Jan Esper

30.0k citations

286 papers · 17.8k indexed · 7 hit papers · h-index 74

Impact in

Atmospheric Science top 0.02%
- Tree-ring climate responses
- Geology and Paleoclimatology Research
Global and Planetary Change top 0.05%
- Plant Water Relations and Carbon Dynamics
- Climate variability and models
- Hydrology and Drought Analysis

Papers in ⓘ

Atmospheric Science 264
- Tree-ring climate responses 251
- Geology and Paleoclimatology Research 124
Global and Planetary Change 218
- Plant Water Relations and Carbon Dynamics 190
- Climate variability and models 48

Co-authors: David Frank (71 shared papers)Ulf Büntgen (147 shared papers)Fritz Hans Schweingruber (9 shared papers)Edward R. Cook (10 shared papers)Jürg Luterbacher (29 shared papers)Valérie Trouet (16 shared papers)Rob Wilson (20 shared papers)Paul J. Krusic (34 shared papers)
Journals: Dendrochronologia (27 papers)Quaternary Science Reviews (17 papers)Geophysical Research Letters (11 papers)Trees (10 papers)Climate Dynamics (8 papers)
Partner nations: Germany Switzerland Czechia

In The Last Decade

Jan Esper

279 papers receiving 17.1k citations

Hit Papers

7 papers align trajectories log scale

2023 summer warmth unparalleled over the past 2,000 years 2024 · 97 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2024 Nature
2021 Proceedings of the National Academy of Sciences
2021 Nature Geoscience
2016 Nature Geoscience
2011 Science
2009 Science
2002 Science

Peers

Countries citing papers authored by Jan Esper

Since Specialization

Citations

This map shows the geographic impact of Jan Esper's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Jan Esper with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Jan Esper more than expected).

Fields of papers citing papers by Jan Esper

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jan Esper. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Jan Esper. The network helps show where Jan Esper may publish in the future.

Co-authors

The 25 scholars most cited alongside Jan Esper, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Jan Esper Line = papers co-authored together Jan Esper links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 286 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Low-Frequency Signals in Long Tree-Ring Chronologies for Reconstructing Past Temperature Variability Science ·Jan Esper, Edward R. Cook, Fritz Hans Schweingruber Hit paper breakdown →	2002	1139
2	2500 Years of European Climate Variability and Human Susceptibility Science ·Ulf Büntgen, Willy Tegel, Kurt Nicolussi, Michael McCormick, David Frank, Valérie Trouet, Jed O. Kaplan, Franz Herzig, Karl‐Uwe Heussner, Heinz Wanner, Jürg Luterbacher, Jan Esper Hit paper breakdown →	2011	958
3	Persistent Positive North Atlantic Oscillation Mode Dominated the Medieval Climate Anomaly Science ·Valérie Trouet, Jan Esper, Nicholas E. Graham, Andy Baker, James Scourse, David Frank Hit paper breakdown →	2009	863
4	Cooling and societal change during the Late Antique Little Ice Age from 536 to around 660 AD Nature Geoscience ·Ulf Büntgen, Vladimir S. Myglan, Fredrik Charpentier Ljungqvist, Michael McCormick, Nicola Di Cosmo, Michael Sigl, Johann Jungclaus, Sebastian Wagner, Paul J. Krusic, Jan Esper, Jed O. Kaplan, Michiel de Vaan, Jürg Luterbacher, Lukas Wacker, Willy Tegel, Alexander V. Kirdyanov Hit paper breakdown →	2016	526
5	The twentieth century was the wettest period in northern Pakistan over the past millennium Nature ·Kerstin Treydte, Gerhard H. Schleser, Gerhard Helle, David Frank, Matthias Winiger, Gerald H. Haug, Jan Esper	2006	490
6	Summer Temperature Variations in the European Alps, a.d. 755–2004 Journal of Climate ·Ulf Büntgen, David Frank, Daniel Nievergelt, Jan Esper	2006	331
7	Temperature and precipitation variability in the European Alps since 1500 International Journal of Climatology ·Carlo Casty, Heinz Wanner, Jürg Luterbacher, Jan Esper, Reinhard Böhm	2005	310
8	Long‐term drought severity variations in Morocco Geophysical Research Letters ·Jan Esper, David Frank, Ulf Büntgen, Anne Verstege, Jürg Luterbacher, Elena Xoplaki	2007	304
9	Tests of the RCS Method for Preserving Low-Frequency Variability in Long Tree-Ring Chronologies UA Campus Repository (The University of Arizona) ·Jan Esper, Edward R. Cook, Paul J. Krusic, Kenneth E. Peters, Fritz Hans Schweingruber	2003	295
10	Recent European drought extremes beyond Common Era background variability Nature Geoscience ·Ulf Büntgen, Otmar Urban, Paul J. Krusic, Michal Rybníček, Tomáš Kolář, Tomáš Kyncl, Alexander Ač, Eva Koňasová, Josef Čáslavský, Jan Esper, Sebastian Wagner, Matthias Saurer, Willy Tegel, Petr Dobrovolný, Paolo Cherubini, Frederick Reinig, Miroslav Trnka Hit paper breakdown →	2021	272
11	No growth stimulation of Canada’s boreal forest under half-century of combined warming and CO ₂ fertilization Proceedings of the National Academy of Sciences ·Martin P. Girardin, Olivier Bouriaud, Edward H. Hogg, Werner A. Kurz, Niklaus E. Zimmermann, Juha M. Metsaranta, Rogier de Jong, David Frank, Jan Esper, Ulf Büntgen, Xiao Jing Guo, Jagtar S. Bhatti	2016	243
12	Timing and duration of European larch growing season along altitudinal gradients in the Swiss Alps Tree Physiology ·Lara Moser, Patrick Fonti, Ulf Büntgen, Jan Esper, Jürg Luterbacher, J. Franzen, David Frank	2009	233
13	Orbital forcing of tree-ring data Nature Climate Change ·Jan Esper, David Frank, Mauri Timonen, Eduardo Zorita, Rob Wilson, Jürg Luterbacher, Steffen Holzkämper, Nils Fischer, Sebastian Wagner, Daniel Nievergelt, Anne Verstege, Ulf Büntgen	2012	224
14	Characterization and climate response patterns of a high-elevation, multi-species tree-ring network in the European Alps Dendrochronologia ·David Frank, Jan Esper	2005	217
15	A 1052-year tree-ring proxy for Alpine summer temperatures Climate Dynamics ·Ulf Büntgen, Jan Esper, David Frank, Kurt Nicolussi, Martin Schmidhalter	2005	214
16	Ensemble reconstruction constraints on the global carbon cycle sensitivity to climate Nature ·David Frank, Jan Esper, Christoph C. Raible, Ulf Büntgen, Valérie Trouet, Benjamin D. Stocker, Fortunat Joos	2010	209
17	Effect of scaling and regression on reconstructed temperature amplitude for the past millennium Geophysical Research Letters ·Jan Esper, David Frank, Rob Wilson, Keith R. Briffa	2005	204
18	Plague dynamics are driven by climate variation Proceedings of the National Academy of Sciences ·Nils Chr. Stenseth, Noelle I. Samia, Hildegunn Viljugrein, Kyrre Kausrud, Michael Begon, Stephen Davis, Herwig Leirs, V. M. Dubyanskiy, Jan Esper, Vladimir S. Ageyev, Nikolay L. Klassovskiy, Sergey B. Pole, Kung‐Sik Chan	2006	195
19	Extra-tropical Northern Hemisphere land temperature variability over the past 1000 years Quaternary Science Reviews ·Edward R. Cook, Jan Esper, Rosanne D’Arrigo	2004	182
20	1200 years of regular outbreaks in alpine insects Proceedings of the Royal Society B Biological Sciences ·Jan Esper, Ulf Büntgen, David Frank, Daniel Nievergelt, Andrew M. Liebhold	2006	172

About Jan Esper

Jan Esper is a scholar working on Atmospheric Science, Global and Planetary Change, Nature and Landscape Conservation, Plant Science and Paleontology, having authored 286 papers that have together received 17.8k indexed citations. Recurring topics across this work include Tree-ring climate responses (251 papers), Plant Water Relations and Carbon Dynamics (190 papers), Geology and Paleoclimatology Research (124 papers), Climate variability and models (48 papers), Ecology and Vegetation Dynamics Studies (30 papers), Forest ecology and management (25 papers), Archaeology and ancient environmental studies (21 papers) and Horticultural and Viticultural Research (12 papers). The work is most often cited by research in Atmospheric Science (15.1k citations), Global and Planetary Change (12.0k citations), Nature and Landscape Conservation (3.6k citations), Paleontology (1.4k citations) and Earth-Surface Processes (757 citations). Jan Esper has collaborated with scholars based in Germany, Switzerland and Czechia. Frequent co-authors include David Frank, Ulf Büntgen, Fritz Hans Schweingruber, Edward R. Cook, Jürg Luterbacher, Valérie Trouet, Rob Wilson, Paul J. Krusic, Kerstin Treydte and Willy Tegel. Their work appears in journals such as Dendrochronologia, Quaternary Science Reviews, Geophysical Research Letters, Trees and Climate Dynamics.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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