Co-editors-in-chief: Michael Bahn, Steven Bouillon, Anja Rammig, Tina Treude & Sara Vicca
Biogeosciences (BG) is a not-for-profit international scientific journal dedicated to the publication and discussion of research articles, short communications, and review papers on all aspects of the interactions between the biological, chemical, and physical processes in terrestrial or extraterrestrial life with the geosphere, hydrosphere, and atmosphere. The objective of the journal is to cut across the boundaries of established sciences and achieve an interdisciplinary view of these interactions. Experimental, conceptual, and modelling approaches are welcome.
Dirk J. Jong, Lisa Bröder, Tommaso Tesi, Kirsi H. Keskitalo, Nikita Zimov, Anna Davydova, Philip Pika, Negar Haghipour, Timothy I. Eglinton, and Jorien E. Vonk
Preprint under review for BG(discussion: open, 0 comments)
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With this study, we want to highlight the importance of studying both land and ocean together, and water and sediment together, as these systems function as a continuum and determine how organic carbon derived from permafrost is broken down, and its effect on global warming. While on one hand it appears that organic carbon is removed from sediments along the pathway of transport from river to ocean, it also appears to remain relatively ‘fresh’, despite this removal and its very old age.
Preprint under review for BG(discussion: open, 0 comments)
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We used earth observation and datasets of environmental drivers (floods, river channel migration, precipitation and forest fires) to study the space-time dynamics of natural and cultural subtropical grasslands at the foot of the Himalayas. The changes in surface area and heterogeneity of grassland patches, which serve as habitat for the prey of the Royal Bengal Tiger, are attributed to a decrease of anthropogenic disturbances and a relocation of the dominant river channel of the Karnali River.
Preprint under review for BG(discussion: open, 0 comments)
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The primary nitrite maximum is a ubiquitous upper ocean feature where nitrite accumulates, but we still do not understand its formation and the co-occurring microbial processes involved. Using correlative methods and rates measurements, we found strong spatial patterns between environmental conditions and depth of the nitrite maxima, but not the concentration of the maxima. Nitrification was a major producer of nitrite, with occasional high nitrite production from phytoplankton near the coast.
Permafrost thaw in peatlands leads to waterlogged conditions, a favourable environment for microbes producing methane (CH4) and high CH4 emissions. High CH4 emissions in the initial decades following thaw are due to a vegetation community that produces suitable organic matter to fuel CH4-producing microbes, along with warm and wet conditions. High CH4 emissions after thaw persist for up to 100 years, after which environmental conditions are less favourable for microbes and high CH4 emissions.
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Recent forest decline requires understanding forest response to multi-seasonal meteorology. We investigate meteorology over 3 years preceding events of low forest greenness in Europe in 2000–2020 in a highly systematic and quantitative way. We identify time periods when meteorological variables and weather systems are significantly anomalous or persistent. Our interdisciplinary results present progress in understanding how changing meteorology will impact forest performance in this century.
Crop and grassland production indicates a strong reduction due to the shortening of the length of the growing cycle associated with rising temperatures. Greenhouse gas emissions will increase exponentially over the century, often exceeding the CO2 accumulation of agro-ecosystems. Water demand will double in the next few decades, whereas the benefits in terms of yield will not fill the gap of C losses due to climate perturbation. Climate change will have a regionally distributed effect in the EU.
Sparkle L. Malone, Youmi Oh, Kyle A. Arndt, George Burba, Roisin Commane, Alexandra R. Contosta, Jordan P. Goodrich, Henry W. Loescher, Gregory Starr, and Ruth K. Varner
To understand the CH4 flux potential of natural ecosystems and agricultural lands in the United States of America, a multi-scale CH4 observation network focused on CH4 flux rates, processes, and scaling methods is required. This can be achieved with a network of ground-based observations that are distributed based on climatic regions and land cover.
In oceanic waters, the accumulation of phytoplankton biomass in winter, when light still limits growth, is attributed to a decrease in grazing as the mixed layer deepens. However, in coastal areas, it is not clear whether winter biomass can accumulate without this deepening. Using 21 years of weekly data, we found that in the Scottish coastal North Sea, the seasonal increase in light availability triggers the accumulation of phytoplankton biomass in winter, when light limitation is strongest.
Permafrost thaw-driven landslides in the western Arctic are increasing organic carbon delivered to headwaters of drainage networks in the western Canadian Arctic by orders of magnitude. Through a series of laboratory experiments, we show that less than 10 % of this organic carbon is likely to be mineralized to greenhouse gases during transport in these networks. Rather most of the organic carbon is likely destined for burial and sequestration for centuries to millennia.
A 5-year record of long-chain mid-chain diol export flux and composition is presented with a 1- to 3-week resolution sediment trap CBeu (in the NW African upwelling). All environmental parameters as well as the diol composition are dominated by the seasonal cycle, albeit with different phase relations for temperature and upwelling. Most diol-based proxies are dominated by upwelling. The long-chain diol index reflects temperatures of the oligotrophic summer sea surface.
22 Feb 2022–15 Dec 2022 | Karin Rebel, Teresa Gimeno, Sönke Zaehle, Silvia Caldararu, Richard Nair, Victor Rolo, Benjamin Stocker, and Michael Bahn
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Today the European Geosciences Union and Copernicus Publications are announcing sweeping new changes, that will give our authors the ability to make vital alterations to their names in previously published scientific literature. This new policy will allow authors to retrospectively update previous publications with their current names, including conference abstracts, preprints, and peer-reviewed articles.
Today the European Geosciences Union and Copernicus Publications are announcing sweeping new changes, that will give our authors the ability to make vital alterations to their names in previously published scientific literature. This new policy will allow authors to retrospectively update previous publications with their current names, including conference abstracts, preprints, and peer-reviewed articles.
EGUsphere, the innovative open-access repository created by the European Geosciences Union and Copernicus Publications, is growing. For the first time, authors will be able to upload preprints to the online resource, taking advantage of EGU’s pioneering public peer-review process, whilst preparing their papers for future release.
EGUsphere, the innovative open-access repository created by the European Geosciences Union and Copernicus Publications, is growing. For the first time, authors will be able to upload preprints to the online resource, taking advantage of EGU’s pioneering public peer-review process, whilst preparing their papers for future release.
The Labrador Sea between Canada and Greenland is often referred to as a 'lung of the deep ocean' because it is one of only a handful of locations worldwide where oxygen from the atmosphere can enter the deepest layers of the ocean. In a new study published in BG, a team of researchers from Dalhousie University in Halifax, Canada and the GEOMAR Helmholtz Centre for Ocean Research Kiel in Germany have now, for the first time, measured the flow of oxygen into the deep ocean interior that is carried by these deep currents. It is the oceanographic equivalent of measuring oxygen transport in our bodies through the main artery or aorta.
The Labrador Sea between Canada and Greenland is often referred to as a 'lung of the deep ocean' because it is one of only a handful of locations worldwide where oxygen from the atmosphere can enter the deepest layers of the ocean. In a new study published in BG, a team of researchers from Dalhousie University in Halifax, Canada and the GEOMAR Helmholtz Centre for Ocean Research Kiel in Germany have now, for the first time, measured the flow of oxygen into the deep ocean interior that is carried by these deep currents. It is the oceanographic equivalent of measuring oxygen transport in our bodies through the main artery or aorta.
To show our support for Ukraine and in accordance with current European sanctions, we have introduced a range of measures relevant to our open-access publications process.
All fees for papers from authors (first, corresponding, or contact authors) affiliated to Ukrainian institutions are automatically waived, regardless of if these papers are co-authored by scientists affiliated to Russian and/or Belarusian institutions. The only exception to the waiver for Ukrainian authors will be if the corresponding or contact authors are from a Russian and/or Belarusian institution, in that case the APCs are not waived.
Due to restrictions for authors from Russian and Belarusian institutions that are necessary to comply with European sanctions, we recommend any authors from institutions in these countries to contact us on editorial@copernicus.org for more information.
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