IROWG-2 Workshop
28th March – 3rd April 2012
Estes Park, Colorado
| Tuesday 27 March 2012 | |||||
| Wednesday 28 March 2012 | |||||
| 03:00 | 07:00 | Registration | |||
| 08:00 | 08:30 | Registration | |||
| 08:30 | 09:00 | Welcome Conference Overview IROWG #1 Summary and Impact |
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| 09:00 | 09:30 | Outlook for future atmospheric sounding systems from space | Richard Anthes | Abstract | Presentation |
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Session 1 NWP
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| 09:30 | 09:50 | The use of two-dimensional observation operators when assimilating GPS radio occultation measurements | S. Healy | Abstract | Presentation |
| 09:50 | 10:10 | Assimilation of GPS RO observations at NCEP | L. Cucurull | Abstract | Presentation |
| 10:10 | 10:30 | Developments on the interpretation and assimilation of GPSRO data at Environment Canada | J. M. Aparicio | Abstract | Presentation |
| 10:30 | 10:50 | Break | |||
| 10:50 | 11:10 | Assimilation of GPS radio occultation measurements at the Met Office | C. Burrows | Abstract | Presentation |
| 11:10 | 11:30 | Assimilation of GPS RO observations at METEO-FRANCE | N. Saint-Ramond | Abstract | Presentation |
| 11:30 | 11:50 | Interaction of Bending Angle Assimilation from GNSS Sensors in the U.S. Navy’s Assimilation System | B. Ruston | Abstract | Presentation |
| 11:50 | 12:10 | Assimilation of GPS radio occultation data at DWD | H. Anlauf | Abstract | Presentation |
| 12:10 | 01:30 | Lunch | |||
| 01:30 | 01:50 | Assimilation of GPS RO data for the JMA global model | H. Owada | Abstract | Presentation |
| 01:50 | 02:10 | Radio Occultation at EUMETSAT | A. von Engeln | Abstract | Presentation |
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Session 2 Climate
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| 02:30 | 02:50 | Absolute Data in Climate Reanalysis | S. Leroy | Abstract | Presentation |
| 02:50 | 03:10 | Quantification of Structural Uncertainty in Climate Data Records from GPS Radio Occultation | A. K. Steiner | Abstract | Presentation |
| 03:10 | 03:30 | Break | |||
| 03:30 | 03:50 | Variability of the cold point tropical tropopause derived from GPS data | W.J. Randel | Abstract | Presentation |
| 03:50 | 04:10 | Summaries of GPS RO Inversion Procedures in the Upper Troposphere and Middle Stratosphere among Operational Centers and Structural Uncertainties in the Multiple Center Comparisons | S.-P. Ho | Abstract | Presentation |
| 04:10 | 04:30 | Three dimensional reconstruction of the atmospheric El Niño-Southern Oscillation signal | B. Scherllin-Pirscher | Abstract | Presentation |
| 04:30 | 04:50 | Improving GPS RO Stratospheric Retrieval for Climate Benchmarking | C. O. Ao | Abstract | Presentation |
| 04:50 | 05:10 | Generation of Refractivity Climatologies Without Statistical Optimization | H. Gleisner | Abstract | Presentation |
| 05:30 | 07:30 | Reception | |||
| Thursday 29 March 2012 | |||||
| 08:00 | 09:00 | Breakfast/Poster viewing | |||
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Session 3 RO Data Processing
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| 09:00 | 09:20 | Tropospheric GRAS Data and Retrieval | C. Marquardt | Abstract | Presentation |
| 09:20 | 09:40 | Implementation of ROSA radio occultation data handling into EUMETSAT and GRAS SAF processing | R. Notarpietro | Abstract | Presentation |
| 09:40 | 10:00 | Quality Assessment of GPS RO Bending Angle Data at the UCAR CDAAC | W. Schreiner | Abstract | Presentation |
| 10:00 | 10:20 | Numerical Ray Tracing of GPS Radio Occultation Paths | K. Zhang | Abstract | Presentation |
| 10:20 | 10:40 | Break | |||
| 10:40 | 11:00 | Adaptation of GPS radio-occultation observation operators to the presence of atmospheric horizontal gradients | K. Boniface | Abstract | Presentation |
| 11:00 | 11:20 | Ionospheric correction of RO signals by direct modelling of ionosphere | I.D. Culverwell | Abstract | Presentation |
| 11:20 | 11:40 | Comparison of Temperature Data above 20km between COSMIC and TIMED/SABER | X. Hu | Abstract | Cancelled |
| 11:40 | 12:00 | Observation and analysis of deep radio occultations signals in COSMIC | S. Sokolovskiy | Abstract | Presentation |
| 12:00 | 01:30 | Lunch | |||
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Session 4 Mission / Payload Technology
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| 01:30 | 01:50 | RO instrument design considerations for the new GNSS signals | M. Bonnedal | Abstract | Presentation |
| 01:50 | 02:10 | FORMOSAT-7/COSMIC-2 GNSS Radio Occultation Mission: From Research to Operations | C.-J. Fong | Abstract | Presentation |
| 02:10 | 02:30 | Development Status of NASA’s TriG GNSS Science Instrument | T. K. Meehan | Abstract | Presentation |
| 02:30 | 02:50 | Developments for the next generation of Radio Occultation instruments in Europe | J. Rosello | Abstract | Presentation |
| 02:50 | 03:10 | CICERO: Community Initiative for Continuing Earth Radio Occultation | T. Yunck | Abstract | Presentation |
| 03:10 | 03:30 | Break | |||
| 03:30 | 03:50 | GPS L2C Tracking of Radio Occultation Signals with the COSMIC Receiver | W. Schreiner | Abstract | Presentation |
| 03:50 | 04:10 | Antennas for the Next Radio Occultation Mission | D. Turbiner | Abstract | Presentation |
| 04:10 | 06:00 | Working Group Formation / Working Groups | |||
| 06:00 | 07:30 | Dinner on your own | |||
| 07:30 | 08:30 | Poster viewing | |||
| Friday 30 March 2012 | |||||
| 08:00 | 09:00 | Breakfast/Poster viewing | |||
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Session 5 Innovative RO Techniques
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| 09:00 | 09:20 | Progress with LEO-LEO Microwave and Infrared-laser Occultation: Performance Results and Canary Islands Greenhouse Gases Experiment | G. Kirchengast | Abstract | Presentation |
| 09:20 | 09:40 | Status Report on the Active Temperature, Ozone and Moisture Microwave Spectrometer (ATOMMS) | E. R. Kursinski | Abstract | Presentation |
| 09:40 | 10:00 | The ‘Radio Occultation and Heavy Precipitation’ experiment aboard the PAZ satellite: status and ground campaign | E. Cardellach | Abstract | Presentation |
| 10:00 | 10:20 | Retrieval of GNSS Ocean Reflected Signals | P. Høeg | Abstract | Presentation |
| 10:20 | 10:40 | Outstanding Issues Concerning GPS RO Measurements in the Lower Troposphere | C. O. Ao | Abstract | Presentation |
| 10:40 | 11:00 | Break | |||
| 11:00 | 11:20 | Analysis of RO data retrieved from the Wigner distribution function | K. B. Lauritsen | Abstract | Presentation |
| 11:20 | 11:40 | Occultation using Spherical Spline Approximation | C. Blick | Abstract | Presentation |
| 12:00 | 01:30 | Lunch | |||
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Session 6 Ionosphere
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| 01:30 | 01:50 | Global S4 Index of the Ionosphere Probed by FORMOSAT-3 / COSMIC | Tiger J.Y. Liu | Abstract | Presentation |
| 01:50 | 02:10 | Ionospheric Signatures in Radio Occultation Data | A. J. Mannucci | Abstract | Presentation |
| 02:10 | 02:30 | Global 3-D ionospheric electron density reanalysis based on multi missions and ground based GNSS observations assimilation in UCAR/CDAAC | X. Yue | Abstract | Presentation |
| 02:30 | 02:40 | Retrieval of TEC data using GPS receiver and study of its behavior during different ionospheric conditions at a low latitude station Agra | V. Chauhan | Abstract | Cancelled |
| 02:40 | 03:00 | Electron density profiles of FORMOSAT-3/COSMIC at E-Layer | C.-Y. Huang | Abstract | Presentation |
| 03:00 | 03:20 | Radio Occultation Observations of Ionospheric Scintillation | P. Straus | Abstract | Presentation |
| 03:20 | 03:40 | Break | |||
| 03:40 | 04:00 | The Importance of Radio Occultation Measurements for Ionosphere modeling | M. Codrescu | Abstract | Presentation |
| 04:00 | 04:20 | Equatorial Scintillation Initiated From Low Altitude Forcing via Hurricanes/Typhoons | R. Bishop | Abstract | Presentation |
| 04:20 | 04:40 | Use of Radio Occultation Data in Ionospheric Assimilation Algorithm IDA4D | G. Crowley | Abstract | Presentation |
| 04:40 | 05:00 | Assessment of Radio Occultation Observations to Improve Space Weather Nowcasts Using the JPL/USC Global Assimilative Ionosphere Model | A. J. Mannucci | Abstract | Presentation |
| 06:00 | 08:00 | Hosted Dinner | |||
| Saturday 31 March 2012 | |||||
| 09:00 | 12:00 | Working Groups | |||
| 01:30 | Activities / Tours | ||||
| 07:30 | 09:00 | Working Groups – as arranged by chairs | |||
| Sunday 1 April 2012 | |||||
| Activities / Tours | |||||
| RO-Trends Splinter Meeting | |||||
| 10:00 | 12:00 | 1) Discussion on GNSS RO Retrieval Algorithms in the Lower Troposphere | |||
| 3:00 | 5:00 | 2) Discussion on GNSS RO Retrieval Algorithms at High Altitudes | |||
| Monday 2 April 2012 | |||||
| 08:00 | 09:00 | Breakfast/Poster Viewing | |||
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Session 7 NWP
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| 09:00 | 09:20 | Upper tropospheric and lower stratospheric variability observed with GPS radio occultation data since 2001: Results from CHAMP, GRACE, TerraSAR-X, and FORMOSAT-3/COSMIC | T. Schmidt | Abstract | Presentation |
| 09:20 | 09:40 | TerraSAR-X Radio Occultation processing at the GFZ:center-to-center comparison and validation | F. Zus | Abstract | Presentation |
| 09:40 | 10:00 | Estimating the Optimal Number of GNSS Radio Occultation Measurements for Numerical Weather Prediction | F. Harnisch | Abstract | Presentation |
| 10:00 | 10:20 | The Use of GPS Radio Occultation Data for Tropical Cyclones prediction | Y.-H. Kuo | Abstract | Presentation |
| 10:20 | 10:40 | Assessing the impact of RO refractivity on the analysis and prediction of Typhoon Morakot (2009) with a new data assimilation strategy | X. Fang | Abstract | Presentation |
| 10:40 | 11:00 | Break | |||
| 11:00 | 11:20 | Intraseasonal Temperature Variability in the Upper Troposphere and Lower Stratosphere from the GPS RO and AIRS Measurements | B. Tian | Abstract | Presentation |
| 11:20 | 11:40 | Inter-instrument comparisons of troposphericwater vapor over land and oceans | P. Vergados | Abstract | Presentation |
| 11:40 | 12:00 | Assimilation experiments with ground-based GPS observations in the Canadian Regional Deterministic Prediction System | S. Macpherson | Abstract | Presentation |
| 12:00 | 01:30 | Lunch | |||
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Session 8 Climate
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| 01:30 | 01:50 | Evaluation of Climate Models Using Radio Occultation Observations – Tropical Convection Regimes in the HadGEM Model | A. K. Steiner | Abstract | Presentation |
| 01:50 | 02:10 | Intraseasonal variability of the tropical tropopause derived from COSMIC RO data | Z. Zeng | Abstract | Presentation |
| 02:10 | 02:30 | GNSS RO Sampling for Climate Purposes | S. Leroy | Abstract | Presentation |
| 02:30 | 02:50 | Assessment of the structural uncertainty of MetOp-A/GRAS products | S. Syndergaard | Abstract | Presentation |
| 02:50 | 03:05 | Break | |||
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Session 9 RO Data Processing
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| 03:05 | 03:25 | Evaluating the Marine Atmospheric Boundary Layer in Reanalyses over Subtropical Eastern Oceans with in-situ radiosondes, COSMIC Radio Occultation and CALIPSO Lidar Measurements | F. Xie | Abstract | Presentation |
| 03:25 | 03:45 | Some aspects of inversions of radio occultation signals | S. Sokolovskiy | Abstract | Presentation |
| 03:45 | 04:05 | Impact of Satellite Orbit and Clock Quality on GPS Radio Occultation Data Processing | Y. Yoon | Abstract | Presentation |
| 04:05 | 04:25 | Ground Support Network for the GRAS Mission – Status and Evolution | R. Zandbergen | Abstract | Presentation |
| 04:25 | 04:40 | Break | |||
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Session 10 Innovative RO Technique
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| 04:40 | 05:00 | Determination of atmospheric wave parameters from individual radio occultation retrievals of vertical temperature profiles | V. N. Gubenko | Abstract | Cancelled |
| 05:00 | 05:20 | Profiling the Atmosphere with the Airborne Radio Occultation Technique Using GPS Signals Recorded in Open-Loop Mode | P. Muradyan | Abstract | Presentation |
| 05:20 | 05:40 | Application of the eikonal acceleration/intensity technique to study radio-meteorological characteristics of the atmosphere by use of GPS occultation data | A. Pavelyev | Abstract | Cancelled |
| 05:40 | 06:00 | Ground-Based GPS Occultation Utilizing Modernized Signals | E. Griggs | Abstract | Presentation |
| 06:00 | Dinner on your own | ||||
| Tuesday 3 April 2012 | |||||
| 08:00 | 09:00 | Breakfast/Poster Viewing | |||
| 09:00 | 10:15 | Working Group Reports | |||
| 10:15 | 10:25 | Break | |||
| 10:25 | 12:00 | Working Group Reports | |||
| 12:00 | 12:30 | Future meetings discussion | |||
| Poster Presentations | |||
| Ionosphere | Seismo-Traveling Ionospheric Disturbances Triggered by the 2011 Tohoku Earthquake Observed by FORMOSAT-3/COSMIC | C. Y. Chen | Abstract |
| Ionosphere | Method of Assessing RO Retrieval Bias in the Ionospheric Model | M. Q. Chen | Abstract |
| NWP | Impact of COSMIC data on a synoptic-scale cyclone over the west Antarctica | S.-Y. Chen | Abstract |
| NWP | Lower tropospheric fields derived from COSMIC radio occultation data | R. Hierro | Abstract |
| Data Proc. | Limits of the applicability of the geometrical optics in the radio occultation techniques derived from the numerical simulations of the parabolic diffraction equation | Y.A. Ilyushin | Abstract |
| Data Proc. | Processing of COSMIC and GRAS data from level 1a (phases, amplitudes, orbits) to level 1b (bending angles) and level 2a (refractivity) using the Radio Occultation Processing Package (ROPP) | K. Kinch | Abstract |
| NWP | 4D-dynamical high altitude initialization of GPS radio occultation bending angles | Y. Li | Abstract |
| NWP | Improvement metrics for meteorological state vectors retrieved from GPS RO profiles through 1dvar | J. K. Nielsen | Abstract |
| Innovative | Bistatic remote sensing of the atmosphere and Earth’s surface using GNSS radio occultation signals | A.G. Pavelyev | Abstract |
| Ionosphere | Monitoring of Sporadic Plasma Layers in the Lower Ionosphere During Period 2001-2008 by use of GPS Occultation Data | A. Pavelyev | Abstract |
| Ionosphere | Radio Occultation criterion as applied to location of inclined layers | A. G. Pavelyev | Abstract |
| Ionosphere | The tropospheric/stratospheric temperature and the ionospheric electron density observed during volcanic eruptions | L. K. Pei | Abstract |
| Ionosphere | Radio occultation methods for monitoring atmosphere and ionosphere of the earth | V. H. Rios | Abstract |
| Innovative | Atmospheric ray-tracing using numerical weather models for space geodetic positioning: Current activities at the University of New Brunswick, Canada | M. C. Santos | Abstract |
| Climate | Validation of Satellite Data with Climate Monitoring Potential by Radio Occultation Reference Datasets | M. Schwaerz | Abstract |
| Ionosphere | Using Supplemental GPS VTEC Data to Reduce RO Retrieval Bias in the Ionospheric Profile | S.-Y. Su | Abstract |
| Ionosphere | Global Distribution of Ionosphere and Plasmasphere Observed by the FORMOSAT-3/COSMIC Satellites | H.-F. Tsai | Abstract |
| Innovative | Airborne GNSS radio occultation retrievals using a radio-holographic method | F. Xie | Abstract |
| Ionosphere | Radio occultation electron density retrieval aided by ground-based GNSS observations and a global ionospheric data assimilation model | X. Yue | Abstract |
| Climate | Inversions of averaged GPS RO bending angles for climate applications | Z. Zeng | Abstract |
Conference Committee:
D.R. Ector (NOAA, USA)/IROWG, David.R.Ector@noaa.gov
A. von Engeln (EUMETSAT, DE)/IROWG, Axel.VonEngeln@eumetsat.int