{
    "id": "sea_surface_state_regionalized",
    "dataset_version": "0.1.0",
    "description": "Sea Surface State with 8 spatial regions (Date → Region → Files). SWOT data is gridded to regular resolution. Timestamps in microseconds.",
    "licenses": [
        "CC-BY-4.0"
    ],
    "providers": [
        {
            "name": "TUM",
            "roles": [
                "producer",
                "licensor"
            ],
            "url": null,
            "links": null
        }
    ],
    "tasks": [
        "regression",
        "generative"
    ],
    "taco_version": "0.5.0",
    "title": null,
    "curators": null,
    "keywords": [
        "ocean",
        "sea surface",
        "ssh",
        "sst",
        "sss",
        "swot",
        "glorys",
        "argo"
    ],
    "extent": {
        "spatial": [
            45.0,
            -45.0,
            135.0,
            45.0
        ],
        "temporal": [
            "2023-03-29T11:59:59.500000Z",
            "2025-08-02T11:59:59.500000Z"
        ]
    },
    "taco:pit_schema": {
        "root": {
            "n": 858,
            "type": "FOLDER"
        },
        "shape": [858, 8, 11],
        "hierarchy": {
            "1": [
                {
                    "n": 6864,
                    "type": ["FOLDER", "FOLDER", "FOLDER", "FOLDER", "FOLDER", "FOLDER", "FOLDER", "FOLDER"],
                    "id": ["NORTH_ATLANTIC", "NORTH_INDIAN", "NORTH_PACIFIC_EAST", "NORTH_PACIFIC_WEST", "SOUTH_ATLANTIC", "SOUTH_INDIAN", "SOUTH_PACIFIC_EAST", "SOUTH_PACIFIC_WEST"]
                }
            ],
            "2": [
                {
                    "n": 9256,
                    "type": ["FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE"],
                    "id": ["argo.nc", "glorys.nc", "l3_sss_asc.nc", "l3_sss_desc.nc", "l3_sst.nc", "l4_ssh.nc", "l4_sss.nc", "l4_sst.nc", "l4_wind.nc", "l3_ssh.nc", "l3_swot.nc"]
                },
                {
                    "n": 9227,
                    "type": ["FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE"],
                    "id": ["argo.nc", "glorys.nc", "l3_sss_asc.nc", "l3_sss_desc.nc", "l3_sst.nc", "l4_ssh.nc", "l4_sss.nc", "l4_sst.nc", "l4_wind.nc", "l3_ssh.nc", "l3_swot.nc"]
                },
                {
                    "n": 9261,
                    "type": ["FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE"],
                    "id": ["argo.nc", "glorys.nc", "l3_sss_asc.nc", "l3_sss_desc.nc", "l3_sst.nc", "l4_ssh.nc", "l4_sss.nc", "l4_sst.nc", "l4_wind.nc", "l3_ssh.nc", "l3_swot.nc"]
                },
                {
                    "n": 9262,
                    "type": ["FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE"],
                    "id": ["argo.nc", "glorys.nc", "l3_sss_asc.nc", "l3_sss_desc.nc", "l3_sst.nc", "l4_ssh.nc", "l4_sss.nc", "l4_sst.nc", "l4_wind.nc", "l3_ssh.nc", "l3_swot.nc"]
                },
                {
                    "n": 9259,
                    "type": ["FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE"],
                    "id": ["argo.nc", "glorys.nc", "l3_sss_asc.nc", "l3_sss_desc.nc", "l3_sst.nc", "l4_ssh.nc", "l4_sss.nc", "l4_sst.nc", "l4_wind.nc", "l3_ssh.nc", "l3_swot.nc"]
                },
                {
                    "n": 9261,
                    "type": ["FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE"],
                    "id": ["argo.nc", "glorys.nc", "l3_sss_asc.nc", "l3_sss_desc.nc", "l3_sst.nc", "l4_ssh.nc", "l4_sss.nc", "l4_sst.nc", "l4_wind.nc", "l3_ssh.nc", "l3_swot.nc"]
                },
                {
                    "n": 9259,
                    "type": ["FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE"],
                    "id": ["argo.nc", "glorys.nc", "l3_sss_asc.nc", "l3_sss_desc.nc", "l3_sst.nc", "l4_ssh.nc", "l4_sss.nc", "l4_sst.nc", "l4_wind.nc", "l3_ssh.nc", "l3_swot.nc"]
                },
                {
                    "n": 9261,
                    "type": ["FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE", "FILE"],
                    "id": ["argo.nc", "glorys.nc", "l3_sss_asc.nc", "l3_sss_desc.nc", "l3_sst.nc", "l4_ssh.nc", "l4_sss.nc", "l4_sst.nc", "l4_wind.nc", "l3_ssh.nc", "l3_swot.nc"]
                }
            ]
        }
    },
    "taco:field_schema": {
        "level0": [
            ["id", "string", "Unique sample identifier within parent scope. Must be unique among siblings."],
            ["type", "string", "Sample type discriminator (FILE or FOLDER)."],
            ["stac:time_start", "string", ""],
            ["internal:current_id", "int64", "Current sample position at this level (0-indexed). Enables O(1) random access and relational JOINs (ZIP, FOLDER, TACOCAT)."],
            ["internal:parent_id", "int64", "Foreign key referencing parent sample position in previous level (ZIP, FOLDER, TACOCAT)."]
        ],
        "level1": [
            ["id", "string", "Unique sample identifier within parent scope. Must be unique among siblings."],
            ["type", "string", "Sample type discriminator (FILE or FOLDER)."],
            ["istac:centroid", "binary", "Center point in EPSG:4326 (WKB)"],
            ["istac:crs", "string", "Coordinate reference system (WKT2, EPSG, or PROJ)"],
            ["istac:geometry", "binary", "Spatial footprint in source CRS (WKB)"],
            ["istac:time_end", "timestamp[us]", "End timestamp (μs since Unix epoch, UTC)"],
            ["istac:time_middle", "timestamp[us]", "Middle timestamp (μs since Unix epoch, UTC)"],
            ["istac:time_start", "timestamp[us]", "Start timestamp (μs since Unix epoch, UTC)"],
            ["internal:current_id", "int64", "Current sample position at this level (0-indexed). Enables O(1) random access and relational JOINs (ZIP, FOLDER, TACOCAT)."],
            ["internal:parent_id", "int64", "Foreign key referencing parent sample position in previous level (ZIP, FOLDER, TACOCAT)."],
            ["internal:relative_path", "string", "Relative path from DATA/ directory. Format: {parent_path}/{id} or {id} for level0 (ZIP, FOLDER, TACOCAT)."]
        ],
        "level2": [
            ["id", "string", "Unique sample identifier within parent scope. Must be unique among siblings."],
            ["type", "string", "Sample type discriminator (FILE or FOLDER)."],
            ["data_source", "string", ""],
            ["istac:centroid", "binary", "Center point in EPSG:4326 (WKB)"],
            ["istac:crs", "string", "Coordinate reference system (WKT2, EPSG, or PROJ)"],
            ["istac:geometry", "binary", "Spatial footprint in source CRS (WKB)"],
            ["istac:time_end", "timestamp[us]", "End timestamp (μs since Unix epoch, UTC)"],
            ["istac:time_middle", "timestamp[us]", "Middle timestamp (μs since Unix epoch, UTC)"],
            ["istac:time_start", "timestamp[us]", "Start timestamp (μs since Unix epoch, UTC)"],
            ["modality", "string", ""],
            ["res_deg_lat", "double", ""],
            ["res_km_lat", "double", ""],
            ["sensor", "string", ""],
            ["variable", "string", ""],
            ["internal:current_id", "int64", "Current sample position at this level (0-indexed). Enables O(1) random access and relational JOINs (ZIP, FOLDER, TACOCAT)."],
            ["internal:parent_id", "int64", "Foreign key referencing parent sample position in previous level (ZIP, FOLDER, TACOCAT)."],
            ["internal:relative_path", "string", "Relative path from DATA/ directory. Format: {parent_path}/{id} or {id} for level0 (ZIP, FOLDER, TACOCAT)."]
        ]
    }
}