Remove inapplicable HealDA v2 attribution file

README.md

@@ -33,8 +33,6 @@ This model is for research and development only.
 OpenMDW License Agreement, version
 1.1](https://github.com/OpenMDW/OpenMDW/blob/main/1.1/LICENSE.OpenMDW-1.1).
 See the [LICENSE.OpenMDW-1.1.md](LICENSE.OpenMDW-1.1.md) file distributed with the model for the governing terms.
-Third-party data-derived assets distributed with the model are subject to the
-notices in [ATTRIBUTION.md](model_card/ATTRIBUTION.md).
 
 ### Deployment Geography
 
@@ -222,8 +220,12 @@ grid. Domain masks prevent fields such as sea-surface temperature, sea-ice
 concentration, and soil moisture from being scored outside their valid physical
 domains. <br>
 
-**Attribution:** See [ATTRIBUTION.md](model_card/ATTRIBUTION.md) for any ERA5-derived files redistributed
-with the model package.
+**License:** [Creative Commons Attribution 4.0 International (CC BY
+4.0)](https://creativecommons.org/licenses/by/4.0/). <br>
+
+**Attribution:** Modified from ECMWF Reanalysis data (ERA5), © European Centre
+for Medium-Range Weather Forecasts (ECMWF), distributed through the NSF NCAR
+ERA5 mirror. <br>
 
 **Source:** [NOAA–NASA Joint Archive (NNJA) of Observations for Earth System
 Reanalysis](https://www.psl.noaa.gov/data/nnja_obs/), distributed through the
@@ -233,9 +235,12 @@ public `s3://noaa-reanalyses-pds/observations/reanalysis/` archive. <br>
 4.0)](https://creativecommons.org/licenses/by/4.0/). <br>
 
 **Attribution:** NOAA NASA Joint Archive (NNJA),
-https://www.psl.noaa.gov/data/nnja_obs/. See [ATTRIBUTION.md](model_card/ATTRIBUTION.md) for packaged
-NNJA-derived preprocessing assets and the additional acknowledgement applicable
-to the `amv/merged` stream. <br>
+https://www.psl.noaa.gov/data/nnja_obs/. <br>
+
+**Additional acknowledgement for NNJA `amv/merged`:** EUMETSAT (2021),
+*Atmospheric Motion Vectors Climate Data Record Release 2 — MFG and MSG — 0
+degree*, European Organisation for the Exploitation of Meteorological
+Satellites, [doi:10.15770/EUM_SEC_CLM_0020](https://doi.org/10.15770/EUM_SEC_CLM_0020). <br>
 
 **Data Collection Method by dataset:**
 

model_card/ATTRIBUTION.md

@@ -1,68 +0,0 @@
-# Attribution Notices
-
-This file records notices for data-derived files redistributed with the HealDA
-v2 model package. It does not change the OpenMDW-1.1 terms that govern the model
-weights and NVIDIA-authored files.
-
-## ERA5-derived static conditioning data
-
-**Applies to:** Packaged static-conditioning assets containing the eight
-ERA5-derived channels `orog`, `lsm`, `sdor`, `slor`, `isor`, `sdfor`,
-`anor_sin`, and `anor_cos`.
-
-**Source:** ERA5 invariant datasets produced by the European Centre for
-Medium-Range Weather Forecasts (ECMWF) and distributed through the public NSF
-NCAR ERA5 mirror at
-`s3://nsf-ncar-era5/e5.oper.invariant/197901/`:
-
-| Model channel | ERA5 parameter | Upstream invariant file |
-| --- | --- | --- |
-| `orog` | 129 (`z`, geopotential) | `e5.oper.invariant.128_129_z.ll025sc.1979010100_1979010100.nc` |
-| `lsm` | 172 (`lsm`) | `e5.oper.invariant.128_172_lsm.ll025sc.1979010100_1979010100.nc` |
-| `sdfor` | 074 (`sdfor`) | `e5.oper.invariant.128_074_sdfor.ll025sc.1979010100_1979010100.nc` |
-| `sdor` | 160 (`sdor`) | `e5.oper.invariant.128_160_sdor.ll025sc.1979010100_1979010100.nc` |
-| `isor` | 161 (`isor`) | `e5.oper.invariant.128_161_isor.ll025sc.1979010100_1979010100.nc` |
-| `anor_sin`, `anor_cos` | 162 (`anor`) | `e5.oper.invariant.128_162_anor.ll025sc.1979010100_1979010100.nc` |
-| `slor` | 163 (`slor`) | `e5.oper.invariant.128_163_slor.ll025sc.1979010100_1979010100.nc` |
-
-All source files are the January 1, 1979 invariant snapshot on the 0.25° regular
-latitude–longitude grid.
-
-**License:** [Creative Commons Attribution 4.0 International
-(CC BY 4.0)](https://creativecommons.org/licenses/by/4.0/).
-
-**Changes made:** Orography is converted from geopotential to metres. The source
-fields are normalized for model input; `anor` is encoded as sine and cosine.
-The model uses the fields on the native 0.25° regular latitude–longitude grid
-and in a regridded HEALPix representation.
-
-**Attribution:** Modified from ECMWF Reanalysis data (ERA5), © European Centre
-for Medium-Range Weather Forecasts (ECMWF), distributed through the NSF NCAR
-ERA5 mirror. Licensed under CC BY 4.0.
-
-ECMWF and the European Commission are not responsible for any use that may be
-made of the Copernicus information or data contained in the redistributed asset.
-
-## NNJA-derived observation preprocessing assets
-
-**Applies to:** Packaged observation-channel metadata and normalization
-statistics derived from source-level NNJA observations.
-
-**Source:** [NOAA–NASA Joint Archive (NNJA) of Observations for Earth System
-Reanalysis](https://www.psl.noaa.gov/data/nnja_obs/), distributed through the
-public `s3://noaa-reanalyses-pds/observations/reanalysis/` archive.
-
-**License:** [Creative Commons Attribution 4.0 International
-(CC BY 4.0)](https://creativecommons.org/licenses/by/4.0/).
-
-**Changes made:** Source observations are decoded, quality controlled,
-spatially thinned, organized into model channels, and summarized to produce the
-packaged preprocessing metadata and normalization statistics.
-
-**Attribution:** NOAA NASA Joint Archive (NNJA),
-https://www.psl.noaa.gov/data/nnja_obs/.
-
-**Additional acknowledgement for NNJA `amv/merged`:** EUMETSAT (2021),
-*Atmospheric Motion Vectors Climate Data Record Release 2 — MFG and MSG — 0
-degree*, European Organisation for the Exploitation of Meteorological
-Satellites, [doi:10.15770/EUM_SEC_CLM_0020](https://doi.org/10.15770/EUM_SEC_CLM_0020).