Use Case #6 Workflow

This sections describes an exemplary workflow performed to accomplish the climate problem given by Use Case #6 uc_06. Version 1: Niño3.4 Index

  1. The user selects CCI ECV data products from a checklist (geophysical quantities: sea surface temperature, surface soil moisture volumetric absolutes).

  2. The user selects the Operation Co-Registration from the Operation Category Geometric Adjustments.

  3. The user selects the particular options (Co-Registration method: spline, propagation of uncertainties analysis).

  4. The user executes the Operation.

  5. The Toolbox performs a co-registration of one dataset onto the coordinate system of the other.

  6. The user selects the Operation Temporal Subsetting from the Operation Category Subsetting and Selections.

  7. The user selects start and end years of a time period.

  8. The user executes the Operation.

  9. The Toolbox creates a temporal subset of the data.

  10. The user selects the Operation Index Calculation (Operation Category Calculations) or a user-supplied plugin/API.

  11. The user selects the requested ENSO index from a list of pre-defined indices regarding the region selected.

  12. The user executes the Operation.

  13. The Toolbox/plug-in generates an index time series.

  14. The user selects the Operation Arithmetics (Operation Category Calculations).

  15. The user enters the calculation specification (log transformation of SM data).

  16. The user executes the Operation.

  17. The Toolbox generates a new dataset.

  18. The user selects the Operation Long-term Average (Operation Category Univariate Descriptive Statistics, Operation Subcategory Comparison).

  19. The user selects options (preserve saisonality, reference period)

  20. The user executes the Operation.

  21. The Toolbox generates a new dataset comprising a one-year time series of the long-term average of the data.

  22. The user selects the Operation Anomalies (Operation Category Univariate Descriptive Statistics, Operation Subcategory Comparison).

  23. The user enters the calculation specification (absolute anomaly of log transformed SM data with respect to mean of reference period).

  24. The user executes the Operation.

  25. The Toolbox generates a new dataset.

  26. The user selects the Operation Product-Moment Correlation (Pearson) (Operation Category Data Intercomparison, Operation Subcategory Correlation Analysis).

  27. The user selects options (map, table, 30 days lag time).

  28. The user executes the Operation.

  29. The Toolbox generates a map showing the correlation between the ENSO index and soil moisture as well as a table comprising the location-specific correlation coefficients including correlation flags.

  30. The user selects the Operation Spatial Subsetting from the Operation Category Subsetting and Selections.

  31. The user selects options (selecting of a point location in SE Asia).

  32. The user executes the Operation.

  33. The Toolbox creates a spatial subset containing the point data.

  34. The user selects the Operation Product-Moment Correlation (Pearson) (Operation Category Data Intercomparison, Operation Subcategory Correlation Analysis).

  35. The user selects options (time series plot, 30 days lag time).

  36. The user executes the Operation.

  37. The Toolbox generates a time series plot and correlation statistics.

  38. The user saves images and underlying data on a local disk.

Version 2: Multivariate ENSO Index

  1. The user selects CCI (geophysical quantities: sea surface temperature, cloud cover) and non-CCI (geophysical quantities: sea level pressure, zonal surface wind components, meridional surface wind components, surface air temperature) ECV data products from a checklist.

  2. The user selects the Operation Co-Registration from the Operation Category Geometric Adjustments.

  3. The user selects the particular options (Co-Registration method: spline, propagation of uncertainties analysis).

  4. The user executes the Operation.

  5. The Toolbox performs a co-registration of one dataset onto the coordinate system of the other.

  6. The user selects the Operation Spatial Subsetting from the Operation Category Subsetting and Selections.

  7. The user selects options (drawing of a polygon).

  8. The user executes the Operation.

  9. The Toolbox creates a spatial subset containing data of the selected region.

  10. The user selects the Operation Temporal Subsetting from the Operation Category Subsetting and Selections.

  11. The user selects start and end years of a time period.

  12. The user executes the Operation.

  13. The Toolbox creates a temporal subset of the data.

  14. The user selects the Operation Seasonal Values (Operation Category Calculations).

  15. The user selects options (bi-monthly seasons, sliding).

  16. The user executes the Operation.

  17. The Toolbox creates 12 new time series per geophysical quantitity comprising bi-monthly values.

  18. The user selects the Operation EOF Analysis from the Operation Category Complex Computations.

  19. The user selects options (combined EOF analysis, correlation matrix, …; apply to multiple data products).

  20. The user executes the Operation.

  21. The Toolbox performs a combined EOF analysis for each of the 12 bi-monthly seasons.

  22. The user selects the Operation Arithmetics (Operation Category Calculations).

  23. The user enters calculating specifications for combining the 12 separate time series (JF, FM, MA, …) of the first principal component to one consecutive dataset.

  24. The user executes the Operation.

  25. The Toolbox calculates a new time series.

  26. The user selects the Operation Arithmetics (Operation Category Calculations).

  27. The user enters the calculation specification (log transformation of SM data).

  28. The user executes the Operation.

  29. The Toolbox generates a new dataset.

  30. The user selects the Operation Long-term Average (Operation Category Univariate Descriptive Statistics, Operation Subcategory Comparison).

  31. The user selects options (preserve saisonality, reference period)

  32. The user executes the Operation.

  33. The Toolbox generates a new dataset comprising a one-year time series of the long-term average of the data.

  34. The user selects the Operation Anomalies (Operation Category Univariate Descriptive Statistics, Operation Subcategory Comparison).

  35. The user enters the calculation specification (absolute anomaly of log transformed SM data with respect to mean of reference period).

  36. The user executes the Operation.

  37. The Toolbox generates a new dataset.

  38. The user selects the Operation Product-Moment Correlation (Pearson) (Operation Category Data Intercomparison, Operation Subcategory Correlation Analysis).

  39. The user selects options (map, table, 30 days lag time).

  40. The user executes the Operation.

  41. The Toolbox generates a map showing the correlation between the ENSO index and soil moisture as well as a table comprising the location-specific correlation coefficients including correlation flags.

  42. The user selects the Operation Spatial Subsetting from the Operation Category Subsetting and Selections.

  43. The user selects options (selecting of a point location in SE Asia).

  44. The user executes the Operation.

  45. The Toolbox creates a spatial subset containing the point data.

  46. The user selects the Operation Product-Moment Correlation (Pearson) (Operation Category Data Intercomparison, Operation Subcategory Correlation Analysis).

  47. The user selects options (time series plot, 30 days lag time).

  48. The user executes the Operation.

  49. The Toolbox generates a time series plot and correlation statistics.

  50. The user saves images and underlying data on a local disk. In doing this, the user selects TIFF and CSV as file formats.

Additional features:

  1. The user selects CCI ECV data products from a checklist (geophysical quantities e.g. burned area, cloud cover, phytoplankton chlorophyll-A concentration, sea ice concentration).

  2. The user selects the Operation Co-Registration from the Operation Category Geometric Adjustments.

  3. The user selects the particular options (Co-Registration method: spline, propagation of uncertainties analysis, apply to multiple data products).

  4. The user executes the Operation.

  5. The Toolbox performs a co-registration of one dataset onto the coordinate system of the other.

  6. The user selects the Operation Spatial Subsetting from the Operation Category Subsetting and Selections.

  7. The user selects options (drawing of a polygon).

  8. The user executes the Operation.

  9. The Toolbox creates a spatial subset containing data of the selected region.

  10. The user selects the Operation Temporal Subsetting from the Operation Category Subsetting and Selections.

  11. The user selects start and end years of a time period.

  12. The user executes the Operation.

  13. The Toolbox creates a temporal subset of the data.

  14. The user selects the Operation Arithmetic Mean (Operation Category Univariate Descriptive Statistics, Operation Subcategory Location Parameters).

  15. The user selects options (temporal mean, propagation of uncertainties, apply to multiple data products).

  16. The user executes the Operation.

  17. The Toolbox calculates the temporal mean for every grid cell in the selected area.

  18. The user selects the Operation Long-term Average (Operation Category Univariate Descriptive Statistics, Operation Subcategory Comparison).

  19. The user selects options (preserve saisonality, reference period)

  20. The user executes the Operation.

  21. The Toolbox generates a new dataset comprising a one-year time series of the long-term average of the data.

  22. The user selects the Operation Map from the Operation Category Visualisation.

  23. The user selects options (multiple data products).

  24. The user executes the Operation.

  25. The Toolbox displays side-by-side maps showing mean values of the used geophysical quantities.

  26. The user selects the Operation Anomalies (Operation Category Univariate Descriptive Statistics, Operation Subcategory Comparison).

  27. The user selects options (reference period, apply to multiple data products).

  28. The user executes the Operation.

  29. The Toolbox calculates anomalies for every grid cell in the selected area.

  30. The user selects the Operation Animated Map from the Operation Category Visualisation.

  31. The user selects options (multiple data products).

  32. The user executes the Operation.

  33. The Toolbox displays maps showing animations of evolving anomalies of the used geophysical quantities side-by-side.

  34. The user selects the Operation Spatial Subsetting from the Operation Category Subsetting and Selections.

  35. The user selects options (drawing of a polygon).

  36. The user executes the Operation.

  37. The Toolbox creates a spatial subset containing data of the selected region.

  38. The user selects the Operation Arithmetic Mean (Operation Category Univariate Descriptive Statistics, Operation Subcategory Location Parameters).

  39. The user selects options (spatial mean, propagation of uncertainties, apply to multiple data products).

  40. The user executes the Operation.

  41. The Toolbox generates new time series consisting of regional mean values.

  42. The user selects the Operation Long-term Average (Operation Category Univariate Descriptive Statistics, Operation Subcategory Comparison).

  43. The user selects options (preserve saisonality, reference period)

  44. The user executes the Operation.

  45. The Toolbox generates a new dataset comprising a one-year time series of the long-term average of the data.

  46. The user selects the Operation Anomalies (Operation Category Univariate Descriptive Statistics, Operation Subcategory Comparison).

  47. The user selects options (reference period)

  48. The user executes the Operation.

  49. The Toolbox calculates anomalies.

  50. The user selects the Operation Product-Moment Correlation (Pearson) (Operation Category Data Intercomparison, Operation Subcategory Correlation Analysis).

  51. The user selects options (scatter plot, apply to multiple data products).

  52. The user executes the Operation.

  53. The Toolbox displays a scatter plots and correlation statistics on the screen.

  54. The user saves images and underlying data on a local disk.