Greg Bodeker attended a combined GRUAN-GSICS-GNSSRO workshop in Geneva from 6 to 8 May 2014. The workshop explored how the benefits of integrated high-quality observations of upper-air atmospheric variability and change, following WMO Integrated Global Observing System objectives, could be fully realized. The synergy of ground-based upper-air sounding in GRUAN, satellite-based hyperspectral sounding, and satellite-based GNSSRO refractive index measurements were discussed. Observation requirements and data needs of selected user communities were also considered. First the acronyms: GRUAN = GCOS Reference Upper Air Network GCOS = Global Climate Observing System WMO = World Meteorological Organisation GSICS = Global Space-based Inter-Calibration System GNSSRO = Global Navigation Satellite System Radio Occultation The workshop was dedicated to discussing GRUAN, GSICS, GNSSRO, and their interaction, interoperability and data utilization, and what contribution these systems can make to meet the requirements of users in numerical weather prediction and climate, in the context of the wider global observing system. The main goals were to:
The meeting greatly benefited from all attendees submitting personal position statements in advance of the meeting that addressed the following questions: What do you expect from this workshop, and in which area can you contribute to this end? What is your view on the following issues:
What are your key recommendations regarding the workshop objectives:
A wide range of specific actions and recommendations were developed during the course the workshop which will be summarized in a meeting report that will be published in due course. |
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