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ERA5 fix to allow pressure-levels data with one pressure level #276

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merged 2 commits into from
Nov 22, 2024
Merged

ERA5 fix to allow pressure-levels data with one pressure level #276

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7d1785e
fix to allow pressure-levels data with one pressure level
Nov 21, 2024
890f434
improve runtime behavior
Nov 22, 2024
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4 changes: 2 additions & 2 deletions pycontrails/datalib/ecmwf/era5.py
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Original file line number Diff line number Diff line change
Expand Up @@ -539,9 +539,9 @@ def _preprocess_era5_dataset(self, ds: xr.Dataset) -> xr.Dataset:
LOG.debug("Input dataset processed with pycontrails > 0.29")
return ds

# For "reanalysis-era5-single-levels" or if self.pressure_levels length == 1,
# For "reanalysis-era5-single-levels"
# then the netcdf file does not contain the dimension "level"
if len(self.pressure_levels) == 1:
if "single-levels" in self.dataset:
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ds = ds.expand_dims(level=self.pressure_levels)

# New CDS-Beta gives "valid_time" instead of "time"
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