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    "@id": "https://github.com/NmdWork/METS-RCN/blob/main/Examples/Events/knot-event.json",
    "name": "KNOT Niskin Bottles",
    "description":"Hydrographic measuremenst at the Kyodo North Pacific Ocean Time-series station (KNOT). The scientific focus of the program at KNOT is the seasonal carbon cycle.",
    "url": "",
    "keywords": [
        "KNOT",
        "hydrography",
        "biogeochemical",
        "Niskin"
    ],
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    "endDate": "2012-12-31T00:00:00Z",
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        "@type": "Place",
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    "funder": ["Core Research for Evaluational Science and Technology (CREST) Program"],
    "subjectOf": [
        {
            "@type": "Dataset",
            "url": "https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/",
            "identifier": "DOI:10.25921/tarq-6v91",
            "description": "Waikita et al. (2012) Dissolved inorganic carbon, total alkalinity, temperature, salinity and other variables collected via time series monitoring from BOSEI MARU NO. 2, HAKUREI MARU and others in the North Pacific Ocean from 1992-06-23 to 2012-12-31",
            "provider": [
                {
                    "@type": "Organization",
                    "identifier": "https://oceanexpert.org/institution/11797",
                    "legalName": "Japan Agency for Marine-Earth Science and Technology",
                    "name": "JAMSTEC",
                    "url": "http://www.jamstec.go.jp/e/index.html"
                },
                {
                    "@type": "Person",
                    "identifier": "https://orcid.org/0000-0002-3333-0546",
                    "legalName": "Masahide Wakita",
                    "name": "Masahide Wakita"
                },
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                    "@type": "Organization",
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                    "legalName": "NOAA NESDIS National Centers for Environmental Information",
                    "name": "NCEI",
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    "citation": [
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    "contributor": [
        "Masahide Waikita",
        "Shuichi Watanabe",
        "Akihiko Murata",
        "Makio Honda",
        "Nobuo Tsurushima"
    ],   
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                "name": "Determination of phosphate",
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            },
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                ],
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                "name": "Determination of bottle oxygen",
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                "name": "Determination of ammonium",
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                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
                "object":[
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                    "Carrier solution: Low nutrient sea water (LNSW)"
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                "result":[
                    "ammonium concentrations per seawatar mass",
                    "Column title NH4 in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            },
            {
                "@type": "Action",
                "name": "Determination of total dissolved inorganic carbon",
                "actionStatus": "CompletedActionStatus",
                "instrument": "UIC coulometer",
                "object":[
                    "Coulemetry"
                ],
                "result":[
                    "total dissolved inorganic carbon per seawatar mass",
                    "Column title TCARBN in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            },
            {
                "@type": "Action",
                "name": "Determination of total alkalinity",
                "actionStatus": "CompletedActionStatus",
                "instrument": "NA",
                "object":[
                    "Titration: Potentiometric"
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                "result":[
                    "total alkalinity per seawatar mass",
                    "Column title ALKALI in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            }]
        },
        {
            "@type": "Event",
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            "description": "Station visits 12: Hydrographic measurements at KNOT station",
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            "startDate": "1999-05-26T00:00:00Z",
            "endDate": "1999-05-27T00:00:00Z",
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                ]
            },
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                "@type": "Action",
                "name": "Determination of bottle oxygen",
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                ]
            },
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                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
                "object":[
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                    "Carrier solution: Low nutrient sea water (LNSW)"
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                ]
            },
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                "name": "Determination of silicate",
                "actionStatus": "CompletedActionStatus",
                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
                "object":[
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                    "Carrier solution: Low nutrient sea water (LNSW)"
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                "result":[
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                ]
            },
            {
                "@type": "Action",
                "name": "Determination of total dissolved inorganic carbon",
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                "object":[
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                "result":[
                    "total dissolved inorganic carbon per seawatar mass",
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                ]
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                "name": "Determination of total alkalinity",
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                "result":[
                    "total alkalinity per seawatar mass",
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                ]
            }]
        },
        {
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            "description": "Station visits 13 until 17: Hydrographic measurements at KNOT station",
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            "startDate": "1999-06-05T00:00:00Z",
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                "Makio Honda",
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                "Nobuo Tsurushima"
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                "result":[
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                ]
            },
            {
                "@type": "Action",
                "name": "Determination of bottle oxygen",
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                "instrument": "Metrohm 751 GPD Titrino",
                "object":[
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                    "End-Point detection: Potentiometric",
                    "Carpenter",
                    "Draw Temperature",
                    "CSK"
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                "result":[
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                ]
            },
            {
                "@type": "Action",
                "name": "Determination of nitrate",
                "actionStatus": "CompletedActionStatus",
                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
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                    "Carrier solution: Low nutrient sea water (LNSW)"
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                "result":[
                    "nitrate concentrations per seawatar mass",
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            },
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                "@type": "Action",
                "name": "Determination of phosphate",
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                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
                "object":[
                    "Autoanalyzer",
                    "Carrier solution: Low nutrient sea water (LNSW)"
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                "result":[
                    "phosphate concentrations per seawatar mass",
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                ]
            },
            {
                "@type": "Action",
                "name": "Determination of silicate",
                "actionStatus": "CompletedActionStatus",
                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
                "object":[
                    "Autoanalyzer",
                    "Carrier solution: Low nutrient sea water (LNSW)"
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                "result":[
                    "silicate concentrations per seawatar mass",
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                ]
            },
            {
                "@type": "Action",
                "name": "Determination of total dissolved inorganic carbon",
                "actionStatus": "CompletedActionStatus",
                "instrument": "UIC coulometer",
                "object":[
                    "Coulemetry"
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                "result":[
                    "total dissolved inorganic carbon per seawatar mass",
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                ]
            },
            {
                "@type": "Action",
                "name": "Determination of total alkalinity",
                "actionStatus": "CompletedActionStatus",
                "instrument": "NA",
                "object":[
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                "result":[
                    "total alkalinity per seawatar mass",
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                ]
            }]
        },
        {
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            "description": "Station visits 18 until 21: Hydrographic measurements at KNOT station",
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            "startDate": "2000-01-17T00:00:00Z",
            "endDate": "2000-06-26T00:00:00Z",
            "location": {
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            "organizer": [
                "Masashi Kusakabe",
                "Makio Honda",
                "Shuichi Watanabe"
            ],
            "potentialAction": [{
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                "name": "Determination of bottle salinity",
                "actionStatus": "CompletedActionStatus",
                "instrument": "Guildline Autosal 8400B",
                "object":[
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                    "Standard:OSIL"
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                "result":[
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                ]
            },
            {
                "@type": "Action",
                "name": "Determination of bottle oxygen",
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            },
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                    "Carrier solution: Low nutrient sea water (LNSW)"
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                "actionStatus": "CompletedActionStatus",
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                    "Autoanalyzer",
                    "Carrier solution: Low nutrient sea water (LNSW)"
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                ]
            },
            {
                "@type": "Action",
                "name": "Determination of silicate",
                "actionStatus": "CompletedActionStatus",
                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
                "object":[
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                    "Carrier solution: Low nutrient sea water (LNSW)"
                ],
                "result":[
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                ]
            },
            {
                "@type": "Action",
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                "object":[
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                "object":[
                    "Autoanalyzer",
                    "Carrier solution: Low nutrient sea water (LNSW)"
                ],
                "result":[
                    "phosphate concentrations per seawatar mass",
                    "Column title PHSPHT in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            },
            {
                "@type": "Action",
                "name": "Determination of silicate",
                "actionStatus": "CompletedActionStatus",
                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
                "object":[
                    "Autoanalyzer",
                    "Carrier solution: Low nutrient sea water (LNSW)"
                ],
                "result":[
                    "silicate concentrations per seawatar mass",
                    "Column title SILCAT in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            },
            {
                "@type": "Action",
                "name": "Determination of ammonium",
                "actionStatus": "CompletedActionStatus",
                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
                "object":[
                    "Autoanalyzer",
                    "Carrier solution: Low nutrient sea water (LNSW)"
                ],
                "result":[
                    "ammonium concentrations per seawatar mass",
                    "Column title NH4 in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            },
            {
                "@type": "Action",
                "name": "Determination of total dissolved inorganic carbon",
                "actionStatus": "CompletedActionStatus",
                "instrument": "UIC coulometer",
                "object":[
                    "Coulemetry",
                    "CRM"
                ],
                "result":[
                    "total dissolved inorganic carbon per seawatar mass",
                    "Column title TCARBN in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            },
            {
                "@type": "Action",
                "name": "Determination of total alkalinity",
                "actionStatus": "CompletedActionStatus",
                "instrument": "NA",
                "object":[
                    "Titration: Potentiometric",
                    "CRM"
                ],
                "result":[
                    "total alkalinity per seawatar mass",
                    "Column title ALKALI in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            }]
        },
        {
            "@type": "Event",
            "name": "MR07-01, MR07-05, MR08-05, MR10-01, MR10-06, MR11-03, MR11-05, MR12-02",
            "description": "Station visit 42 until 49: Hydrographic measurements at KNOT station",
            "instrument": ["R/V Mirai"],
            "startDate": "2007-03-20T00:00:00Z",
            "endDate": "2012-06-18T00:00:00Z",
            "location": {
                "name": "KNOT",
                "@type": "Place",
                "geo": {
                    "@type": "GeoShape",
                    "polygon": "155.2000 44.0010, 155.2000 43.8000, 154.9960 43.8000, 154.9960 44.0010, 155.2000 44.0010"
                },
                "additionalProperty": [
                    {
                        "@type": "PropertyValue",
                        "propertyID": "http://dbpedia.org/resource/Spatial_reference_system",
                        "value": "http://www.w3.org/2003/01/geo/wgs84_pos#lat_long"
                    },
                    {
                        "@type": "PropertyValue",
                        "propertyID": "GPS Accuracy / Location error",
                        "value": "18",
                        "unitCode": "http://qudt.org/vocab/unit/M"
                    }
                ]
            },
            "organizer": [
                "Masahide Wakita"
            ],
            "potentialAction": [{
                "@type": "Action",
                "name": "Determination of bottle salinity",
                "actionStatus": "CompletedActionStatus",
                "instrument": "Guildline Autosal 8400B",
                "object":[
                    "Autosal",
                    "Standard:OSIL"
                ],
                "result":[
                    "Practical salinity of the water body",
                    "Column title SALNTY in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            },
            {
                "@type": "Action",
                "name": "Determination of bottle oxygen",
                "actionStatus": "CompletedActionStatus",
                "instrument": "Metrohm 751 GPD Titrino",
                "object":[
                    "Winkler",
                    "End-Point detection: Potentiometric",
                    "Carpenter",
                    "Draw Temperature",
                    "CSK"
                ],
                "result":[
                    "Oxygen concentrations per seawatar mass",
                    "Column title OXYGEN in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            },
            {
                "@type": "Action",
                "name": "Determination of nitrate",
                "actionStatus": "CompletedActionStatus",
                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
                "object":[
                    "Autoanalyzer",
                    "Carrier solution: Low nutrient sea water (LNSW)",
                    "KANSO"
                ],
                "result":[
                    "nitrate concentrations per seawatar mass",
                    "Column title NITRAT in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            },
            {
                "@type": "Action",
                "name": "Determination of phosphate",
                "actionStatus": "CompletedActionStatus",
                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
                "object":[
                    "Autoanalyzer",
                    "Carrier solution: Low nutrient sea water (LNSW)",
                    "KANSO"
                ],
                "result":[
                    "phosphate concentrations per seawatar mass",
                    "Column title PHSPHT in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            },
            {
                "@type": "Action",
                "name": "Determination of silicate",
                "actionStatus": "CompletedActionStatus",
                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
                "object":[
                    "Autoanalyzer",
                    "Carrier solution: Low nutrient sea water (LNSW)",
                    "KANSO"
                ],
                "result":[
                    "silicate concentrations per seawatar mass",
                    "Column title SILCAT in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            },
            {
                "@type": "Action",
                "name": "Determination of ammonium",
                "actionStatus": "CompletedActionStatus",
                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
                "object":[
                    "Autoanalyzer",
                    "Carrier solution: Low nutrient sea water (LNSW)",
                    "KANSO"
                ],
                "result":[
                    "ammonium concentrations per seawatar mass",
                    "Column title NH4 in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            },
            {
                "@type": "Action",
                "name": "Determination of total dissolved inorganic carbon",
                "actionStatus": "CompletedActionStatus",
                "instrument": "UIC coulometer",
                "object":[
                    "Coulemetry",
                    "CRM"
                ],
                "result":[
                    "total dissolved inorganic carbon per seawatar mass",
                    "Column title TCARBN in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            },
            {
                "@type": "Action",
                "name": "Determination of total alkalinity",
                "actionStatus": "CompletedActionStatus",
                "instrument": "Nippon ANS",
                "object":[
                    "Spectrophotometric",
                    "CRM"
                ],
                "result":[
                    "total alkalinity per seawatar mass",
                    "Column title ALKALI in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100219/"
                ]
            }]
        }
    ]
}