NetCDF velocimeters format: Difference between revisions

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This page provides an overview of the NetCDF format of benchmark dataset for instruments that measure velocities at a point in space e.g., [[Acoustic-Doppler Velocimeters|acoustic-Doppler velocimeters]] and [[Travel-time Velocimeters | travel-time velocimeters]] (MAVS). The NetCDF benchmark format was designed with the goal of facilitating algorithm testing and verification. Minimum requirements for archiving will be discussed at later date.
 
This page provides an overview of the NetCDF format of benchmark dataset for instruments that measure velocities at a point in space e.g., [[Acoustic-Doppler Velocimeters|acoustic-Doppler velocimeters]] and [[Travel-time Velocimeters | travel-time velocimeters]] (MAVS).
 
 
== Benchmark datasets: Velocity point-measurements ==


== Benchmark dataset format for velocity point-measurements ==
ATOMIX provides several benchmark datasets consisting of four processing levels.
ATOMIX provides several benchmark datasets consisting of four processing levels.
[[File:Benchmark adv netcdf.png|380px|thumb|Layout of NetCDF-4 benchmark dataset. The groupings are intended as checkpoints for algorithm testing.]]


[[Level 1 data (velocity point-measurements)|Level 1 - converted]]
# [[Level 1 data (velocity point-measurements)|Raw timeseries]]
: full resolution data in physical units
#* full resolution data in physical units including quality-control flags
 
# [[Level 2 data (velocity point-measurements)|Quality-controlled and segmented timeseries]]
[[Level 2 data (velocity point-measurements)|Level 2 - QAQC]]
#* [[Detrending time series|Detrended]] and subdivided further in individual [[Segmenting datasets|segments]].
: full resolution cleaned and despiked parameters from level 1, subdivided in individual [[Section|sections]].
# [[Level 3 data (velocity point-measurements)|Spectral observations]]
 
#* raw and cleaned (if applicable) spectra
[[Level 3 data (velocity point-measurements)|Level 3 - spectra]]
# [[Level 4 data (velocity point-measurements)|Dissipation <math>\varepsilon</math> estimates]]
: raw and cleaned spectra
#* dissipation estimates and corresponding quality parameter as time series
 
[[Level 4 data (velocity point-measurements)|Level 4 - turbulence estimates]]
: dissipation estimates and corresponding quality parameter as time series
 
For each benchmark data set, all four data levels are included in a single netcdf file along [[netcdf dimensions (shear probes)|standard dimensions]], and including the corresponding [[netcdf meta data (shear probes)|metadata]].
 


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Return to [[Velocity point-measurements]]


[[Category: Velocity point-measurements]]
[[Category: Velocity point-measurements]]
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return to [[Velocity point-measurements]]

Latest revision as of 15:12, 7 March 2022

This page provides an overview of the NetCDF format of benchmark dataset for instruments that measure velocities at a point in space e.g., acoustic-Doppler velocimeters and travel-time velocimeters (MAVS). The NetCDF benchmark format was designed with the goal of facilitating algorithm testing and verification. Minimum requirements for archiving will be discussed at later date.

Benchmark dataset format for velocity point-measurements

ATOMIX provides several benchmark datasets consisting of four processing levels.

Layout of NetCDF-4 benchmark dataset. The groupings are intended as checkpoints for algorithm testing.
  1. Raw timeseries
    • full resolution data in physical units including quality-control flags
  2. Quality-controlled and segmented timeseries
  3. Spectral observations
    • raw and cleaned (if applicable) spectra
  4. Dissipation [math]\displaystyle{ \varepsilon }[/math] estimates
    • dissipation estimates and corresponding quality parameter as time series

Return to Velocity point-measurements

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