Articles | Volume 17, issue 5
https://doi.org/10.5194/bg-17-1213-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-17-1213-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
04 Mar 2020
Research article |
| 04 Mar 2020
| 04 Mar 2020
Fire hazard modulation by long-term dynamics in land cover and dominant forest type in eastern and central Europe
Angelica Feurdean
CORRESPONDING AUTHOR
Senckenberg Biodiversity and Climate Research Centre (BiK-F),
Senckenberganlage 25, 60325 Frankfurt am Main, Germany
Institute of Physical Geography, Goethe University,
Altenhöferallee 1, 60438 Frankfurt am Main, Germany
Department of Geology, Babeş-Bolyai University, Kogălniceanu
1, 400084 Cluj-Napoca, Romania
Boris Vannière
CNRS Chrono-environnement UMR 6249 and MSHE USR 3124, Université
Bourgogne Franche-Comté, 25000 Besançon, France
Walter Finsinger
ISEM, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France
Dan Warren
Senckenberg Biodiversity and Climate Research Centre (BiK-F),
Senckenberganlage 25, 60325 Frankfurt am Main, Germany
Simon C. Connor
CNRS Chrono-environnement UMR 6249 and MSHE USR 3124, Université
Bourgogne Franche-Comté, 25000 Besançon, France
Matthew Forrest
Senckenberg Biodiversity and Climate Research Centre (BiK-F),
Senckenberganlage 25, 60325 Frankfurt am Main, Germany
Johan Liakka
Nansen Environmental and Remote Sensing Center, Bjerknes Centre for
Climate Research, Thormøhlensgate 47, 5006 Bergen, Norway
Andrei Panait
Department of Geology, Babeş-Bolyai University, Kogălniceanu
1, 400084 Cluj-Napoca, Romania
Christian Werner
Senckenberg Biodiversity and Climate Research Centre (BiK-F),
Senckenberganlage 25, 60325 Frankfurt am Main, Germany
Institute of Meteorology and
Climate Research, Karlsruhe Institute of Technology, Kreuzeckbahnstr. 19, 82467 Garmisch-Partenkirchen, Germany
Maja Andrič
Institute of Archaeology, ZRC SAZU, Novi trg 2, 1000, Ljubljana,
Slovenia
Premysl Bobek
Laboratory of Paleoecology, Institute of Botany of the Czech Academy
of Sciences, Lidická 25/27, 602 00 Brno, Czech Republic
Vachel A. Carter
Department of Botany, Faculty of Science, Charles University,
Benátská 2, 128 01 Prague, Czech Republic
Basil Davis
Institute of Earth Surface Dynamics, University of Lausanne, 1015
Lausanne, Switzerland
Andrei-Cosmin Diaconu
Department of Geology, Babeş-Bolyai University, Kogălniceanu
1, 400084 Cluj-Napoca, Romania
Elisabeth Dietze
Organic
Geochemistry, GFZ German Research Centre for Geosciences, Telegrafenberg, 14473 Potsdam, Germany
Polar Terrestrial Environmental Systems Group, Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research Potsdam, Telegrafenberg, 14473 Potsdam, Germany
Ingo Feeser
Institute of Pre- and Protohistoric Archaeology, University of Kiel,
Johanna-Mestorf-Straße 2–6, 24118 Kiel, Germany
Gabriela Florescu
Department of Geology, Babeş-Bolyai University, Kogălniceanu
1, 400084 Cluj-Napoca, Romania
Department of Botany, Faculty of Science, Charles University,
Benátská 2, 128 01 Prague, Czech Republic
Mariusz Gałka
Department of Geobotany and Plant Ecology, Faculty of Biology and
Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland
Thomas Giesecke
Department of Physical Geography, Faculty of Geosciences, Utrecht University, P.O. Box 80115, 3508 TC, Utrecht, the Netherlands
Susanne Jahns
Heritage Management and Archaeological Museum of the State of
Brandenburg, Wünsdorfer Platz 4–5, 15806 Zossen, Germany
Eva Jamrichová
Laboratory of Paleoecology, Institute of Botany of the Czech Academy
of Sciences, Lidická 25/27, 602 00 Brno, Czech Republic
Katarzyna Kajukało
Laboratory for Climate Change Ecology, Adam Mickiewicz
University, Krygowskiego 10, 61-680 Poznań, Poland
Institute of Plant Sciences, University of Bern, Altenbergrain 21, 3013 Bern, Switzerland
Jed Kaplan
Institute of Geography, Augsburg University, Alter Postweg 118,
86159 Augsburg, Germany
Monika Karpińska-Kołaczek
Laboratory for Climate Change Ecology, Adam Mickiewicz
University, Krygowskiego 10, 61-680 Poznań, Poland
Piotr Kołaczek
Laboratory for Climate Change Ecology, Adam Mickiewicz
University, Krygowskiego 10, 61-680 Poznań, Poland
Petr Kuneš
Department of Botany, Faculty of Science, Charles University,
Benátská 2, 128 01 Prague, Czech Republic
Dimitry Kupriyanov
Faculty of Geography, Lomonosov Moscow State University,
Leninskie gory 1, 119991 Moscow, Russia
Mariusz Lamentowicz
Laboratory for Climate Change Ecology, Adam Mickiewicz
University, Krygowskiego 10, 61-680 Poznań, Poland
Carsten Lemmen
Institute of Coastal Research,
Helmholtz-Zentrum Geesthacht, 21502 Geesthacht, Germany
Enikö K. Magyari
Research Group for Paleontology, Department of Environmental and Landscape Geography, Eötvös Loránd University,
Pázmány Péter stny. 1/C, 1117 Budapest, Hungary
Katarzyna Marcisz
Laboratory for Climate Change Ecology, Adam Mickiewicz
University, Krygowskiego 10, 61-680 Poznań, Poland
Elena Marinova
Laboratory for Archaeobotany, State Office for Cultural Heritage Baden-Württemberg Referat
84.1, Fischersteig 9, 78343
Gaienhofen-Hemmenhofen, Germany
Aidin Niamir
Senckenberg Biodiversity and Climate Research Centre (BiK-F),
Senckenberganlage 25, 60325 Frankfurt am Main, Germany
Elena Novenko
Faculty of Geography, Lomonosov Moscow State University,
Leninskie gory 1, 119991 Moscow, Russia
Department of Quaternary Research, Institute of Geography, Russian
Academy of Sciences, Staromonetny Lane 29, 119017 Moscow, Russia
Milena Obremska
Institute of Geological Sciences, Polish Academy of Sciences, Twarda
51/55, 00-818 Warsaw, Poland
Anna Pędziszewska
Laboratory of Palaeoecology and Archaeobotany, Department of Plant
Ecology, Faculty of Biology, University of Gdańsk, ul. Wita Stwosza 59,
80-308 Gdańsk, Poland
Mirjam Pfeiffer
Senckenberg Biodiversity and Climate Research Centre (BiK-F),
Senckenberganlage 25, 60325 Frankfurt am Main, Germany
Anneli Poska
Department of Geology, Tallinn University of Technology, Ehitajate
tee 5, 19086 Tallinn, Estonia
Department of Physical Geography and Ecosystem Science, Lund
University, Sölvegatan 12, 22362 Lund, Sweden
Manfred Rösch
Institut für Ur- und Frühgeschichte und Vorderasiatische
Archäologie, Universiät Heidelberg, Sandgasse 7, 69117 Heidelberg, Germany
Michal Słowiński
Past Landscape Dynamics Laboratory, Institute of
Geography and Spatial Organization, Polish Academy of Sciences, Twarda
51/55, 00-818 Warsaw, Poland
Miglė Stančikaitė
Institute of Geology and Geography, Nature Research Centre,
Akademijos Str. 2, Vilnius 08412, Lithuania
Marta Szal
Department of Paleobotany, Institute of Biology, University of Białystok, Ciołkowskiego 1J, 15-245 Białystok, Poland
Joanna Święta-Musznicka
Laboratory of Palaeoecology and Archaeobotany, Department of Plant
Ecology, Faculty of Biology, University of Gdańsk, ul. Wita Stwosza 59,
80-308 Gdańsk, Poland
Ioan Tanţău
Department of Geology, Babeş-Bolyai University, Kogălniceanu
1, 400084 Cluj-Napoca, Romania
Martin Theuerkauf
Institute of Botany and Landscape Ecology, University of Greifswald,
Soldmannstraße 15, 17489 Greifswald, Germany
Spassimir Tonkov
Laboratory of Palynology, Faculty of Biology, Sofia University St.
Kliment Ohridski, Dragan Tsankov 8, 1164 Sofia, Bulgaria
Orsolya Valkó
MTA-ÖK Lendület Seed Ecology Research Group, Institute of Ecology and Botany, Centre for Ecological Research, Alkotmány str. 2–4, 2163 Vácrátót, Hungary
Jüri Vassiljev
Department of Geology, Tallinn University of Technology, Ehitajate
tee 5, 19086 Tallinn, Estonia
Siim Veski
Department of Geology, Tallinn University of Technology, Ehitajate
tee 5, 19086 Tallinn, Estonia
Ildiko Vincze
Research Group for Paleontology, Department of Environmental and Landscape Geography, Eötvös Loránd University,
Pázmány Péter stny. 1/C, 1117 Budapest, Hungary
Agnieszka Wacnik
W. Szafer Institute of Botany, Polish Academy of Sciences, Lubicz 46,
31-512 Kraków, Poland
Julian Wiethold
Laboratoire archéobotaniques, Direction Grand Est, Institut national de recherches archéologiques preventives (Inrap), 12 rue de
Méric, 57063 Metz, France
Thomas Hickler
Senckenberg Biodiversity and Climate Research Centre (BiK-F),
Senckenberganlage 25, 60325 Frankfurt am Main, Germany
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Luke Oliver Andrews, Katarzyna Marcisz, Piotr Kołaczek, Leeli Amon, Siim Veski, Atko Heinsalu, Normunds Stivrins, Mariusz Bąk, Marco A. Aquino-Lopez, Anna Cwanek, Edyta Łokas, Monika Karpińska-Kołaczek, Sambor Czerwiński, Michał Słowiński, and Mariusz Lamentowicz
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Agnieszka Halaś, Mariusz Lamentowicz, Milena Obremska, Dominika Łuców, and Michał Słowiński
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Western Siberian peatlands regulate global climate, but their response to permafrost thaw remains poorly studied. Our study analyzed peat cores from a peat plateau and a lake edge to track changes over two centuries. We found that permafrost thawing, driven by rising temperatures, altered peatland hydrology, vegetation, and microbial life. These shifts may expand with further warming, affecting carbon storage and climate feedbacks. Our findings highlight early warning signs of ecosystem change.
Mariusz Bąk, Mariusz Lamentowicz, Piotr Kołaczek, Daria Wochal, Michał Jakubowicz, Luke Andrews, and Katarzyna Marcisz
Biogeosciences, 22, 3843–3866, https://doi.org/10.5194/bg-22-3843-2025, https://doi.org/10.5194/bg-22-3843-2025, 2025
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We integrated palaeoecological and geochemical data to discern the impact of catastrophic events on the development of peatlands within pine monocultures. An approach that integrates these methods is not commonly employed but offers a more comprehensive understanding of past ecosystem transformations. We used multi-proxy research of the peat core and neodymium isotope record. We support the results of our analyses with the recognition of statistically significant critical transitions.
Mateus Dantas de Paula, Tatiana Reichert, Laynara F. Lugli, Erica McGale, Kerstin Pierick, João Paulo Darela-Filho, Liam Langan, Jürgen Homeier, Anja Rammig, and Thomas Hickler
Biogeosciences, 22, 2707–2732, https://doi.org/10.5194/bg-22-2707-2025, https://doi.org/10.5194/bg-22-2707-2025, 2025
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This study explores how plant roots with different forms and functions rely on fungal partnerships for nutrient uptake. This relationship was integrated into a vegetation model and was tested in a tropical forest in Ecuador. The model accurately predicted root traits and showed that without fungi, biomass decreased by up to 80 %. The findings highlight the critical role of fungi in ecosystem processes and suggest that root–fungal interactions should be considered in vegetation models.
Friedrich J. Bohn, Ana Bastos, Romina Martin, Anja Rammig, Niak Sian Koh, Giles B. Sioen, Bram Buscher, Louise Carver, Fabrice DeClerck, Moritz Drupp, Robert Fletcher, Matthew Forrest, Alexandros Gasparatos, Alex Godoy-Faúndez, Gregor Hagedorn, Martin C. Hänsel, Jessica Hetzer, Thomas Hickler, Cornelia B. Krug, Stasja Koot, Xiuzhen Li, Amy Luers, Shelby Matevich, H. Damon Matthews, Ina C. Meier, Mirco Migliavacca, Awaz Mohamed, Sungmin O, David Obura, Ben Orlove, Rene Orth, Laura Pereira, Markus Reichstein, Lerato Thakholi, Peter H. Verburg, and Yuki Yoshida
Biogeosciences, 22, 2425–2460, https://doi.org/10.5194/bg-22-2425-2025, https://doi.org/10.5194/bg-22-2425-2025, 2025
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An interdisciplinary collaboration of 36 international researchers from 35 institutions highlights recent findings in biosphere research. Within eight themes, they discuss issues arising from climate change and other anthropogenic stressors and highlight the co-benefits of nature-based solutions and ecosystem services. Based on an analysis of these eight topics, we have synthesized four overarching insights.
Mateus Dantas de Paula, Matthew Forrest, David Warlind, João Paulo Darela Filho, Katrin Fleischer, Anja Rammig, and Thomas Hickler
Geosci. Model Dev., 18, 2249–2274, https://doi.org/10.5194/gmd-18-2249-2025, https://doi.org/10.5194/gmd-18-2249-2025, 2025
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Our study maps global nitrogen (N) and phosphorus (P) availability and how they changed from 1901 to 2018. We find that tropical regions are mostly P-limited, while temperate and boreal areas face N limitations. Over time, P limitation increased, especially in the tropics, while N limitation decreased. These shifts are key to understanding global plant growth and carbon storage, highlighting the importance of including P dynamics in ecosystem models.
Luke Oberhagemann, Maik Billing, Werner von Bloh, Markus Drüke, Matthew Forrest, Simon P. K. Bowring, Jessica Hetzer, Jaime Ribalaygua Batalla, and Kirsten Thonicke
Geosci. Model Dev., 18, 2021–2050, https://doi.org/10.5194/gmd-18-2021-2025, https://doi.org/10.5194/gmd-18-2021-2025, 2025
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Under climate change, the conditions necessary for wildfires to form are occurring more frequently in many parts of the world. To help predict how wildfires will change in future, global fire models are being developed. We analyze and further develop one such model, SPITFIRE. Our work identifies and corrects sources of substantial bias in the model that are important to the global fire modelling field. With this analysis and these developments, we help to provide a basis for future improvements.
Martin Thurner, Kailiang Yu, Stefano Manzoni, Anatoly Prokushkin, Melanie A. Thurner, Zhiqiang Wang, and Thomas Hickler
Biogeosciences, 22, 1475–1493, https://doi.org/10.5194/bg-22-1475-2025, https://doi.org/10.5194/bg-22-1475-2025, 2025
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Nitrogen concentrations in tree tissues (leaves, branches, stems, and roots) are related to photosynthesis, growth, and respiration and thus to vegetation carbon uptake. Our novel database allows us to identify the controls of tree tissue nitrogen concentrations in boreal and temperate forests, such as tree age/size, species, and climate. Changes therein will affect tissue nitrogen concentrations and thus also vegetation carbon uptake.
Ryan Vella, Matthew Forrest, Andrea Pozzer, Alexandra P. Tsimpidi, Thomas Hickler, Jos Lelieveld, and Holger Tost
Atmos. Chem. Phys., 25, 243–262, https://doi.org/10.5194/acp-25-243-2025, https://doi.org/10.5194/acp-25-243-2025, 2025
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This study examines how land cover changes influence biogenic volatile organic compound (BVOC) emissions and atmospheric states. Using a coupled chemistry–climate–vegetation model, we compare present-day land cover (deforested for crops and grazing) with natural vegetation and an extreme reforestation scenario. We find that vegetation changes significantly impact global BVOC emissions and organic aerosols but have a relatively small effect on total aerosols, clouds, and radiative effects.
Matthew Forrest, Jessica Hetzer, Maik Billing, Simon P. K. Bowring, Eric Kosczor, Luke Oberhagemann, Oliver Perkins, Dan Warren, Fátima Arrogante-Funes, Kirsten Thonicke, and Thomas Hickler
Biogeosciences, 21, 5539–5560, https://doi.org/10.5194/bg-21-5539-2024, https://doi.org/10.5194/bg-21-5539-2024, 2024
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Climate change is causing an increase in extreme wildfires in Europe, but drivers of fire are not well understood, especially across different land cover types. We used statistical models with satellite data, climate data, and socioeconomic data to determine what affects burning in cropland and non-cropland areas of Europe. We found different drivers of burning in cropland burning vs. non-cropland to the point that some variables, e.g. population density, had the complete opposite effects.
Mariusz Bąk, Mariusz Lamentowicz, Piotr Kołaczek, Daria Wochal, Paweł Matulewski, Dominik Kopeć, Martyna Wietecha, Dominika Jaster, and Katarzyna Marcisz
Biogeosciences, 21, 5143–5172, https://doi.org/10.5194/bg-21-5143-2024, https://doi.org/10.5194/bg-21-5143-2024, 2024
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The study combines palaeoecological, dendrochronological, remote sensing and historical data to detect the impact of forest management and climate change on peatlands. Due to these changes, the peatland studied in this paper and the pine monoculture surrounding it have become vulnerable to water deficits and various types of disturbance, such as fires and pest infestations. As a result of forest management, there has also been a complete change in the vegetation composition of the peatland.
Basil A. S. Davis, Marc Fasel, Jed O. Kaplan, Emmanuele Russo, and Ariane Burke
Clim. Past, 20, 1939–1988, https://doi.org/10.5194/cp-20-1939-2024, https://doi.org/10.5194/cp-20-1939-2024, 2024
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During the last ice age (21 000 yr BP) in Europe, the composition and extent of forest and its associated climate remain unclear, with models indicating more forest north of the Alps and a warmer and somewhat wetter climate than suggested by the data. A new compilation of pollen records with improved dating suggests greater agreement with model climates but still suggests models overestimate forest cover, especially in the west.
Dana A. Lapides, W. Jesse Hahm, Matthew Forrest, Daniella M. Rempe, Thomas Hickler, and David N. Dralle
Biogeosciences, 21, 1801–1826, https://doi.org/10.5194/bg-21-1801-2024, https://doi.org/10.5194/bg-21-1801-2024, 2024
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Water stored in weathered bedrock is rarely incorporated into vegetation and Earth system models despite increasing recognition of its importance. Here, we add a weathered bedrock component to a widely used vegetation model. Using a case study of two sites in California and model runs across the United States, we show that more accurately representing subsurface water storage and hydrology increases summer plant water use so that it better matches patterns in distributed data products.
Walter Finsinger, Christian Bigler, Christoph Schwörer, and Willy Tinner
Biogeosciences, 21, 1629–1638, https://doi.org/10.5194/bg-21-1629-2024, https://doi.org/10.5194/bg-21-1629-2024, 2024
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Rate-of-change records based on compositional data are ambiguous as they may rise irrespective of the underlying trajectory of ecosystems. We emphasize the importance of characterizing both the direction and the rate of palaeoecological changes in terms of key features of ecosystems rather than solely on community composition. Past accelerations of community transformation may document the potential of ecosystems to rapidly recover important ecological attributes and functions.
Emmanuele Russo, Jonathan Buzan, Sebastian Lienert, Guillaume Jouvet, Patricio Velasquez Alvarez, Basil Davis, Patrick Ludwig, Fortunat Joos, and Christoph C. Raible
Clim. Past, 20, 449–465, https://doi.org/10.5194/cp-20-449-2024, https://doi.org/10.5194/cp-20-449-2024, 2024
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We present a series of experiments conducted for the Last Glacial Maximum (~21 ka) over Europe using the regional climate Weather Research and Forecasting model (WRF) at convection-permitting resolutions. The model, with new developments better suited to paleo-studies, agrees well with pollen-based climate reconstructions. This agreement is improved when considering different sources of uncertainty. The effect of convection-permitting resolutions is also assessed.
Katja Frieler, Jan Volkholz, Stefan Lange, Jacob Schewe, Matthias Mengel, María del Rocío Rivas López, Christian Otto, Christopher P. O. Reyer, Dirk Nikolaus Karger, Johanna T. Malle, Simon Treu, Christoph Menz, Julia L. Blanchard, Cheryl S. Harrison, Colleen M. Petrik, Tyler D. Eddy, Kelly Ortega-Cisneros, Camilla Novaglio, Yannick Rousseau, Reg A. Watson, Charles Stock, Xiao Liu, Ryan Heneghan, Derek Tittensor, Olivier Maury, Matthias Büchner, Thomas Vogt, Tingting Wang, Fubao Sun, Inga J. Sauer, Johannes Koch, Inne Vanderkelen, Jonas Jägermeyr, Christoph Müller, Sam Rabin, Jochen Klar, Iliusi D. Vega del Valle, Gitta Lasslop, Sarah Chadburn, Eleanor Burke, Angela Gallego-Sala, Noah Smith, Jinfeng Chang, Stijn Hantson, Chantelle Burton, Anne Gädeke, Fang Li, Simon N. Gosling, Hannes Müller Schmied, Fred Hattermann, Jida Wang, Fangfang Yao, Thomas Hickler, Rafael Marcé, Don Pierson, Wim Thiery, Daniel Mercado-Bettín, Robert Ladwig, Ana Isabel Ayala-Zamora, Matthew Forrest, and Michel Bechtold
Geosci. Model Dev., 17, 1–51, https://doi.org/10.5194/gmd-17-1-2024, https://doi.org/10.5194/gmd-17-1-2024, 2024
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Our paper provides an overview of all observational climate-related and socioeconomic forcing data used as input for the impact model evaluation and impact attribution experiments within the third round of the Inter-Sectoral Impact Model Intercomparison Project. The experiments are designed to test our understanding of observed changes in natural and human systems and to quantify to what degree these changes have already been induced by climate change.
Angelica Feurdean, Richard S. Vachula, Diana Hanganu, Astrid Stobbe, and Maren Gumnior
Biogeosciences, 20, 5069–5085, https://doi.org/10.5194/bg-20-5069-2023, https://doi.org/10.5194/bg-20-5069-2023, 2023
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This paper presents novel results of laboratory-produced charcoal forms from various grass, forb and shrub taxa from the Eurasian steppe to facilitate more robust interpretations of fuel sources and fire types in grassland-dominated ecosystems. Advancements in identifying fuel sources and changes in fire types make charcoal analysis relevant to studies of plant evolution and fire management.
Esmeralda Cruz-Silva, Sandy P. Harrison, I. Colin Prentice, Elena Marinova, Patrick J. Bartlein, Hans Renssen, and Yurui Zhang
Clim. Past, 19, 2093–2108, https://doi.org/10.5194/cp-19-2093-2023, https://doi.org/10.5194/cp-19-2093-2023, 2023
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We examined 71 pollen records (12.3 ka to present) in the eastern Mediterranean, reconstructing climate changes. Over 9000 years, winters gradually warmed due to orbital factors. Summer temperatures peaked at 4.5–5 ka, likely declining because of ice sheets. Moisture increased post-11 kyr, remaining high from 10–6 kyr before a slow decrease. Climate models face challenges in replicating moisture transport.
Ryan Vella, Andrea Pozzer, Matthew Forrest, Jos Lelieveld, Thomas Hickler, and Holger Tost
Biogeosciences, 20, 4391–4412, https://doi.org/10.5194/bg-20-4391-2023, https://doi.org/10.5194/bg-20-4391-2023, 2023
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We investigated the effect of the El Niño–Southern Oscillation (ENSO) on biogenic volatile organic compound (BVOC) emissions from plants. ENSO events can cause a significant increase in these emissions, which have a long-term impact on the Earth's atmosphere. Persistent ENSO conditions can cause long-term changes in vegetation, resulting in even higher BVOC emissions. We link ENSO-induced emission anomalies with driving atmospheric and vegetational variables.
Gustav Strandberg, Jie Chen, Ralph Fyfe, Erik Kjellström, Johan Lindström, Anneli Poska, Qiong Zhang, and Marie-José Gaillard
Clim. Past, 19, 1507–1530, https://doi.org/10.5194/cp-19-1507-2023, https://doi.org/10.5194/cp-19-1507-2023, 2023
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The impact of land use and land cover change (LULCC) on the climate around 2500 years ago is studied using reconstructions and models. The results suggest that LULCC impacted the climate in parts of Europe. Reconstructed LULCC shows up to 1.5 °C higher temperature in parts of Europe in some seasons. This relatively strong response implies that anthropogenic LULCC that had occurred by the late prehistoric period may have already affected the European climate by 2500 years ago.
Anne Dallmeyer, Anneli Poska, Laurent Marquer, Andrea Seim, and Marie-José Gaillard
Clim. Past, 19, 1531–1557, https://doi.org/10.5194/cp-19-1531-2023, https://doi.org/10.5194/cp-19-1531-2023, 2023
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We compare past tree cover changes in Europe during the last 8000 years simulated with two dynamic global vegetation models and inferred from pollen data. The major model–data mismatch is related to the much earlier onset of anthropogenic deforestation in the data compared to the prescribed land use in the models. We show that land use, and not climate, is the main driver of the Holocene forest decline. The model–data agreement depends on the model tuning, challenging model–data comparisons.
Ulrike Herzschuh, Thomas Böhmer, Manuel Chevalier, Raphaël Hébert, Anne Dallmeyer, Chenzhi Li, Xianyong Cao, Odile Peyron, Larisa Nazarova, Elena Y. Novenko, Jungjae Park, Natalia A. Rudaya, Frank Schlütz, Lyudmila S. Shumilovskikh, Pavel E. Tarasov, Yongbo Wang, Ruilin Wen, Qinghai Xu, and Zhuo Zheng
Clim. Past, 19, 1481–1506, https://doi.org/10.5194/cp-19-1481-2023, https://doi.org/10.5194/cp-19-1481-2023, 2023
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A mismatch between model- and proxy-based Holocene climate change may partially originate from the poor spatial coverage of climate reconstructions. Here we investigate quantitative reconstructions of mean annual temperature and annual precipitation from 1908 pollen records in the Northern Hemisphere. Trends show strong latitudinal patterns and differ between (sub-)continents. Our work contributes to a better understanding of the global mean.
Knut Kaiser, Martin Theuerkauf, and Falk Hieke
E&G Quaternary Sci. J., 72, 127–161, https://doi.org/10.5194/egqsj-72-127-2023, https://doi.org/10.5194/egqsj-72-127-2023, 2023
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The ongoing ecological conversion of mountain forests in the Erzgebirge conceptually also requires a historical perspective on the very long-term vegetation and land-use dynamics. We collected and evaluated 121 pollen diagrams. Pollen indications of a local prehistoric human impact also in the higher altitudes find archaeological parallels in the region. The pollen data show that immediately before the medieval clearing, forests were mainly dominated by beech and fir and complemented by spruce.
Ulrike Herzschuh, Thomas Böhmer, Chenzhi Li, Manuel Chevalier, Raphaël Hébert, Anne Dallmeyer, Xianyong Cao, Nancy H. Bigelow, Larisa Nazarova, Elena Y. Novenko, Jungjae Park, Odile Peyron, Natalia A. Rudaya, Frank Schlütz, Lyudmila S. Shumilovskikh, Pavel E. Tarasov, Yongbo Wang, Ruilin Wen, Qinghai Xu, and Zhuo Zheng
Earth Syst. Sci. Data, 15, 2235–2258, https://doi.org/10.5194/essd-15-2235-2023, https://doi.org/10.5194/essd-15-2235-2023, 2023
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Climate reconstruction from proxy data can help evaluate climate models. We present pollen-based reconstructions of mean July temperature, mean annual temperature, and annual precipitation from 2594 pollen records from the Northern Hemisphere, using three reconstruction methods (WA-PLS, WA-PLS_tailored, and MAT). Since no global or hemispheric synthesis of quantitative precipitation changes are available for the Holocene so far, this dataset will be of great value to the geoscientific community.
Mary Robles, Odile Peyron, Guillemette Ménot, Elisabetta Brugiapaglia, Sabine Wulf, Oona Appelt, Marion Blache, Boris Vannière, Lucas Dugerdil, Bruno Paura, Salomé Ansanay-Alex, Amy Cromartie, Laurent Charlet, Stephane Guédron, Jacques-Louis de Beaulieu, and Sébastien Joannin
Clim. Past, 19, 493–515, https://doi.org/10.5194/cp-19-493-2023, https://doi.org/10.5194/cp-19-493-2023, 2023
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Quantitative climate reconstructions based on pollen and brGDGTs reveal, for the Late Glacial, a warm Bølling–Allerød and a marked cold Younger Dryas in Italy, showing no latitudinal differences in terms of temperatures across Italy. In terms of precipitation, no latitudinal differences are recorded during the Bølling–Allerød, whereas 40–42° N appears as a key junction point between wetter conditions in southern Italy and drier conditions in northern Italy during the Younger Dryas.
Ryan Vella, Matthew Forrest, Jos Lelieveld, and Holger Tost
Geosci. Model Dev., 16, 885–906, https://doi.org/10.5194/gmd-16-885-2023, https://doi.org/10.5194/gmd-16-885-2023, 2023
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Biogenic volatile organic compounds (BVOCs) are released by vegetation and have a major impact on atmospheric chemistry and aerosol formation. Non-interacting vegetation constrains the majority of numerical models used to estimate global BVOC emissions, and thus, the effects of changing vegetation on emissions are not addressed. In this work, we replace the offline vegetation with dynamic vegetation states by linking a chemistry–climate model with a global dynamic vegetation model.
Markus Czymzik, Rik Tjallingii, Birgit Plessen, Peter Feldens, Martin Theuerkauf, Matthias Moros, Markus J. Schwab, Carla K. M. Nantke, Silvia Pinkerneil, Achim Brauer, and Helge W. Arz
Clim. Past, 19, 233–248, https://doi.org/10.5194/cp-19-233-2023, https://doi.org/10.5194/cp-19-233-2023, 2023
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Productivity increases in Lake Kälksjön sediments during the last 9600 years are likely driven by the progressive millennial-scale winter warming in northwestern Europe, following the increasing Northern Hemisphere winter insolation and decadal to centennial periods of a more positive NAO polarity. Strengthened productivity variability since ∼5450 cal yr BP is hypothesized to reflect a reinforcement of NAO-like atmospheric circulation.
Leeli Amon, Friederike Wagner-Cremer, Jüri Vassiljev, and Siim Veski
Clim. Past, 18, 2143–2153, https://doi.org/10.5194/cp-18-2143-2022, https://doi.org/10.5194/cp-18-2143-2022, 2022
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The spring onset and growing season dynamics during the Late Glacial period in the Baltic region were reconstructed using the micro-phenology based on dwarf birch subfossil leaf cuticles. The comparison of pollen- and chironomid-inferred past temperature estimations with spring onset, growth degree day, and plant macrofossil data shows coherent patterns during the cooler Older Dryas and warmer Bølling–Allerød periods but more complicated climate dynamics during the Younger Dryas cold reversal.
Angelica Feurdean, Andrei-Cosmin Diaconu, Mirjam Pfeiffer, Mariusz Gałka, Simon M. Hutchinson, Geanina Butiseaca, Natalia Gorina, Spassimir Tonkov, Aidin Niamir, Ioan Tantau, Hui Zhang, and Sergey Kirpotin
Clim. Past, 18, 1255–1274, https://doi.org/10.5194/cp-18-1255-2022, https://doi.org/10.5194/cp-18-1255-2022, 2022
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We used palaeoecological records from peatlands in southern Siberia. We showed that warmer climate conditions have lowered the water level and increased the fuel amount and flammability, consequently also increasing the frequency and severity of fires as well as the composition of tree types.
Ramesh Glückler, Rongwei Geng, Lennart Grimm, Izabella Baisheva, Ulrike Herzschuh, Kathleen R. Stoof-Leichsenring, Stefan Kruse, Andrei Andreev, Luidmila Pestryakova, and Elisabeth Dietze
EGUsphere, https://doi.org/10.5194/egusphere-2022-395, https://doi.org/10.5194/egusphere-2022-395, 2022
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Despite rapidly intensifying wildfire seasons in Siberian boreal forests, little is known about long-term relationships between changes in vegetation and shifts in wildfire activity. Using lake sediment proxies, we reconstruct such environmental changes over the past 10,800 years in Central Yakutia. We find that a more open forest may facilitate increased amounts of vegetation burning. The present-day dense larch forest might yet be mediating the current climate-driven wildfire intensification.
Hao-Cheng Yu, Yinglong Joseph Zhang, Lars Nerger, Carsten Lemmen, Jason C. S. Yu, Tzu-Yin Chou, Chi-Hao Chu, and Chuen-Teyr Terng
EGUsphere, https://doi.org/10.5194/egusphere-2022-114, https://doi.org/10.5194/egusphere-2022-114, 2022
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We develop a new data assimilative approach by combining two parallel frameworks: PDAF and ESMF. This allows maximum flexibility and easy implementation of data assimilation for fully coupled earth system model applications. It is also validated by using a simple benchmark and applied to a realistic case simulation around Taiwan. The real case test shows significant improvement for temperature, velocity and surface elevation before, during and after typhoon events.
Esther Githumbi, Ralph Fyfe, Marie-Jose Gaillard, Anna-Kari Trondman, Florence Mazier, Anne-Birgitte Nielsen, Anneli Poska, Shinya Sugita, Jessie Woodbridge, Julien Azuara, Angelica Feurdean, Roxana Grindean, Vincent Lebreton, Laurent Marquer, Nathalie Nebout-Combourieu, Miglė Stančikaitė, Ioan Tanţău, Spassimir Tonkov, Lyudmila Shumilovskikh, and LandClimII data contributors
Earth Syst. Sci. Data, 14, 1581–1619, https://doi.org/10.5194/essd-14-1581-2022, https://doi.org/10.5194/essd-14-1581-2022, 2022
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Reconstruction of past land cover is necessary for the study of past climate–land cover interactions and the evaluation of climate models and land-use scenarios. We used 1128 available pollen records from across Europe covering the last 11 700 years in the REVEALS model to calculate percentage cover and associated standard errors for 31 taxa, 12 plant functional types and 3 land-cover types. REVEALS results are reliant on the quality of the input datasets.
Sandy P. Harrison, Roberto Villegas-Diaz, Esmeralda Cruz-Silva, Daniel Gallagher, David Kesner, Paul Lincoln, Yicheng Shen, Luke Sweeney, Daniele Colombaroli, Adam Ali, Chéïma Barhoumi, Yves Bergeron, Tatiana Blyakharchuk, Přemysl Bobek, Richard Bradshaw, Jennifer L. Clear, Sambor Czerwiński, Anne-Laure Daniau, John Dodson, Kevin J. Edwards, Mary E. Edwards, Angelica Feurdean, David Foster, Konrad Gajewski, Mariusz Gałka, Michelle Garneau, Thomas Giesecke, Graciela Gil Romera, Martin P. Girardin, Dana Hoefer, Kangyou Huang, Jun Inoue, Eva Jamrichová, Nauris Jasiunas, Wenying Jiang, Gonzalo Jiménez-Moreno, Monika Karpińska-Kołaczek, Piotr Kołaczek, Niina Kuosmanen, Mariusz Lamentowicz, Martin Lavoie, Fang Li, Jianyong Li, Olga Lisitsyna, José Antonio López-Sáez, Reyes Luelmo-Lautenschlaeger, Gabriel Magnan, Eniko Katalin Magyari, Alekss Maksims, Katarzyna Marcisz, Elena Marinova, Jenn Marlon, Scott Mensing, Joanna Miroslaw-Grabowska, Wyatt Oswald, Sebastián Pérez-Díaz, Ramón Pérez-Obiol, Sanna Piilo, Anneli Poska, Xiaoguang Qin, Cécile C. Remy, Pierre J. H. Richard, Sakari Salonen, Naoko Sasaki, Hieke Schneider, William Shotyk, Migle Stancikaite, Dace Šteinberga, Normunds Stivrins, Hikaru Takahara, Zhihai Tan, Liva Trasune, Charles E. Umbanhowar, Minna Väliranta, Jüri Vassiljev, Xiayun Xiao, Qinghai Xu, Xin Xu, Edyta Zawisza, Yan Zhao, Zheng Zhou, and Jordan Paillard
Earth Syst. Sci. Data, 14, 1109–1124, https://doi.org/10.5194/essd-14-1109-2022, https://doi.org/10.5194/essd-14-1109-2022, 2022
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We provide a new global data set of charcoal preserved in sediments that can be used to examine how fire regimes have changed during past millennia and to investigate what caused these changes. The individual records have been standardised, and new age models have been constructed to allow better comparison across sites. The data set contains 1681 records from 1477 sites worldwide.
Marcus Reckermann, Anders Omstedt, Tarmo Soomere, Juris Aigars, Naveed Akhtar, Magdalena Bełdowska, Jacek Bełdowski, Tom Cronin, Michał Czub, Margit Eero, Kari Petri Hyytiäinen, Jukka-Pekka Jalkanen, Anders Kiessling, Erik Kjellström, Karol Kuliński, Xiaoli Guo Larsén, Michelle McCrackin, H. E. Markus Meier, Sonja Oberbeckmann, Kevin Parnell, Cristian Pons-Seres de Brauwer, Anneli Poska, Jarkko Saarinen, Beata Szymczycha, Emma Undeman, Anders Wörman, and Eduardo Zorita
Earth Syst. Dynam., 13, 1–80, https://doi.org/10.5194/esd-13-1-2022, https://doi.org/10.5194/esd-13-1-2022, 2022
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As part of the Baltic Earth Assessment Reports (BEAR), we present an inventory and discussion of different human-induced factors and processes affecting the environment of the Baltic Sea region and their interrelations. Some are naturally occurring and modified by human activities, others are completely human-induced, and they are all interrelated to different degrees. The findings from this study can largely be transferred to other comparable marginal and coastal seas in the world.
Jack Longman, Daniel Veres, Aritina Haliuc, Walter Finsinger, Vasile Ersek, Daniela Pascal, Tiberiu Sava, and Robert Begy
Clim. Past, 17, 2633–2652, https://doi.org/10.5194/cp-17-2633-2021, https://doi.org/10.5194/cp-17-2633-2021, 2021
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Peatlands are some of the best environments for storing carbon; thus, comprehending how much carbon can be stored and how amounts have changed through time is important to understand carbon cycling. We analysed nine peatlands from central–eastern Europe to look at how carbon storage in mountain bogs has changed over the last 10 000 years. We conclude that human activity is the main driver of changes in storage levels over the past 4000 years; prior to this, climate was the primary driver.
Vojtěch Abraham, Sheila Hicks, Helena Svobodová-Svitavská, Elissaveta Bozilova, Sampson Panajiotidis, Mariana Filipova-Marinova, Christin Eldegard Jensen, Spassimir Tonkov, Irena Agnieszka Pidek, Joanna Święta-Musznicka, Marcelina Zimny, Eliso Kvavadze, Anna Filbrandt-Czaja, Martina Hättestrand, Nurgül Karlıoğlu Kılıç, Jana Kosenko, Maria Nosova, Elena Severova, Olga Volkova, Margrét Hallsdóttir, Laimdota Kalniņa, Agnieszka M. Noryśkiewicz, Bożena Noryśkiewicz, Heather Pardoe, Areti Christodoulou, Tiiu Koff, Sonia L. Fontana, Teija Alenius, Elisabeth Isaksson, Heikki Seppä, Siim Veski, Anna Pędziszewska, Martin Weiser, and Thomas Giesecke
Biogeosciences, 18, 4511–4534, https://doi.org/10.5194/bg-18-4511-2021, https://doi.org/10.5194/bg-18-4511-2021, 2021
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We present a continental dataset of pollen accumulation rates (PARs) collected by pollen traps. This absolute measure of pollen rain (grains cm−2 yr−1) has a positive relationship to current vegetation and latitude. Trap and fossil PARs have similar values within one region, so it opens up possibilities for using fossil PARs to reconstruct past changes in plant biomass and primary productivity. The dataset is available in the Neotoma Paleoecology Database.
Ramesh Glückler, Ulrike Herzschuh, Stefan Kruse, Andrei Andreev, Stuart Andrew Vyse, Bettina Winkler, Boris K. Biskaborn, Luidmila Pestryakova, and Elisabeth Dietze
Biogeosciences, 18, 4185–4209, https://doi.org/10.5194/bg-18-4185-2021, https://doi.org/10.5194/bg-18-4185-2021, 2021
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Data about past fire activity are very sparse in Siberia. This study presents a first high-resolution record of charcoal particles from lake sediments in boreal eastern Siberia. It indicates that current levels of charcoal accumulation are not unprecedented. While a recent increase in reconstructed fire frequency coincides with rising temperatures and increasing human activity, vegetation composition does not seem to be a major driver behind changes in the fire regime in the past two millennia.
Angelica Feurdean
Biogeosciences, 18, 3805–3821, https://doi.org/10.5194/bg-18-3805-2021, https://doi.org/10.5194/bg-18-3805-2021, 2021
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This study characterized the diversity of laboratory-produced charcoal morphological features of various fuel types from Siberia at different temperatures. The results obtained improve the attribution of charcoal particles to fuel types and fire characteristics. This work also provides recommendations for the application of this information to refine the past wildfire history.
Sascha Scherer, Benjamin Höpfer, Katleen Deckers, Elske Fischer, Markus Fuchs, Ellen Kandeler, Jutta Lechterbeck, Eva Lehndorff, Johanna Lomax, Sven Marhan, Elena Marinova, Julia Meister, Christian Poll, Humay Rahimova, Manfred Rösch, Kristen Wroth, Julia Zastrow, Thomas Knopf, Thomas Scholten, and Peter Kühn
SOIL, 7, 269–304, https://doi.org/10.5194/soil-7-269-2021, https://doi.org/10.5194/soil-7-269-2021, 2021
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This paper aims to reconstruct Middle Bronze Age (MBA) land use practices in the northwestern Alpine foreland (SW Germany, Hegau). We used a multi-proxy approach including biogeochemical proxies from colluvial deposits in the surroundings of a MBA settlement, on-site archaeobotanical and zooarchaeological data and off-site pollen data. From our data we infer land use practices such as plowing, cereal growth, forest farming and use of fire that marked the beginning of major colluvial deposition.
Lucas Dugerdil, Sébastien Joannin, Odile Peyron, Isabelle Jouffroy-Bapicot, Boris Vannière, Bazartseren Boldgiv, Julia Unkelbach, Hermann Behling, and Guillemette Ménot
Clim. Past, 17, 1199–1226, https://doi.org/10.5194/cp-17-1199-2021, https://doi.org/10.5194/cp-17-1199-2021, 2021
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Since the understanding of Holocene climate change appears to be a relevant issue for future climate change, the paleoclimate calibrations have to be improved. Here, surface samples from Mongolia and Siberia were analyzed to provide new calibrations for pollen and biomarker climate models. These calibrations appear to be more powerful than global calibrations, especially in an arid central Asian context. These calibrations will improve the understanding of monsoon Holocene oscillations.
Fabian Welc, Jerzy Nitychoruk, Leszek Marks, Krzysztof Bińka, Anna Rogóż-Matyszczak, Milena Obremska, and Abdelfattah Zalat
Clim. Past, 17, 1181–1198, https://doi.org/10.5194/cp-17-1181-2021, https://doi.org/10.5194/cp-17-1181-2021, 2021
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Młynek Lake, located near the village of Janiki Wielkie (in the Warmia and Masuria region of north-east Poland) has been selected for multi-faceted palaeoenvironmental research based on a precise radiocarbon scale. Bottom sediments of this reservoir also contain unique information about anthropogenic activity and climate changes during last 2400 years.
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Short summary
Our study covers the full Holocene (the past 11 500 years) climate variability and vegetation composition and provides a test on how vegetation and climate interact to determine fire hazard. An important implication of this test is that percentage of tree cover can be used as a predictor of the probability of fire occurrence. Biomass burned is highest at ~ 45 % tree cover in temperate forests and at ~ 60–65 % tree cover in needleleaf-dominated forests.
Our study covers the full Holocene (the past 11 500 years) climate variability and vegetation...
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