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Environmental Sciences

D-Index
46
Citations
8182
World Ranking
6080
National Ranking
401

Overview

Gerhard Helle is affiliated with the University of Potsdam in Germany, contributing to research in Earth and Planetary Sciences as well as Environmental Science. Their work mainly focuses on atmospheric science and global and planetary change, with additional involvement in nature and landscape conservation, paleontology, and ecology. The scientist's research topics cover tree-ring climate responses, plant water relations and carbon dynamics, geology and paleoclimatology, climate variability and models, archaeology and ancient environmental studies, atmospheric and environmental gas dynamics, and cryospheric studies and observations.

Among the recent papers authored by Gerhard Helle are:

  • "Tropical tree growth driven by dry-season climate variability" (2022, Nature Geoscience)
  • "What we talk about when we talk about seasonality - A transdisciplinary review" (2021, Earth-Science Reviews)
  • "Recent human-induced atmospheric drying across Europe unprecedented in the last 400 years" (2023, Nature Geoscience)
  • "European tree-ring isotopes indicate unusual recent hydroclimate" (2023, Communications Earth & Environment)
  • "The unknown third - Hydrogen isotopes in tree-ring cellulose across Europe" (2021, The Science of The Total Environment)

Gerhard Helle frequently collaborates with several researchers, including Ingo Heinrich, Gerhard H. Schleser, Roel Brienen, Monica Ioniță, and Daniel F. Balting. These collaborations have resulted in multiple joint publications.

The scientist has published multiple works in notable venues such as Zenodo (CERN European Organization for Nuclear Research), Nature Geoscience, Climate of the Past, Journal of Geophysical Research Biogeosciences, and Radiocarbon.

Best Publications

  • The twentieth century was the wettest period in northern Pakistan over the past millennium

    Kerstin S. Treydte;Gerhard H. Schleser;Gerhard Helle;David C. Frank

  • A Network of Terrestrial Environmental Observatories in Germany

    Steffen Zacharias;Heye Bogena;Luis Samaniego;Matthias Mauder

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

    D. C. Frank;B. Poulter;M. Saurer;J. Esper

  • 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;G. H. Schleser

  • Isotope signals as climate proxies: the role of transfer functions in the study of terrestrial archives

    Gerhard H. Schleser;Gerhard Helle;Andreas Lücke;Heinz Vos

  • Tracing carbon and oxygen isotope signals from newly assimilated sugars in the leaves to the tree-ring archive.

    Arthur Gessler;Elke Brandes;Nina Buchmann;Gerhard Helle

  • Long tree‐ring chronologies reveal 20th century increases in water‐use efficiency but no enhancement of tree growth at five Iberian pine forests

    Laia Andreu-Hayles;Laia Andreu-Hayles;Octavi Planells;Emilia Gutiérrez;Elena Muntan

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

    Matthias Saurer;Renato Spahni;Renato Spahni;David C. Frank;Fortunat Joos;Fortunat Joos

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

    K. Treydte;D. Frank;J. Esper;L. Andreu

  • Wood Cellulose Preparation Methods and Mass Spectrometric Analyses of δ13C, δ18O, and Nonexchangeable δ2H Values in Cellulose, Sugar, and Starch: An Interlaboratory Comparison

    Tatjana Boettger;Marika Haupt;Kay Knöller;Stephan M. Weise

  • Response of climate-growth relationships and water use efficiency to thinning in a Pinus nigra afforestation

    Darío Martín-Benito;Miren Del Río;Ingo Heinrich;Gerhard Helle

  • A novel approach for the homogenization of cellulose to use micro-amounts for stable isotope analyses.

    W. Laumer;L. Andreu;G. Helle;G. H. Schleser

  • Impact of climate and CO2 on a millennium-long tree-ring carbon isotope record.

    Kerstin S. Treydte;David C. Frank;Matthias Saurer;Gerhard Helle

  • Annual cyclicity in high‐resolution stable carbon and oxygen isotope ratios in the wood of the mangrove tree Rhizophora mucronata

    Anouk Verheyden;Gerd Helle;Gerard H. Schleser;Frank Dehairs

  • Climate signals in tree-ring width, density and δ13C from larches in Eastern Siberia (Russia)

    Alexander V. Kirdyanov;Kerstin S. Treydte;Anatolii Nikolaev;Gerhard Helle

  • Late Holocene Asian summer monsoon variability reflected by δ18O in tree-rings from Tibetan junipers

    Jussi Grießinger;Achim Bräuning;Gerd Helle;Axel Thomas

  • Tree height strongly affects estimates of water-use efficiency responses to climate and CO2 using isotopes.

    R. J. W. Brienen;E. Gloor;S. Clerici;R. Newton

  • A novel device for batch-wise isolation of α-cellulose from small-amount wholewood samples

    Thomas Wieloch;Gerhard Helle;Ingo Heinrich;Michael Voigt

  • Placing unprecedented recent fir growth in a European‐wide and Holocene‐long context

    Ulf Büntgen;Willy Tegel;Jed O. Kaplan;Michael Schaub

  • Global Peak in Atmospheric Radiocarbon Provides a Potential Definition for the Onset of the Anthropocene Epoch in 1965

    Chris S. M. Turney;Jonathan Palmer;Mark A. Maslin;Alan Hogg

  • Environmental history of the German Lower Rhine Embayment during the Middle Miocene as reflected by carbon isotopes in brown coal

    Andreas Lücke;Andreas Lücke;Gerhard Helle;Gerhard Helle;Gerhard H. Schleser;Isabel Figueiral;Isabel Figueiral

Frequent Co-Authors

Gerhard H. Schleser
Gerhard H. Schleser Forschungszentrum Jülich
Ulf Büntgen
Ulf Büntgen University of Cambridge
Kerstin Treydte
Kerstin Treydte Swiss Federal Institute for Forest, Snow and Landscape Research
Emilia Gutiérrez
Emilia Gutiérrez University of Barcelona
Jan Esper
Jan Esper Johannes Gutenberg University of Mainz
Chris S. M. Turney
Chris S. M. Turney Heriot-Watt University
Jonathan G. Palmer
Jonathan G. Palmer University of New South Wales
Alan G. Hogg
Alan G. Hogg University of Waikato
Achim Brauer
Achim Brauer University of Potsdam
Markus Leuenberger
Markus Leuenberger University of Bern

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