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definition of pressure level sets #28

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lars2015 opened this issue Nov 13, 2023 · 2 comments
Open

definition of pressure level sets #28

lars2015 opened this issue Nov 13, 2023 · 2 comments
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enhancement New feature or request

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@lars2015
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lars2015 commented Nov 13, 2023

Is your feature request related to a problem?

  • Check the definition of pressure levels sets in level_definitions() in libtrac.c.

Describe the solution you'd like

  • Add additional pressure levels between 1013.25 and 1044 hPa to achieve finer grid spacing. This might be critical for proper calculation of meteo variable that depend on the near-surface data (e.g. CAPE or PBL).
  • Compare selected level with previous definition used for CDO ml2pl operator to convert ECMWF data from model levels to pressure levels.

Reference

@lars2015 lars2015 added the enhancement New feature or request label Nov 13, 2023
@lars2015 lars2015 self-assigned this Nov 13, 2023
@lars2015
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lars2015 commented Dec 6, 2023

  • ERA5 pressure level set:
104445,103725,103006,102286,101567,100847,100128,99408.1,98688.6,97969,97249.5,96529.9,95810.4,95090.8,94314,93476.7,92575.7,91608.1,90571.2,89462.2,88279.1,87020,85683.8,84269.6,82777.6,81208.5,79564,77846.6,76060,74208.6,72297.9,70334.7,68326.2,66280.8,64207.6,62116.2,60016.7,57919.3,55834.3,53772,51742,49758.4,47831,45963.2,44153.9,42401.9,40705.8,39064.5,37476.7,35941.1,34456.6,33022,31636.1,30297.6,29005.5,27758.5,26555.6,25395.5,24277.2,23199.5,22161.5,21161.9,20199.7,19273.9,18383.4,17527.3,16704.5,15914,15154.9,14426.2,13727,13056.4,12413.4,11797.1,11206.8,10641.5,10100.5,9582.8,9087.74,8614.5,8161.82,7728.1,7311.87,6911.87,6526.95,6156.07,5798.34,5452.99,5119.9,4799.15,4490.82,4194.93,3911.49,3640.47,3381.74,3135.12,2900.39,2677.35,2465.77,2265.43,2076.1,1897.52,1729.45,1571.62,1423.77,1285.61,1156.85,1037.2,926.34,823.97,729.74,643.34,564.41,492.62,427.59,368.98,316.42,269.54,227.97,191.34,159.28,131.43,107.42,86.9,69.52,54.96,42.88,32.99,24.99,18.61,13.61,9.75,6.83,4.67,3.1,2,1
  • ERA-Interim pressure level set:
104613,102853,101094,99334.1,97574.4,95814.8,94055.1,92018.9,89711.2,87142,84326.3,81283,78034.6,74606.3,71026.3,67324,63530.6,59677.7,55797.3,51920.9,48079.1,44300.9,40613.3,37040.7,33604.4,30321.7,27205.9,24265.2,21502.5,18914.7,16508.9,14290.2,12261.4,10422.9,8772.74,7306.63,6018.02,4906.71,3960.29,3196.42,2579.89,2082.27,1680.64,1356.47,1094.83,883.66,713.22,575.65,464.62,373.97,298.5,234.78,180.58,134.48,95.64,63.65,38.43,20,10

@janhclem
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janhclem commented Feb 1, 2024

I now have added options with finer grid levels at lower levels as well as options as defined above.

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