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    "identifier": "CEFASc7fa9f9d-5320-4777-a978-fd6ae9673a7e",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=CEFASc7fa9f9d-5320-4777-a978-fd6ae9673a7e",
    "name": "Shelf Sea Biogeochemistry - Celtic Deep 2 SmartBuoy",
    "description": "This data set consists of biogeochemical sensor data from SmartBuoy moorings \r\n(Mills et al, 2005). SmartBuoys consist of a 4 meter tall stainless steel \r\nframe with a fibreglass torroid for buoyancy. Instruments are attached at a \r\nnominal 1 meter depth to the frame. In-air sensors are mounted to the top of \r\nthe torroid. The buoys feature a satellite telemetry system providing near \r\nreal-time telemetry. Temperature, salinity, dissolved oxygen, chlorophyll \r\nfluorescence, turbidity and photosynthetic active radiation (PAR) sensors \r\nwhere fitted to a Cefas ESM2 data logger. These instruments gathered data for \r\n5 minutes every 30 minutes. Sensors were validated against in-situ samples \r\nduring deployment and recovery. The buoy was also fitted with a water sampler \r\nwhich took periodic samples into pre-spiked (MgCl2) bags for later nutrient \r\nanalysis. The in-situ salinity and nutrients samples are quality controlled \r\nvia the Quality Assurance for Marine Environmental Measurements (QUASIMEME) \r\nscheme. PAR sensors were calibrated against a standard lamp. Fluorometers were \r\nstandardised using fluorosphere beads. Turbidity meters were calibrated using \r\nStabical (Hach, US). This mooring was also fitted with a thermistor string \r\n(multiple temperature sensors at various depth), this data is held by BODC. \r\nThe data were collected as part of the Shelf Sea Biogeochemistry (SSB) \r\nresearch programme as part work package 2. SSB was co-funded by the Natural \r\nEnvironment Research Council (NERC) and the Department for Environment, Food \r\nand Rural Affairs (Defra). The programme took a holistic approach to the \r\ncycling of nutrients and carbon and the controls on primary and secondary \r\nproduction in UK and European shelf seas, to increase understanding of these \r\nprocesses and their role in wider biogeochemical cycles. This data represents \r\na snapshot of the wider Celtic Deep 2 SmartBuoy. The Celtic Deep SmartBuoy was \r\nfirst deployed in 2009 under the Defra E5304 project. From 2014 the mooring \r\nwas maintained under the SSB project. This mooring was also fitted with a \r\nthermistor string (multiple temperature sensors at various depth), this data \r\nis held by BODC.",
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            "description": "The Cefas Data Portal contains metadata records and data sets available to download and connect to in support of our commitment to open science. Data is available in the following formats: Binary download, CSV, ESRI Shapefile. The data can also be accessed via the WFS and WMS protocols.",
            "contentUrl": "https://data.cefas.co.uk/view/18641"
        }
    ],
    "temporalCoverage": "2014-03-23/2015-08-15",
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        "description": "The MEDIN portal contains information about 19493 marine datasets from over 600 UK organisations. Metadata are an enduring resource and contact details are publicly available for a long time. \r\n\t\tPlease contact us (enquiries@medin.org.uk) if you find your contact details on the MEDIN portal and do not consent to this. \r\n\t\tYou can now use our GitHub repository to report issues or access related documents. Metadata records are updated daily and were last updated 2026-04-19. Record deletion takes place weekly and the latest occurred 2026-04-12."
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