Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/22636
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dc.contributor.authorTurner, T Edward-
dc.contributor.authorBillett, Michael-
dc.contributor.authorBaird, Andrew J-
dc.contributor.authorChapman, Pippa J-
dc.contributor.authorDinsmore, Kerry J-
dc.contributor.authorHolden, Joseph-
dc.date.accessioned2016-02-27T00:00:47Z-
dc.date.issued2016-03-01-
dc.identifier.urihttp://hdl.handle.net/1893/22636-
dc.description.abstractNatural open-water pools are a common feature of northern peatlands and are known to be an important source of atmospheric methane (CH4). Pool environmental variables, particularly water chemistry, vegetation community and physical characteristics, have the potential to exert strong controls on carbon cycling in pools. A total of 66 peatland pools were studied across three regions of the UK (northern Scotland, south-west Scotland, and Northern Ireland). We found that within-region variability of pool water chemistry was low; however, for many pool variables measured there were significant differences between regions. PCA analysis showed that pools in SW Scotland were strongly associated with greater vegetative cover and shallower water depth which is likely to increase dissolved organic carbon (DOC) mineralisation rates, whereas pools in N Scotland were more open and deeper. Pool water DOC, particulate organic carbon and dissolved CH4concentrations were significantly different between regions. Pools in Northern Ireland had the highest concentrations of DOC (mean=14.5mgL−1) and CH4(mean=20.6μgCL−1). Chloride and sulphate concentrations were significantly higher in the pools in N Scotland (mean values 26.3 and 2.40mgL−1, respectively) than elsewhere, due to a stronger marine influence. The ratio of UV absorbance at 465nm to absorbance at 665nm for pools in Northern Ireland indicated that DOC was sourced from poorly humified peat, potentially increasing the bioavailability and mineralisation of organic carbon in pools compared to the pools elsewhere. This study, which specifically aims to address a lack of basic biogeochemical knowledge about pool water chemistry, clearly shows that peatland pools are highly regionally variable. This is likely to be a reflection of significant regional-scale differences in peatland C cycling.en_UK
dc.language.isoen-
dc.publisherElsevier-
dc.relationTurner TE, Billett M, Baird AJ, Chapman PJ, Dinsmore KJ & Holden J (2016) Regional variation in the biogeochemical and physical characteristics of natural peatland pools, Science of the Total Environment, 545-546, pp. 84-94.-
dc.rightsThe publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.-
dc.subjectPeatlandsen_UK
dc.subjectPoolsen_UK
dc.subjectCarbonen_UK
dc.subjectDOCen_UK
dc.subjectWater chemistryen_UK
dc.subjectBiogeochemistryen_UK
dc.subjectSpatial distributionen_UK
dc.titleRegional variation in the biogeochemical and physical characteristics of natural peatland poolsen_UK
dc.typeJournal Articleen_UK
dc.rights.embargodate2999-12-31T00:00:00Z-
dc.rights.embargoreasonThe publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.-
dc.identifier.doihttp://dx.doi.org/10.1016/j.scitotenv.2015.12.101-
dc.identifier.pmid26745296-
dc.citation.jtitleScience of the Total Environment-
dc.citation.issn0048-9697-
dc.citation.volume545-546-
dc.citation.spage84-
dc.citation.epage94-
dc.citation.publicationstatusPublished-
dc.citation.peerreviewedRefereed-
dc.type.statusPublisher version (final published refereed version)-
dc.author.emailm.f.billett@stir.ac.uk-
dc.citation.date31/12/2016-
dc.contributor.affiliationUniversity of Leeds-
dc.contributor.affiliationBiological and Environmental Sciences-
dc.contributor.affiliationUniversity of Leeds-
dc.contributor.affiliationUniversity of Leeds-
dc.contributor.affiliationCentre for Ecology & Hydrology (CEH)-
dc.contributor.affiliationUniversity of Leeds-
dc.rights.embargoterms2999-12-31-
dc.rights.embargoliftdate2999-12-31-
dc.identifier.isi000369493000010-
Appears in Collections:Biological and Environmental Sciences Journal Articles

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