{
  "key": "silicate",
  "slug": "silicate",
  "label": "Silicate concentration",
  "description": "Silicate 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/SLCAZZXX/",
  "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": 300,
    "declared_by": [
      "silicate"
    ]
  },
  "totals": {
    "n_values": 381685,
    "n_samples": 381685,
    "n_roots": 15181,
    "n_datasets": 1,
    "year_min": 1959,
    "year_max": 2021,
    "depth_min_m": 0,
    "depth_max_m": 5351
  },
  "series": [
    {
      "measurement_type": "silicate",
      "dataset_key": "calcofi_bottle",
      "source_column": "si_o3u_m",
      "qual_column": "si_o3qu",
      "description": "Silicate concentration",
      "units": "umol/L",
      "nerc_p01": "http://vocab.nerc.ac.uk/collection/P01/current/SLCAZZXX/",
      "is_canonical": true,
      "n_values": 381685,
      "n_samples": 381685,
      "n_roots": 15181,
      "n_cells": 186,
      "n_cruises": 235,
      "year_min": 1959,
      "year_max": 2021,
      "depth_min_m": 0,
      "depth_max_m": 5351,
      "years": {
        "1959": 154,
        "1961": 2678,
        "1962": 1334,
        "1963": 2438,
        "1964": 4884,
        "1965": 2122,
        "1968": 1707,
        "1969": 8292,
        "1970": 789,
        "1971": 621,
        "1972": 10269,
        "1973": 834,
        "1974": 2519,
        "1976": 80,
        "1977": 1257,
        "1978": 23584,
        "1981": 2327,
        "1982": 304,
        "1983": 2946,
        "1984": 31074,
        "1985": 7299,
        "1986": 8504,
        "1987": 10534,
        "1988": 9702,
        "1989": 9293,
        "1990": 7680,
        "1991": 7842,
        "1992": 8403,
        "1993": 8042,
        "1994": 7765,
        "1995": 7559,
        "1996": 8478,
        "1997": 7885,
        "1998": 8540,
        "1999": 7694,
        "2000": 7725,
        "2001": 7716,
        "2002": 7659,
        "2003": 8456,
        "2004": 7713,
        "2005": 7771,
        "2006": 7866,
        "2007": 7864,
        "2008": 7699,
        "2009": 8028,
        "2010": 6916,
        "2011": 7658,
        "2012": 7098,
        "2013": 7436,
        "2014": 6306,
        "2015": 7155,
        "2016": 7592,
        "2017": 7563,
        "2018": 6681,
        "2019": 5870,
        "2020": 5211,
        "2021": 2269
      },
      "months": [
        59550,
        29695,
        22311,
        60665,
        18920,
        12364,
        57843,
        28986,
        11268,
        39771,
        38056,
        2256
      ],
      "depth_bands": {
        "0-10": 29479,
        "10-50": 77863,
        "50-100": 70067,
        "100-200": 78981,
        "200-500": 97370,
        "500-1000": 25009,
        "1000-2000": 1818,
        "2000+": 1098
      },
      "qual": {
        "4": 1,
        "8": 232,
        "none": 381452
      },
      "qual_ok_n": 381453,
      "observed": {
        "min": 0,
        "p05": 1.45,
        "p50": 18,
        "p95": 78.4,
        "max": 196
      },
      "out_of_bounds": {
        "n": 0,
        "min": null,
        "max": null
      },
      "flags": []
    }
  ],
  "related": [
    {
      "key": "btl_silicate",
      "why": "same_bottles"
    }
  ],
  "flags": [
    "no_label"
  ]
}