Post on 19-Jan-2018
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Ames Research Center Airborne Sensor Facility
Data Processing Milestones • Supported 91 MAS flights since June 1st of 2001• Shipped 750 data tapes since June 1st of 2001• Processed 500 gigabytes of data June 1st of
2001• Level-0 browse Quick-look within hours of
landing• Support PI with special requests for image
products or data processing priorities• New data processing workstations • Expanded disk storage capacity
Ames Research Center Airborne Sensor Facility
Breakdown of MAS flights per Year Number of MAS Missions
0
10
20
30
40
50
60
70
80
1995 1996 1997 1998 1999 2000 2001 2002 2003
FY Year
Proc
esse
d Fl
ight
s
Ames Research Center Airborne Sensor Facility
Breakdown of MAS flights per YearGigabytes of MAS Data
0
50
100
150
200
250
300
350
400
1995 1996 1997 1998 1999 2000 2001 2002 2003
FY Year
Gig
abyt
es
Ames Research Center Airborne Sensor Facility
• 15 ER-2 Flights
• LaRC DAAC ?
Level-1b (data version 0.1) generated in the field February 2003Level-1b (data version 1.0) distributed May 2003
THORpex(1/31/2003 – 3/14/2003)
Ames Research Center Airborne Sensor Facility
• 13 ER-2 Flights
• Archived at GSFC DAAC
Level-0 raw (1 to 1) data generated in the field (Wisconsin) December 2002Level-1b (data version 1.0) distributed February 2003
TX-2002(11/18/02 – 12/12/02)
Ames Research Center Airborne Sensor Facility
• 21 ER-2 Flights
• Two Flights Have Numerous Missing Scan-lines
• Archived at GSFC DAAC
Level-1b (data version 0.1) generated in the field July 2002Level-1b (data version 1.0) distributed December 2002
CRYSTAL-FACE(6/7/02 – 8/10/02)
Ames Research Center Airborne Sensor Facility
• 17 ER-2 Flights
• Archived at LaRC DAAC and GHRC
Level-1b (data version 1.0) distributed February 2002Level-1b (data version 2.0) distributed September 2002
CAMEX-4(8/13/03 – 9/26/03)
Ames Research Center Airborne Sensor Facility
• 13 ER-2 Flights
• Port 2 Spectral Data Not Within Specs
Level-1b (data version 1.0) distributed October 2001Level-1b (data version 2.0) distributed September 2002
CLAMS(6/12/01 – 8/2/01)
Ames Research Center Airborne Sensor Facility
• 16 ER-2 Flights
• Half-ASTER configuration
•Archive at GSFC DAAC and University of Wisconsin
Level-0 raw (1 to 1) generated in the field (WI) April 2001Level-1b (data version 1.0) distributed December 2001Level-1b (data version 2.0) distributed October 2002
TX-2001(3/2/01 – 4/6/01)
Ames Research Center Airborne Sensor Facility
• 31 ER-2 Flights•VIS/SWIR Calibration Issues• Archive at GSFC DAAC, S.A.,
Code 913
Level-1b (software vs. #9) (data vs. 0.1) generated in the field Aug/Sep 2000At the last MAS meeting VIS/SWIR calibration issues resolved. June 2001Level-1b (software vs. #10) (data vs. 1.0) distributed Jul/Aug 2001Problems with HDF file uncovered, (solar and sensor zenith and Azimuth)
Mar/May 2002Level-1b (software vs. #10) (data version 2.0) processed October 2002Problem with HDF file uncovered, (Hot target wrap-around) October 2002Level-1b (Final data vs. 2.0) processed and distributed December 2002
SAFARI(7/25/00 – 10/19/00)
Ames Research Center Airborne Sensor Facility
MAS Data Reprocessing Fix Scientific Data Sets Reprocess
Sensor Azimuth Angle SAFARISolar Zenith Angle TX-2001Solar Azimuth Angle CLAMS
CAMEX-4
Scale Factors ReprocessHot targets in SAFARI are clipped SAFARIHDF Image data is stored as a signed integerAdjusted Image scale factors to compensate
Version, tracking and archivingData Version (Granule Version)File name “…V02.hdf”Updated data to the DAAC
Ames Research Center Airborne Sensor Facility
Improvement in MAS Data Processing Time
• THORpex 2 month• TX-2002 2 months• CRYSTAL FACE 4 months• CAMEX-4 4 months• CLAMS 3 months• TX-2001 7 months
Ames Research Center Airborne Sensor Facility
Level-1b Data Processing Issues
• BB spikes• Calibration Consensus• Time-code Generator• Missing Scan Lines• Descending Scan Line Spikes• SCSII Errors (disk directory)• Engineering Sub-systems
Ames Research Center Airborne Sensor Facility
Level-1b Data Processing Ongoing Efforts
• Ongoing refinement and enhancement of Level-1b and Level-0 software
• Automated Quality Control• Level-1b Users Guide• Level-1b Operators Guide • Level-2 Products
Ames Research Center Airborne Sensor Facility
MAS Web Page
• Transition from GSFC to ARC• Section 508 compliant• Automation for updates• Enhanced Software Tool posting• MAS Article Archive• Map access
Ames Research Center Airborne Sensor Facility
MAS Data Volume from DAACs in Gigabytes
DAAC Year Media TotalFTP TotalGBGSFC 2001 204.52 4.31 208.83
2002 574.65 12.87 587.52Apr 2003 0.0 2.02 2.02
TOTAL 779.17 19.2 798.37
LaRC 2001 153.07 - 153.072002 24.38 - 24.38
Mar 2003 0.53 - 0.53TOTAL 177.99 - 177.99
Ames Research Center Airborne Sensor Facility
MAS Data Orders from DAACs
Ames Research Center Airborne Sensor Facility
DAAC Issues