{
  "required": [
    "sample-datetime",
    "sample-date-excel",
    "sample-date-fractional"
  ],
  "attributes": {
    "sample-datetime": {
      "description": "The monthly values have been adjusted to 24:00 hours on the 15th of each month.",
      "ui-priority": 1,
      "misp-attribute": "datetime",
      "disable_correlation": true
    },
    "sample-date-excel": {
      "description": "M$Excel spreadsheet date format.",
      "ui-priority": 1,
      "misp-attribute": "float",
      "disable_correlation": true
    },
    "sample-date-fractional": {
      "description": "Decimal year and fractional year.",
      "ui-priority": 1,
      "misp-attribute": "float",
      "disable_correlation": true
    },
    "monthly-o18": {
      "description": "Monthly O18 concentrations in micro-mol O18 per mole (ppm) reported on the 2008A SIO manometric mole fraction scale. This is the standard version of the data most often sought.",
      "misp-attribute": "float",
      "disable_correlation": true,
      "ui-priority": 1
    },
    "monthly-o18-seasonal-adjustment": {
      "description": "Same data after a seasonal adjustment to remove the quasi-regular seasonal cycle.  The adjustment involves subtracting from the data a 4-harmonic fit with a linear gain factor.",
      "misp-attribute": "float",
      "disable_correlation": true,
      "ui-priority": 0
    },
    "monthly-o18-smoothed": {
      "description": "Smoothed version of the data generated from a stiff cubic spline function plus 4-harmonic functions with linear gain.",
      "misp-attribute": "float",
      "disable_correlation": true,
      "ui-priority": 1
    },
    "monthly-o18-smoothed-seasonal-adjustment": {
      "description": "Same smoothed version with the seasonal cycle removed.",
      "misp-attribute": "float",
      "disable_correlation": true,
      "ui-priority": 1
    }
  },
  "version": 1,
  "description": "Monthly average O18 concentrations (ppm) derived from flask air samples.",
  "meta-category": "environment",
  "uuid": "86bd588b-cd0c-486a-8ea0-17fd95312fa0",
  "name": "scrippsco2-o18-monthly"
}