Tom Vo

### What happened? When `xarray` writes datasets to a file, it uses `cftime.date2num()` which has restrictions on which units and calendars are compatible. > units: a string of the form...

CDAT Migration: Refactor `aerosol_budget`

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## Description - Closes #673 ### Todo - [x] Refactor `aerosol_budget_driver.py` - [x] Refactor `aerosol_budget_plot.py` - [x] Add formulas to `formulas.py` - [x] Add derived variables to `derivations.py` - Hybrid...

### What happened? On `main`: https://github.com/E3SM-Project/e3sm_diags/blob/0b1a50bb2dd08a4a1a89a5356f9f2ca119e83feb/e3sm_diags/driver/default_diags/zonal_mean_xy_model_vs_obs.cfg#L1-L9 On `cdat-migration-fy24` (PR #752), `reference_name` was changed from `"GPCP v2.2"` to `"GPCP v3.2"`: https://github.com/E3SM-Project/e3sm_diags/blob/f6c4fdfeabb6765c330b93bee8d18063efb1f9a6/e3sm_diags/driver/default_diags/zonal_mean_xy_model_vs_obs.cfg#L1-L8 ### What did you expect to happen? Are there are...

### Describe your documentation update https://anaconda.org/conda-forge/e3sm_diags

Just noting that @forsyth2 previously worked on this set.

[Refactor]: CDAT Migration: `cdms2.open` slice flag adds additional time coordinate which affects downstream operation and diffs with Xarray code

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### Is your feature request related to a problem? In the CDAT version of the Dataset class, cdms2.open is being called with a slice flag (either "co"/"ccb"). This can cause...