Long-term summer sunshine/moisture stress reconstruction from tree-ring widths from Bosnia and Herzegovina

We present the first summer sunshine reconstruction from tree-ring data for the western part of the Balkan Peninsula. Summer sunshine is tightly connected with moisture stress in trees, because the moisture stress and therefore the width of annual tree-rings is under the influence of the direct and...

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Main Authors: S. Poljanšek, A. Ceglar, T. Levanič
Format: Article
Language:English
Published: Copernicus Publications 2013-01-01
Series:Climate of the Past
Online Access:http://www.clim-past.net/9/27/2013/cp-9-27-2013.pdf
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author S. Poljanšek
A. Ceglar
T. Levanič
author_facet S. Poljanšek
A. Ceglar
T. Levanič
author_sort S. Poljanšek
collection DOAJ
description We present the first summer sunshine reconstruction from tree-ring data for the western part of the Balkan Peninsula. Summer sunshine is tightly connected with moisture stress in trees, because the moisture stress and therefore the width of annual tree-rings is under the influence of the direct and interactive effects of sunshine duration (temperature, precipitation, cloud cover and evapotranspiration). The reconstruction is based on a calibrated z-scored mean chronology, calculated from tree-ring width measurements from 7 representative black pine (<i>Pinus nigra</i> Arnold) sites in Bosnia and Herzegovina (BiH). A combined regression and scaling approach was used for the reconstruction of the summer sunshine. We found a significant negative correlation (<i>r</i> = &minus;0.54, <i>p</i> < 0.0001) with mean June–July sunshine hours from Osijek meteorological station (Croatia). The developed model was used for reconstruction of summer sunshine for the time period 1660–2010. We identified extreme summer events and compared them to available documentary historical sources of drought, volcanic eruptions and other reconstructions from the broader region. All extreme summers with low sunshine hours (1712, 1810, 1815, 1843, 1899 and 1966) are connected with volcanic eruptions.
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spelling doaj.art-4e1fa7748eed4ce4a744b96dbcbebdcc2022-12-21T18:31:12ZengCopernicus PublicationsClimate of the Past1814-93241814-93322013-01-0191274010.5194/cp-9-27-2013Long-term summer sunshine/moisture stress reconstruction from tree-ring widths from Bosnia and HerzegovinaS. PoljanšekA. CeglarT. LevaničWe present the first summer sunshine reconstruction from tree-ring data for the western part of the Balkan Peninsula. Summer sunshine is tightly connected with moisture stress in trees, because the moisture stress and therefore the width of annual tree-rings is under the influence of the direct and interactive effects of sunshine duration (temperature, precipitation, cloud cover and evapotranspiration). The reconstruction is based on a calibrated z-scored mean chronology, calculated from tree-ring width measurements from 7 representative black pine (<i>Pinus nigra</i> Arnold) sites in Bosnia and Herzegovina (BiH). A combined regression and scaling approach was used for the reconstruction of the summer sunshine. We found a significant negative correlation (<i>r</i> = &minus;0.54, <i>p</i> < 0.0001) with mean June–July sunshine hours from Osijek meteorological station (Croatia). The developed model was used for reconstruction of summer sunshine for the time period 1660–2010. We identified extreme summer events and compared them to available documentary historical sources of drought, volcanic eruptions and other reconstructions from the broader region. All extreme summers with low sunshine hours (1712, 1810, 1815, 1843, 1899 and 1966) are connected with volcanic eruptions.http://www.clim-past.net/9/27/2013/cp-9-27-2013.pdf
spellingShingle S. Poljanšek
A. Ceglar
T. Levanič
Long-term summer sunshine/moisture stress reconstruction from tree-ring widths from Bosnia and Herzegovina
Climate of the Past
title Long-term summer sunshine/moisture stress reconstruction from tree-ring widths from Bosnia and Herzegovina
title_full Long-term summer sunshine/moisture stress reconstruction from tree-ring widths from Bosnia and Herzegovina
title_fullStr Long-term summer sunshine/moisture stress reconstruction from tree-ring widths from Bosnia and Herzegovina
title_full_unstemmed Long-term summer sunshine/moisture stress reconstruction from tree-ring widths from Bosnia and Herzegovina
title_short Long-term summer sunshine/moisture stress reconstruction from tree-ring widths from Bosnia and Herzegovina
title_sort long term summer sunshine moisture stress reconstruction from tree ring widths from bosnia and herzegovina
url http://www.clim-past.net/9/27/2013/cp-9-27-2013.pdf
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AT aceglar longtermsummersunshinemoisturestressreconstructionfromtreeringwidthsfrombosniaandherzegovina
AT tlevanic longtermsummersunshinemoisturestressreconstructionfromtreeringwidthsfrombosniaandherzegovina