DQRID : D160608.7
Start DateStart TimeEnd DateEnd Time
04/05/2016150004/08/20161000
04/12/2016140204/12/20162000
more
Subject:
SGP/PGS/C1 - System maintenance periods
DataStreams:sgppgsauxC1.a1, sgppgsC1.a1, sgppgsC1.b1, sgppgsC1.00
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)
more
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)
more
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)
more
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)
more

Close this window