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How to use the parameters to compute some water levels (SSH, ...)

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ENVISAT !

 

Description

Parameter

Min value

Max value

nomber of valid points

num_18hz_ku_ocean

10

-

SSH

-

-130000mm

100000mm

SLA

-

-2000mm

2000mm

Rms of range at 20Hz

sd_18hz_ku_ocean

0

250mm

Depointage

off_nad_ang_wvform

-2000 10-4deg2

1600 10-4deg2

Dry troposphere

mod_dry_tropo_corr

-2500mm

-1900mm

Inverse barometer inverse

inv_barom_corr ou ib_MOG2D_NF

-2000mm

2000mm

Wet troposphere from radiometer

mwr_wet_tropo_corr

-500mm

-1mm

Ionospheric correction

ra2_ion_corr_ku

-400mm

40mm

Significant wave hights in ku band

ku_sig_wv_ht

0mm

11000mm

Sea state bias

sea_bias_ku ou ssb_cls

-500mm

0mm

Backscatter coefficient (coeff de rétrodiffusion)

ku_ocean_bscat_coeff /100

7.0 dB

30.0 dB

Oceanic tide FES04

ocean_tide_FES_04

-5000mm

5000mm

Long period ocean tide

long_period_ocn_tide_ht

-500mm

500mm

Solid earth tide

solid_earth_tide_ht

-1000mm

1000mm

Polar tide

geocen_pole_tide_ht

-5000mm

5000mm

Wind speed from altimeter

ra2_wind_sp

0mm/s

30000mm/s

Land flag

altim_landocean_flag a 0 ou 1

 

 

 

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