{
  "key": "r_ammonium",
  "slug": "r_ammonium",
  "label": "Reported ammonium concentration (pre-QC)",
  "description": "Reported ammonium concentration (pre-QC)",
  "units": "umol/L",
  "units_nerc_p06": "http://vocab.nerc.ac.uk/collection/P06/current/UPOX/",
  "nerc_p01": "http://vocab.nerc.ac.uk/collection/P01/current/AMONZZXX/",
  "category": {
    "key": null,
    "name": "Nutrients & Chemistry",
    "icon": "cat-nutrients",
    "realm": "env",
    "order": 2
  },
  "is_unified": false,
  "derivation": "reported value interpolated to standard depth (pre-QC, decodr); carries no quality code by design; not an input for further interpolation",
  "climatology": true,
  "bounds": {
    "valid_min": 0,
    "valid_max": 100,
    "declared_by": [
      "r_ammonium"
    ]
  },
  "totals": {
    "n_values": 90509,
    "n_samples": 90509,
    "n_roots": 3670,
    "n_datasets": 1,
    "year_min": 2008,
    "year_max": 2021,
    "depth_min_m": 0,
    "depth_max_m": 3542
  },
  "series": [
    {
      "measurement_type": "r_ammonium",
      "dataset_key": "calcofi_bottle",
      "source_column": "r_nuts",
      "qual_column": null,
      "description": "Reported ammonium concentration (pre-QC)",
      "units": "umol/L",
      "nerc_p01": "http://vocab.nerc.ac.uk/collection/P01/current/AMONZZXX/",
      "is_canonical": false,
      "n_values": 90509,
      "n_samples": 90509,
      "n_roots": 3670,
      "n_cells": 87,
      "n_cruises": 52,
      "year_min": 2008,
      "year_max": 2021,
      "depth_min_m": 0,
      "depth_max_m": 3542,
      "years": {
        "2008": 7491,
        "2009": 8016,
        "2010": 6918,
        "2011": 7657,
        "2012": 6639,
        "2013": 7269,
        "2014": 6256,
        "2015": 7145,
        "2016": 7591,
        "2017": 7435,
        "2018": 6063,
        "2019": 5869,
        "2020": 3890,
        "2021": 2270
      },
      "months": [
        19717,
        4044,
        3756,
        14895,
        1767,
        1845,
        15341,
        7042,
        0,
        7691,
        14411,
        0
      ],
      "depth_bands": {
        "0-10": 8383,
        "10-50": 18111,
        "50-100": 15649,
        "100-200": 18065,
        "200-500": 24612,
        "500-1000": 5637,
        "1000-2000": 21,
        "2000+": 31
      },
      "qual": {
        "none": 90509
      },
      "qual_ok_n": 90509,
      "observed": {
        "min": 0,
        "p05": 0,
        "p50": 0,
        "p95": 0.37,
        "max": 33.58
      },
      "out_of_bounds": {
        "n": 0,
        "min": null,
        "max": null
      },
      "flags": [
        "reported_pre_qc",
        "no_flag_at_grain"
      ]
    }
  ],
  "related": [
    {
      "key": "btl_ammonium",
      "why": "same_bottles"
    }
  ],
  "flags": [
    "no_label"
  ]
}