Merge branch 'collection_metadata_improvements' into 'main'

catalog/LOCA_future/collection.json

catalog/LOCA_historical/collection.json

catalog/Red_River_MPI-ESM-LR_future/collection.json

catalog/Red_River_MPI-ESM-LR_historical/collection.json

catalog/Red_River_future/collection.json

catalog/Red_River_historical/collection.json

catalog/TTU_2019_rcp45_gridded_annual/collection.json

catalog/TTU_2019_rcp45_time_slices/collection.json

catalog/TTU_2019_rcp85_gridded_annual/collection.json

catalog/TTU_2019_rcp85_time_slices/collection.json

...laska_et_2020_ccsm4_historical_simulation/collection.json

...log/alaska_et_2020_era-interim_reanalysis/collection.json

...alaska_et_2020_gfdl_historical_simulation/collection.json

catalog/catalog.json

...00_rcp26_r6i1p1_I35Land_20060101-20991231/collection.json

catalog/iclus_hc/collection.json

catalog/maca_vic_future/collection.json

catalog/maca_vic_past/collection.json

catalog/macav2_future_daily/collection.json

catalog/macav2_future_monthly/collection.json