{"access":{"available_views":["_combined/fluxnet_dd","_combined/fluxnet_mm","_combined/fluxnet_ww","_combined/fluxnet_yy"],"bbox_filter":"select station whose latitude/longitude fall in range, then slice time","combined_view":"_combined/fluxnet_dd","entity_groups":"top-level groups not starting with '_' are individual stations/sites/cruises; '_combined' holds cross-entity views","lat_coord":"latitude","layout":"station × time panel — dims (station, time); latitude/longitude are 1-D coords on station","lon_coord":"longitude","open":"xarray.open_zarr(store, group='_combined/fluxnet_dd', consolidated=True)","station_dim":"station","time_coord":"time"},"audience":"automated agents and LLMs accessing this Zarr store","conventions":{"carbon_flux":"reference-slice fluxes exposed flat in the combined views: NEE_VUT_REF, GPP_NT_VUT_REF, GPP_DT_VUT_REF, RECO_NT_VUT_REF, RECO_DT_VUT_REF; the full ustar_threshold × nee_variant cube remains in the per-site groups","identity_attrs":["latitude","longitude","elevation","station_id","station_name","network","country","source_doi","citation","collection_doi","license","license_url"],"metadata":"CF-1.12 + ACDD-1.3 with a canonical cross-store attribute vocabulary","quality_control":"<var>_QC is dtype-aware: in the root (hourly/half-hourly) groups it is an INTEGER flag where only 0 and 1 are good (keep <= 1); in the aggregated DD/WW/MM/YY groups it is a FLOAT fraction in [0,1] where good is > 0.3."},"discovery":{"api":"ICOS zarr proxy — GET /variables, /variables/{id}, /query?id=..&lat_min=..&lat_max=..&lon_min=..&lon_max=..&start=..&end=..&apply_qc=.. ; machine-readable contract at /openapi.json","collection_doi":"https://doi.org/10.18160/S6TB-567H","croissant":"icos-fluxnet.croissant.jsonld (sibling of the store directory)","croissant_url":"ICOS zarr proxy: GET /icos-fluxnet.zarr/croissant — same Croissant, also linked (with @id) from the proxy-root schema.org DataCatalog when fetched with Accept: application/ld+json","variable_catalog":"variable_catalog.json (sibling of the store directory)"},"docs":["ZARR_CONVENTIONS.md","ZARR_CONSUMER_MIGRATION.md"],"domain":"ecosystem","schema_version":"1.0"}