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IHOP Intercomparisons Selection of Case Studies & First Quicklooks

IHOP Intercomparisons Selection of Case Studies & First Quicklooks. Andreas Behrendt , Thorsten Schaberl, Hans-Stefan Bauer, Volker Wulfmeyer, Cyrille Flamant, Christoph Kiemle. Contents. WALES IHOP Intercomparison Table Airborne-airborne intercomparisons Airborne-ground intercomparisons

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IHOP Intercomparisons Selection of Case Studies & First Quicklooks

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  1. IHOP Intercomparisons Selection of Case Studies & First Quicklooks Andreas Behrendt, Thorsten Schaberl, Hans-Stefan Bauer, Volker Wulfmeyer, Cyrille Flamant, Christoph Kiemle Contents • WALES • IHOP Intercomparison Table • Airborne-airborne intercomparisons • Airborne-ground intercomparisons • First Quicklooks • Conclusions & Outlook IHOP Workshop

  2. Water Vapor Lidar Experiment in Space (WALES) European Space Agency Earth Explorer Mission in Phase A IHOP Workshop

  3. WALES Verification • Use unique IHOP_2002 data set: • Task1: Intercomparisons and collection of data • Task2: Organization of water vapor and background data • Task3: Case studies • Task4: Input data for end-to-end performance model • Task5: Conclusion and recommendations IHOP Workshop

  4. Lidar Instruments Airborne DIAL systems • DLR Falcon - H2O-DIAL • NASA DC8 - LASE • NRL P3 - LEANDREII Ground-based Raman lidar systems • SRL • CARL IHOP Workshop

  5. Selection of Case Studies • Collection of flight times • Mission reports • Quick looks • Calculating instrument distances • Ignore horizontal distances > 20 km • Including instrument operation times and mode • Mission reports • Communication with PIs • Taking data quality and weather conditions into account • Communication with PIs • Quick looks  Intercomparison days IHOP Workshop

  6. Aircraft Flight Times IHOP Workshop

  7.        Aircraft – Aircraft Distances IHOP Workshop

  8. Aircraft – Aircraft Distances IHOP Workshop

  9. 2nd step • Lidar operation times • When were H2O measurements done? • Lidar operation mode • Was LEANDREII pointing sideway? • Weather conditions • No H2O data due to clouds? IHOP Workshop

  10. Airborne-Airborne Intercomparison Table IHOP Workshop

  11. 2 formation flights + 3 profiles 7 profiles No direct comparisons possible. Airborne-Airborne Intercomparison Table IHOP Workshop

  12. Airborne/Ground-Based Intercomparisons SRL site IHOP Workshop

  13. Airborne/Ground-Based Intercomparisons Two aircrafts: First priority 29.05.02 17:11 – 20:39 UTC (DLR DIAL and LEANDREII against SRL) 03.06.02 18:52 – 21:32 UTC (DLR DIAL and LASE against SRL) 07.06.02 16:56 – 19:41 UTC (DLR DIAL and LEANDREII against SRL) 09.06.02 12:55 – 20:31 UTC (DLR DIAL and LASE against SRL) 14.06.02 11:59 – 18:49 UTC (DLR DIAL and LASE against SRL) One aircraft: Second priority: 25.05.02 17:50/18:15/18:49 UTC (DLR DIAL against SRL) 27.05.02 17:10/17:16/19:49 UTC (LEANDREII against CARL) 02.06.02 02:47/02:58/06:21 UTC (LASE against CARL) 11.06.02 17:09/18:13/19:13/20:08 UTC (LASE against SRL) Many profiles for SRL and two aircrafts. IHOP Workshop

  14. First Quicklook: 7/8 June 2002 LeandreII/DLR-DIAL Formation Flight IHOP Workshop

  15. First Quicklook: 7/8 June 2002 LeandreII/DLR-DIAL Formation Flight IHOP Workshop

  16. P3- Mixing Ratio, g/kg IHOP Workshop

  17. Conclusions • DIAL/DIAL formation flight comparisons: - Falcon/P-3: 19 May (~ 9 minutes) and 07 June (~ 10 minutes) • DIAL/DIAL profile/profile: - no P-3/DC-8 - Falcon/DC-8: 7 profiles - Falcon/P-3: 3 additional profiles • DIAL/ground-based SRL: many profiles available • DIAL/ground-based CARL: - P-3 and DC-8: max. 3 profiles each on 27.5. and 2.6., resp. • DIAL/dropsondes, DIAL/AERI ??? IHOP Workshop

  18. Outlook • Several comparisons of DIAL systems available to investigate systematic errors • Large amount of data available to specify noise errors and the effects of atmospheric inhomogeneities for WALES • Cases selected, data intercomparison ongoing! IHOP Workshop

  19. IHOP Workshop

  20. All Possible Intercomparisons: • 19 May 2002: DLR DIAL/LEANDREII formation flight comparison BLH day for task 4 studies. • 24 May 2002: DLR DIAL/LASE comparisons CI day for task 4 studies. • 29 May 2002: DLR DIAL/LEANDREII intercomparison data points. Homestead intercomparison day (DLR DIAL/SRL and LEANDREII/SRL). BLH day for task 4 studies. • 3 June 2002: Spare day for data analysis. • 7/8 June 2002: DLR DIAL/LEANDREII formation flight. E-LLJ day for studies within task 4. • 9 June 2002: Spare day for data analysis. • 14 June 2002: DLR DIAL/LASE comparisons. Homestead intercomparisons (DLR DIAL/SRL, LASE/SRL) BLE day for task 4 studies IHOP Workshop

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