Workshop Agenda

08:00-08:30 a.m.

 Registration

08:30-08:45

Welcome and Introduction - (Jay Fein, Rick Rosen, Rick Anthes)

08:45-12:15

Opening Session - (Moderator: Bill Kuo, UCAR)

08:45-9:15

Climate Data Records - A maturity model and research - operations transitions - John Bates, NOAA

9:15-9:45

Overview of GPS RO technique and errors that may affect the RO climate record - Chris Rocken, UCAR

9:45-10:15

Effects and magnitudes of some specific errors of GPS RO data and assumptions used in their processing - Sergey Sokolovskiy, UCAR

10:15-10:45

Coffee Break

10:45-11:15

The SI traceability of GPS RO data - Stephen Leroy, Harvard U.
Related Publications:  
Leroy, S.S., J.A. Dykema, and J.G. Anderson, 2006: Climate benchmarking using GPS occultation.
Leroy, S.S., J.A. Dykema, P.J. Gero, and J.G. Anderson, 2007: Testing climate models using GNSS occultation and infrared spectra.
Leroy, S.S., J.G. Anderson, and J.A. Dykema, 2006: Testing climate models using GPS radio occultation: A sensitivity analysis.
Leroy, S.S., J.G. Anderson, and G. Ohring, 2008: Climate signal detection times and climate benchmark accuracy requirements. 
Leroy, S.S., J.A. Dykema, and J.G. Anderson, 2008: Scalar prediction in climate using data and model.

11:15-11:45

ECMWF reanalysis using GPS RO data - Sean Healey, ECMWF

11:45-12:15

Comparability and reproducibility of RO data - Ben Ho, UCAR

12:15-13:15

Lunch Break

13:15-14:45
Section 1

Precision, Accuracy and Long-term stability of RO Data

Issue 1: Comparability of data from different COSMIC satellites
Issue 2 - Comparability of CHAMP and COSMIC and other GPS satellite systems
(Co-chairs: Tony Mannucci, JPL and Tom Peterson, NOAA)

14:45-15:15

Coffee Break

15:15-16:45
Section

Data Processing and Assumptions

Issue 3: Reproducibility of refractivity results
Issue 4: Reproducibility of temperature results
Issue 5: Impact of assumptions on both refractivity and retrieved profiles
(Co-chairs Kursinski, U. of Arizona, Tony Reale, NOAA)

16:45-17:30
Section 3

Use of RO derived parameters for climate applications

Issue 6: Observed refractivity vs. retrieved meteorological profiles
(Co-chairs: Stephen Leroy, Harvard U., Howard Diamond, NOAA)

17:30-18:00

Discussions and Conclusions

18:00-20:00

Reception at the Foothills Lab #2, Atrium Cafeteria

8:30-10:30
Section 4

Challenges - Lower troposphere + upper Stratosphere

Issue 7: Profiling of the lower troposphere
Issue 8: Impact of observations scattered across space and time
Issue 9: Potential aliasing by water vapor changes in GPS-RO temperature time series
Issue 10: Water vapor retrievals
(Co-chairs: Gottfried Kirchengast +Seth Gutman, NOAA)

10:30-11:00

Coffee Break

11:00-12:30

Wrap-up Discussions and Action items (co-chairs Bill Kuo and John Bates)

12:30

End of Workshop