DQRs for Session: 183344 User:liuj1Completed: 02-08-2017

Data Quality Reports for Session: 183344 User: liuj1 Completed: 02/08/2017

TABLE OF CONTENTS

DQR ID	Subject	Data Streams Affected	Data Quality Metric
D160610.13	SGP/S01 - Tower inlet not operational	sgpaoscoS01.b1	Incorrect
D161111.1	SGP/TRACEGAS-AIR/F1 - incorrect SO2 concentrations	sgpaafso2F1.a1	Incorrect
D161117.4	SGP/TRACEGAS/S01 - Instrument	sgpaoscoS01.b1	Missing

DQRID : D160610.13

Start Date	Start Time	End Date	End Time	Data Quality Metric
05/05/2016	1423	05/05/2016	1740	Incorrect

Subject:	SGP/S01 - Tower inlet not operational
DataStreams:	sgpaoscoS01.b1
Description:	Inlet not operational in order to change met sensor.
Measurements:	sgpaoscoS01.b1: mass_flow_through_MFC_2 Nitrous oxide (N2O) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction(n2o_dry) mass_flow_through_MFC_1 Calculated CO concentration(co) gas_pressure N2O mole fraction of during batch measurement(n2o) set_point_for_MFC_2 set_point_for_MFC_1 valve_position_MFC_2 Carbon monoxide (CO) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction(co_dry) valve_position_MFC_1 ambient_temperature Water vapor mixing ratio calculated with nominal sensitivity correction(h2o) seconds_after_calibration gas_temperature

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DQRID : D161111.1

Start Date	Start Time	End Date	End Time	Data Quality Metric
05/11/2016	2242	05/12/2016	0012	Incorrect

Subject:	SGP/TRACEGAS-AIR/F1 - incorrect SO2 concentrations
DataStreams:	sgpaafso2F1.a1
Description:	SO2 concentrations are not representative of the atmosphere for an unknown reason.
Measurements:	sgpaafso2F1.a1: so2_background_correction so2_coefficient Sulfur dioxide (SO2) mixing ratio calculated with nominal sensitivity correction(so2)

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DQRID : D161117.4

Start Date	Start Time	End Date	End Time	Data Quality Metric
04/17/2016	1021	04/18/2016	1415	Missing
03/27/2016	0834	03/28/2016	2000	Missing

Subject:	SGP/TRACEGAS/S01 - Instrument
DataStreams:	sgpaoscoS01.b1
Description:	Improper start up following a power failure. Computers came back up but instruments did not restart (by design for Oliktok). Daily checklists not compiled this period (weekend).
Measurements:	sgpaoscoS01.b1: qc_n2o_dry Nitrous oxide (N2O) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction(n2o_dry) Calculated CO concentration(co) N2O mole fraction of during batch measurement(n2o) gas_pressure time_offset Water vapor mixing ratio calculated with nominal sensitivity correction(h2o) qc_co seconds_after_calibration gas_temperature mass_flow_through_MFC_2 mass_flow_through_MFC_1 North latitude(lat) East longitude(lon) qc_h2o qc_n2o set_point_for_MFC_2 set_point_for_MFC_1 valve_position_MFC_2 Carbon monoxide (CO) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction(co_dry) qc_co_dry valve_position_MFC_1 ambient_temperature Altitude above mean sea level(alt) time base_time

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