The Radio Occultation Processing Package - Multimission

Abstract:
ROPP is a software package which is intended to help users process, quality-control and prepare RO data for assimilation into NWP systems. It contains modules for general utilities (coordinate conversions, range checking etc), I/O (to allow the code to read data from a variety of sources, and to write data in netCDF and BUFR formats), preprocessing (from excess phase data to bending angles and refractivities, and from refractivities to excess phases by means of wave optics propagators), forward modelling (from model states to bending angles and refractivities) and 1D variational retrievals (which calculate states that are optimally compatible with background fields and observations - refractivities, bending angles or the differences between two bending angles at different frequencies). An applications module includes some diagnostics (such as tropopause and boundary layer heights). A wave optics propagation tool allows users to calculate the excess phases that would be produced by an idealised refractivity field. Additional to the platforms specified, the software is also compatible with the future Metop-SG radio occultation data. The software is available free of charge to users who agree to sign a licence for its use.

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Metadata Information

General

General information section
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contactsee section contact (role: pointOfContact)
dateStamp2023-03-01
metadataStandardNameWMO Core Metadata Profile of ISO 19115 (WMO Core), 2003/Cor.1:2006 (ISO 19115), 2007 (ISO/TS 19139)
metadataStandardVersion1.3
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identificationInfo

Identification information section
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citation
  • title:
    • The Radio Occultation Processing Package - Multimission
  • dates:
    • creation: 2020-09-30
    • revision: 2022-01-26
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abstract see above
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Contact

Role: pointOfContact

Contact information section
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individualNameEUMETSAT SAF on Radio Occultation Meteorology
organisationNameROM SAF
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Role: distributor

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individualNameEUMETSAT SAF on Radio Occultation Meteorology
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dataQualityInfo

Data Quality information section
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