{
  "key": "phosphate",
  "slug": "phosphate",
  "label": "Phosphate concentration",
  "description": "Phosphate concentration",
  "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/PHOSZZXX/",
  "category": {
    "key": null,
    "name": "Nutrients & Chemistry",
    "icon": "cat-nutrients",
    "realm": "env",
    "order": 2
  },
  "is_unified": false,
  "derivation": null,
  "climatology": true,
  "bounds": {
    "valid_min": 0,
    "valid_max": 10,
    "declared_by": [
      "phosphate"
    ]
  },
  "totals": {
    "n_values": 440909,
    "n_samples": 440909,
    "n_roots": 17259,
    "n_datasets": 1,
    "year_min": 1949,
    "year_max": 2021,
    "depth_min_m": 0,
    "depth_max_m": 5351
  },
  "series": [
    {
      "measurement_type": "phosphate",
      "dataset_key": "calcofi_bottle",
      "source_column": "po4u_m",
      "qual_column": "po4q",
      "description": "Phosphate concentration",
      "units": "umol/L",
      "nerc_p01": "http://vocab.nerc.ac.uk/collection/P01/current/PHOSZZXX/",
      "is_canonical": true,
      "n_values": 440909,
      "n_samples": 440909,
      "n_roots": 17259,
      "n_cells": 204,
      "n_cruises": 297,
      "year_min": 1949,
      "year_max": 2021,
      "depth_min_m": 0,
      "depth_max_m": 5351,
      "years": {
        "1949": 17632,
        "1950": 20584,
        "1951": 18221,
        "1955": 4078,
        "1959": 1226,
        "1961": 2789,
        "1962": 1081,
        "1963": 2473,
        "1964": 5002,
        "1965": 2164,
        "1968": 1709,
        "1969": 8170,
        "1970": 886,
        "1971": 618,
        "1972": 10239,
        "1973": 782,
        "1974": 2483,
        "1976": 83,
        "1977": 1211,
        "1978": 22230,
        "1981": 2327,
        "1982": 304,
        "1983": 2872,
        "1984": 31042,
        "1985": 7304,
        "1986": 8526,
        "1987": 10529,
        "1988": 9158,
        "1989": 9372,
        "1990": 7678,
        "1991": 7840,
        "1992": 8398,
        "1993": 8042,
        "1994": 7660,
        "1995": 7559,
        "1996": 8468,
        "1997": 7885,
        "1998": 8546,
        "1999": 7691,
        "2000": 7725,
        "2001": 7715,
        "2002": 7657,
        "2003": 8458,
        "2004": 7713,
        "2005": 7758,
        "2006": 7862,
        "2007": 7698,
        "2008": 7692,
        "2009": 8028,
        "2010": 6916,
        "2011": 7656,
        "2012": 7097,
        "2013": 7436,
        "2014": 6304,
        "2015": 7153,
        "2016": 7587,
        "2017": 7563,
        "2018": 6680,
        "2019": 5869,
        "2020": 5211,
        "2021": 2269
      },
      "months": [
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        33702,
        27026,
        66433,
        26934,
        14841,
        64854,
        39617,
        18906,
        41780,
        44620,
        2466
      ],
      "depth_bands": {
        "0-10": 32041,
        "10-50": 86824,
        "50-100": 77478,
        "100-200": 87992,
        "200-500": 109810,
        "500-1000": 37644,
        "1000-2000": 7435,
        "2000+": 1685
      },
      "qual": {
        "4": 1,
        "8": 305,
        "none": 440603
      },
      "qual_ok_n": 440604,
      "observed": {
        "min": 0,
        "p05": 0.27,
        "p50": 1.57,
        "p95": 3.16,
        "max": 5.21
      },
      "out_of_bounds": {
        "n": 0,
        "min": null,
        "max": null
      },
      "flags": []
    }
  ],
  "related": [
    {
      "key": "btl_phosphate",
      "why": "same_bottles"
    }
  ],
  "flags": [
    "no_label"
  ]
}