WP4

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WP4 - Assessment of reference data in global assimilation systems and characterisation of key satellite datasets

This workpackage is concerned with the potential utility of data-assimilation systems used in Numerical Weather Prediction (NWP) and reanalyses to use reference-quality data to make geographically broader implications about satellite-observational performance. The workpackage shall:

  • Assess the performance of a number of new satellite systems using reference-quality data and data assimilation (Task 4.1).
  • Develop infrastructure for near-real-time acquisition of reference-quality data (Task 4.2).
  • Develop software systems to enable monitoring of reference-quality data streams using global data assimilation systems (Task 4.3).
  • Develop a more general approach to use of reference-quality data in data assimilation, including for oceanic and terrestrial Essential Climate Variables (ECVs) (Task 4.4).

 

Figure: Conceptual illustration of the potential route by which data assimilation can be used together with reference-quality measurements for assessments of satellite-data quality.

Paper Published

"Evaluation of Temperature and Humidity Profiles of Unified Model and ECMWF Analyses Using GRUAN Radiosonde Observations" Paper published at Atmosphere 

Paper Published

A review of sources of systematic errors and uncertainties in observations and simulations at 183 GHz” has been published in Atmospheric Measurement Techniques.

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