{
  "key": "oxygen_umol_kg_2",
  "slug": "oxygen_umol_kg_2",
  "label": "DO sensor 2 (uncorrected)",
  "description": "DO sensor 2 (uncorrected)",
  "units": "umol/kg",
  "units_nerc_p06": "http://vocab.nerc.ac.uk/collection/P06/current/KGUM/",
  "nerc_p01": "http://vocab.nerc.ac.uk/collection/P01/current/DOXMZZXX/",
  "category": {
    "key": null,
    "name": "Physical Oceanography",
    "icon": "cat-physical",
    "realm": "env",
    "order": 1
  },
  "is_unified": false,
  "derivation": null,
  "climatology": true,
  "bounds": {
    "valid_min": 0,
    "valid_max": 700,
    "declared_by": [
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    ]
  },
  "totals": {
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    "n_samples": 4806,
    "n_roots": 4806,
    "n_datasets": 1,
    "year_min": 1999,
    "year_max": 2026,
    "depth_min_m": 0.968,
    "depth_max_m": 3630
  },
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    {
      "measurement_type": "oxygen_umol_kg_2",
      "dataset_key": "calcofi_ctd-cast",
      "source_column": "ox2u_m",
      "qual_column": "ox2q",
      "description": "DO sensor 2 (uncorrected)",
      "units": "umol/kg",
      "nerc_p01": "http://vocab.nerc.ac.uk/collection/P01/current/DOXMZZXX/",
      "is_canonical": true,
      "n_values": 328417,
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      "n_cells": 90,
      "n_cruises": 64,
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      "depth_min_m": 0.968,
      "depth_max_m": 3630,
      "years": {
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        "2009": 13936,
        "2010": 22481,
        "2011": 23340,
        "2012": 13693,
        "2013": 22120,
        "2014": 17540,
        "2015": 21147,
        "2016": 24119,
        "2017": 21360,
        "2018": 18654,
        "2019": 10489,
        "2020": 16338,
        "2021": 17238,
        "2022": 15813,
        "2023": 17052,
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        "2025": 19415,
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      "depth_bands": {
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  ],
  "related": [
    {
      "key": "oxygen_btl_umol_kg",
      "why": "same_bottles"
    },
    {
      "key": "oxygen_umol_kg",
      "why": "sensor_vs_mean"
    },
    {
      "key": "oxygen_umol_kg_1",
      "why": "paired_sensors"
    },
    {
      "key": "r_oxygen_umol_kg",
      "why": "pre_qc_twin"
    }
  ],
  "flags": [
    "no_label"
  ]
}