{
    "llat_time": {
        "attrs": {
            "axis": "T",
            "calendar": "gregorian",
            "standard_name": "time",
            "units": "seconds since 1970-01-01T00:00:00Z",
            "valid_max": 2147483647,
            "valid_min": 0,
            "_FillValue": NaN
        },
        "dimension": "time",
        "is_dimension": true,
        "dimension_length": null,
        "nc_var_name": "time",
        "type": "f8"
    },
    "llat_pressure": {
        "attrs": {
            "axis": "Z",
            "long_name": "CTD Pressure",
            "observation_type": "measured",
            "positive": "down",
            "reference_datum": "sea-surface",
            "standard_name": "sea_water_pressure",
            "platform": "platform",
            "units": "bar",
            "instrument": "instrument_ctd",
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            "valid_min": 0.0,
            "accuracy": 0.01,
            "ancillary_variables": " ",
            "resolution": 0.01,
            "precision": 0.01,
            "_FillValue": NaN
        },
        "dimension": "time",
        "nc_var_name": "pressure",
        "type": "f8"
    },
    "llat_depth": {
        "attrs": {
            "_FillValue": NaN,
            "axis": "Z",
            "long_name": "CTD Depth",
            "instrument": "instrument_ctd",
            "observation_type": "calculated",
            "positive": "down",
            "reference_datum": "sea-surface",
            "standard_name": "sea_water_depth",
            "platform": "platform",
            "units": "meters",
            "valid_max": 2000.0,
            "valid_min": 0.0,
            "accuracy": 0.01,
            "ancillary_variables": " ",
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            "precision": 0.01
        },
        "dimension": "time",
        "nc_var_name": "depth",
        "type": "f8"
    },
    "llat_latitude": {
        "nc_var_name": "lat",
        "type": "f8",
        "dimension": "time",
        "attrs": {
            "_FillValue": NaN,
            "ancillary_variables": " ",
            "coordinate_reference_frame": "urn:ogc:crs:EPSG::4326",
            "reference": "WGS84",
            "platform": "platform",
            "units": "degree_north",
            "precision": 5,
            "axis": "Y",
            "observation_type": "calculated",
            "long_name": "Latitude",
            "valid_min": -90.0,
            "valid_max": 90.0,
            "standard_name": "latitude"
        }
    },
    "llat_longitude": {
        "nc_var_name": "lon",
        "type": "f8",
        "dimension": "time",
        "attrs": {
            "_FillValue": NaN,
            "ancillary_variables": " ",
            "coordinate_reference_frame": "urn:ogc:crs:EPSG::4326",
            "reference": "WGS84",
            "platform": "platform",
            "units": "degree_east",
            "precision": 5,
            "axis": "X",
            "observation_type": "calculated",
            "long_name": "Longitude",
            "valid_min": -180.0,
            "valid_max": 180.0,
            "standard_name": "longitude"
        }
    },
    "crs": {
        "nc_var_name": "crs",
        "dimension": null,
        "type": "i4",
        "attrs": {
            "epsg_code": "EPSG:4326",
            "grid_mapping_name": "latitude_longitude",
            "inverse_flattening": 298.257223563,
            "long_name": "http://www.opengis.net/def/crs/EPSG/0/4326",
            "semi_major_axis": 6378137.0
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    },
    "platform": {
        "nc_var_name": "platform",
        "dimension": null,
        "type": "i4",
        "attrs": {
            "ancillary_variables": " "
        }
    },
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        "dimension": null,
        "nc_var_name": "profile_id",
        "type": "f8",
        "attrs": {
            "_FillValue": NaN,
            "ancillary_variables": "profile_time",
            "comment": "Unique identifier of the profile. The profile ID is the mean profile timestamp",
            "long_name": "Profile ID",
            "valid_min": 1,
            "valid_max": 2147483647
        }
    },
    "profile_time": {
        "dimension": null,
        "nc_var_name": "profile_time",
        "type": "f8",
        "attrs": {
            "_FillValue": NaN,
            "axis": "T",
            "calendar": "gregorian",
            "comment": "Timestamp corresponding to the mid-point of the profile",
            "long_name": "Profile Center Time",
            "observation_type": "calculated",
            "standard_name": "time",
            "units": "seconds since 1970-01-01T00:00:00Z",
            "valid_max": 2147483647,
            "valid_min": 0
        }
    },
    "profile_lat": {
        "nc_var_name": "profile_lat",
        "type": "f8",
        "dimension": null,
        "attrs": {
            "_FillValue": NaN,
            "comment": "Value is interpolated to provide an estimate of the latitude at the mid-point of the profile",
            "units": "degree_north",
            "precision": 5,
            "axis": "Y",
            "observation_type": "calculated",
            "long_name": "Profile Center Latitude",
            "valid_min": -90.0,
            "valid_max": 90.0,
            "standard_name": "latitude"
        }
    },
    "profile_lon": {
        "nc_var_name": "profile_lon",
        "type": "f8",
        "dimension": null,
        "attrs": {
            "_FillValue": NaN,
            "comment": "Value is interpolated to provide an estimate of the longitude at the mid-point of the profile",
            "units": "degree_east",
            "precision": 5,
            "axis": "X",
            "observation_type": "calculated",
            "long_name": "Profile Center Longitude",
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            "valid_max": 180.0,
            "standard_name": "longitude"
        }
    },
    "m_altitude": {
        "attrs": {
            "_FillValue": NaN,
            "bytes": 4,
            "sensor": "m_altitude",
            "type": "f8",
            "units": "m",
            "standard_name": "sea_floor_depth_below_sea_surface",
            "long_name": "Measured Water Depth"
        },
        "dimension": "time",
        "nc_var_name": "water_depth",
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    },
    "sci_water_cond": {
        "attrs": {
            "_FillValue": NaN,
            "accuracy": 0.001,
            "ancillary_variables": " ",
            "resolution": 1e-05,
            "precision": 1e-05,
            "instrument": "instrument_ctd",
            "platform": "platform",
            "observation_type": "measured",
            "standard_name": "sea_water_electrical_conductivity",
            "units": "S m-1",
            "valid_max": 10.0,
            "valid_min": 0.0
        },
        "dimension": "time",
        "nc_var_name": "conductivity",
        "type": "f8"
    },
    "sci_water_temp": {
        "attrs": {
            "_FillValue": NaN,
            "accuracy": 0.004,
            "ancillary_variables": " ",
            "instrument": "instrument_ctd",
            "long_name": "Temperature",
            "observation_type": "measured",
            "platform": "platform",
            "precision": 0.001,
            "resolution": 0.001,
            "standard_name": "sea_water_temperature",
            "units": "Celsius",
            "valid_max": 40.0,
            "valid_min": -5.0
        },
        "dimension": "time",
        "nc_var_name": "temperature",
        "type": "f8"
    },
    "salinity": {
        "attrs": {
            "_FillValue": NaN,
            "accuracy": " ",
            "ancillary_variables": " ",
            "instrument": "instrument_ctd",
            "long_name": "Salinity",
            "observation_type": "calculated",
            "platform": "platform",
            "precision": " ",
            "resolution": " ",
            "standard_name": "sea_water_practical_salinity",
            "units": "1",
            "valid_max": 40.0,
            "valid_min": 0.0
        },
        "dimension": "time",
        "nc_var_name": "salinity",
        "type": "f8"
    },
    "density": {
        "attrs": {
            "_FillValue": NaN,
            "accuracy": " ",
            "ancillary_variables": " ",
            "instrument": "instrument_ctd",
            "long_name": "Density",
            "observation_type": "calculated",
            "platform": "platform",
            "precision": " ",
            "resolution": " ",
            "standard_name": "sea_water_density",
            "units": "kg m-3",
            "valid_max": 1040.0,
            "valid_min": 1015.0
        },
        "dimension": "time",
        "nc_var_name": "density",
        "type": "f8"
    }
}