Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
05/21/1996 | 2200 | 06/13/1996 | 2200 | Suspect |
Subject: | Obstruction in the AERI-01 Enclosure |
DataStreams: | sgpaeri01summaryC1.a1, sgpaerilbldifflsC1.c1, sgpaerilblcloudsC1.c1, sgpaeri01ch2C1.a1, sgpaeri01ch1C1.a1, sgpaeri01engineerC1.a1, sgpaerilbldiffC1.c1 |
Description: | DQR No: Subject: Obstruction in the AERI-01 Enclosure Date Submitted: Submitted By: Robert Knuteson ___ Instrument Mentor ___ EST Member _X_ Science Team Member ___ Other _____________________________ Organization: University of Wisconsin - Madison Email address: robert.knuteson@ssec.wisc.edu Telephone: 608-263-7974 Platform/Measurement: What level data: (raw,a0,a1,b1,c1 etc): All levels What location was the data collected at: ARM SGP CF Period of time in question Begin Date May/ 21/ 1996 Time 22:00 (GMT) End Date June/ 13/ 1996 Time 22:00 (GMT) Data should be labeled: ___ questionable _X_ incorrect ___ wrong calibration ___ others _______________________________ Discussion of Problem: The AERI Profile QME (Wayne Feltz) first detected a problem with AERI-01 data from the SGP CF. Investigation by site personnel on June 14, found numerous bird droppings in the area around the AERI-01 sky hatch plus some grass lying across a portion of the hatch opening. Using the AERI-LBLRTM QME to analyse the data after the fact it appears likely that nesting birds placed pieces of grass in a position to obstruct the AERI field of view to the sky. By some quirk of fate, the problem actually fixed itself about 12 hours before the site personnel made their inspection of the AERI viewport and discovered the evidence described above. The system has been operating normally since June 13, 1996 22:00 UTC as confirmed by a recent analysis of the AERI-LBLRTM QME results. Other observations/measurements impacted by this problem: This effects all QMEs and other analyses that use the AERI-01 data. Suggested Corrections of the Problem: (e.g. change calibration factor and recompute, flag data with this comment, etc.) It is unlikely that this data can or will be corrected. REQUIRED ACTIONS: This report is informational no further action required____X_____ Experiment Center action required as follows: None Site Operations action required as follows: None Archive action required as follows: None |
Suggestions: | |
Measurements: | sgpaerilbldiffC1.c1: more
sgpaeri01ch1C1.a1: more sgpaerilbldifflsC1.c1: more sgpaeri01summaryC1.a1: more sgpaeri01ch2C1.a1: more sgpaeri01engineerC1.a1: more sgpaerilblcloudsC1.c1: more |