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Stable oxygen isotopes in Romanian oak tree rings record summer droughts and associated large-scale circulation patterns over Europe / Viorica Nagavciuc; Monica Ionita; Aurel Perșoiu; Ionel Popa; Neil Loader; Danny McCarroll
Climate Dynamics, Pages: 1 - 12
Swansea University Authors: Neil, Loader, Danny, McCarroll
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DOI (Published version): 10.1007/s00382-018-4530-7
Abstract
We present the first annual oxygen isotope record (1900 – 2016) from the latewood (LW) cellulose of oak trees (Quercus robur) from NW Romania. As expected, the results correlate negatively with summer relative humidity, sunshine duration and precipitation and positively with summer maximum temperatu...
| Published in: | Climate Dynamics |
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| ISSN: | 0930-7575 1432-0894 |
| Published: |
Berlin
Springer
2018
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa46055 |
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| Abstract: |
We present the first annual oxygen isotope record (1900 – 2016) from the latewood (LW) cellulose of oak trees (Quercus robur) from NW Romania. As expected, the results correlate negatively with summer relative humidity, sunshine duration and precipitation and positively with summer maximum temperature. Spatial correlation analysis reveals a clear signal reflecting drought conditions at a European scale. Interannual variability is influenced by large-scale atmospheric circulation and by surface temperatures in the North Atlantic Ocean and the Mediterranean Sea. There is considerable potential to produce long and well-replicated oak tree ring stable isotope chronologies in Romania which would allow reconstructions of both regional drought and large-scale circulation variability over southern and central Europe. |
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| Keywords: |
Oak, δ18O, Relative Humidity, Dendrochronology, Atmospheric circulation |
| College: |
College of Science |
| Start Page: |
1 |
| End Page: |
12 |