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Formal report series, containing results of research and monitoring carried out by Marine Scotland Science

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UK Ocean Acidification Coastal Monitoring Network - Expanding the Network - Defra Contract C5801/ME5309

doi: 
10.7489/1482-1

Scottish Marine and Freshwater Science Vol 5 No 1

The OSPAR ICES Study Group on Ocean Acidification (SGOA) and the Global Ocean Acidification Observing Network (GOA-ON) have both identified the need for a commitment to long-term monitoring at sites in coastal and inshore waters to distinguish long-term anthropogenic signals from short-term spatial and temporal variability. 2. Limited monitoring of the changes in ocean acidification is undertaken in coastal waters around the UK. A short UK Integrated Marine Observing Network (UK-IMON) demonstration study was commissioned to monitor coastal waters for the first half of 2013 for the carbonate chemistry parameters, Total Alkalinity (TA) and Dissolved inorganic carbon (DIC). 3. The project was divided into two distinct parts, namely a preliminary feasibility study, to examine the use of moored water samplers to collect water samples for the analysis of dissolved inorganic carbon (DIC), and discrete sampling at various locations around the UK for Total Alkalinty (TA) and DIC analysis. 4. Automated water samplers deployed on existing instrumented moorings may provide a cost effective means of collecting water samples for monitoring ocean acidification in coastal waters and a preliminary assessment of the utility of an automated water sampler for monitoring DIC was undertaken. A small but statistically significant difference was found between the concentrations of DIC measured in water samples collected simultaneously using an automated water sampler and rosette samples. At the present time it is not possible to determine whether this difference is due to the way samples are collected by the automated sampler or small differences in the way the two sets of samples were processed. 5. The authors recommend that a further, more detailed comparison should be undertaken to include a moored sampler with sample preservation. The introduction of a procedure to minimise aeration of samples during processing and filtration, together with any effect of long-term (weeks) storage of samples (during automated sampler deployment) on sample integrity should also be investigated.

Citation: 
Walsham, P., Engelke, C., Gowen, R., Greenwood, N., Hartman, S., Kivimae, C., Pearce, D., Stewart, B., Webster, L. 2014. UK Ocean Acidification Coastal Monitoring Network - Expanding the Network - Defra Contract C5801/ME5309. Scottish Marine and Freshwater Science 5(1). Edinbuirgh: Scottish Government. 29pp. DOI: 10.7489/1482-1

Dataset Info

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FieldValue
Publisher
Modified Date
2016-10-17
Release Date
2014-10-06
Identifier
f7d34c2b-71e1-4dfb-9d70-532b15728388
Spatial / Geographical Coverage Location
Scotland
Temporal Coverage
Tuesday, January 1, 2013 - 00:00 to Saturday, August 31, 2013 - 00:00
License
UK Open Government Licence (OGL)
Author
Walsham, Pamela
Data Dictionary

Limited monitoring of the changes in ocean acidification is undertaken in coastal waters around the UK. The UK Ocean Acidification Programme (UKOA) funded a baseline study of carbonate chemistry parameters in UK waters, which included monitoring at the Cefas SmartBuoy sites over a 3 year period. It was agreed that additional monitoring would be undertaken for a short period in 2013 as a UK-IMON demonstration study. The project was divided into two distinct parts, firstly a preliminary feasibility study to examine the use of moored water samplers to collect water samples for the analysis of dissolved inorganic carbon (DIC) and secondly discrete sampling for TA and DIC analysis at five locations around the UK.

Contact Name
Marine Scotland Science Enquiries
Contact Email
Public Access Level
Public