Spatial variability of 2H and 18O composition of meteoric freshwater lakes in Scotland

Jurian Hoogewerff, Helen F. Kemp, Melanie J. Leng, Wolfram Meier-Augenstein

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Coastal regions, and in particular islands where precipitation from clouds formed out at sea occurs for the first time, are prime candidates for regions where 2H and 18O composition of precipitation will deviate significantly from the global mean geographic and physiographic trends of vapour-transport patterns. The results reported here are the outcome of a study that aimed to test this hypothesis by ‘isotopographically’ mapping the characteristic δ2H and δ18O signatures of Scottish freshwaters.
The resulting isotope abundance landscapes or ‘isoscapes' will underpin studies aiming to authenticate origin of Scottish produce but may also offer a baseline against which environmental changes could be assessed. Between April 2011 and May 2012 freshwater samples were collected from 127 different freshwater lochs and reservoirs across Scotland, and analysis results were compared to precipitation data provided by the British Geological Survey. Here we present the results of the 2H and 18O analyses of these water samples as well as the first detailed Scotland freshwater isoscapes with a grid resolution of about 5 × 5 km (0.05 degrees).
Original languageEnglish
Pages (from-to)237–253
Number of pages17
JournalIsotopes in Environmental and Health Studies
Volume55
Issue number3
DOIs
Publication statusPublished - 30 Apr 2019

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Geological surveys
Isotopes
Lakes
Vapors
Water
lake
Chemical analysis
geological survey
environmental change
isotope
water

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Hoogewerff, Jurian ; Kemp, Helen F. ; Leng, Melanie J. ; Meier-Augenstein, Wolfram. / Spatial variability of 2H and 18O composition of meteoric freshwater lakes in Scotland. In: Isotopes in Environmental and Health Studies. 2019 ; Vol. 55, No. 3. pp. 237–253.
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Spatial variability of 2H and 18O composition of meteoric freshwater lakes in Scotland. / Hoogewerff, Jurian; Kemp, Helen F.; Leng, Melanie J.; Meier-Augenstein, Wolfram.

In: Isotopes in Environmental and Health Studies, Vol. 55, No. 3, 30.04.2019, p. 237–253.

Research output: Contribution to journalArticle

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