xco2_apriori[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
ppm
-
long_name:
A priori XCO2 Value
-
missing_value:
-999999.0000
-
origname:
xco2_apriori
-
fullnamepath:
/xco2_apriori
file_index[
sounding_id=
0
..258938]
(Type is Byte)
xco2_qf_simple_bitflag[
sounding_id=
0
..258938]
(Type is Byte)
-
attributes
-
units:
none
-
long_name:
xco2_quality_flag simple bitflag
-
missing_value:
-1
-
comment:
Bits: 0=Direct Exclusion; 1=Signal-related; 2=Preprocessor-related; 3=Surface reflectivity related; 4=Cloud+Aerosol related; 5=Fit Quality related; 6=Other Retrieval variables; 7=Unused.
-
origname:
xco2_qf_simple_bitflag
-
fullnamepath:
/xco2_qf_simple_bitflag
pressure_levels[
sounding_id=
0
..258938]
[
levels=
0
..19]
(Type is Float32)
-
attributes
-
units:
hPa
-
long_name:
Pressure_Levels
-
missing_value:
-999999.0000
-
comment:
Pressure at each level; Defined on layer boundaries. These are oriented space-to-surface, so the first element defines the TOA, the last element defines the surface.
-
origname:
pressure_levels
-
fullnamepath:
/pressure_levels
xco2[
sounding_id=
0
..258938]
(Type is Float32)
time[
sounding_id=
0
..258938]
(Type is Float64)
pressure_weight[
sounding_id=
0
..258938]
[
levels=
0
..19]
(Type is Float32)
-
attributes
-
units:
none
-
long_name:
Pressure Weighting Function
-
missing_value:
-999999.0000
-
comment:
Pressure weighting function for each level; Defined on layer boundaries. These are oriented space-to-surface, so the first element defines the TOA, the last element defines the surface.
-
origname:
pressure_weight
-
fullnamepath:
/pressure_weight
Preprocessors_co2_ratio[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
CO2 Ratio
-
missing_value:
-999999.0000
-
comment:
Bias- and Footprint-corrected Band 3 / Band 2 Ratio of retrieved Single-band XCO2 using IMAP-DOAS algorithm
-
origname:
co2_ratio
-
fullnamepath:
/Preprocessors/co2_ratio
Preprocessors_max_declocking_sco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
none
-
long_name:
max_declocking_sco2
-
missing_value:
-999999.0000
-
comment:
ABS(MaxDeclockingFactor_StrongCO2_Band - 1)*100
-
origname:
max_declocking_sco2
-
fullnamepath:
/Preprocessors/max_declocking_sco2
Preprocessors_max_declocking_o2a[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
none
-
long_name:
max_declocking_o2a
-
missing_value:
-999999.0000
-
comment:
ABS(MaxDeclockingFactor_O2A_Band - 1)*100
-
origname:
max_declocking_o2a
-
fullnamepath:
/Preprocessors/max_declocking_o2a
Preprocessors_xco2_strong_idp[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
ppm
-
long_name:
xco2_strong
-
missing_value:
-999999.0000
-
comment:
XCO2 from Strong CO2 Band only, IMAP-DOAS algorithm
-
origname:
xco2_strong_idp
-
fullnamepath:
/Preprocessors/xco2_strong_idp
Preprocessors_max_declocking_wco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
none
-
long_name:
max_declocking_wco2
-
missing_value:
-999999.0000
-
comment:
ABS(MaxDeclockingFactor_WeakCO2_Band - 1)*100
-
origname:
max_declocking_wco2
-
fullnamepath:
/Preprocessors/max_declocking_wco2
Preprocessors_dp_abp[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
hPa
-
long_name:
delta_surface_pressure_abp
-
missing_value:
-999999.0000
-
comment:
Retrieved-Prior Pressure from the fast O2A-band only preprocessor retrieval
-
origname:
dp_abp
-
fullnamepath:
/Preprocessors/dp_abp
Preprocessors_co2_ratio_offset_per_footprint[
footprints=
0
..7]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
co2_ratio_offset_per_footprint
-
missing_value:
-999999.0000
-
comment:
Per footprint offset subtracted from co2_ratio in the L2Std files to form co2_ratio in the lite files
-
origname:
co2_ratio_offset_per_footprint
-
fullnamepath:
/Preprocessors/co2_ratio_offset_per_footprint
Preprocessors_h2o_ratio[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
H2O Ratio
-
missing_value:
-999999.0000
-
comment:
Footprint-corrected Band 3 / Band 2 Ratio of retrieved Single-band XH2O using IMAP-DOAS algorithm
-
origname:
h2o_ratio
-
fullnamepath:
/Preprocessors/h2o_ratio
Preprocessors_xco2_weak_idp[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
ppm
-
long_name:
xco2_weak
-
missing_value:
-999999.0000
-
comment:
XCO2 from Weak CO2 Band only, IMAP-DOAS algorithm
-
origname:
xco2_weak_idp
-
fullnamepath:
/Preprocessors/xco2_weak_idp
Preprocessors_h2o_ratio_offset_per_footprint[
footprints=
0
..7]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
h2o_ratio_offset_per_footprint
-
missing_value:
-999999.0000
-
comment:
Per footprint offset subtracted from h2o_ratio in the L2Std files to form co2_ratio in the lite files
-
origname:
h2o_ratio_offset_per_footprint
-
fullnamepath:
/Preprocessors/h2o_ratio_offset_per_footprint
solar_zenith_angle[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
degrees
-
long_name:
sounding_solar_zenith
-
missing_value:
-999999.0000
-
comment:
solar zenith angle at the time of the measurement
-
origname:
solar_zenith_angle
-
fullnamepath:
/solar_zenith_angle
longitude[
sounding_id=
0
..258938]
(Type is Float32)
xco2_qf_bitflag[
sounding_id=
0
..258938]
(Type is Int32)
-
attributes
-
units:
none
-
long_name:
xco2_quality_flag bitflag
-
missing_value:
-9999
-
comment:
xco2_quality_flag bit flag
-
qf_variables:
co2_ratio, h2o_ratio, altitude_stddev, max_declocking_wco2, dp_o2a, dpfrac, co2_grad_del, albedo_slope_wco2, albedo_slope_sco2, aod_total, aod_ice, albedo_sco2, albedo_quad_wco2, albedo_quad_sco2, rms_rel_wco2, rms_rel_sco2, deltaT, aod_fine, aod_water, dust_height, aod_strataer, aod_seasalt, fs_rel, dws, dp_abp, snow_flag, dp_sco2, chi2_wco2, max_declocking_sco2, snr_wco2, windspeed, water_height
-
origname:
xco2_qf_bitflag
-
fullnamepath:
/xco2_qf_bitflag
latitude[
sounding_id=
0
..258938]
(Type is Float32)
sensor_zenith_angle[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
degrees
-
long_name:
sounding_zenith
-
missing_value:
-999999.0000
-
comment:
zenith angle of the satellite at the time of the measurement
-
origname:
sensor_zenith_angle
-
fullnamepath:
/sensor_zenith_angle
Meteorology_psurf_apriori_o2a[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
hPa
-
long_name:
Band 1 Prior Surface Pressure
-
missing_value:
-999999.0000
-
comment:
Prior surface pressure for Band 1 location, as determined by GEOS5-FP-IT short-term (0-9 hour) forecast
-
origname:
psurf_apriori_o2a
-
fullnamepath:
/Meteorology/psurf_apriori_o2a
Meteorology_psurf_apriori_wco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
hPa
-
long_name:
Band 2 Prior Surface Pressure
-
missing_value:
-999999.0000
-
comment:
Prior surface pressure for Band 2 location, as determined by GEOS5-FP-IT short-term (0-9 hour) forecast
-
origname:
psurf_apriori_wco2
-
fullnamepath:
/Meteorology/psurf_apriori_wco2
Meteorology_psurf_apriori_sco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
hPa
-
long_name:
Band 3 Prior Surface Pressure
-
missing_value:
-999999.0000
-
comment:
Prior surface pressure for Band 3 location, as determined by GEOS5-FP-IT short-term (0-9 hour) forecast
-
origname:
psurf_apriori_sco2
-
fullnamepath:
/Meteorology/psurf_apriori_sco2
Meteorology_windspeed_u_met[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
m/s
-
long_name:
Prior Meteorology Surface Wind Speed, U Component
-
missing_value:
-999999.0000
-
origname:
windspeed_u_met
-
fullnamepath:
/Meteorology/windspeed_u_met
Meteorology_windspeed_v_met[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
m/s
-
long_name:
Prior Meteorology Surface Wind Speed, V Component
-
missing_value:
-999999.0000
-
origname:
windspeed_v_met
-
fullnamepath:
/Meteorology/windspeed_v_met
xco2_quality_flag[
sounding_id=
0
..258938]
(Type is Int16)
-
attributes
-
units:
none
-
long_name:
XCO2_Quality_Flag
-
missing_value:
127
-
comment:
0=Good, 1=Bad
-
origname:
xco2_quality_flag
-
fullnamepath:
/xco2_quality_flag
xco2_averaging_kernel[
sounding_id=
0
..258938]
[
levels=
0
..19]
(Type is Float32)
-
attributes
-
units:
none
-
long_name:
XCO2 Column Averaging Kernel
-
missing_value:
-999999.0000
-
comment:
Normalized XCO2 averaging kernel; Defined on layer boundaries. These are oriented space-to-surface, so the first element defines the TOA, the last element defines the surface.
-
origname:
xco2_averaging_kernel
-
fullnamepath:
/xco2_averaging_kernel
date[
sounding_id=
0
..258938]
[
epoch_dimension=
0
..6]
(Type is Int16)
-
attributes
-
units:
none
-
long_name:
Observation date and time matching sounding_id
-
missing_value:
-9999
-
comment:
Year, month (1-12), day (1-31), hour (0-23), minute (0-59), second (0-59), millisecond (0,300,or 700). Note this time is chosen to correspond exactly to the first 15 digits of sounding_id
-
origname:
date
-
fullnamepath:
/date
Retrieval_dp_o2a[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
hPa
-
long_name:
Delta Psurf from L2, O2A-band Prior
-
missing_value:
-999999.0000
-
comment:
Retrieved Psurf from the L2 Full-Physics retrieval, minus the O2A-band prior Psurf
-
origname:
dp_o2a
-
fullnamepath:
/Retrieval/dp_o2a
Retrieval_dust_height[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
P/Psurf
-
long_name:
Dust Aerosol Height
-
missing_value:
-999999.0000
-
comment:
Retrieved Dust Aerosol Vertical Height
-
origname:
dust_height
-
fullnamepath:
/Retrieval/dust_height
Retrieval_aod_water[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
Water Cloud Optical Depth
-
missing_value:
-999999.0000
-
comment:
Retrieved Water Cloud Optical Depth at 0.755 microns
-
origname:
aod_water
-
fullnamepath:
/Retrieval/aod_water
Retrieval_s32[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
none
-
long_name:
Signal_band3/Signal_band2
-
missing_value:
-999999.0000
-
comment:
Ratio of Band 3 to Band 2 signal level
-
origname:
s32
-
fullnamepath:
/Retrieval/s32
Retrieval_chi2_sco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
Band 3 Reduced Chi-Squared of L2 Fit
-
missing_value:
-999999.0000
-
comment:
Reduced Chi-Squared for Band 3 (Strong CO2 band) of L2 spectral fit
-
origname:
chi2_sco2
-
fullnamepath:
/Retrieval/chi2_sco2
Retrieval_aod_dust[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
Dust Aerosol Optical Depth
-
missing_value:
-999999.0000
-
comment:
Retrieved Dust Aerosol Optical Depth at 0.755 microns
-
origname:
aod_dust
-
fullnamepath:
/Retrieval/aod_dust
Retrieval_albedo_slope_wco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
per wn
-
long_name:
Retrieved Band 2 reflectance slope (land), or slope of lambertian albedo component of BRDF (ocean)
-
missing_value:
-999999.0000
-
origname:
albedo_slope_wco2
-
fullnamepath:
/Retrieval/albedo_slope_wco2
Retrieval_aod_bc[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
Black Carbon Optical Depth
-
missing_value:
-999999.0000
-
comment:
Retrieved Black Carbon Optical Depth at 0.755 microns
-
origname:
aod_bc
-
fullnamepath:
/Retrieval/aod_bc
Retrieval_aod_strataer[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
Stratospheric Aerosol Optical Depth
-
missing_value:
-999999.0000
-
comment:
Retrieved Upper Trop+Stratospheric Aerosol Optical Depth at 0.755 microns
-
origname:
aod_strataer
-
fullnamepath:
/Retrieval/aod_strataer
Retrieval_aod_seasalt[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
Sea Salt Optical Depth
-
missing_value:
-999999.0000
-
comment:
Retrieved Sea Salt Carbon Optical Depth at 0.755 microns
-
origname:
aod_seasalt
-
fullnamepath:
/Retrieval/aod_seasalt
Retrieval_rms_rel_o2a[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
percent
-
long_name:
relative_rms_o2a_band
-
missing_value:
-999999.0000
-
comment:
RMS of the L2 fit residuals in the o2a band, relative to the continuum signal, times 100 [so it is in percent]
-
origname:
rms_rel_o2a
-
fullnamepath:
/Retrieval/rms_rel_o2a
Retrieval_windspeed_apriori[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
m/s
-
long_name:
Prior Surface Wind Speed
-
missing_value:
-999999.0000
-
comment:
Surface wind speed retrieved by the Level-2 retrieval
-
origname:
windspeed_apriori
-
fullnamepath:
/Retrieval/windspeed_apriori
Retrieval_albedo_slope_sco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
per wn
-
long_name:
Retrieved Band 3 reflectance slope (land), or slope of lambertian albedo component of BRDF (ocean)
-
missing_value:
-999999.0000
-
origname:
albedo_slope_sco2
-
fullnamepath:
/Retrieval/albedo_slope_sco2
Retrieval_tcwv_apriori[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
kg/m^2
-
long_name:
Total Column Water Vapor A Priori
-
missing_value:
-999999.0000
-
comment:
Prior TCWV (from GEOS5-FP-IT prior profile)
-
origname:
tcwv_apriori
-
fullnamepath:
/Retrieval/tcwv_apriori
Retrieval_co2_grad_del[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
ppm
-
long_name:
Change in CO2 vertical gradient (surface minus level 13), retrieved-apriori
-
missing_value:
-999999.0000
-
comment:
level 13 is at P/Psurf=0.631579
-
origname:
co2_grad_del
-
fullnamepath:
/Retrieval/co2_grad_del
Retrieval_fs[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
W/m^2/um/sr
-
long_name:
Retrieved Fluorescence at 757 nm
-
missing_value:
-999999.0000
-
comment:
Simultaneous Fluorescence retrieval (at 757 nm) by L2 code; note this is different than the dedicated retrieval using only solar lines
-
origname:
fs
-
fullnamepath:
/Retrieval/fs
Retrieval_psurf_apriori[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
hPa
-
long_name:
Prior Surface Pressure
-
missing_value:
-999999.0000
-
comment:
Prior surface pressure used in the retrieval, as determined by GEOS5-FP-IT short-term (0-9 hour) forecast
-
origname:
psurf_apriori
-
fullnamepath:
/Retrieval/psurf_apriori
Retrieval_SigmaB[
levels=
0
..19]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
SigmaB_Coefficient
-
missing_value:
-999999.0000
-
comment:
Multiply Psurf by these values to get the pressure layer boundaries (= pressure levels)
-
origname:
SigmaB
-
fullnamepath:
/Retrieval/SigmaB
Retrieval_fs_rel[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
Retrieved L2 Fluorescence relative to Band 1 signal
-
missing_value:
-999999.0000
-
comment:
Retrieval Fluorescence relative to Band 1 signal
-
origname:
fs_rel
-
fullnamepath:
/Retrieval/fs_rel
Retrieval_albedo_wco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
none
-
long_name:
Band 2 Albedo
-
missing_value:
-999999.0000
-
comment:
Retrieved Band 2 reflectance (land), or lambertian albedo component of BRDF (ocean)
-
origname:
albedo_wco2
-
fullnamepath:
/Retrieval/albedo_wco2
Retrieval_tcwv[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
kg/m^2
-
long_name:
Total Column Water Vapor
-
missing_value:
-999999.0000
-
comment:
Retrieved TCWV obtained by multiplying retrieved h2o_scale factor to prior TCWV
-
origname:
tcwv
-
fullnamepath:
/Retrieval/tcwv
Retrieval_tcwv_uncertainty[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
kg/m^2
-
long_name:
Total Column Water Vapor Uncertainty
-
missing_value:
-999999.0000
-
comment:
Retrieved TCWV Posterior Uncertainty
-
origname:
tcwv_uncertainty
-
fullnamepath:
/Retrieval/tcwv_uncertainty
Retrieval_albedo_quad_wco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
per wn^2
-
long_name:
Retrieved Band 2 reflectance quadratic component (land), n/a (ocean)
-
missing_value:
-999999.0000
-
origname:
albedo_quad_wco2
-
fullnamepath:
/Retrieval/albedo_quad_wco2
Retrieval_albedo_quad_o2a[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
per wn^2
-
long_name:
Retrieved Band 1 reflectance quadratic component (land), n/a (ocean)
-
missing_value:
-999999.0000
-
origname:
albedo_quad_o2a
-
fullnamepath:
/Retrieval/albedo_quad_o2a
Retrieval_albedo_o2a[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
none
-
long_name:
Band 1 Albedo
-
missing_value:
-999999.0000
-
comment:
Retrieved Band 1 reflectance (land), or lambertian albedo component of BRDF (ocean)
-
origname:
albedo_o2a
-
fullnamepath:
/Retrieval/albedo_o2a
Retrieval_deltaT[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
Kelvin
-
long_name:
Retrieved Offset to Prior Temperature Profile in Kelvin
-
missing_value:
-999999.0000
-
origname:
deltaT
-
fullnamepath:
/Retrieval/deltaT
Retrieval_snow_flag[
sounding_id=
0
..258938]
(Type is Int16)
-
attributes
-
units:
none
-
long_name:
Inferred Snow Flag
-
missing_value:
127
-
comment:
0=not snow, 1=snow
-
origname:
snow_flag
-
fullnamepath:
/Retrieval/snow_flag
Retrieval_h2o_scale[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
Retrieved scale factor to Prior Water Vapor Profile
-
missing_value:
-999999.0000
-
origname:
h2o_scale
-
fullnamepath:
/Retrieval/h2o_scale
Retrieval_dp_sco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
hPa
-
long_name:
Delta Psurf from L2, SCO2-band Prior
-
missing_value:
-999999.0000
-
comment:
Retrieved Psurf from the L2 Full-Physics retrieval, minus the SCO2-band prior Psurf
-
origname:
dp_sco2
-
fullnamepath:
/Retrieval/dp_sco2
Retrieval_dp[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
hPa
-
long_name:
Delta Psurf from L2, Default Prior
-
missing_value:
-999999.0000
-
comment:
Retrieved Psurf from the L2 Full-Physics retrieval, minus the O2A-band prior Psurf
-
origname:
dp
-
fullnamepath:
/Retrieval/dp
Retrieval_windspeed[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
m/s
-
long_name:
Retrieved Surface Wind Speed
-
missing_value:
-999999.0000
-
comment:
Surface wind speed retrieved by the Level-2 retrieval
-
origname:
windspeed
-
fullnamepath:
/Retrieval/windspeed
Retrieval_albedo_quad_sco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
per wn^2
-
long_name:
Retrieved Band 3 reflectance quadratic component (land), n/a (ocean)
-
missing_value:
-999999.0000
-
origname:
albedo_quad_sco2
-
fullnamepath:
/Retrieval/albedo_quad_sco2
Retrieval_dpfrac[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
ppm
-
long_name:
dpfrac
-
missing_value:
-999999.0000
-
comment:
xco2_raw*(1-{Meteorology/psurf_apriori_band3}/{Retrieval/psurf}
-
origname:
dpfrac
-
fullnamepath:
/Retrieval/dpfrac
Retrieval_t700[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
K
-
long_name:
Temperature_at_700hPa
-
missing_value:
-999999.0000
-
comment:
Temperature at 700 hPa (from GEOS5-FP-IT)
-
origname:
t700
-
fullnamepath:
/Retrieval/t700
Retrieval_chi2_o2a[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
Band 1 Reduced Chi-Squared of L2 Fit
-
missing_value:
-999999.0000
-
comment:
Reduced Chi-Squared for Band 1 (O2A band) of L2 spectral fit
-
origname:
chi2_o2a
-
fullnamepath:
/Retrieval/chi2_o2a
Retrieval_aod_ice[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
Ice Cloud Optical Depth
-
missing_value:
-999999.0000
-
comment:
Retrieved Ice Cloud Optical Depth at 0.755 microns
-
origname:
aod_ice
-
fullnamepath:
/Retrieval/aod_ice
Retrieval_iterations[
sounding_id=
0
..258938]
(Type is Int16)
Retrieval_water_height[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
P/Psurf
-
long_name:
Water Cloud Height
-
missing_value:
-999999.0000
-
comment:
Retrieved Water Cloud Vertical Height
-
origname:
water_height
-
fullnamepath:
/Retrieval/water_height
Retrieval_ice_height[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
P/Psurf
-
long_name:
Ice Cloud Height
-
missing_value:
-999999.0000
-
comment:
Retrieved Ice Cloud Vertical Height
-
origname:
ice_height
-
fullnamepath:
/Retrieval/ice_height
Retrieval_rms_rel_wco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
percent
-
long_name:
relative_rms_weak_co2_band
-
missing_value:
-999999.0000
-
comment:
RMS of the L2 fit residuals in the weak co2 band, relative to the continuum signal, times 100 [so it is in percent]
-
origname:
rms_rel_wco2
-
fullnamepath:
/Retrieval/rms_rel_wco2
Retrieval_aod_sulfate[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
Sulfate Aerosol Optical Depth
-
missing_value:
-999999.0000
-
comment:
Retrieved Sulfate Aerosol Optical Depth at 0.755 microns
-
origname:
aod_sulfate
-
fullnamepath:
/Retrieval/aod_sulfate
Retrieval_dws[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
Dust+Water+SeaSalt
-
missing_value:
-999999.0000
-
comment:
Retrieved AOD_dust+AOD_water+AOD_seasalt at 0.755 microns
-
origname:
dws
-
fullnamepath:
/Retrieval/dws
Retrieval_albedo_slope_o2a[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
per wn
-
long_name:
Retrieved Band 1 reflectance slope (land), or slope of lambertian albedo component of BRDF (ocean)
-
missing_value:
-999999.0000
-
origname:
albedo_slope_o2a
-
fullnamepath:
/Retrieval/albedo_slope_o2a
Retrieval_rms_rel_sco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
percent
-
long_name:
relative_rms_strong_co2_band
-
missing_value:
-999999.0000
-
comment:
RMS of the L2 fit residuals in the strong co2 band, relative to the continuum signal, times 100 [so it is in percent]
-
origname:
rms_rel_sco2
-
fullnamepath:
/Retrieval/rms_rel_sco2
Retrieval_eof3_3_rel[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
3rd EOF of Band 3, relative to Signal
-
missing_value:
-999999.0000
-
comment:
A scaled version of the EOF 3, Band 3 amplitude
-
origname:
eof3_3_rel
-
fullnamepath:
/Retrieval/eof3_3_rel
Retrieval_diverging_steps[
sounding_id=
0
..258938]
(Type is Int16)
-
attributes
-
units:
none
-
long_name:
diverging_steps
-
missing_value:
127
-
comment:
No. of diverging steps taken in retrieval
-
origname:
diverging_steps
-
fullnamepath:
/Retrieval/diverging_steps
Retrieval_albedo_sco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
none
-
long_name:
Band 3 Albedo
-
missing_value:
-999999.0000
-
comment:
Retrieved Band 3 reflectance (land), or lambertian albedo component of BRDF (ocean)
-
origname:
albedo_sco2
-
fullnamepath:
/Retrieval/albedo_sco2
Retrieval_chi2_wco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
Band 2 Reduced Chi-Squared of L2 Fit
-
missing_value:
-999999.0000
-
comment:
Reduced Chi-Squared for Band 2 (Weak CO2 band) of L2 spectral fit
-
origname:
chi2_wco2
-
fullnamepath:
/Retrieval/chi2_wco2
Retrieval_surface_type[
sounding_id=
0
..258938]
(Type is Int16)
Retrieval_s31[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
none
-
long_name:
Signal_band3/Signal_band1
-
missing_value:
-999999.0000
-
comment:
Ratio of Band 3 to Band 1 signal level
-
origname:
s31
-
fullnamepath:
/Retrieval/s31
Retrieval_psurf[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
hPa
-
long_name:
Retrieved Surface Pressure
-
missing_value:
-999999.0000
-
comment:
Surface pressure retrieved by the Level-2 retrieval
-
origname:
psurf
-
fullnamepath:
/Retrieval/psurf
Retrieval_aod_total[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
Total Cloud+Aerosol Optical Depth
-
missing_value:
-999999.0000
-
comment:
Retrieved Total Cloud+Aerosol Optical Depth at 0.755 microns
-
origname:
aod_total
-
fullnamepath:
/Retrieval/aod_total
Retrieval_aod_oc[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
dimensionless
-
long_name:
Organic Carbon Optical Depth
-
missing_value:
-999999.0000
-
comment:
Retrieved Organic Carbon Optical Depth at 0.755 microns
-
origname:
aod_oc
-
fullnamepath:
/Retrieval/aod_oc
Retrieval_xco2_raw[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
ppm
-
long_name:
Raw value of Retrieved XCO2
-
missing_value:
-999999.0000
-
origname:
xco2_raw
-
fullnamepath:
/Retrieval/xco2_raw
Sounding_snr_sco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
none
-
long_name:
snr_strong_CO2_L1b
-
missing_value:
-999999.0000
-
comment:
Strong CO2-Band Continuum Signal-to-Noise Ratio
-
origname:
snr_sco2
-
fullnamepath:
/Sounding/snr_sco2
Sounding_operation_mode[
sounding_id=
0
..258938]
(Type is Int16)
-
attributes
-
units:
none
-
long_name:
OCO-2 Operation Mode: 0=Nadir, 1=Glint, 2=Target, 3=Transition
-
missing_value:
127
-
origname:
operation_mode
-
fullnamepath:
/Sounding/operation_mode
Sounding_snr_wco2[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
none
-
long_name:
snr_weak_CO2_L1b
-
missing_value:
-999999.0000
-
comment:
Weak CO2-Band Continuum Signal-to-Noise Ratio
-
origname:
snr_wco2
-
fullnamepath:
/Sounding/snr_wco2
Sounding_glint_angle[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
degrees
-
long_name:
sounding_glint_angle
-
missing_value:
-999999.0000
-
comment:
Angular distance from viewing along the perfect glint direction
-
origname:
glint_angle
-
fullnamepath:
/Sounding/glint_angle
Sounding_altitude_stddev[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
meters
-
long_name:
Altitude Stddev
-
missing_value:
-999999.0000
-
comment:
Standard deviation of surface elevation within the FOV
-
origname:
altitude_stddev
-
fullnamepath:
/Sounding/altitude_stddev
Sounding_sensor_azimuth_angle[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
degrees East of North
-
long_name:
sounding_azimuth
-
missing_value:
-999999.0000
-
comment:
azimuth angle of the satellite at the time of the measurement
-
origname:
sensor_azimuth_angle
-
fullnamepath:
/Sounding/sensor_azimuth_angle
Sounding_airmass[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
degrees
-
long_name:
relative_airmass
-
missing_value:
-999999.0000
-
comment:
Airmass, computed as 1/cos(solar_zenith_angle) + 1/cos(sensor_zenith_angle)
-
origname:
airmass
-
fullnamepath:
/Sounding/airmass
Sounding_land_water_indicator[
sounding_id=
0
..258938]
(Type is Int16)
-
attributes
-
units:
none
-
long_name:
Land Water Indicator
-
missing_value:
127
-
comment:
0=Land;1=Ocean;2=Inland Water;3=Mixed
-
origname:
land_water_indicator
-
fullnamepath:
/Sounding/land_water_indicator
Sounding_polarization_angle[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
degrees
-
long_name:
sounding_polarization_angle
-
missing_value:
-999999.0000
-
origname:
polarization_angle
-
fullnamepath:
/Sounding/polarization_angle
Sounding_snr_o2a[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
none
-
long_name:
snr_O2_L1b
-
missing_value:
-999999.0000
-
comment:
O2A-Band Continuum Signal-to-Noise Ratio
-
origname:
snr_o2a
-
fullnamepath:
/Sounding/snr_o2a
Sounding_solar_azimuth_angle[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
degrees East of North
-
long_name:
sounding_solar_azimuth
-
missing_value:
-999999.0000
-
comment:
solar azimuth angle at the time of the measurement
-
origname:
solar_azimuth_angle
-
fullnamepath:
/Sounding/solar_azimuth_angle
Sounding_path[
sounding_id=
0
..258938]
(Type is Byte)
-
attributes
-
units:
none
-
long_name:
OCO-2 orbit path number
-
missing_value:
-1
-
comment:
OCO-2 fixed orbit path number ranging from 1-233
-
origname:
path
-
fullnamepath:
/Sounding/path
Sounding_altitude[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
meters
-
long_name:
Altitude
-
missing_value:
-999999.0000
-
comment:
Surface Altitude in meters above sea level
-
origname:
altitude
-
fullnamepath:
/Sounding/altitude
Sounding_l1b_type[
sounding_id=
0
..258938]
(Type is Int32)
Sounding_footprint[
sounding_id=
0
..258938]
(Type is Int16)
-
attributes
-
units:
none
-
long_name:
Footprint Number
-
missing_value:
127
-
comment:
Index of OCO-2 Sounding 1-8
-
origname:
footprint
-
fullnamepath:
/Sounding/footprint
Sounding_land_fraction[
sounding_id=
0
..258938]
(Type is Int16)
Sounding_orbit[
sounding_id=
0
..258938]
(Type is Int32)
xco2_uncertainty[
sounding_id=
0
..258938]
(Type is Float32)
-
attributes
-
units:
ppm
-
long_name:
XCO2_Posterior_Error
-
missing_value:
-999999.0000
-
origname:
xco2_uncertainty
-
fullnamepath:
/xco2_uncertainty
co2_profile_apriori[
sounding_id=
0
..258938]
[
levels=
0
..19]
(Type is Float32)
-
attributes
-
units:
ppm
-
long_name:
CO2 Apriori Profile
-
missing_value:
-999999.0000
-
comment:
Prior CO2 Prior assumed by L2 code; Defined on layer boundaries. These are oriented space-to-surface, so the first element defines the TOA, the last element defines the surface.
-
origname:
co2_profile_apriori
-
fullnamepath:
/co2_profile_apriori
vertices[
vertices=
0
..3]
(Type is Int16)
-
attributes
-
origname:
vertices
-
fullnamepath:
/vertices
bands[
bands=
0
..2]
(Type is Int16)
-
attributes
-
origname:
bands
-
fullnamepath:
/bands
epoch_dimension[
epoch_dimension=
0
..6]
(Type is Float32)
no attributes
footprints[
footprints=
0
..7]
(Type is Int16)
levels[
levels=
0
..19]
(Type is Int16)
-
attributes
-
origname:
levels
-
fullnamepath:
/levels
source_files[
source_files=
0
..16]
(Type is String)
-
attributes
-
units:
none
-
long_name:
L2 Source File
-
missing_value:
Missing
-
comment:
Source L2 File Names for these soundings
-
origname:
source_files
-
fullnamepath:
/source_files
vertex_latitude[
sounding_id=
0
..258938]
[
vertices=
0
..3]
(Type is Float32)
-
attributes
-
units:
degrees_north
-
long_name:
vertex_latitude
-
missing_value:
-999999.0000
-
comment:
corner latitudes of the measurement FOV
-
origname:
vertex_latitude
-
fullnamepath:
/vertex_latitude
vertex_longitude[
sounding_id=
0
..258938]
[
vertices=
0
..3]
(Type is Float32)
-
attributes
-
units:
degrees_east
-
long_name:
vertex_longitude
-
missing_value:
-999999.0000
-
comment:
corner longitudes of the measurement FOV
-
origname:
vertex_longitude
-
fullnamepath:
/vertex_longitude