Simulating the impacts of distal volcanic products upon peatlands in northern Britain: an experimental study on the Moss of Achnacree, Scotland

Payne, Richard J.; Blackford, J.J.

doi:10.1016/j.jas.2005.02.001

Cited by 23 publications

(18 citation statements)

References 60 publications

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“…In Strath of Kildonan-K1, the tephra profile is rather diffuse, with the most distinct changes (replacement of Coryloid by Cyperaceae pollen) occurring below the tephra peak and therefore not identified as being related to tephra deposition in our analyses. At Loch Lèir, although there is a rise in Cyperaceae and decline in Pinus broadly coincident with the tephra layer, larger changes in these taxa are slightly offset (c. 10 mm) from the tephra peak, although tephra mobility in the upper part of a peat profile is a possibility (Payne et al 2005). We suggest that these records do not provide strong evidence for volcanic impacts.…”

Section: Discussionmentioning

confidence: 73%

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Volcanic impacts on the Holocene vegetation history of Britain and Ireland? A review and meta-analysis of the pollen evidence

Payne

Edwards

Blackford

2012

Veget Hist Archaeobot

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Volcanic ash layers show that the products of Icelandic volcanism reached Britain and Ireland many times during the Holocene. Historical records suggest that at least one eruption, that of Laki in AD 1783, was associated with impacts on vegetation. These results raise the question: did Icelandic volcanism affect the Holocene vegetation history of Britain and Ireland? Several studies have used pollen data to address this issue but no clear consensus has been reached. We re-analyse the palynological data using constrained ordination with various representations of potential volcanic impacts. We find that the palynological evidence for volcanic impacts on vegetation is weak but suggest that this is a case of absence of evidence and is not necessarily evidence of absence. To increase the chances of identifying volcanic impacts, future studies need to maximise temporal resolution, replicate results, and investigate a greater number of tephras in a broader range of locations, including more studies from lake sediments.

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Section: Discussionmentioning

confidence: 73%

“…Payne and Blackford (2005) tested the deposition scenario proposed by Grattan at al. (1999) for peatlands in Ireland and found no detectable changes in peatland plant communities.…”

Section: Volcanic Impacts and Critical Loadsmentioning

confidence: 99%

Volcanic impacts on the Holocene vegetation history of Britain and Ireland? A review and meta-analysis of the pollen evidence

Payne

Edwards

Blackford

2012

Veget Hist Archaeobot

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“…There is also the problem of possible downward migration of shards in cores (Payne et al . ; Payne & Blackford ; Davies et al . ; Payne & Gehrels ), which can further complicate isochron determination.…”

Section: Discussionmentioning

confidence: 99%

Revisiting the Borrobol Tephra

Lind

Lilja

Wastegård

et al. 2016

Boreas

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The Borrobol Tephra has been identified as one of the key tephra horizons for the Lateglacial time period but it also exemplifies many of the promises and problems of tephrochronology. Additional horizons with similar major element composition and approximately the same age have been identified around the North Atlantic region. Here, we revisit the Borrobol Tephra identified at two Swedish sites, H?sseldala port and Skallahult, and also the Borrobol type-site in Scotland. We present the first set of minor element data (trace and rare earth analyses) along with new analyses of major elements from these three sites. The analysed minor and the trace elements have a similar signature; however, the glass from the Scottish type-site seems to imply two populations. To answer if this truly represents two populations, or if it reflects magmatic differentiation additional and larger data sets of minor elements are needed. The new major elements are compared to other Borrobol-type tephras identified in the North Atlantic region. Our results are in line with earlier investigations, which showed no differences in major elements. Further, comparison of minor elements from glass analyses from our sites with those for eruptions associated with Icelandic central volcanoes implies an Icelandic origin for the Borrobol-type tephras.Peer reviewe

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“…Richard was an all‐round environmental scientist, but tephrochronology was one of his passions. He used tephras extensively in his PhD studies in Alaska (2002–2006) under the supervision of JJB at Queen Mary, University of London (Payne and Blackford, ; Payne et al ., ), and applied his tephra expertise to novel experimental studies in Britain, while still completing his PhD thesis (Payne and Blackford, ; Payne et al . ).…”

Section: Richard's Contributions To Tephra Studiesmentioning

confidence: 99%