{
  "level": "Category",
  "name": "EARTH SCIENCE",
  "children": [
    {
      "level": "Topic",
      "name": "ATMOSPHERE",
      "UUID": "topic-atmosphere",
      "definition": "Atmospheric science.",
      "children": [
        {
          "level": "Term",
          "name": "ATMOSPHERIC CHEMISTRY",
          "UUID": "term-atmospheric-chemistry",
          "definition": "Chemistry of the atmosphere.",
          "children": [
            {
              "level": "Variable_Level_1",
              "name": "CARBON",
              "UUID": "vl1-atmosphere-carbon",
              "definition": "Atmospheric carbon variables.",
              "children": [
                {
                  "level": "Variable_Level_2",
                  "name": "CARBON DIOXIDE",
                  "UUID": "vl2-carbon-dioxide",
                  "children": [
                    {
                      "level": "Variable_Level_3",
                      "name": "CARBON DIOXIDE PROFILES",
                      "UUID": "vl3-carbon-dioxide-profiles",
                      "definition": "Vertical carbon dioxide profiles."
                    }
                  ]
                },
                {
                  "level": "Variable_Level_2",
                  "name": "METHANE",
                  "UUID": "vl2-methane"
                }
              ]
            }
          ]
        },
        {
          "level": "Term",
          "name": "WEATHER EVENTS",
          "UUID": "term-weather-events"
        }
      ]
    },
    {
      "level": "Topic",
      "name": "OCEANS",
      "UUID": "topic-oceans",
      "children": [
        {
          "level": "Term",
          "name": "OCEAN CHEMISTRY",
          "UUID": "term-ocean-chemistry",
          "children": [
            {
              "level": "Variable_Level_1",
              "name": "CARBON",
              "UUID": "vl1-ocean-carbon"
            }
          ]
        }
      ]
    }
  ]
}