Subject: | SGP/PGS/C1 - System maintenance periods |
DataStreams: | sgppgsauxC1.a1, sgppgsC1.a1, sgppgsC1.b1, sgppgsC1.00
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Description: | Data from this period was used for system testing purposes only. This data should not be
used for science. Nafion box replacement and testing. |
Suggestions: | Do not use this data |
Measurements: | sgppgsC1.00: - (Raw data stream - documentation not supported)
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sgppgsC1.a1: - Picarro optical cavity temperature(cavity_temperature)
- Carbon dioxide dry volume mixing ratio(co2_dry)
- Measured water content(h2o)
- Methane dry volume mixing ratio(ch4_dry)
- Analyzer temperature(analyzer_temperature)
- Measured CO2 mole fraction(co2)
- Picarro etalon temperature(etalon_temperature)
- Outlet DAC (digital to analog converter) value for Picarro cavity pressure
control(outlet_valve) - Species being analyzed during sample(species)
- Methane concentration(ch4)
- Picarro warm box temperature(warm_box_temperature)
- Value indicating which solenoid valve is currently used(solenoid_valve)
- Cavity pressure(cavity_pressure)
- Value indicates state of the rotary valco valve (range 1 to 8)(mp_valve_position)
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sgppgsC1.b1: - calibration coefficient 3 (quadratic fit) 90% confidence limit(coeff3_se)
- Temperature in refigerator(t_refrig)
- MFRSR channels(channel)
- flag indicating which channel isotope sample was taken from(iso)
- calculated concentration of CO2(co2ppm)
- calibration coefficient 2 (quadratic fit) 90% confidence limit(coeff2_se)
- First level of QC, see warn_flag_explanation global attribute(warn_flag)
- 90% confidence limint of co2mv_slope(co2mv_slope_se)
- temperature of the IRGA(t_irga)
- Number of measurements for indicated channel(nmeas)
- 90% confidence limit of co2ppm(co2ppm_se)
- calibration coefficient 1 (quadratic fit) 90% confidence limit(coeff1_se)
- Pressure of channel 2(pres2)
- surface pressure(pres1)
- Slope of CO2 readings during last 30sec of 3min period of raw data(co2mv_slope)
- Pressure of channel 4(pres4)
- r-squared of quadratic fit(r2)
- Pressure of channel 3(pres3)
- calibration coefficient 3 (quadratic fit)(coeff3)
- calibration coefficient 2 (quadratic fit)(coeff2)
- calibration coefficient 1 (quadratic fit)(coeff1)
- pressure inside the IRGA box measured by the pressure controller(pres_ctrlr)
- p-value of co2 readings during the last 30sec of 3min period of raw data(co2mv_slope_pval)
- reading of CO2 in mV(co2mv)
- Second level of QC, see reject_flag_explanation global attribute(reject_flag)
- reference CO2 reading in mV(ref)
- flow rate measured by the mass flow controller(flow_rate)
- standard deviation of co2mv(co2mv_se)
- adjusted CO2(adj)
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sgppgsauxC1.a1: - Chiller temperature during 1 minute interval.(chiller_temperature)
- Measured pressure control(pressure_control)
- Measured Nafion box temperature.(nafion_box_temperature)
- Battery minimum in 1 minute interval(battery_minimum)
- Line pressure for tower sample at 25 meters above the ground.(line_pressure_tower_inlet_25m)
- Dry purge cylinder high pressure(dry_purge_cylinder_pressure)
- Line pressure for tower sample at 60 meters above the ground.(line_pressure_tower_inlet_60m)
- Pump relay state for sample at 2 meters above the ground.(pump_relay_state_2m)
- Line pressure for tower sample at 4 meters above the ground.(line_pressure_tower_inlet_4m)
- Flow of Nafion box dry purge(dry_purge_flow)
- Pump relay state for sample at 60 meters above the ground.(pump_relay_state_60m)
- Pressure in dry purge cylinder line(dry_purge_line_pressure)
- Average line exhaust flow for 2 meter sample.(line_exhaust_flow_2m)
- Air flow near rear fan in pump box.(rear_fan_flow)
- Liquid alarm state for 2 meter inlet.(liquid_alarm_tower_inlet_2m)
- Pressure for high span calibration cylinder.(calibration_cylinder_high_span_pressure)
- Liquid alarm state for 25 meter inlet.(liquid_alarm_tower_inlet_25m)
- Average line exhaust flow for 60 meter sample.(line_exhaust_flow_60m)
- Nafion drier purge pressure(nafion_purge_pressure)
- Pressure for low span calibration cylinder.(calibration_cylinder_low_span_pressure)
- Pressure for target calibration cylinder.(calibration_cylinder_target_pressure)
- Pump relay state for sample at 25 meters above the ground.(pump_relay_state_25m)
- Line pressure for tower sample at 2 meters above the ground.(line_pressure_tower_inlet_2m)
- Air flow near front fan in pump box.(front_fan_flow)
- Pump relay state for sample at 4 meters above the ground.(pump_relay_state_4m)
- Average line pressure for low span calibration cylinder.(calibration_cylinder_low_span_line_pressure)
- Measured pump box temperature(pump_box_temperature)
- Average line pressure for target calibration cylinder.(calibration_cylinder_target_line_pressure)
- Average line pressure for high span calibration cylinder.(calibration_cylinder_high_span_line_pressure)
- Average line exhaust flow for 4 meter sample.(line_exhaust_flow_4m)
- Liquid alarm state for 4 meter inlet.(liquid_alarm_tower_inlet_4m)
- Average line exhaust flow for 25 meter sample.(line_exhaust_flow_25m)
- Liquid alarm state for 60 meter inlet.(liquid_alarm_tower_inlet_60m)
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