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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. Radial and axial water movement in adult trees recorded by stable isotope tracing.

Author

Treydte, K, Lehmann, MM, Wyczesany, T, Pfautsch, S, Treydte, K, Lehmann, MM, Wyczesany, T, and Pfautsch, S

Abstract

The capacity of trees to release water from storage compartments into the transpiration stream can mitigate damage to hydraulic functioning. However, the location of these 'transient' water sources and also the pathways of water movement other than vertical through tree stems still remain poorly understood. We conducted an experiment on two tree species in a common garden in eastern Australia that naturally grow in regions of high (Eucalyptus tereticornis, 'Red Gum') and low (Eucalyptus sideroxylon, 'Ironbark') annual precipitation rates. Deuterium-enriched water (1350% label strength) was directly introduced into the transpiration stream of three trees per species for four consecutive days. Subsequently, the trees were felled, woody tissue samples were collected from different heights and azimuthal positions of the stems, and stable isotope ratios were determined on the water extracted from all samples. The presence/absence of the tracer along the radial and vertical stem axes in combination with xylem hydraulic properties inferred from sapflow, leaf and stem water potentials, wood moisture contents and anatomical sapwood characteristics elucidated species-specific patterns of short-term stem water storage and movement. The distribution of water isotopes at natural abundance among woody tissues indicated systematic differences with highest values of sapwood water and lower values in inner bark and heartwood. Presence of tracer in water of the inner bark highlighted the importance of this tissue as capacitor. Although injected at the northern side of stems, tracer was also discovered at the southern side, providing empirical evidence for circumferential flow in sapwood, particularly of Ironbark. Greater vertical water transport in Red Gum compared with more radial and circumferential water transport in Ironbark were associated with species-specific sapwood anatomy. Our study highlights the value of combining information from stable isotope tracers and wood anatomy t

Published
2021

6. 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

7. Erratum to: Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE (Nature Communications, (2018), 9, 1, (3605), 10.1038/s41467-018-06036-0)

Author

Büntgen, U, Wacker, L, Galván, JD, Arnold, S, Arseneault, D, Baillie, M, Beer, J, Bernabei, M, Bleicher, N, Boswijk, G, Bräuning, A, Carrer, M, Ljungqvist, FC, Cherubini, P, Christl, M, Christie, DA, Clark, PW, Cook, ER, D’Arrigo, R, Davi, N, Eggertsson, Ó, Esper, J, Fowler, AM, Gedalof, Z, Gennaretti, F, Grießinger, J, Grissino-Mayer, H, Grudd, H, Gunnarson, BE, Hantemirov, R, Herzig, F, Hessl, A, Heussner, KU, Jull, AJT, Kukarskih, V, Kirdyanov, A, Kolář, T, Krusic, PJ, Kyncl, T, Lara, A, LeQuesne, C, Linderholm, HW, Loader, NJ, Luckman, B, Miyake, F, Myglan, VS, Nicolussi, K, Oppenheimer, C, Palmer, J ; https://orcid.org/0000-0002-6665-4483, Panyushkina, I, Pederson, N, Rybníček, M, Schweingruber, FH, Seim, A, Sigl, M, Churakova (Sidorova), O, Speer, JH, Synal, HA, Tegel, W, Treydte, K, Villalba, R, Wiles, G, Wilson, R, Winship, LJ, Wunder, J, Yang, B, Young, GHF, Büntgen, U, Wacker, L, Galván, JD, Arnold, S, Arseneault, D, Baillie, M, Beer, J, Bernabei, M, Bleicher, N, Boswijk, G, Bräuning, A, Carrer, M, Ljungqvist, FC, Cherubini, P, Christl, M, Christie, DA, Clark, PW, Cook, ER, D’Arrigo, R, Davi, N, Eggertsson, Ó, Esper, J, Fowler, AM, Gedalof, Z, Gennaretti, F, Grießinger, J, Grissino-Mayer, H, Grudd, H, Gunnarson, BE, Hantemirov, R, Herzig, F, Hessl, A, Heussner, KU, Jull, AJT, Kukarskih, V, Kirdyanov, A, Kolář, T, Krusic, PJ, Kyncl, T, Lara, A, LeQuesne, C, Linderholm, HW, Loader, NJ, Luckman, B, Miyake, F, Myglan, VS, Nicolussi, K, Oppenheimer, C, Palmer, J ; https://orcid.org/0000-0002-6665-4483, Panyushkina, I, Pederson, N, Rybníček, M, Schweingruber, FH, Seim, A, Sigl, M, Churakova (Sidorova), O, Speer, JH, Synal, HA, Tegel, W, Treydte, K, Villalba, R, Wiles, G, Wilson, R, Winship, LJ, Wunder, J, Yang, B, and Young, GHF

Abstract

The original version of this Article contained an error in the Data Availability section, which incorrectly read ‘All data will be freely available via https://www.ams.ethz.ch/research.html.’ The correct version states ‘http://www.ams.ethz.ch/research/published-data.html’ in place of ‘https://www.ams.ethz.ch/research.html’. This has been corrected in both the PDF and HTML versions of the Article.

Published
2018

8. 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

9. 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., Ahlstrom, A., Ciais, P., Friedlingstein, P., Levis, S., Lomas, M., Sitch, S., Viovy, N., 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, 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., Ahlstrom, A., Ciais, P., Friedlingstein, P., Levis, S., Lomas, M., Sitch, S., Viovy, N., 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, A., Sonninen, E., Stievenard, M., Switsur, V.R., Szczepanek, M., Szychowska-Krapiec, E., Todaro, L., Waterhouse, J.S., and Weigl, M.

Published
2015

10. 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., Ahlstrom, A., Ciais, P., Friedlingstein, P., Levis, S., Lomas, M., Sitch, S., Viovy, N., 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, 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., Ahlstrom, A., Ciais, P., Friedlingstein, P., Levis, S., Lomas, M., Sitch, S., Viovy, N., 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, A., Sonninen, E., Stievenard, M., Switsur, V.R., Szczepanek, M., Szychowska-Krapiec, E., Todaro, L., Waterhouse, J.S., and Weigl, M.

Published
2015

11. Spatial variability and temporal trends in water-use efficiency of European forests

Author

Saurer, M., Spahni, R., Frank, D.C., Joos, F., Leuenberger, M., Loader, N.J., McCarroll, D., Gagen, M., Poulter, B., Siegwolf, R.T.W., Andreu-Hayles, L., Boettger, Tatjana, Dorado Liñán, I., Fairchild, I.J., Friedrich, M., Gutierrez, E., Haupt, Marika, Hilasvuori, E., Heinrich, I., Helle, G., Grudd, H., Jalkanen, R., Levanič, T., Linderholm, H.W., Robertson, I., Sonninen, E., Treydte, K., Waterhouse, J.S., Woodley, E.J., Wynn, P.M., Young, G.H.F., Saurer, M., Spahni, R., Frank, D.C., Joos, F., Leuenberger, M., Loader, N.J., McCarroll, D., Gagen, M., Poulter, B., Siegwolf, R.T.W., Andreu-Hayles, L., Boettger, Tatjana, Dorado Liñán, I., Fairchild, I.J., Friedrich, M., Gutierrez, E., Haupt, Marika, Hilasvuori, E., Heinrich, I., Helle, G., Grudd, H., Jalkanen, R., Levanič, T., Linderholm, H.W., Robertson, I., Sonninen, E., Treydte, K., Waterhouse, J.S., Woodley, E.J., Wynn, P.M., and Young, G.H.F.

Abstract

The increasing carbon dioxide (CO2) concentration in the atmosphere in combination with climatic changes throughout the last century are likely to have had a profound effect on the physiology of trees: altering the carbon and water fluxes passing through the stomatal pores. However, the magnitude and spatial patterns of such changes in natural forests remain highly uncertain. Here, stable carbon isotope ratios from a network of 35 tree-ring sites located across Europe are investigated to determine the intrinsic water-use efficiency (iWUE), the ratio of photosynthesis to stomatal conductance from 1901–2000. The results were compared with simulations of a dynamic vegetation model (LPX-Bern 1.0) that integrates numerous ecosystem and land–atmosphere exchange processes in a theoretical framework. The spatial pattern of tree-ring derived iWUE of the investigated coniferous and deciduous species and the model results agreed significantly with a clear south-to-north gradient, as well as a general increase in iWUE over the 20th century. The magnitude of the iWUE increase was not spatially uniform, with the strongest increase observed and modelled for temperate forests in Central Europe, a region where summer soil-water availability decreased over the last century. We were able to demonstrate that the combined effects of increasing CO2 and climate change leading to soil drying have resulted in an accelerated increase of iWUE. These findings will help to reduce uncertainties in the land surface schemes of global climate models, where vegetation–climate feedbacks are currently still poorly constrained by observational data.

Published
2014

12. Climate signals in the European isotope network ISONET

Author

Haneca, K., Verheyden, A., Beeckman, H., Gärtner, H., Treydte, K., Schleser, G.H., Esper, J., Andreu, L., Bednarz, Z., Berninger, F., Böttger, Tatjana, D'Allessandro, C.D., Etien, N., Filot, M., Frank, D., Grabner, M., Gutierrez, E., Haupt, Marika, Hell, G., Hilasvuori, E., Jungner, H., Kalela-Brundin, M., Leuenberger, M., Loader, N., Masson-Delmotte, V., Pazdur, A., Planells, O., Pukiene, R., Reynolds, C., Rinne, K., Saurer, M., Sonninen, E., Stievenard, M., Switsur, R., Szczepanek, M., Todaro, L., Waterhouse, J., Weigl, M., Wimmer, R., Haneca, K., Verheyden, A., Beeckman, H., Gärtner, H., Treydte, K., Schleser, G.H., Esper, J., Andreu, L., Bednarz, Z., Berninger, F., Böttger, Tatjana, D'Allessandro, C.D., Etien, N., Filot, M., Frank, D., Grabner, M., Gutierrez, E., Haupt, Marika, Hell, G., Hilasvuori, E., Jungner, H., Kalela-Brundin, M., Leuenberger, M., Loader, N., Masson-Delmotte, V., Pazdur, A., Planells, O., Pukiene, R., Reynolds, C., Rinne, K., Saurer, M., Sonninen, E., Stievenard, M., Switsur, R., Szczepanek, M., Todaro, L., Waterhouse, J., Weigl, M., and Wimmer, R.

Published
2007

13. Climate signals in the European isotope network ISONET

Author

Haneca, K., Verheyden, A., Beeckman, H., Gärtner, H., Treydte, K., Schleser, G.H., Esper, J., Andreu, L., Bednarz, Z., Berninger, F., Böttger, Tatjana, D'Allessandro, C.D., Etien, N., Filot, M., Frank, D., Grabner, M., Gutierrez, E., Haupt, Marika, Hell, G., Hilasvuori, E., Jungner, H., Kalela-Brundin, M., Leuenberger, M., Loader, N., Masson-Delmotte, V., Pazdur, A., Planells, O., Pukiene, R., Reynolds, C., Rinne, K., Saurer, M., Sonninen, E., Stievenard, M., Switsur, R., Szczepanek, M., Todaro, L., Waterhouse, J., Weigl, M., Wimmer, R., Haneca, K., Verheyden, A., Beeckman, H., Gärtner, H., Treydte, K., Schleser, G.H., Esper, J., Andreu, L., Bednarz, Z., Berninger, F., Böttger, Tatjana, D'Allessandro, C.D., Etien, N., Filot, M., Frank, D., Grabner, M., Gutierrez, E., Haupt, Marika, Hell, G., Hilasvuori, E., Jungner, H., Kalela-Brundin, M., Leuenberger, M., Loader, N., Masson-Delmotte, V., Pazdur, A., Planells, O., Pukiene, R., Reynolds, C., Rinne, K., Saurer, M., Sonninen, E., Stievenard, M., Switsur, R., Szczepanek, M., Todaro, L., Waterhouse, J., Weigl, M., and Wimmer, R.

Published
2007

14. 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

15. A Late-Glacial forest in the lignite mine of Reichwalde – an interdisciplinary project

Author

Schleser, G., Winiger, M., Bräuning, A., Gärtner, H., Helle, G., Jansma, E., Neuwirth, B., Treydte, K., Friedrich, M., Boeren, I., Remmele, S., Küppers, M., Eschenbach, C., Knipping, M., Stika, H.-P., Böttger, Tatjana, Vollbrecht, J., Renno, A., Ullrich, O., Schleser, G., Winiger, M., Bräuning, A., Gärtner, H., Helle, G., Jansma, E., Neuwirth, B., Treydte, K., Friedrich, M., Boeren, I., Remmele, S., Küppers, M., Eschenbach, C., Knipping, M., Stika, H.-P., Böttger, Tatjana, Vollbrecht, J., Renno, A., and Ullrich, O.

Published
2003

16. Interrelations between climatic changes and northern and alpine Holocene pine-limit movements - deduced from stable-isotope signals of 14C-dated subfossil pines (Pinus sylvestris L.) on the Kola Peninsula, northwestern Russia

Author

Schleser, G., Winiger, M., Bräuning, A., Gärtner, H., Helle, G., Jansma, E., Neuwirth, B., Treydte, K., Böttger, Tatjana, Hiller, A., Kremenetski, C., Friedrich, M., Schleser, G., Winiger, M., Bräuning, A., Gärtner, H., Helle, G., Jansma, E., Neuwirth, B., Treydte, K., Böttger, Tatjana, Hiller, A., Kremenetski, C., and Friedrich, M.

Published
2003

17. A Late-Glacial forest in the lignite mine of Reichwalde – an interdisciplinary project

Author

Schleser, G., Winiger, M., Bräuning, A., Gärtner, H., Helle, G., Jansma, E., Neuwirth, B., Treydte, K., Friedrich, M., Boeren, I., Remmele, S., Küppers, M., Eschenbach, C., Knipping, M., Stika, H.-P., Böttger, Tatjana, Vollbrecht, J., Renno, A., Ullrich, O., Schleser, G., Winiger, M., Bräuning, A., Gärtner, H., Helle, G., Jansma, E., Neuwirth, B., Treydte, K., Friedrich, M., Boeren, I., Remmele, S., Küppers, M., Eschenbach, C., Knipping, M., Stika, H.-P., Böttger, Tatjana, Vollbrecht, J., Renno, A., and Ullrich, O.

Published
2003

18. Interrelations between climatic changes and northern and alpine Holocene pine-limit movements - deduced from stable-isotope signals of 14C-dated subfossil pines (Pinus sylvestris L.) on the Kola Peninsula, northwestern Russia

Author

Schleser, G., Winiger, M., Bräuning, A., Gärtner, H., Helle, G., Jansma, E., Neuwirth, B., Treydte, K., Böttger, Tatjana, Hiller, A., Kremenetski, C., Friedrich, M., Schleser, G., Winiger, M., Bräuning, A., Gärtner, H., Helle, G., Jansma, E., Neuwirth, B., Treydte, K., Böttger, Tatjana, Hiller, A., Kremenetski, C., and Friedrich, M.

Published
2003

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