| source-expansion-erddap-sst | NOAA ERDDAP | saltwater | candidate | pending | raw/erddap/sst/global-monthly-sst-subsets.nc |
| source-expansion-argo-profiles | Argo GDAC | saltwater | candidate | pending | raw/argo/profiles/index-and-regional-profiles.parquet |
| source-expansion-bio-oracle-layers | Bio-ORACLE | saltwater | candidate | pending | raw/bio-oracle/present/environmental-layers.zarr |
| source-expansion-nwis-water-temp | nwis | freshwater | candidate | pending | raw/nwis/iv/water-temperature-discharge.parquet |
| source-expansion-gbif-freshwater | GBIF - Global Biodiversity Information Facility | freshwater | candidate | pending | raw/gbif/aquatic-freshwater/occurrence-download.parquet |