version: 33
Mission: ERS-1 (Phase G)

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
sla.33 Sea Level Anomalies
CLS11, EOT11a, DAC, MMXO16
MVA-Parameters:
- Orbit Status and Quality Flags (oflags.00)
- Satellite Altitude (hsat.24)
- 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)
- Dry Tropospheric Correction (dtrop.00)
- Wet Tropospheric Correction (wtrop.00)
- Undefined parameter (oer.66)
- Altimeter Range (ralt.00)
- Ocean Tide Correction of EOT11a (otide.15)
- Ocean Load Tide Correction of EOT11a (ltide.15)
- NOAA Ionosphere Climatology 2009 (NIC09) (ionos.07)
- Undefined parameter (ptide.00)
- Sea State Bias (emb.00)
gflags.33 Geophysical Corrections Quality Flags
MVA-Parameters:
- Fractional Ice Concentration from NSIDC (fic.01)
- Dry Tropospheric Correction (dtrop.00)
- Wet Tropospheric Correction (wtrop.00)
- Undefined parameter (oer.66)
- NOAA Ionosphere Climatology 2009 (NIC09) (ionos.07)
- Sea State Bias (emb.00)
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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