ReOBS

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Time dimensions of the NetCDF file

Dimension nameDescriptionPeriod of obs.
time_photometerTime for photometer products1999-2016
time_mldTime for mixing layer depth products2008-2014
time_lnaTime for lidar profiles products2003-2015
time_moleculaireIndex of time dimension for molecular profiles2003-2015
timeMain time2003-2016

Lidar profiles dimensions

Dimension nameDescription
binSRSR (scattering ratio) classification bins
binSTRATSTRAT classification bins
range_lnaAltitude range for lidar histograms

Classical meteorological measurements

VariableDescriptionPeriod of obs.Reference
tas_sirta2-m air temperature, K2003-2016
hurs_sirta2-m relative humidity, %2003-2016
huss_sirta2-m specific humidity , kg/kg2003-2016
psl_sirtaSea-level pressure, Pa2003-2016
sfcWind_sirta2-m wind speed, m/s2003-2016
vas_sirta2-m northward wind, degree2003-2016
uas_sirta2-m eastward wind, degree2003-2016
visi_sirtaVisibility, m2012-2016
pr_sirtaPrecipitation at surface, kg/m2/s2003-2014
tas_trpsTrappes air temperature, K2005-2014
hurs_trpsTrappes relative humidity, %2005-2014
psl_trpsTrappes Sea-level pressure, hPa2005-2014
ff_trpsTrappes wind speed, m/s2005-2014
vas_trpsTrappes northward wind, degree2005-2014
uas_trpsTrappes eastward wind, degree2005-2014
visi_trpsTrappes Visibility, m2005-2014
pr_trpsTrappes Precipitation at surface, mm/hr2003-2014
hurs_regionalRegional relative humidity, %2004-2014
pr_regionalRegional precipitation rate, mm/h2004-2014
psl_regionalRegional surface air pressure, hpa2004-2014
uas_regionalRegional eastward component of wind, degree2004-2014
vas_regionalRegional northward component of wind, degree2004-2014
ws_regionalRegional wind speed, m/s2004-2014
tas_regionalRegional air temperature, K2004-2014

Advanced measurements

VariableDescriptionPeriod of obs.Reference
rldsSurface downwelling longwave radiation, W/m22003-2016
rlusSurface downwelling shortwave radiation, W/m22007-2016
rsdsSurface downwelling shortwave radiation, W/m22003-2016
rsusSurface upwelling shortwave radiation, W/m22007-2016
hfs(l)sSurface upward sensible (latent) heat flux, W/m22006-2014
saasolar_azimuth_angle, degree2003-2015
szasolar_zenith_angle, degree2003-2016
stx1Soil temperature x cm bellow ground level, K2007-2015
Smx1Soil moisture x cm bellow ground level, g/cm32007-2012
channel_x_mean2Mean brightness temperature from MSG at x µm, K2005-2010

Parameters retrieved from observations

VariableDescriptionPeriod of obs.Reference
cf_nfov_alsLidar cloud fraction2008-2012Morille et al. 2007
cf_nfov_lnaLidar cloud fraction2003-2008Morille et al. 2007
rsdscsSurface downwelling shortwave radiation for clear sky, W/m22003-2015Long et al. 2006
rldscsSurface downwelling longwave radiation for clear sky, W/m22003-2015Long et al. 2006
tot_cld_tsiCloud fraction from sky imager2009-2014
cflwCloud fraction from longwave radiation2003-2014Long et al. 2006
cfswCloud fraction from shortwave radiation2003-2014Long et al. 2006
cbhx3Lidar cloud base heigh, m2008-2013Morille et al. 2007
aot_x4Aerosol optical thickness at x nm2008-2014Aeronet
waterClear sky integrated watr vapor, kg/m22008-2014Aeronet
angstrom_x-y5Angstrom exponent between x and y nm, nm2008-2014Aeronet
cld_fracPercentage cloudy pixels over 15×15 pixels2005-2010Roebeling et al. 2006
clwp_meanMean cloud liquid water path over 15×15 pixels, g/m22005-2010Roebeling et al. 2006
ctt_meanMean cloud top temperature over 15×15 pixels, K2005-2010Roebeling et al. 2006
reff_meanMean cloud effective radius over 15×15 pixels, mm2005-2010Roebeling et al. 2006
tau_meanMean cloud optical thickness over 15×15 pixels, g/m22005-2010Roebeling et al. 2006
lwpLiquid_water_path, g/m22012-2016
mldMixing_layer_depth, m2008-2014
iwvIntegrated water vapor, Kg/m22006-2016

Vertical lidar measurements

VariableDescriptionPeriod of obs.Reference
SRhistoLidar scaterring ratio vertical histograms2003-2015
STARThistoLidar STRAT classification vertical histograms2003-2015Morille et al. 2007
pr2_molLidar molecular profile2003-2015
norm_heightAltitude of normalisation of lidar profiles, m2003-2015

1x is 5 cm, 10 cm, 20 cm, 30 cm, 50 cm.

2x is 12, 0.6, 0.8, 1.6, 3.8, 10.8 µm.

3x is first layer (1), second layer (2), third layer (3)

4x is 1020, 870, 675, 500, 440, 380, 340 nm.

5x and y are the interval between4 values.

Parameters currently included in SIRTA-ReOBS. First block is for classical meteorological measurements, second block is for more advanced measurements, third block is for parameters retrieved from observations, fourth block is for vertical lidar measurements.

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Classical meteorological measurements

Advanced measurements

Parameters retrieved from observations

ReOBS version history

version V1-1-1

New variables added :

  • Trappes classical meteorological measurements (« trps_ » prefix)
  • Integrated water vapor calculate by GPS system (iwv)
  • Regional meteorolgy (« _regional » suffix)

Variables modified :

  • Variable cf_nfov splited in two variables :
Variable nameDescriptionPeriod
cf_nfov_alsCloud fraction from als(Aerosol Lidar System) at 355 nm2008-2012
cf_nfov_lnaCloud fraction from lna(Lidar Nouages Aerosols) at 532 and 1064 nm2003-2008

Renamed variables :

Old variable nameNew variable name
mu_fclwstd_fclw
mu_cfswstd_cfsw
mu_hflsstd_hfls
mu_hfssstd_hfss
mu_hursstd_hurs
mu_hussstd_huss
mu_psstd_ps
mu_pslstd_psl
mu_rldsstd_rlds
mu_rlusstd_rlus
mu_rsdscsstd_rsdscs
mu_rsusstd_rsus
mu_sfcWindstd_sfcWind
mu_sm5std_sm5
mu_sm10std_sm10
mu_sm20std_sm20
mu_sm50std_sm50
mu_st5std_st5
mu_st10std_st10
mu_st20std_st20
mu_st50std_st50
mu_solar_zenith_anglestd_solar_zenith_angle
mu_tasstd_tas
mu_tot_cld_tsistd_tot_cld_tsi
mu_uasstd_uas
mu_vasstd_vas
mu_waterstd_water
mu_cflwstd_cflw
mu_rldscsstd_rldscs
d_lwpstd_lwp
d_prpstd_prp
d_reffstd_reff
d_sdsstd_sds
d_taustd_tau
d_visistd_visi
340-440angstromangstrom_340-440
380-500angstromangstrom_380-500
440-675angstromangstrom_440-675
440-870angstromangstrom_440-870
500-870angstromangstrom_500-870
sfcWindsfcWind_sirta
tastas_sirta
hurshurs_sirta
husshuss_sirta
prpr_sirta
psps_sirta
pslpsl_sirta
uasuas_sirta
vasvas_sirta
visivisi_sirta

Deleted variables :

  • Spatial Uncertainty variables
Old variable name
su_hurs
su_pr
su_ps
su_sfcWind
su_tas

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