ECMWF/GRAS-SAF Workshop on GPS Radio Occultation

A joint ECMWF-EUMETSAT/GRAS SAF workshop on the assimilation of GPS radio-occultation (GPS RO) measurements was organised at the Centre. The Workshop was held from 16 to 18 June 2008.

Description

The workshop considered the applications of GPS radio occultation measurements in operational numerical weather prediction and reanalysis/climate studies. GPS radio occultation measurements are an important new addition to the global observing network: they have good vertical resolution, an all weather capability and long term stability. Forecast impact studies at a number of operational numerical weather prediction centres have demonstrated that they provide useful temperature information. The measurements can be assimilated without bias correction and therefore have the potential to improve the bias correction of satellite radiance measurements. Recent studies have also shown that they provide useful information on the height of the planetary boundary layer. Furthermore, the long term stability of the GPS radio occultation measurements suggests that they will have important applications in climate signal detection and model testing.

The topics for the workshop will include: status of current and future missions, the latest developments in assimilation methods employed at the operational centres, the retrieval planetary boundary layer information and recent work on the reanalysis and climate applications.

Programme

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Presentations

General issues  

An introduction to GPS radio occultation and its use in NWP

John Eyre (Met Office)

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The work of the GRAS SAF

Kent Lauritsen (DMI)

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Status of Missions  

COSMIC status and prospects for COSMIC-2

Bill Kuo (UCAR COSMIC)

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GRAS status and future European GPS radio occultation missions

Axel Von Engeln (EUMETSAT)

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CHAMP, GRACE, SAC-C, TerraSAR-X/TANDEM-X: Science results, status and future prospects

Jens Wickert (GeoForschungsZentrum Potsdam)

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LEO-LEO occultation measurements: Concept and possible missions

E.R. Kursinski (University of Arizona)

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Assimilation of GPS Radio Occultation Measurements  

Assimilation of GPS radio occultation measurements at NCEP

Lidia Cucurull (JCSDA)

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Assimilation of GPS radio occultation measurements at Météo-France

Paul Poli (CNRM)

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Assimilation of GPS radio occultation measurements at the Met Office

Michael Rennie (Met Office)

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Assimilation of GPS radio occultation measurements at the Meteorological Service of Canada

Josep Aparicio (Meteorological Service Canada)

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Assimilation of GPS radio occultation measurements at ECMWF

Sean Healy (ECMWF)

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Impact of GPS radio occultation measurements on severe weather prediction in Asia

Ching-Yuang Huang (University of Taiwan)

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PBL and Altimetry Applications  

Planetary boundary layer information from GPS radio occultation measurements

Chi Ao (JPL)

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Applications of the reflected signals found in GNSS radio occultation events

Estel Cardellach (Campus UAB)

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Climate/Reanalysis Applications  

Testing Climate models with GPS radio occultation measurements

Stephen Leroy (Harvard University)

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Climate signal detection with GPS radio occultation measurements

Gottfried Kirchengast (University of Graz)

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Reanalysis applications of GPS radio occultation measurements

Dick Dee (ECMWF)

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Working groups

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Posters

The GRAS SAF Radio Occultation Processing Package

David Offiler

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GPS RO data assimilation in HIRLAM model

Elena Padorno

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Assimilation of Radio Occultation Data in the GME Global Atmospheric Model of the German Weather Service

Detlef Pingel

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Monitoring twenty-first century climate using GPS - Radio occultation bending angles

Mark Ringer

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Long-term application and evaluation of IAPP using global radiosonde and CHAMP measurements

Marc Schröder

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Proceedings

Planetary boundary layer information from GPS radio occultation measurements

C O Ao

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Applications of the reflected signals found in GNSS radio occultation events

E Cardellach

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Assimilation of GPS radio occultation measurements at the Meteorological Service of Canada

J M Aparicio

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Assimilation of GPS radio occultation measurements at NCEP

L Cucurull

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Reanalysis applications of GPS radio occultation measurements

D Dee

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An introduction to GPS radio occultation and its use in numerical weather prediction

J R Eyre

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Creating a consistent radio occultation data base for climate studies in the upper troposphere and lower stratosphere

U Foelsche

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Assimilation of GPS radio occultation measurements at ECMWF

S Healy

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Impact of GPS radio occultation measurements on severe weather prediction in Asia

C-Y Huang

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COSMIC status and prospects for COSMIC-2

Y-H Kuo

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The Active Temperature Ozone and Moisture Microwave Spectrometer (ATOMMS)

E R Kursinski

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GRAS SAF project and products

K B Lauritsen

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Testing climate models with GPS radio occultation measurements

S S Leroy

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Assimilation of GPS radio occultation measurements at Météo-France

P Poli

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The assimilation of GPS radio occultation measurements at the Met Office

M P Rennie

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GRAS status and future European GPS radio occultation missions

A Von Engeln

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CHAMP, GRACE, SAC-C, TerraSAR-X/TANDEM-X: Science results, status and future prospects

J Wickert

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Local information


You can also see an archive of past workshops

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