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Collaborative GPS Observations for COPS: Enhancing Water Vapor Studies and Network Expansion

This document discusses the collaborative efforts of Germany, France, and Switzerland to enhance GPS observations for the Convective and Orographic Precipitation Study (COPS). Key scientific objectives include investigating water vapor evolution, studying precursors to convective initiation, and providing input for assimilation models. The deployment of additional permanent GPS stations in the Black Forest, as well as a temporary network in France, aims to improve network density and observation capabilities. Processing priorities, data products, and community input for GPS data are also outlined.

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Collaborative GPS Observations for COPS: Enhancing Water Vapor Studies and Network Expansion

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  1. GPS Network for COPS German – French – Swiss Collaboration

  2. GPS observations for COPS Scientific Objectives • Water vapor evolution: IWV fields, Tomography, Lge scale VS Sml scale studies • Investigations on precursors to convective initiation • Input to models for assimilation ? • Case study: validation of model water vapor fields, comparisons with other instruments

  3. GPS observations for COPS GPS existing networks • SAPOS/GFZ in Germany • AGNES in Switzerland • RGP—TERA—RENAG in France

  4. GPS network

  5. GPS observations for COPSNew stations deployment ? • GFZ: 5 additional permanent stations  black forest

  6. GPS network New GFZ stations ?

  7. GPS observations for COPSNew stations deployment ? • GFZ: 5 additional permanent stations  black forest • French temporary network up to 16 stations • Extend the 50 km network towards France and Rhine valley

  8. GPS network French temporary stations ? (large scale)

  9. GPS observations for COPSNew stations deployment ? • GFZ: 5 additional permanent stations  black forest • French temporary network up to 16 stations • Extend the 50 km network towards France and Rhine valley • Densify the network around COPS central area -- French supersite -- Rhine valley

  10. GPS network French temporary stations ? (small scale)

  11. GPS observations for COPSCOPS community input ? • Deployment priorities ? • GPS data processing • Processing centers: GFZ + ? • Products needed ? ZTD's, STD's, IWV's, Tomographic fields and profiles • Real time VS Post processing: for which stations and what products

  12. GPS observations for COPSCOPS community input:Comments and Suggestions ?

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