| The twentieth century was the wettest period in northern Pakistan over the past millennium KS Treydte, GH Schleser, G Helle, DC Frank, M Winiger, GH Haug, ... Nature 440 (7088), 1179-1182, 2006 | 635 | 2006 |
| A network of terrestrial environmental observatories in Germany S Zacharias, H Bogena, L Samaniego, M Mauder, R Fuß, T Pütz, ... Vadose zone journal 10 (3), 955-973, 2011 | 514 | 2011 |
| Water-use efficiency and transpiration across European forests during the Anthropocene DC Frank, B Poulter, M Saurer, J Esper, C Huntingford, G Helle, K Treydte, ... Nature Climate Change 5 (6), 579-583, 2015 | 450 | 2015 |
| Beyond CO2‐fixation by Rubisco – an interpretation of 13C/12C variations in tree rings from novel intra‐seasonal studies on broad‐leaf trees G Helle, GH Schleser Plant, Cell & Environment 27 (3), 367-380, 2004 | 437 | 2004 |
| Isotope signals as climate proxies: the role of transfer functions in the study of terrestrial archives GH Schleser, G Helle, A Lücke, H Vos Quaternary Science Reviews 18 (7), 927-943, 1999 | 278 | 1999 |
| Tracing carbon and oxygen isotope signals from newly assimilated sugars in the leaves to the tree‐ring archive A Gessler, E Brandes, N Buchmann, G Helle, H Rennenberg, RL Barnard Plant, Cell & Environment 32 (7), 780-795, 2009 | 262 | 2009 |
| Long tree‐ring chronologies reveal 20th century increases in water‐use efficiency but no enhancement of tree growth at five Iberian pine forests L ANDREU‐HAYLES, O Planells, E Gutierrez, E Muntan, G Helle, ... Global Change Biology 17 (6), 2095-2112, 2011 | 236 | 2011 |
| Signal strength and climate calibration of a European tree‐ring isotope network K Treydte, D Frank, J Esper, L Andreu, Z Bednarz, F Berninger, T Boettger, ... Geophysical Research Letters 34 (24), 2007 | 227 | 2007 |
| A novel approach for the homogenization of cellulose to use micro‐amounts for stable isotope analyses W Laumer, L Andreu, G Helle, GH Schleser, T Wieloch, H Wissel Rapid Communications in Mass Spectrometry: An International Journal Devoted …, 2009 | 204 | 2009 |
| Response of climate-growth relationships and water use efficiency to thinning in a Pinus nigra afforestation D Martín-Benito, M Del Río, I Heinrich, G Helle, I Cañellas Forest Ecology and Management 259 (5), 967-975, 2010 | 203 | 2010 |
| Impact of climate and CO2 on a millennium-long tree-ring carbon isotope record KS Treydte, DC Frank, M Saurer, G Helle, GH Schleser, J Esper Geochimica et Cosmochimica Acta 73 (16), 4635-4647, 2009 | 164 | 2009 |
| Annual cyclicity in high‐resolution stable carbon and oxygen isotope ratios in the wood of the mangrove tree Rhizophora mucronata A Verheyden, G Helle, GH Schleser, F Dehairs, H Beeckman, N Koedam Plant, Cell & Environment 27 (12), 1525-1536, 2004 | 161 | 2004 |
| Climate signals in tree-ring width, density and δ13C from larches in Eastern Siberia (Russia) AV Kirdyanov, KS Treydte, A Nikolaev, G Helle, GH Schleser Chemical geology 252 (1-2), 31-41, 2008 | 144 | 2008 |
| A novel device for batch-wise isolation of α-cellulose from small-amount wholewood samples T Wieloch, G Helle, I Heinrich, M Voigt, P Schyma Dendrochronologia 29 (2), 115-117, 2011 | 128 | 2011 |
| Tree height strongly affects estimates of water-use efficiency responses to climate and CO2 using isotopes RJW Brienen, E Gloor, S Clerici, R Newton, L Arppe, A Boom, S Bottrell, ... Nature Communications 8 (1), 288, 2017 | 120 | 2017 |
| Placing unprecedented recent fir growth in a European‐wide and Holocene‐long context U Büntgen, W Tegel, JO Kaplan, M Schaub, F Hagedorn, M Bürgi, ... Frontiers in Ecology and the Environment 12 (2), 100-106, 2014 | 120 | 2014 |
| Multiple tree-ring chronologies (ring width, δ13C and δ18O) reveal dry and rainy season signals of rainfall in Indonesia K Schollaen, I Heinrich, B Neuwirth, PJ Krusic, RD D'Arrigo, O Karyanto, ... Quaternary Science Reviews 73, 170-181, 2013 | 116 | 2013 |
| Environmental history of the German Lower Rhine Embayment during the Middle Miocene as reflected by carbon isotopes in brown coal A Lücke, G Helle, GH Schleser, I Figueiral, V Mosbrugger, TP Jones, ... Palaeogeography, Palaeoclimatology, Palaeoecology 154 (4), 339-352, 1999 | 114 | 1999 |
| Climate signals derived from cell anatomy of Scots pine in NE Germany W Liang, I Heinrich, S Simard, G Helle, ID Liñán, T Heinken Tree physiology 33 (8), 833-844, 2013 | 95 | 2013 |
| Relationship between wood anatomy, tree-ring widths and wood density of Pinus sylvestris L. and climate at high latitudes in northern Sweden C Pritzkow, I Heinrich, H Grudd, G Helle Dendrochronologia 32 (4), 295-302, 2014 | 91 | 2014 |
