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# Data Request content provenance

## Tables
| Table | Original source | Has data changed from the source for DReq v1.2.2? | Source for v1.2.2 content | Planned source for v1.2.3 content |
|-------|-----------------|--------------------------------------------------|---------------------------|-----------------------------------|
| Opportunity | CMIP7-DReq public consultation | No | Dreq-CMIP7 v1.2.2 | Dreq-CMIP7 v1.2.3 |
| Variable Group | CMIP7-DReq public consultation | No | Dreq-CMIP7 v1.2.2 | Dreq-CMIP7 v1.2.3 |
| Variables | CMIP6-DReq v.1.0.33, CMOR Variables | Yes, variable metadata updated and new variables added | Dreq-CMIP7 v1.2.2 | Some metadata (as outlined in other rows of this table) will come from the Variable Registry. The source of other metadata will be the Dreq-CMIP7 v1.2.3 |
| Experiment Group | CMIP7-DReq public consultation | No | Dreq-CMIP7 v1.2.2 | Dreq-CMIP7 v1.2.3 |
| Physical Parameters | CMIP6-DReq v.1.0.33, MIP variables | Yes, variable metadata updated and new variables added | Dreq-CMIP7 v1.2.2 | Some metadata (namely root names, units, and CF names) will come from the Variable Registry. The source of other metadata will be the Dreq-CMIP7 v1.2.3 |
| Experiments | CMIP IPO list of CMIP7 Assessment Fast Track experiments, as agreed by CMIP Panel | Yes, additional experiments added and AFT list altered | Dreq-CMIP7 v1.2.2 | CMIP7 CVs, experiments |
| MIPs | CMIP IPO Registered MIP database | No | Dreq-CMIP7 v1.2.2 | CMIP7 CVs, activity |
| Data Request Themes | Data Request Task Team meeting decision | No | Dreq-CMIP7 v1.2.2 | Dreq-CMIP7 v1.2.3 |
| Priority Level | Data Request Task Team | Yes, definitions updated and ‘Core’ Priority added during CMIP7-DReq public consultation | Dreq-CMIP7 v1.2.2 | Dreq-CMIP7 v1.2.3 |
| Docs for Opportunities | CMIP7-DReq public consultation | No | Dreq-CMIP7 v1.2.2 | Dreq-CMIP7 v1.2.3 |
| Time Subset | CMIP6-DReq v.1.0.33, Time slices | Yes, definitions updated to match CMIP7 experiment requirements during CMIP7-DReq public consultation | Dreq-CMIP7 v1.2.2 | Dreq-CMIP7 v1.2.3 |
| Glossary | CMIP7-DReq public consultation | No | Dreq-CMIP7 v1.2.2 | Dreq-CMIP7 v1.2.3 |
| Modelling Realm | CMIP6 CVs, v6.2.58 | No | CMIP6 CVs, v6.2.58 | CMIP7 CVs, realm |
| CMIP6 Frequency (legacy) | CMIP6 CVs, v6.2.58 | No | CMIP6 CVs, v6.2.58 | CMIP6 CVs, v6.2.58 |
| CMIP7 Frequency | During a WIP meeting, it was agreed to reduce the list of frequencies for CMIP7 | No | Dreq-CMIP7 v1.2.2 | CMIP7 CVs, frequency |
| CMIP6 Table Identifiers (legacy) | CMIP6 CVs, v6.2.58 | Yes, minor updates during the public consultation | Dreq-CMIP7 v1.2.2 | Dreq-CMIP7 v1.2.3 |
| Spatial Shape | CMIP6 CVs, v6.2.58 | Yes, minor updates and additions during the public consultation | Dreq-CMIP7 v1.2.2 | Dreq-CMIP7 v1.2.3 |
| Temporal Shape | CMIP6 CVs, v6.2.58 | Yes, minor updates and additions during the public consultation | Dreq-CMIP7 v1.2.2 | Dreq-CMIP7 v1.2.3 |
| Cell Methods | CMIP6 CVs, v6.2.58 | Yes, minor updates and additions during the public consultation | Dreq-CMIP7 v1.2.2 | Variable register |
| Cell Measures | CMIP6 CVs, v6.2.58 | Yes, minor updates and additions during the public consultation | Dreq-CMIP7 v1.2.2 | Variable register |
| Coordinates and Dimensions | CMIP6 CVs, v6.2.58 | Yes, minor updates and additions during the public consultation | Dreq-CMIP7 v1.2.2 | Variable register |
| Ranking | Baseline Climate Variables process | No | Baseline Climate Variables process | Baseline Climate Variables process |
| CF Standard Names | ? | Yes, new versions pulled in periodically | Dreq-CMIP7 v1.2.2, compatible with CF Standard Name Table v91 | Dreq-CMIP7 v1.2.3, compatible with CF Standard Name Table v91 |
| ESM-BCV 1.4 | Baseline Climate Variables process | No | Baseline Climate Variables process | Baseline Climate Variables process |

## Additional sources
| Item | Original source | Has data changed from the source for DReq v1.2.2? | Source for v1.2.2 content | Planned source for v1.2.3 content |
|------|----------------|---------------------------------------------------|---------------------------|-----------------------------------|
| CF area types | | | | |
| Region | ? | Yes, discussion with CVs TT on [GitHub](https://github.com/WCRP-CMIP/CMIP7-CVs/issues/194) | Dreq-CMIP7 v1.2.2 | CMIP7 CVs, region |
| Branded variable names | [Branded variable mapper code v0.9.0](https://github.com/znicholls/CMIP-branded-variable-mapper) with input data as defined in [this spreadsheet](https://docs.google.com/spreadsheets/d/1VBIcauiQPZEN1wdkOLpwBDCCh46QavWzQi7D2aDKK_8/edit), columns DK, DL, DN | No | [Branded variable mapper code v0.9.0](https://github.com/znicholls/CMIP-branded-variable-mapper) with input data as defined in [this spreadsheet](https://docs.google.com/spreadsheets/d/1VBIcauiQPZEN1wdkOLpwBDCCh46QavWzQi7D2aDKK_8/edit), columns DK, DL, DN | Variable registry |