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Data preparation times

ScriptRun descriptionInput filesInput data sizeIntermediate filesIntermediate data sizeOutput filesOutput data sizeExecution time on Ulysses
process.plPPT_water_year

 {long}W{Iat}N.recon.tif

  • GeoTIFF format
  • Example: 113W35N.recon.tif

4810 MB

  • 156 files (13 x 12)
  • Each file1:
    • 30.8 MB (average)
    • 120 x 120 pixels
    • 1° x 1° coverage
    • 30" x 30" pixel size
    • 2000 bands (years)
    • 16 bit integer values
    • Compressed to ~56% expected size

 

{long}W_comb_{year}.tif

  • GeoTIFF format
  • Example:
    115W_comb_1999.tif

8580 MB

  • 26000 files (13 x 2000)
  • Each file2:
    • 308 KB
    • 120 x 1440 pixels
    • 1° x 12° coverage
    • 30" x 30" pixel size
    • 1 band
    • 16 bit integer values
    • Not compressed

merge_{year}.tif

  • GeoTIFF format
  • Example: merge_998.tif

8581 MB

  • 2000 files (1 per year)
  • Each file:
    • 4.3 MB
    • 1560 x 1440 pixels
    • 13° x 12° coverage
    • 30" x 30" pixel size
    • 1 band
    • 16 bit integer values
    • Not compressed

105 minutes

 

1The westmost blocks are 1 pixel (30") narrower, i.e. 119 x 120 pixels, 0°59'30" x 1° coverage.

2The westmost strips are 1 pixel (30") narrower, i.e. 119 x 1320 pixels, 0°59'30" x 1° coverage.

 

 

 

 

 

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