Dear all For those of you interested in tree-ring stable isotopes: I just would like to draw your attention to a paper, we could recently publish in Geophysical Research Letters: K. Treydte, D. Frank, J. Esper, L. Andreu, Z. Bednarz, F. Berninger, T. Boettger, C. M. D'Alessandro, N. Etien, M. Filot, M. Grabner, M. T. Guillemin, E. Gutierrez, M. Haupt, G. Helle, E. Hilasvuori, H. Jungner, M. Kalela-Brundin, M. Krapiec, M. Leuenberger, N. J. Loader, V. Masson-Delmotte, A. Pazdur, S. Pawelczyk, M. Pierre, O. Planells, R. Pukiene, C. E. Reynolds-Henne, K. T. Rinne, A. Saracino, M. Saurer, E. Sonninen, M. Stievenard, V. R. Switsur, M. Szczepanek, E. Szychowska-Krapiec, L. Todaro, J. S. Waterhouse, M. Weigl, and G. H. Schleser: Signal strength and climate calibration of a European tree-ring isotope network. Geophys. Res. Lett. 34, doi:10.1029/2007GL031106. Best regards Kerstin -- Dr. Kerstin Treydte Swiss Federal Research Institute WSL Dendro Sciences Group Leader Paleoecology Zuercher Str. 111 CH-8903 Birmensdorf Switzerland phone: ++41 (0)44 739 2662 fax: ++41 (0)44 739 2215 Email: [log in to unmask]