{
  "key": "btl_depth",
  "slug": "btl_depth",
  "label": "Bottle trip depth",
  "description": "Bottle trip depth",
  "units": "m",
  "units_nerc_p06": "http://vocab.nerc.ac.uk/collection/P06/current/ULAA/",
  "nerc_p01": "http://vocab.nerc.ac.uk/collection/P01/current/ADEPZZ01/",
  "category": {
    "key": null,
    "name": "Physical Oceanography",
    "icon": "cat-physical",
    "realm": "env",
    "order": 1
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  "derivation": null,
  "climatology": true,
  "bounds": {
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    "valid_max": 11000,
    "declared_by": [
      "btl_depth"
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  },
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    "n_samples": 9059,
    "n_roots": 9059,
    "n_datasets": 1,
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    "year_max": 2025,
    "depth_min_m": 1,
    "depth_max_m": 3510
  },
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      "measurement_type": "btl_depth",
      "dataset_key": "calcofi_ctd-cast",
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      "qual_column": null,
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      "nerc_p01": "http://vocab.nerc.ac.uk/collection/P01/current/ADEPZZ01/",
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        "1994": 4898,
        "1995": 3687,
        "1996": 5515,
        "1997": 4979,
        "1998": 5732,
        "1999": 4847,
        "2000": 4758,
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        "2011": 5553,
        "2012": 4863,
        "2013": 5468,
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        "2015": 6210,
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        "2017": 5441,
        "2018": 4987,
        "2019": 4143,
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        "2021": 3789,
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        "2023": 5280,
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  "related": [
    {
      "key": "r_depth",
      "why": "same_bottles"
    }
  ],
  "flags": [
    "no_label"
  ]
}