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Publications
Helmholtz Centre Potsdam
GFZ German Research Centre for Geosciences
(Co) Author: Helle, G.
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Brienen, R. J. W.; Helle, G.; Pons, T. L.; Guyot, J.-L.; Gloor, M. (2012): Oxygen isotopes in tree rings are a good proxy for Amazon precipitation and El Niño-Southern Oscillation variability. Proceedings of the National Academy of Sciences of the United States of America (PNAS), 109, 42, 16957-16962.
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Dorado Liñán, I.; Büntgen, U.; González-Rouco, F.; Zorita, E.; Montávez, J. P.; Gómez-Navarro, J. J.; Brunet, M.; Heinrich, I.; Helle, G.; Gutiérrez, E. (2012): Estimating 750 years of temperature variations and uncertainties in the Pyrenees by tree-ring reconstructions and climate simulations. Climate of the Past, 8, 3, 919-933.
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Dorado Liñán, I.; Gutiérrez, E.; Heinrich, I.; Andreu-Hayles, L.; Muntán, E.; Campelo, F.; Helle, G. (2012): Age effects and climate response in trees: a multi-proxy tree-ring test in old-growth life stages. European Journal of Forest Research, 131, 4, 933-944.
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Andreu-Hayles, L.; Planells, O.; Gutierrez, E.; Muntan, E.; Helle, G.; Anchukaitis, K. J.; Schleser, G. H. (2011): Long tree-ring chronologies reveal 20th century increases in water-use efficiency but no enhancement of tree growth at five Iberian pine forests. Global Change Biology, 17, 6, 2095-2112.
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Dorado Liñán, I.; Gutiérrez, E.; Helle, G.; Heinrich, I.; Andreu-Hayles, L.; Planells, O.; Leuenberger, M.; Bürger, C.; Schleser, G. H. (2011): Pooled versus separate measurements of tree-ring stable isotopes. Science of the Total Environment, 409, 11, 2244-2251.
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Pons, T. L.; Helle, G. (2011): Identification of anatomically non-distinct annual rings in tropical trees using stable isotopes. Trees - Structure and Function, 25, 1, 83-93.
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Zacharias, S.; Bogena, H.; Samaniego, L.; Mauder, M.; Fuß, R.; Pütz, T.; Frenzel, M.; Schwank, M.; Baessler, C.; Butterbach-Bahl, K.; Bens, O.; Borg, E.; Brauer, A.; Dietrich, P.; Hajnsek, I.; Helle, G.; Kiese, R.; Kunstmann, H.; Klotz, S.; Munch, J. C.; Papen, H.; Priesack, E.; Schmid, H. P.; Steinbrecher, R.; Rosenbaum, U.; Teutsch, G.; Vereecken, H. (2011): A network of terrestrial environmental observatories in Germany. Vadose Zone Journal, 10, 3, 955-973.
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Fichtler, E.; Helle, G.; Worbes, M. (2010): Stable carbon isotope time series from tropical tree rings indicate a precipitation signal. Tree-Ring Research, 66, 1, 35-49.
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Weidner, K.; Heinrich, I.; Helle, G.; Löffler, J.; Neuwirth, B.; Schleser, G. H.; Vos, H. (2010): Consequences of larch budmoth outbreaks on the climatic significance of ring width and stable isotopes of larch. Trees - Structure and Function, 24, 3, 399-409.
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Heinrich, I.; Weidner, K.; Helle, G.; Vos, H.; Lindesay, J.; Banks, J. C. G. (2009): Interdecadal modulation of the relationship between ENSO, IPO and precipitation: insights from tree rings in Australia. Climate Dynamics, 33, 1, 63-73.
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Bens, O.; Schwank, M.; Blume, T.; Brauer, A.; Güntner, A.; Heinrich, I.; Helle, G.; Itzerott, S.; Kaiser, K.; Sachs, T.; Hüttl, R. F. (2012): TERENO – Eine Monitoring- und Forschungsplattform zur Erfassung langfristiger Auswirkungen des Globalen Wandels auf regionaler Ebene. System Erde, 2, 1, 68-73.
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Kumke, T.; Hense, A.; Schölzel, C.; Andreev, A. A.; Brüchmann, C.; Gebhardt, C.; Helle, G.; Kienel, U.; Kühl, N.; Litt, T.; Neumann, F.; Schleser, G. H. (2004): Transfer functions for palaeoclimate reconstructions - Applications. - In: Fischer, H.; Kumke, T.; Lohmann, G.; Flöser, G.; Miller, H.; von Storch, H.; Negendank, J. F. W. (Eds.), The Climate in Historical Times : Towards a Synthesis of Holocene Proxy Data and Climate Models, Springer, 245-262.
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Baschek, H.; Schollaen, K.; Helle, G. (2013): A guideline for high throughput cellulose extraction on whole wood thin sections. Program and Abstracts of the Dendrosymposium 2013, TRACE 2013 - Tree Rings in Archaeology, Climatology and Ecology (Viterbo, Italy 2013), 100.
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Ben, T.; Harr, P.; Helle, G. (2013): Evidence for annual growth rings in Akoko (Euphorbia olowaluana) an endemic Hawaiian tree with C4-photosynthetic pathway. Program and Abstracts of the Dendrosymposium 2013, TRACE 2013 - Tree Rings in Archaeology, Climatology and Ecology (Viterbo, Italy 2013), 92.
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Freund, M.; Cubasch, U.; Helle, G. (2013): On similarities and Distinctions In Climate response of european tree ring widths and Stable Isotopes. Do Oxygen isotopes provide a higher potential for spatial reconstruction approaches?. Program and Abstracts of the Dendrosymposium 2013, TRACE 2013 - Tree Rings in Archaeology, Climatology and Ecology (Viterbo, Italy 2013), 102.
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Kaplick, J.; Pieper, H.; Palmer, J.; Hogg, A. G.; Helle, G. (2013): Preliminary results of stable carbon and oxygen variability of 12,000yr-old Kauri (Agathis australis) from New Zealand. Towards a dendroclimatological reconstruction of the Late Glacial-Early Holocene transition in the Southern Hemisphere. Program and Abstracts of the Dendrosymposium 2013, TRACE 2013 - Tree Rings in Archaeology, Climatology and Ecology (Viterbo, Italy 2013), 73.
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Pieper, H.; Heinrich, I.; Heußner, K.-U.; Brauer, A.; Helle, G. (2013): The influence of volcanic eruptions on growth of central European lowland trees in NE-Germany during the last Millennium. Program and Abstracts of the Dendrosymposium 2013, TRACE 2013 - Tree Rings in Archaeology, Climatology and Ecology (Viterbo, Italy 2013), 21.
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Pieper, H.; Heinrich, I.; Heußner, K.-U.; Helle, G. (2013): The influence of volcanic eruptions on growth of central European lowland trees in NE-Germany during the last Millennium. General Assembly European Geosciences Union (Vienna, Austria 2013).
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Pritzkow, C.; Heinrich, I.; Grudd, H.; Helle, G. (2013): Relationship between cell features, tree ring widths and density of Pinus sylvestris L. and temperature at high latitudes in northern Sweden. Program and Abstracts of the Dendrosymposium 2013, TRACE 2013 - Tree Rings in Archaeology, Climatology and Ecology (Viterbo, Italy 2013), 83.
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Schollaen, K.; Helle, G. (2013): UV-laser microdissection system - A novel approach for the preparation of high-resolution stable isotope records ( delta13 C/ delta18 O) from tree rings. General Assembly European Geosciences Union (Vienna, Austria 2013).
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Simard, S.; Heinrich, I.; Helle, G.; Blume, T.; Güntner, A. (2013): Pine, beech and oak sensitivity to changing water availability in NEGermany. Program and Abstracts of the Dendrosymposium 2013, TRACE 2013 - Tree Rings in Archaeology, Climatology and Ecology (Viterbo, Italy 2013), 41.
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Slotta, F.; Helle, G.; Heinrich, I.; Heußner, U.; Shemang, E.; Riedel, F.; Tarasov, P. (2013): On the potential of the African baobab, Adansonia digitata, for palaeoclimatic studies. Program and Abstracts of the Dendrosymposium 2013, TRACE 2013 - Tree Rings in Archaeology, Climatology and Ecology (Viterbo, Italy 2013), 98.
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Dorado Liñán, I.; Gutiérrez, E.; Heinrich, I.; Andreu-Hayles, L.; Muntán, E.; Campelo, F.; Helle, G. (2011): Climate signals in width, density, δ13C and δ18O tree-ring series at two Iberian sites. Proceedings of the Dendrosymposium, April 22nd – 25th, 2010 in Freiburg, Dendrosymposium (Freiburg 2010), 134-142.
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Heinrich, I.; Touchan, R.; Helle, G. (2011): Long-term drought and streamflow variations in Turkey. Proceedings of the Dendrosymposium, April 22nd – 25th, 2010 in Freiburg, Dendrosymposium (Freiburg 2010), 34-41.
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Hennig, K.; Helle, G.; Heinrich, I.; Neuwirth, B.; Karyanto, O.; Winiger, M. (2011): Toward multi-parameter records (ring width, δ13C, δ18O) from tropical tree-rings - A case study on Tectona grandis from Java, Indonesia. Proceedings of the Dendrosymposium, April 22nd – 25th, 2010 in Freiburg, Dendrosymposium (Freiburg 2010), 158-165.
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Pieper, H.; Heinrich, I.; Heußner, K. U.; Helle, G. (2011): Influence of volcanic eruptions on tree growth in NE-Germany during the last Millennium. Proceedings of the Dendrosymposium, April 22nd – 25th, 2010 in Freiburg, Dendrosymposium (Freiburg 2010), 48-57.
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(2012): Proceedings of the DENDROSYMPOSIUM 2011 : May 11th - 14th, 2011 in Orléans, France. Scientific Technical Report ; 12/03 ; 10th Trace (Tree Rings in Archaeology, Climatology and Ecology) conference, Deutsches GeoForschungsZentrum GFZ, 126.
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(2011): Proceedings of the DENDROSYMPOSIUM 2010 : April 22nd - 25th, 2010 in Freiburg, Germany. Scientific Technical Report ; 11/07 ; 9. TRACE (Tree Rings in Archaeology, Climatology and Ecology) Conference, Deutsches GeoForschungsZentrum GFZ, 192.
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(2010): Proceedings of the DENDROSYMPOSIUM 2009 : April 16th - 19th, 2009 in Otočec, Slovenia. Scientific Technical Report ; 10/05 ; 8. TRACE (Tree Rings in Archaeology, Climatology and Ecology) Conference, Deutsches GeoForschungsZentrum GFZ, 169.
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(2009): Proceedings of the DENDROSYMPOSIUM 2008 : April 27th - 30th, 2008 in Zakopane, Poland. Scientific Technical Report ; 09/03 ; 7. TRACE (Tree Rings in Archaeology, Climatology and Ecology) Conference, Deutsches GeoForschungsZentrum GFZ, 226.
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(2008): Proceedings of the DENDROSYMPOSIUM 2007 : May 3rd - 6th 2007, Riga, Latvia. Scientific Technical Report ; 08/05 ; 6. TRACE (Tree Rings in Archaeology, Climatology and Ecology) Conference, Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum, 200.
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