{
    "@context": {
        "@vocab": "https://schema.org/"
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    "@type": "EventSeries",
    "@id": "https://github.com/NmdWork/METS-RCN/blob/main/Examples/Events/k2-event.json",
    "name": "K2 Niskin Bottles",
    "description":"Hydrographic measuremenst at the Kyodo North Pacific Ocean Time-series station (K2). The scientific focus of the program at K2 is the seasonal carbon cycle.",
    "url": "",
    "keywords": [
        "K2",
        "hydrography",
        "biogeochemical",
        "Niskin"
    ],
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    "endDate": "2012-12-31T00:00:00Z",
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        "@type": "Place",
        "description": "Western north Pacific Ocean subtropical gyre",
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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/0100115/",
            "identifier": "https://doi.org/10.25921/mpfz-sv16",
            "description": "Waikita et al. (2012) Carbon dioxide, temperature, salinity and other variables collected via time series profile monitoring from Kairei, MIRAI and NATSUSHIMA in the North Pacific Oceanto from 1999-05-28 to 2012-06-11",
            "provider": [
                {
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                    "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"
                },
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                    "identifier": "https://orcid.org/0000-0002-3333-0546",
                    "legalName": "Masahide Wakita",
                    "name": "Masahide Wakita"
                },
                {
                    "@type": "Organization",
                    "identifier": "https://oceanexpert.org/institution/17596",
                    "legalName": "NOAA NESDIS National Centers for Environmental Information",
                    "name": "NCEI",
                    "url": "https://www.ncei.noaa.gov/"
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    ],
    "citation": [
        "https://www.jamstec.go.jp/egcr/e/oal/k2s1.html"
    ],
    "contributor": [
        "Masahide Waikita",
        "Shuichi Watanabe",
        "Akihiko Murata",
        "Makio Honda"
    ],   
    "subevent": [
        {
            "@type": "Event",
            "name": "KA99-01",
            "description": "Station visit 1: Hydrographic measurements at K2 station",
            "instrument": ["R/V Kaiyo Maru"],
            "startDate": "1999-05-28T00:00:00Z",
            "endDate": "1999-05-29T00:00:00Z",
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            },
            "potentialAction": [{
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                "name": "Determination of bottle salinity",
                "actionStatus": "CompletedActionStatus",
                "instrument": "Guildline Autosal 8400B",
                "object":[
                    "Autosal",
                    "Standard:OSIL"
                ],
                "result":[
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                ]
            },
            {
                "@type": "Action",
                "name": "Determination of bottle oxygen",
                "actionStatus": "CompletedActionStatus",
                "instrument": "Metrohm 751 GPD Titrino",
                "object":[
                    "Winkler",
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                    "Carpenter",
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                    "CSK"
                ],
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                ]
            },
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                "@type": "Action",
                "name": "Determination of nitrate",
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                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
                "object":[
                    "Autoanalyzer",
                    "Carrier solution: Low nutrient sea water (LNSW)"
                ],
                "result":[
                    "nitrate concentrations per seawatar mass",
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                ]
            },
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                "name": "Determination of phosphate",
                "actionStatus": "CompletedActionStatus",
                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
                "object":[
                    "Autoanalyzer",
                    "Carrier solution: Low nutrient sea water (LNSW)"
                ],
                "result":[
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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)"
                ],
                "result":[
                    "silicate concentrations per seawatar mass",
                    "Column title SILCAT in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100115/"
                ]
            },
            {
                "@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":[
                    "Titration: Improved single endpoint"
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                "result":[
                    "total alkalinity per seawatar mass",
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                ]
            }]
        },
        {
            "@type": "Event",
            "name": "MR01-K03, MR01-K04, MR02-K05, MR03-K01, NT03-07, MR04-02, NT04-05, MR04-04, MR04-06, MR05-01, MR05-04, MR06-03",
            "description": "Station visit 2 until 12: Hydrographic measurements at K2 station",
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            "startDate": "2001-06-10T00:00:00Z",
            "endDate": "2006-07-16T00:00:00Z",
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                "name": "K2",
                "@type": "Place",
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            "organizer": [
                "Shuichi Watanabe",
                "Susumu Honjo",
                "Akihiko Murata",
                "Koji Shimada",
                "Hajime Kawakami",
                "Makio Honda",
                "Hajime Kawakami"
            ],
            "potentialAction": [{
                "@type": "Action",
                "name": "Determination of bottle salinity",
                "actionStatus": "CompletedActionStatus",
                "instrument": "Guildline Autosal 8400B",
                "object":[
                    "Autosal",
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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",
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                    "CSK"
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                ]
            },
            {
                "@type": "Action",
                "name": "Determination of nitrate",
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                    "Carrier solution: Low nutrient sea water (LNSW)"
                ],
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                    "nitrate concentrations per seawatar mass",
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                ]
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                "object":[
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                    "Carrier solution: Low nutrient sea water (LNSW)"
                ],
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                    "phosphate concentrations per seawatar mass",
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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)"
                ],
                "result":[
                    "silicate concentrations per seawatar mass",
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                ]
            },
            {
                "@type": "Action",
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                "instrument": "QuAAtro Continous Flow Autonalyzer (Bran Luebbe)",
                "object":[
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                    "Carrier solution: Low nutrient sea water (LNSW)"
                ],
                "result":[
                    "ammonium concentrations per seawatar mass",
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                ]
            },
            {
                "@type": "Action",
                "name": "Determination of total dissolved inorganic carbon",
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                "object":[
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                "result":[
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                ]
            },
            {
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                "name": "Determination of total alkalinity",
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                "object":[
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                "result":[
                    "total alkalinity per seawatar mass",
                    "Column title ALKALI in https://www.ncei.noaa.gov/data/oceans/ncei/ocads/data/0100115/"
                ]
            }]
        },
        {
            "@type": "Event",
            "name": "MR07-05, MR08-05, MR10-01, MR10-06, MR11-02, MR11-03, MR11-05, MR12-02",
            "description": "Station visit 13 until 21: Hydrographic measurements at K2 station",
            "instrument": ["R/V Mirai"],
            "startDate": "2007-09-11T00:00:00Z",
            "endDate": "2012-06-11T00:00:00Z",
            "location": {
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                "@type": "Place",
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                "instrument": "Guildline Autosal 8400B",
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                "result":[
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                ]
            },
            {
                "@type": "Action",
                "name": "Determination of bottle oxygen",
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                "object":[
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                    "Carpenter",
                    "Draw Temperature",
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                "result":[
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                ]
            },
            {
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                    "nitrate concentrations per seawatar mass",
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                ]
            },
            {
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                "name": "Determination of phosphate",
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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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                "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 ammonium",
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                "result":[
                    "ammonium concentrations per seawatar mass",
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                ]
            },
            {
                "@type": "Action",
                "name": "Determination of total dissolved inorganic carbon",
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                "instrument": "UIC coulometer",
                "object":[
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                "result":[
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                ]
            },
            {
                "@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/0100115/"
                ]
            }]
        }
    ]
}