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Runoff events and related rainfall variability in the Southern Carpathians during the last 2000 years

Runoff events and related rainfall variability in the Southern Carpathians during the last 2000 years
Runoff events and related rainfall variability in the Southern Carpathians during the last 2000 years

The occurrence of heavy rainfall events is expected to undergo significant changes under increasing anthropogenic forcing. South-eastern Europe is reacting rapidly to such changes, therefore understanding and forecasting of precipitation variability is vital to better comprehending environmental changes in this area. Here we present a sub-decadal reconstruction of enhanced rainfall events for the past 2000 years from the Southern Carpathians, Romania using peat geochemistry. Five clear periods of enhanced rainfall are identified at 125–250, 600–900, 1050–1300, 1400–1575 and 1725–1980 CE. Significant runoff is observed during the second half of the Medieval Warm Period, whilst the Little Ice Age was characterised by significant variability. The North Atlantic Oscillation appears to be the main control on regional precipitation, but changes in solar irradiance also seem to play a significant role, together with the Siberian High. Comparison of the data presented here with model outputs confirms the ability of models to predict general trends, and major shifts, but highlights the complexity of the region’s hydrological history.

2045-2322
1-14
Longman, Jack
26a3c4e3-79d6-4102-9708-a5b02b97121d
Veres, Daniel
67b7de50-1043-4bfb-a5df-bc87feeefc63
Ersek, Vasile
d6247272-dbeb-4449-9eca-bb1a4a75a9ca
Haliuc, Aritina
0b708420-2cec-4d12-8558-ad7b03e7cd0f
Wennrich, Volker
088f17e4-4a2e-455c-b5f0-e1de2788884f
Longman, Jack
26a3c4e3-79d6-4102-9708-a5b02b97121d
Veres, Daniel
67b7de50-1043-4bfb-a5df-bc87feeefc63
Ersek, Vasile
d6247272-dbeb-4449-9eca-bb1a4a75a9ca
Haliuc, Aritina
0b708420-2cec-4d12-8558-ad7b03e7cd0f
Wennrich, Volker
088f17e4-4a2e-455c-b5f0-e1de2788884f

Longman, Jack, Veres, Daniel, Ersek, Vasile, Haliuc, Aritina and Wennrich, Volker (2019) Runoff events and related rainfall variability in the Southern Carpathians during the last 2000 years. Scientific Reports, 9 (1), 1-14, [5334]. (doi:10.1038/s41598-019-41855-1).

Record type: Article

Abstract

The occurrence of heavy rainfall events is expected to undergo significant changes under increasing anthropogenic forcing. South-eastern Europe is reacting rapidly to such changes, therefore understanding and forecasting of precipitation variability is vital to better comprehending environmental changes in this area. Here we present a sub-decadal reconstruction of enhanced rainfall events for the past 2000 years from the Southern Carpathians, Romania using peat geochemistry. Five clear periods of enhanced rainfall are identified at 125–250, 600–900, 1050–1300, 1400–1575 and 1725–1980 CE. Significant runoff is observed during the second half of the Medieval Warm Period, whilst the Little Ice Age was characterised by significant variability. The North Atlantic Oscillation appears to be the main control on regional precipitation, but changes in solar irradiance also seem to play a significant role, together with the Siberian High. Comparison of the data presented here with model outputs confirms the ability of models to predict general trends, and major shifts, but highlights the complexity of the region’s hydrological history.

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s41598-019-41855-1 - Version of Record
Available under License Creative Commons Attribution.
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More information

Accepted/In Press date: 15 March 2019
e-pub ahead of print date: 29 March 2019

Identifiers

Local EPrints ID: 430433
URI: http://eprints.soton.ac.uk/id/eprint/430433
ISSN: 2045-2322
PURE UUID: fa61135d-f8b6-44b4-8f08-f1001c160e2b

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Date deposited: 01 May 2019 16:30
Last modified: 07 Oct 2020 00:52

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