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8 results on '"Szychowska-Krapiec, E."'

1. Recent human-induced atmospheric drying across Europe unprecedented in the last 400 years

Author

Treydte, K., Liu, L., Padrón, R.S., Martínez-Sancho, E., Babst, F., Frank, D.C., Gessler, A., Kahmen, A., Poulter, B., Seneviratne, S.I., Stegehuis, A.I., Wilson, R., Andreu-Hayles, L., Bale, R., Bednarz, Z., Boettger, Tatjana, Berninger, F., Büntgen, U., Daux, V., Dorado-Liñán, I., Esper, J., Friedrich, M., Gagen, M., Grabner, M., Grudd, H., Gunnarsson, B.E., Gutiérrez, E., Hafner, P., Haupt, Marika, Hilasvuori, E., Heinrich, I., Helle, G., Jalkanen, R., Jungner, H., Kalela-Brundin, M., Kessler, A., Kirchhefer, A., Klesse, S., Krapiec, M., Levanič, T., Leuenberger, M., Linderholm, H.W., McCarroll, D., Masson-Delmotte, V., Pawelczyk, S., Pazdur, A., Planells, O., Pukiene, R., Rinne-Garmston, K.T., Robertson, I., Saracino, A., Saurer, M., Schleser, G.H., Seftigen, K., Siegwolf, R.T.W., Sonninen, E., Stievenard, M., Szychowska-Krapiec, E., Szymaszek, M., Todaro, L., Waterhouse, J.S., Weigl-Kuska, M., Weigt, R.B., Wimmer, R., Woodley, E.J., Vitas, A., Young, G., Loader, N.J., Treydte, K., Liu, L., Padrón, R.S., Martínez-Sancho, E., Babst, F., Frank, D.C., Gessler, A., Kahmen, A., Poulter, B., Seneviratne, S.I., Stegehuis, A.I., Wilson, R., Andreu-Hayles, L., Bale, R., Bednarz, Z., Boettger, Tatjana, Berninger, F., Büntgen, U., Daux, V., Dorado-Liñán, I., Esper, J., Friedrich, M., Gagen, M., Grabner, M., Grudd, H., Gunnarsson, B.E., Gutiérrez, E., Hafner, P., Haupt, Marika, Hilasvuori, E., Heinrich, I., Helle, G., Jalkanen, R., Jungner, H., Kalela-Brundin, M., Kessler, A., Kirchhefer, A., Klesse, S., Krapiec, M., Levanič, T., Leuenberger, M., Linderholm, H.W., McCarroll, D., Masson-Delmotte, V., Pawelczyk, S., Pazdur, A., Planells, O., Pukiene, R., Rinne-Garmston, K.T., Robertson, I., Saracino, A., Saurer, M., Schleser, G.H., Seftigen, K., Siegwolf, R.T.W., Sonninen, E., Stievenard, M., Szychowska-Krapiec, E., Szymaszek, M., Todaro, L., Waterhouse, J.S., Weigl-Kuska, M., Weigt, R.B., Wimmer, R., Woodley, E.J., Vitas, A., Young, G., and Loader, N.J.

Abstract

The vapor pressure deficit reflects the difference between how much moisture the atmosphere could and actually does hold, a factor that fundamentally affects evapotranspiration, ecosystem functioning, and vegetation carbon uptake. Its spatial variability and long-term trends under natural versus human-influenced climate are poorly known despite being essential for predicting future effects on natural ecosystems and human societies such as crop yield, wildfires, and health. Here we combine regionally distinct reconstructions of pre-industrial summer vapor pressure deficit variability from Europe’s largest oxygen-isotope network of tree-ring cellulose with observational records and Earth system model simulations with and without human forcing included. We demonstrate that an intensification of atmospheric drying during the recent decades across different European target regions is unprecedented in a pre-industrial context and that it is attributed to human influence with more than 98% probability. The magnitude of this trend is largest in Western and Central Europe, the Alps and Pyrenees region, and the smallest in southern Fennoscandia. In view of the extreme drought and compound events of the recent years, further atmospheric drying poses an enhanced risk to vegetation, specifically in the densely populated areas of the European temperate lowlands.

Published
2023

2. Spatio‐temporal patterns of tree growth as related to carbon isotope fractionation in European forests under changing climate

Author

Shestakova, T.A., Voltas, J., Saurer, M., Berninger, F., Esper, J., Andreu‐Hayles, L., Daux, V., Helle, G., Leuenberger, M., Loader, N.J., Masson-Delmotte, V., Saracino, A., Waterhouse, J.S., Schleser, G.H., Bednarz, Z., Boettger, Tatjana, Dorado‐Liñán, I., Filot, M., Frank, D., Grabner, M., Haupt, Marika, Hilasvuori, E., Jungner, H., Kalela-Brundin, M., Krąpiec, M., Marah, H., Pawełczyk, S., Pazdur, A., Pierre, M., Planells, O., Pukienė, R., Reynolds‐Henne, C.E., Rinne‐Garmston, K.T., Rita, A., Sonninen, E., Stiévenard, M., Switsur, V.R., Szychowska‐Kra̧piec, E., Szymaszek, M., Todaro, L., Treydte, K., Vitas, A., Weigl, M., Wimmer, R., Gutiérrez, E., Shestakova, T.A., Voltas, J., Saurer, M., Berninger, F., Esper, J., Andreu‐Hayles, L., Daux, V., Helle, G., Leuenberger, M., Loader, N.J., Masson-Delmotte, V., Saracino, A., Waterhouse, J.S., Schleser, G.H., Bednarz, Z., Boettger, Tatjana, Dorado‐Liñán, I., Filot, M., Frank, D., Grabner, M., Haupt, Marika, Hilasvuori, E., Jungner, H., Kalela-Brundin, M., Krąpiec, M., Marah, H., Pawełczyk, S., Pazdur, A., Pierre, M., Planells, O., Pukienė, R., Reynolds‐Henne, C.E., Rinne‐Garmston, K.T., Rita, A., Sonninen, E., Stiévenard, M., Switsur, V.R., Szychowska‐Kra̧piec, E., Szymaszek, M., Todaro, L., Treydte, K., Vitas, A., Weigl, M., Wimmer, R., and Gutiérrez, E.

Published
2019

3. Water-use efficiency and transpiration across European forests during the Anthropocene

Author

Frank, D.C., Poulter, B., Saurer, M., Esper, J., Huntingford, C., Helle, G., Treydte, K., Zimmermann, N.E., Schleser, G.H., Ahlström, A., Ciais, P., Friedlingstein, P., Levis, S., Lomas, M., Sitch, S., Viovy, N., Andreu-Hayles, L., Bednarz, Z., Berninger, F., Boettger, Tatjana, D‘Alessandro, C.M., Daux, V., Filot, M., Grabner, M., Gutierrez, E., Haupt, Marika, Hilasvuori, E., Jungner, H., Kalela-Brundin, M., Krapiec, M., Leuenberger, M., Loader, N.J., Marah, H., Masson-Delmotte, V., Pazdur, A., Pawelczyk, S., Pierre, M., Planells, O., Pukiene, R., Reynolds-Henne, C.E., Rinne, K.T., Saracino, A., Sonninen, E., Stievenard, M., Switsur, V.R., Szczepanek, M., Szychowska-Krapiec, E., Todaro, L., Waterhouse, J.S., Weigl, M., Frank, D.C., Poulter, B., Saurer, M., Esper, J., Huntingford, C., Helle, G., Treydte, K., Zimmermann, N.E., Schleser, G.H., Ahlström, A., Ciais, P., Friedlingstein, P., Levis, S., Lomas, M., Sitch, S., Viovy, N., Andreu-Hayles, L., Bednarz, Z., Berninger, F., Boettger, Tatjana, D‘Alessandro, C.M., Daux, V., Filot, M., Grabner, M., Gutierrez, E., Haupt, Marika, Hilasvuori, E., Jungner, H., Kalela-Brundin, M., Krapiec, M., Leuenberger, M., Loader, N.J., Marah, H., Masson-Delmotte, V., Pazdur, A., Pawelczyk, S., Pierre, M., Planells, O., Pukiene, R., Reynolds-Henne, C.E., Rinne, K.T., Saracino, A., Sonninen, E., Stievenard, M., Switsur, V.R., Szczepanek, M., Szychowska-Krapiec, E., Todaro, L., Waterhouse, J.S., and Weigl, M.

Published
2015

4. Signal strength and climate calibration of a European tree-ring isotope network

Author

Treydte, K., Frank, D., Esper, J., Andreu, L., Bednarz, Z., Berninger, F., Böttger, Tatjana, D'Alessandro, C.M., Etien, N., Filot, M., Grabner, M., Guillemin, M.T., Gutierrez, E., Haupt, Marika, Helle, G., Hilasvuori, E., Jungner, H., Kalela-Brundin, M., Krapiec, M., Leuenberger, M., Loader, N.J., Masson-Delmotte, V., Pazdur, A., Pawelczyk, S., Pierre, M., Planells, O., Pukiene, R., Reynolds-Henne, C.E., Rinne, K.T., Saracino, A., Saurer, M., Sonninen, E., Stievenard, M., Switsur, V.R., Szczepanek, M., Szychowska-Krapiec, E., Todaro, L., Waterhouse, J.S., Weigl, M., Schleser, G.H., Treydte, K., Frank, D., Esper, J., Andreu, L., Bednarz, Z., Berninger, F., Böttger, Tatjana, D'Alessandro, C.M., Etien, N., Filot, M., Grabner, M., Guillemin, M.T., Gutierrez, E., Haupt, Marika, Helle, G., Hilasvuori, E., Jungner, H., Kalela-Brundin, M., Krapiec, M., Leuenberger, M., Loader, N.J., Masson-Delmotte, V., Pazdur, A., Pawelczyk, S., Pierre, M., Planells, O., Pukiene, R., Reynolds-Henne, C.E., Rinne, K.T., Saracino, A., Saurer, M., Sonninen, E., Stievenard, M., Switsur, V.R., Szczepanek, M., Szychowska-Krapiec, E., Todaro, L., Waterhouse, J.S., Weigl, M., and Schleser, G.H.

Abstract

We present the first European network of tree ring d 13C and d 18O, containing 23 sites from Finland to Morocco. Common climate signals are found over broad climatic-ecological ranges. In temperate regions we find positive correlations with summer maximum temperatures and negative correlations with summer precipitation and Palmer Drought Severity Indices (PDSI) with no obvious species-specific differences. Regional d 13C and d 18O chronologies share high common variance in year-to-year variations. Long-term variations, however, exhibit differences that may reflect spatial variability in environmental forcings, age trends and/or plant physiological responses to increasing atmospheric CO2 concentration. Rotated principal component analysis (RPCA) and climate field correlations enable the identification of four sub-regions in the d 18O network - northern and eastern Central Europe, Scandinavia and the western Mediterranean. Regional patterns in the d 13C network are less clear and are timescale dependent. Our results indicate that future reconstruction efforts should concentrate on d 18O data in the identified European regions.

Published
2007

5. Hydrogen, carbon and oxygen isotopes in pine and oak tree rings from Southern Poland as climatic indicators in years 1900-2003

Author

Szczepanek, M., Pazdur, A., Pawelczyk, S., Böttger, Tatjana, Haupt, Marika, Halas, S., Bednarz, Z., Krapiec, M., Szychowska-Krapiec, E., Szczepanek, M., Pazdur, A., Pawelczyk, S., Böttger, Tatjana, Haupt, Marika, Halas, S., Bednarz, Z., Krapiec, M., and Szychowska-Krapiec, E.

Abstract

Carbon, oxygen and hydrogen stable isotopes in tree rings are sensitive indicators of climate changes. We have measured carbon, oxygen and hydrogen isotope ratios in alpha-cellulose extracted from annual rings of pine (Pinus sylvestris L.) and oak (Quercus robur L.) growing in the Niepolomice Forest, Southern Poland. The presented isotope records cover the period 1900-2003. In this paper we compare the values of delta C-13, delta O-18 and delta H-2 observed in the wholewood of pine and in the latewood of oak with meteorological data (temperature, precipitation and sunshine). The highest significant values of correlation coefficients calculated between delta C-13 and the meteorological data are: -0.26 for temperature, 0.25 for precipitation and 0.41 for sunshine. On the basis of our investigations we deduced that pine is a more sensitive indicator of environmental changes than oak. Our investigation proves that the best indicators are: hydrogen for summer temperature and oxygen for summer precipitation. We noticed a rapid decrease of pine delta C-13 values in 1966 from -22.46 parts per thousand to -24.64 parts per thousand.

Published
2006

6. Signal strength and climate calibration of a European tree‐ring isotope network

Author

Treydte, K., primary, Frank, D., additional, Esper, J., additional, Andreu, L., additional, Bednarz, Z., additional, Berninger, F., additional, Boettger, T., additional, D'Alessandro, C. M., additional, Etien, N., additional, Filot, M., additional, Grabner, M., additional, Guillemin, M. T., additional, Gutierrez, E., additional, Haupt, M., additional, Helle, G., additional, Hilasvuori, E., additional, Jungner, H., additional, Kalela‐Brundin, M., additional, Krapiec, M., additional, Leuenberger, M., additional, Loader, N. J., additional, Masson‐Delmotte, V., additional, Pazdur, A., additional, Pawelczyk, S., additional, Pierre, M., additional, Planells, O., additional, Pukiene, R., additional, Reynolds‐Henne, C. E., additional, Rinne, K. T., additional, Saracino, A., additional, Saurer, M., additional, Sonninen, E., additional, Stievenard, M., additional, Switsur, V. R., additional, Szczepanek, M., additional, Szychowska‐Krapiec, E., additional, Todaro, L., additional, Waterhouse, J. S., additional, Weigl, M., additional, and Schleser, G. H., additional

Published
2007
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7. Water-use efficiency and transpiration across European forests during the Anthropocene

Author

M. Kalela-Brundin, Nicolas Viovy, Benjamin Poulter, Emilia Gutiérrez, Katja T. Rinne, H. Marah, Markus Leuenberger, Kerstin Treydte, Z. Bednarz, Mark R. Lomas, Emmi Hilasvuori, Niklaus E. Zimmermann, Philippe Ciais, John S. Waterhouse, Gerhard H. Schleser, David Frank, Stephen Sitch, Elżbieta Szychowska‐Kra̧piec, Laia Andreu-Hayles, Samuel Levis, Anna Pazdur, Michael Grabner, Tatjana Boettger, Gerhard Helle, Carmela Miriam D’Alessandro, Monique Pierre, Högne Jungner, V. R. Switsur, M. Filot, Matthias Saurer, Eloni Sonninen, Pierre Friedlingstein, Marek Krapiec, M. Szczepanek, C. E. Reynolds-Henne, Octavi Planells, Valérie Daux, Frank Berninger, Chris Huntingford, Luigi Todaro, Anders Ahlström, Valérie Masson-Delmotte, Jan Esper, Sławomira Pawełczyk, Marika Haupt, Neil J. Loader, Martin Weigl, Michel Stievenard, Antonio Saracino, R. Pukiene, Montana State University (MSU), Paul Scherrer Institute (PSI), Swiss Federal Research Institute WSL, SWISS FEDERAL RESEARCH INSTITUTE WSL, Centre for Ecology and Hydrology (CEH), Natural Environment Research Council (NERC), Laboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] (LSCE), Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), ICOS-ATC (ICOS-ATC), Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), National Center for Atmospheric Research [Boulder] (NCAR), Centre for Terrestrial Carbon Dynamics: National Centre for Earth Observation (CTCD), University of Sheffield [Sheffield], College of Life and Environmental Sciences [Exeter], University of Exeter, Modélisation des Surfaces et Interfaces Continentales (MOSAIC), University of Helsinki, Géochrononologie Traceurs Archéométrie (GEOTRAC), Glaces et Continents, Climats et Isotopes Stables (GLACCIOS), Polish Geological Institute, Climate and Environmental Physics [Bern] (CEP), Physikalisches Institut [Bern], Universität Bern [Bern]-Universität Bern [Bern], CNESTEN, cnesten, inconnu, Inconnu, Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Helsingin yliopisto = Helsingfors universitet = University of Helsinki, Universität Bern [Bern] (UNIBE)-Universität Bern [Bern] (UNIBE), Frank, D. C., Poulter, B., Saurer, M., Esper, J., C., Huntingford, Helle, G., Treydte, K. S., Zimmermann, N. E., G. H., Schleser, A., Ahlström, P., Ciai, P., Friedlingstein, S., Levi, M., Loma, S., Sitch, N., Viovy, Andreu Hayles, L., Bednarz, Z., Berninger, F., Boettger, T., D’Alessandro, C. M., Daux, V., Filot, M., Grabner, M., Gutierrez, E., Haupt, M., Hilasvuori, E., Jungner, H., Kalela Brundin, M., Krapiec, M., Leuenberger, M., Loader, N. J., Marah, H., Masson Delmotte, V., Pazdur, A., Pawelczyk, S., Pierre, M., Planells, O., Pukiene, R., Reynolds Henne, C. E., Rinne, K. T., Saracino, Antonio, Sonninen, E., Stievenard, M., Switsur, V. R., Szczepanek, M., Szychowska Krapiec, E., Todaro, L., Waterhouse, J. S., and Weigl, M.

Subjects
hiilidioksidi, Stomatal conductance, hiili, [SDE.MCG]Environmental Sciences/Global Changes, ta1171, vesi, Growing season, Climate change, Environmental Science (miscellaneous), Atmospheric sciences, tree-ring, chemistry.chemical_compound, hydrologinen kierto, dioxide, [SDV.EE.ECO]Life Sciences [q-bio]/Ecology, environment/Ecosystems, [SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/Geochemistry, kasvit, ilmasto, Water cycle, Water-use efficiency, [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces, environment, climate, CO2 fertilization, ComputingMilieux_MISCELLANEOUS, Transpiration, Hydrology, ilmakehä, atmospheric CO2, elevated CO2, [CHIM.ORGA]Chemical Sciences/Organic chemistry, Global warming, varastointi, 15. Life on land, [SDE.ES]Environmental Sciences/Environmental and Society, gas-exchange, rising CO2, chemistry, 13. Climate action, stomatal conductance, [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology, [SDU.STU.ST]Sciences of the Universe [physics]/Earth Sciences/Stratigraphy, [SHS.ENVIR]Humanities and Social Sciences/Environmental studies, Carbon dioxide, Environmental science, aineiden kierto, Social Sciences (miscellaneous), carbon-isotope discrimination
Abstract

Considering the combined effects of CO2 fertilization and climate change drivers on plant physiology leads to a modest increase in simulated European forest transpiration in spite of the effects of CO2-induced stomatal closure. The Earth’s carbon and hydrologic cycles are intimately coupled by gas exchange through plant stomata1,2,3. However, uncertainties in the magnitude4,5,6 and consequences7,8 of the physiological responses9,10 of plants to elevated CO2 in natural environments hinders modelling of terrestrial water cycling and carbon storage11. Here we use annually resolved long-term δ13C tree-ring measurements across a European forest network to reconstruct the physiologically driven response of intercellular CO2 (Ci) caused by atmospheric CO2 (Ca) trends. When removing meteorological signals from the δ13C measurements, we find that trees across Europe regulated gas exchange so that for one ppmv atmospheric CO2 increase, Ci increased by ∼0.76 ppmv, most consistent with moderate control towards a constant Ci/Ca ratio. This response corresponds to twentieth-century intrinsic water-use efficiency (iWUE) increases of 14 ± 10 and 22 ± 6% at broadleaf and coniferous sites, respectively. An ensemble of process-based global vegetation models shows similar CO2 effects on iWUE trends. Yet, when operating these models with climate drivers reintroduced, despite decreased stomatal opening, 5% increases in European forest transpiration are calculated over the twentieth century. This counterintuitive result arises from lengthened growing seasons, enhanced evaporative demand in a warming climate, and increased leaf area, which together oppose effects of CO2-induced stomatal closure. Our study questions changes to the hydrological cycle, such as reductions in transpiration and air humidity, hypothesized to result from plant responses to anthropogenic emissions.

Published
2015
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8. Signal strength and climate calibration of a European tree-ring isotope network

Author

Emilia Gutiérrez, Anna Pazdur, Neil J. Loader, Michel Stievenard, Elżbieta Szychowska‐Kra̧piec, K. T. Rinne, Valérie Masson-Delmotte, Martin Weigl, Gerhard H. Schleser, Antonio Saracino, Jan Esper, Matthias Saurer, M. Kalela-Brundin, Kerstin Treydte, Markus Leuenberger, Octavi Planells, Luigi Todaro, Carmela Miriam D’Alessandro, Emmi Hilasvuori, V. R. Switsur, Laia Andreu, Eloni Sonninen, Högne Jungner, C. E. Reynolds-Henne, R. Pukiene, Michael Grabner, Tatjana Boettger, M. Filot, David Frank, Sławomira Pawełczyk, Marika Haupt, N. Etien, Frank Berninger, M. Szczepanek, M. T. Guillemin, Z. Bednarz, Monique Pierre, John S. Waterhouse, Marek Krapiec, Gerhard Helle, Laboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] (LSCE), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Glaces et Continents, Climats et Isotopes Stables (GLACCIOS), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Géochrononologie Traceurs Archéométrie (GEOTRAC), Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), Treydte, K, Frank, D, Andreu, L, Bednarz, Z, Berninger, F, Boettger, T, Dalessandro, Cm, Esper, J, Etien, N, Filot, M, Grabner, M, Guillemin, Mt, Gutirrez, E, Haupt, M, Helle, G, Hilasvuori, E, Jungner, H, KALELA BRUNDIN, M, Krapiec, M, Leuenberger, M, Loader, Nj, MASSON DELMOTTE, V, Pazdur, A, Pawelczyk, S, Pierre, M, Planells, O, Pukiene, R, REYNOLDS HENNE, Ce, Rinne, Kt, Saracino, Antonio, Saurer, M, Sonninen, E, Stievenard, M, Switsur, Vr, Szczepanek, M, SZYCHOWSKA KRAPIEC, E, Todaro, L, Waterhouse, J, Weigl, M, Schleser, Gh, and 0 Pre-GFZ, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum

Subjects
Mediterranean climate, 010506 paleontology, 010504 meteorology & atmospheric sciences, δ18O, d13C, 550 - Earth sciences, 01 natural sciences, Mediterranean sea, Trend surface analysis, Temperate climate, Dendrochronology, ddc:550, Precipitation, 20th century chronologies, [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces, environment, 0105 earth and related environmental sciences, [SDU.OCEAN]Sciences of the Universe [physics]/Ocean, Atmosphere, tree ring, 15. Life on land, d18O, European network, Geophysics, 13. Climate action, General Earth and Planetary Sciences, Environmental science, Spatial variability, Physical geography
Abstract

We present the first European network of tree ring delta(13)C and delta(18)O, containing 23 sites from Finland to Morocco. Common climate signals are found over broad climatic-ecological ranges. In temperate regions we find positive correlations with summer maximum temperatures and negative correlations with summer precipitation and Palmer Drought Severity Indices (PDSI) with no obvious speciesspecific differences. Regional delta(13)C and delta(18)O chronologies share high common variance in year-to-year variations. Long-term variations, however, exhibit differences that may reflect spatial variability in environmental forcings, age trends and/or plant physiological responses to increasing atmospheric CO(2) concentration. Rotated principal component analysis (RPCA) and climate field correlations enable the identification of four sub-regions in the delta(18)O network - northern and eastern Central Europe, Scandinavia and the western Mediterranean. Regional patterns in the delta(13)C network are less clear and are timescale dependent. Our results indicate that future reconstruction efforts should concentrate on delta(18)O data in the identified European regions.

Published
2007
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