DQRs for Session: 140059 User:pzhuCompleted: 01-27-2012

Data Quality Reports for Session: 140059 User: pzhu Completed: 01/27/2012

TABLE OF CONTENTS

DQR ID	Subject	Data Streams Affected
D100224.6	GRW/MWR/M1 - Reprocess: Biased LWP retrievals-Updated retrieval coefficients	grwmwrlosM1.b1, grwmwrtipM1.a1
D100402.3	GRW/WACR/M1 - Coherence Filter Contamination	grwwacrM1.b1
D110118.2	GRW/ECOR/M1 - Effects on ECOR CO2 Flux and Concentration by Aircraft	grw30ecorM1.b1

DQRID : D100224.6

Start Date	Start Time	End Date	End Time
05/01/2009	0000	03/31/2010	1700

Subject:	GRW/MWR/M1 - Reprocess: Biased LWP retrievals-Updated retrieval coefficients
DataStreams:	grwmwrlosM1.b1, grwmwrtipM1.a1
Description:	Retrieval coefficients were updated to screen for some bad soundings
Measurements:	grwmwrtipM1.a1: liqtip grwmwrlosM1.b1: Total liquid water along LOS path(liq)

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DQRID : D100402.3

Start Date	Start Time	End Date	End Time
06/09/2009	1600	04/02/2010	1200

Subject:	GRW/WACR/M1 - Coherence Filter Contamination
DataStreams:	grwwacrM1.b1
Description:	The coherence filter (software) that was added to the WACR under BCR-01500 was causing occasional contamination to WACR data. This was exhibited in the first 2000 m of range by streaking in the data over a period of time. It didn't occur often and when it did, it is quite obvious looking at the plots. On 4/2/2010 at 12:00 UTC, the coherence filter was modified to preclude working on signals with a SNR greater than 60 dB. The vendor thinks this will solve the problem.
Measurements:	grwwacrM1.b1: lat PowerHotLoad Temp_Computer_Enclosure Temp_Antenna_Bottom SignalToNoiseRatio heights PowerAmbientLoad Temp_LNA Polarization Temp_Modulator_Control PowerTransmitDriver Temp_Hot txpower MMCR Spectral Width(SpectralWidth) Temp_ambient Noise Temp_Outside Temp_Future base_time alt time time_offset wacr_status Temp_Chiller lon Cloud, reflectivity, at altitude(Reflectivity) Temp_Antenna_Top Temp_Chiller_Supply Temp_modulator Temp_EIKA MMCR Mean Doppler Velocity(MeanDopplerVelocity) Temp_Chiller_Return

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DQRID : D110118.2

Start Date	Start Time	End Date	End Time
04/15/2009	1530	10/11/2010	0800

Subject:	GRW/ECOR/M1 - Effects on ECOR CO2 Flux and Concentration by Aircraft
DataStreams:	grw30ecorM1.b1
Description:	Aircraft landings, departures, and running aircraft on the airport pad were found to produce spikes in the half hourly CO2 flux and small spikes in CO2 concentration on many days during the entire deployment of the AMF1 at GRW. This influence sometimes occurred multiple periods in a day; this was typical of the year of data. The spikes range from only several micromoles s-1 m-2 to one hundred or more for flux (a typical spike was in the twenties) and near zero to 1.0 mmoles m-3 for CO2 concentration (typically around 0.15). Occasionally an influence on water vapor density was detected, but this was fairly rare and usually of very small magnitude.
Measurements:	grw30ecorM1.b1: variance of variable c(var_c) CO2 flux(fc) covariance uc(cvar_uc) rotated covariance wc(cvar_rot_wc) covariance tc(cvar_tc) rotated covariance vc(cvar_rot_vc) covariance wc(cvar_wc) covaraince vc(cvar_vc) Mean CO2 density(mean_c) rotated covariance uc(cvar_rot_uc)

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