Shelf Sea Biogeochemistry - CANDYFLOSS SmartBuoy

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Marine Environmental Data & Information Network
Last updated:
14 September 2024
Topic:
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Summary

This data set consists of biogeochemical sensor data from SmartBuoy moorings (Mills et al, 2005). SmartBuoys consist of a 4 meter tall stainless steel frame with a fibreglass torroid for buoyancy. Instruments are attached at a nominal 1 meter depth to the frame. In-air sensors are mounted to the top of the torroid. The buoys feature a satellite telemetry system providing near real-time telemetry. Temperature, salinity, dissolved oxygen, chlorophyll, fluorescence, turbidity and photosynthetic active radiation (PAR) sensors were fitted to a Cefas ESM2 data logger. These instruments gathered data for 5 minutes every 30 minutes. Sensors were validated against in-situ samples during deployment and recovery. The buoy was also fitted with a water sampler which took periodic samples into pre-spiked (HgCl2) bags for later nutrient analysis. The in-situ salinity and nutrients samples are quality controlled via the Quality Assurance for Marine Environmental Measurements (QUASIMEME) scheme.

PAR sensors were calibrated against a standard lamp.Fluorometers were standardised using fluorosphere beads.Turbidity meters were calibrated using Stabical (Hach, US).

This mooring was also fitted with a thermistor string (multiple temperature sensors at various depth), this data is held by BODC.

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Data links

Link to the data Format File added Data preview
Cefas Data Portal N/A 14 September 2024 Not available

Additional information

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Added to data.gov.uk
2024-09-13
Access contraints
Not specified
Harvest GUID
CEFASf95015d7-0ca6-4b60-879d-1cd61d30a9ab
Extent
Latitude: 49.50° to 49.25°
Longitude: -9.00° to -8.50°
Spatial reference system
Dataset reference date
2017-07-19 (publication)
2024-09-13 (revision)
2017-07-19 (creation)
Frequency of update
notPlanned
Responsible party
Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) (originator, custodian, distributor, owner); Department for Environment, Food and Rural Affairs (DEFRA) (owner)
ISO 19139 resource type
dataset
Metadata language
eng
Source Metadata
XML
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