{
  "key": "salinity_1_corr",
  "slug": "salinity_1_corr",
  "label": "Salinity sensor 1 cruise-corrected",
  "description": "Salinity sensor 1 cruise-corrected",
  "units": "PSU",
  "units_nerc_p06": "http://vocab.nerc.ac.uk/collection/P06/current/PSUX/",
  "nerc_p01": "http://vocab.nerc.ac.uk/collection/P01/current/PSALST01/",
  "category": {
    "key": null,
    "name": "Physical Oceanography",
    "icon": "cat-physical",
    "realm": "env",
    "order": 1
  },
  "is_unified": false,
  "derivation": "Sensor salinity offset-corrected from bottle salinities BELOW 350 m and applied at all depths, separately for the primary and secondary sensors - a different scheme from the oxygen/nitrate/chlorophyll regressions.",
  "climatology": true,
  "bounds": {
    "valid_min": 0,
    "valid_max": 45,
    "declared_by": [
      "salinity_1_corr"
    ]
  },
  "totals": {
    "n_values": 672877,
    "n_samples": 9272,
    "n_roots": 9272,
    "n_datasets": 1,
    "year_min": 1993,
    "year_max": 2025,
    "depth_min_m": 1,
    "depth_max_m": 3630
  },
  "series": [
    {
      "measurement_type": "salinity_1_corr",
      "dataset_key": "calcofi_ctd-cast",
      "source_column": "salt1_corr",
      "qual_column": null,
      "description": "Salinity sensor 1 cruise-corrected",
      "units": "PSU",
      "nerc_p01": "http://vocab.nerc.ac.uk/collection/P01/current/PSALST01/",
      "is_canonical": true,
      "n_values": 672877,
      "n_samples": 9272,
      "n_roots": 9272,
      "n_cells": 97,
      "n_cruises": 129,
      "year_min": 1993,
      "year_max": 2025,
      "depth_min_m": 1,
      "depth_max_m": 3630,
      "years": {
        "1993": 10810,
        "1994": 21999,
        "1995": 15613,
        "1996": 23081,
        "1997": 21494,
        "1998": 24300,
        "1999": 20246,
        "2000": 19724,
        "2001": 19521,
        "2002": 19708,
        "2003": 24241,
        "2004": 24839,
        "2005": 20565,
        "2006": 22504,
        "2007": 21560,
        "2008": 21114,
        "2009": 23762,
        "2010": 22481,
        "2011": 23355,
        "2012": 18920,
        "2013": 22123,
        "2014": 17541,
        "2015": 24314,
        "2016": 24119,
        "2017": 21358,
        "2018": 18654,
        "2019": 15162,
        "2020": 16326,
        "2021": 17445,
        "2022": 21362,
        "2023": 21934,
        "2024": 17637,
        "2025": 15065
      },
      "months": [
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        43685,
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        142902,
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        110251,
        51365,
        9801,
        70833,
        84625,
        0
      ],
      "depth_bands": {
        "0-10": 16862,
        "10-50": 87797,
        "50-100": 106620,
        "100-200": 139932,
        "200-500": 277475,
        "500-1000": 37669,
        "1000-2000": 3285,
        "2000+": 3237
      },
      "qual": {
        "none": 672877
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      "qual_ok_n": 672877,
      "observed": {
        "min": 3.636,
        "p05": 33.0972,
        "p50": 33.9812,
        "p95": 34.2945,
        "max": 44.1517
      },
      "out_of_bounds": {
        "n": 0,
        "min": null,
        "max": null
      },
      "flags": [
        "no_flag_at_grain"
      ]
    }
  ],
  "related": [
    {
      "key": "salinity_1",
      "why": "paired_sensors"
    }
  ],
  "flags": [
    "no_label"
  ]
}