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[Table Change] Add new optional variables to observations_fields.csv #22

Description

@emanueletramutola

Contributor Name

Emanuele Tramutola

Role

Software Engineer

GitHub Handle or Email

emanuele.tramutola@cnr.it

Target Table File Name

observations_fields.csv

Table Description

This table defines the available fields (columns) within the observation data files, specifying their names, types (kind), and descriptions to ensure a standardized data record format.

Type of Change

  • Correction (typo, value fix)
  • New entry addition
  • Unit or value update
  • Structural change (column rename, new column)
  • Metadata enhancement
  • Deprecation or retirement
  • Other

Current Content (before change)

(The table goes up to "field_id" 22)

Proposed Content (after change)

23 alt_amsl_corr_ma 1 Altitude above mean sea level after applying a moving-average (MA) smoothing correction to reduce high-frequency noise in the ascent rate.
24 alt_amsl_corr_release_transition 1 Altitude corrected for the transient dynamical behaviour of the balloon–sonde system immediately after release, when the ascent rate has not yet stabilised.
25 alt_amsl_uc_cor_dac_timing 1 Uncertainty component (correlated) arising from digitisation and timing errors in the data acquisition chain that affect the altitude derivation.
26 alt_amsl_uc_cor_geoid 1 Geoid uncertainty
27 alt_amsl_uc_cor_release_transition 1 Correlated uncertainty component associated with the release-transition correction applied to altitude.
28 alt_amsl_uc_cor_vdop 1 Correlated uncertainty contribution from the vertical dilution of precision (VDOP) of the GPS constellation geometry, affecting the accuracy of GPS-derived altitude.
29 alt_amsl_uc_ucor_ma 1 Uncorrelated (random) uncertainty component introduced by the moving-average smoothing applied to altitude.
30 alt_flag_release_transition 1 Quality flag indicating whether a given data record falls within the release-transition phase, where aerodynamic and pendulum effects may compromise measurement quality.
31 alt_wgs84 1 Altitude WGS84
32 alt_wgs84_uc 1 Uncertainty of altitude WGS84
33 band 1 Measurement band flag
34 dorn 1 Day or night
35 geoid 1 Geoid difference
36 geoid_corr 1 Geoid correction
37 grav 1 Acceleration of gravity
38 hca 1 Horizon correction angle
39 hdop_raw 1 HDOP
40 icesat 1 Humidity of ice saturation
41 ihum_raw 1 Raw internal humidity
42 ihum_raw_flags 1 Flags of raw internal humidity
43 lat_sm 1 Strong smoothed trajectory latitude
44 latmf 1 Latitude conversion factor
45 lonmf 1 Longitude conversion factor
46 negative_rh_flg 1 Quality flag marking samples where the (corrected or raw) relative humidity value is physically unrealistic (< 0 %), typically caused by sensor drift or calibration offsets at low RH.
47 penper 1 Pendulum period
48 penrad 1 Pendulum radius
49 penrad_uc 1 Uncertainty of pendulum radius
50 penrad_uc_ucor 1 Uncorrelated uncertainty of pendulum radius
51 penspeed 1 Pendulum speed
52 penspeed_uc 1 Uncertainty of pendulum speed
53 penspeed_uc_ucor 1 Uncorrelated uncertainty of pendulum speed
54 posx_raw 1 Raw X coordinate
55 posx_raw_flags 1 Flags of raw X coordinate
56 posy_raw 1 Raw Y coordinate
57 posy_raw_flags 1 Flags of raw Y coordinate
58 posz_raw 1 Raw Z coordinate
59 posz_raw_flags 1 Flags of raw Z coordinate
60 press_sens 1 Sensor pressure
61 press_sens_corr 1 Correction of sensor pressure
62 press_sens_corr_cal 1 Calibration correction of sensor pressure
63 press_sens_corr_sm 1 Smoothing correction of sensor pressure
64 press_sens_raw 1 Raw sensor pressure
65 press_sens_raw_flags 1 Flags of raw sensor pressure
66 press_sens_uc 1 Uncertainty of sensor pressure
67 press_sens_uc_tcor 1 Temporal correlated uncertainty of sensor pressure
68 press_sens_uc_tcor_cal 1 Uncertainty of sensor pressure related to calibration
69 press_sens_uc_ucor 1 Uncorrelated uncertainty of sensor pressure
70 press_sens_uc_ucor_sm 1 Uncertainty of sensor pressure related to smoothing
71 press_uc_cor_height_from_rp 1 Correlated uncertainty of air pressure
72 press_uc_cor_tv 1 Correlated uncertainty of air pressure
73 press_uc_psurf_cor 1 Correlated uncertainty of air pressure
74 press_uc_ucor_thickness 1 Uncorrelated uncertainty of air pressure
75 press_uc_ucor_tv 1 Uncorrelated uncertainty of air pressure
76 rh_contamination_filtered 1 RH after removal of data intervals identified as contaminated by wetting, icing, or chemical fouling of the humidity sensor.
77 rh_corr_contamination 1 Additive correction applied to RH to account for sensor contamination effects, derived from contamination-detection algorithms.
78 rh_corr_hysteresis 1 Correction term compensating for the hysteresis behaviour of the capacitive humidity sensor, which causes a delayed response during rapid humidity transitions.
79 rh_corr_sm 1 Smoothing correction of relative humidity
80 rh_corr_tl 1 Timelag correction of relative humidity
81 rh_corr_trc 1 Radiation temperature correction of relative humidity
82 rh_corr_tsta 1 Correction to RH based on the static (ambient) temperature of the sensor housing, accounting for temperature-dependent sensor sensitivity changes.
83 rh_corr_tud 1 Correction to RH accounting for the thermal gradient between the sensor element and its immediate environment, relevant under radiative heating conditions.
84 rh_hysteresis_corrected 1 RH values after the hysteresis correction has been applied.
85 rh_tl_corrected 1 RH corrected for time-lag effects of the sensor's response, which becomes significant at low temperatures due to slowed molecular diffusion within the hygroscopic polymer layer.
86 rh_tud_corrected 1 RH corrected for the sensor temperature uncertainty due to differential (upper–lower) thermal gradient effects.
87 rh_uc_cor_contamination_filter 1 Correlated uncertainty component in RH arising from the contamination filtering procedure.
88 rh_uc_cor_hysteresis_correction 1 Correlated uncertainty contribution from the hysteresis correction applied to RH.
89 rh_uc_cor_sensor_calib 1 Correlated uncertainty component attributable to systematic biases in the pre-launch factory or field calibration of the humidity sensor.
90 rh_uc_cor_tl_correction 1 Correlated uncertainty component associated with the time-lag correction applied to RH.
91 rh_uc_cor_tsta_correction 1 Correlated uncertainty from the static temperature correction of RH.
92 rh_uc_cor_tud_correction 1 Correlated uncertainty component linked to the upper–lower temperature differential correction of RH.
93 rh_uc_tcor_cal 1 Uncertainty of relative humidity related to calibration
94 rh_uc_tcor_tint 1 Uncertainty of relative humidity related to internal T sensor
95 rh_uc_tcor_tlc 1 Temporal correlated uncertainty of relative humidity related to TLC
96 rh_uc_tlc 1 Uncertainty of relative humidity related to TLC
97 rh_uc_ucor_contamination_filter 1 Uncorrelated (random) uncertainty component in RH from the contamination filtering step.
98 rh_uc_ucor_hysteresis_correction 1 Uncorrelated uncertainty contribution from the hysteresis correction of RH.
99 rh_uc_ucor_sm 1 Uncertainty of relative humidity related to smoothing
100 rh_uc_ucor_tair 1 Uncertainty of relative humidity related to air T sensor
101 rh_uc_ucor_tlc 1 Uncorrelated uncertainty of relative humidity related to TLC
102 rh_uc_ucor_tsta_correction 1 Uncorrelated uncertainty contribution from the static temperature correction of RH.
103 rh_uc_ucor_tud_correction 1 Uncorrelated uncertainty contribution from the differential temperature correction of RH.
104 sea 1 Solar elevation angle
105 tau_rh 1 Timelag of humidity sensor
106 tau_rh_uc 1 Uncertainty of timelag of humidity sensor
107 tau_rh_uc_tcor 1 Temporal correlated uncertainty of timelag of humidity sensor
108 temp_corr_ma 1 Air temperature after application of a moving-average smoothing to suppress high-frequency noise while preserving the vertical thermal structure.
109 temp_corr_rad 1 Radiation correction of temperature
110 temp_corr_rad_heating 1 Radiation correction of air_temperature
111 temp_corr_rad_orientation 1 Radiation correction of air_temperature
112 temp_corr_sm 1 Smoothing correction of temperature
113 temp_corr_spike_filtered 1 Temperature with isolated spike artefacts removed; spikes are identified by deviation exceeding a statistical threshold relative to neighbouring samples.
114 temp_flag_corr_rad 1 Quality flag indicating whether and to what degree the solar radiation correction has been applied to temperature.
115 temp_flag_spike_filter 1 Quality flag marking data samples identified and removed by the spike-detection algorithm.
116 temp_uc_cor_calibration 1 Temperature
117 temp_uc_cor_chamber 1 Temperature
118 temp_uc_cor_rad_corr_albedo 1 Correlated uncertainty in temperature arising from uncertainties in the surface albedo used in the solar radiation correction model (relevant during descent or near the surface).
119 temp_uc_cor_rad_corr_vent 1 Correlated uncertainty component related to the assumed ventilation rate of the temperature sensor used in the radiation correction.
120 temp_uc_rad 1 Uncertainty of temperature related to TRC
121 temp_uc_scor_rad 1 Spatial correlated uncertainty of temperature related to TRC
122 temp_uc_tcor_cal 1 Uncertainty of temperature related to calibration
123 temp_uc_tcor_rad 1 Temporal correlated uncertainty of temperature related to TRC
124 temp_uc_ucor_ma 1 Uncorrelated uncertainty introduced by the moving-average smoothing applied to temperature.
125 temp_uc_ucor_rad 1 Uncorrelated uncertainty of temperature related to TRC
126 temp_uc_ucor_rad_corr_orientation 1 Uncorrelated uncertainty in temperature from the unknown sensor orientation relative to the solar beam, affecting the accuracy of the radiation correction.
127 temp_uc_ucor_sm 1 Uncertainty of temperature related to smoothing
128 temp_uc_ucor_spike_filter 1 Uncorrelated uncertainty associated with the spike-filtering procedure applied to temperature.
129 thum 1 Temperature of humidity sensor
130 thum_raw 1 Raw temperature of humidity sensor
131 thum_raw_flags 1 Flags of raw internal humidity temperature
132 thum_uc 1 Uncertainty of temperature of humidity sensor
133 vdop_raw 1 VDOP - Vertical Dilution of Precision
134 wdir_corr_sm 1 Smoothing correction of wind direction
135 wdir_uc_ucor_gnss 1 Uncertainty of wind direction related to GNSS
136 wdir_uc_ucor_sm 1 Uncertainty of wind direction related to smoothing
137 wdir_usm 1 Unsmoothed wind direction
138 wmeri_corr_sm 1 Smoothing correction of meridional wind component
139 wmeri_ds_perturb 1 Meridional (north–south) wind perturbation derived by the direct subtraction method.
140 wmeri_ds_raw_flags 1 Flags of raw meridional wind component
141 wmeri_ds_uc_ucor_filter 1 Uncorrelated uncertainty of the direct-subtraction meridional perturbation after filtering.
142 wmeri_mv_perturb 1 Meridional wind perturbation derived using a moving-average background profile.
143 wmeri_mv_raw_flags 1 Flags of raw meridional wind component
144 wmeri_mv_uc_ucor_filter 1 Uncorrelated uncertainty of the moving-average meridional perturbation after filtering.
145 wmeri_perturb 1 Best-estimate meridional wind perturbation (combining both derivation methods or using the GRUAN-recommended approach).
146 wmeri_uc_ucor_filter 1 Uncorrelated uncertainty of the best-estimate meridional perturbation.
147 wmeri_uc_ucor_gnss 1 Uncertainty of meridional wind component related to GNSS
148 wmeri_uc_ucor_sm 1 Uncertainty of meridional wind component related to smoothing
149 wspeed_corr_sm 1 Smoothing correction of wind speed
150 wspeed_ds_perturb 1 Wind speed (scalar) perturbation derived by the direct-subtraction method.
151 wspeed_mv_perturb 1 Wind speed perturbation derived using a moving-average background.
152 wspeed_perturb 1 Best-estimate scalar wind speed perturbation.
153 wspeed_uc_ucor_gnss 1 Uncertainty of wind speed related to GNSS
154 wspeed_uc_ucor_sm 1 Uncertainty of wind speed related to smoothing
155 wspeed_usm 1 Unsmoothed wind speed
156 wvmr_mass_uc_tcor 1 Temporal correlated uncertainty of water vapour mass mixing ratio
157 wvmr_vol_uc_tcor 1 Temporal correlated uncertainty of water vapour volume mixing ratio
158 wvpp_uc_tcor 1 Temporal correlated uncertainty of water vapour partial pressure
159 wvsp_uc_tcor 1 Temporal correlated uncertainty of water vapour saturation pressure
160 wzon_corr_sm 1 Smoothing correction of zonal wind component
161 wzon_ds_perturb 1 Zonal (east–west) wind perturbation derived by direct subtraction.
162 wzon_ds_uc_ucor_filter 1 Uncorrelated uncertainty of the direct-subtraction zonal perturbation after filtering.
163 wzon_mv_perturb 1 Zonal wind perturbation derived using a moving-average background profile.
164 wzon_mv_uc_ucor_filter 1 Uncorrelated uncertainty of the moving-average zonal perturbation after filtering.
165 wzon_perturb 1 Best-estimate zonal wind perturbation.
166 wzon_uc_ucor_filter 1 Uncorrelated uncertainty of the best-estimate zonal perturbation.
167 wzon_uc_ucor_gnss 1 Uncertainty of zonal wind component related to GNSS
168 wzon_uc_ucor_sm 1 Uncertainty of zonal wind component related to smoothing

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