Wolfram M. Kürschner
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View article: Fossil leaf cuticle: Best practices for preparation and paleo-CO2 analysis
Fossil leaf cuticle: Best practices for preparation and paleo-CO2 analysis Open
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View article: Toward a Cenozoic history of atmospheric CO <sub>2</sub>
Toward a Cenozoic history of atmospheric CO <sub>2</sub> Open
The geological record encodes the relationship between climate and atmospheric carbon dioxide (CO 2 ) over long and short timescales, as well as potential drivers of evolutionary transitions. However, reconstructing CO 2 beyond direct meas…
View article: Re-evaluation of<i>Cerebropollenites thiergartii</i>Eberh.Schulz 1967 and related taxa: priority of<i>Sciadopityspollenites</i>and nomenclatural novelties
Re-evaluation of<i>Cerebropollenites thiergartii</i>Eberh.Schulz 1967 and related taxa: priority of<i>Sciadopityspollenites</i>and nomenclatural novelties Open
The important marker species for the base of the Jurassic, Cerebropollenites thiergartii, occurs contemporaneously with at least nine related taxa. However, their distinction is difficult and has been confused in the past. In addition, a l…
View article: Re-evaluation of <i>Cerebropollenites thiergartii</i> Eberh.Schulz 1967 and related taxa: priority of <i>Sciadopityspollenites</i> and nomenclatural novelties
Re-evaluation of <i>Cerebropollenites thiergartii</i> Eberh.Schulz 1967 and related taxa: priority of <i>Sciadopityspollenites</i> and nomenclatural novelties Open
The important marker species for the base of the Jurassic, Cerebropollenites thiergartii, occurs contemporaneously with at least nine related taxa. However, their distinction is difficult and has been confused in the past. In addition, a l…
View article: Oscillations of a fluvial‐lacustrine system and its ecological response prior to the <scp>end‐Triassic</scp> : Evidence from the eastern Tethys region
Oscillations of a fluvial‐lacustrine system and its ecological response prior to the <span>end‐Triassic</span> : Evidence from the eastern Tethys region Open
The end‐Triassic mass extinction is considered one of the “Big Five” extinction events in the Phanerozoic. However, whether the terrestrial ecosystem began to deteriorate or even collapse prior to the Triassic–Jurassic (Tr‐J) transition re…
View article: Palynology of Early Cretaceous (Barremian to Aptian) hydrocarbon (methane) seep carbonates and associated mudstones, Wollaston Forland, Northeast Greenland
Palynology of Early Cretaceous (Barremian to Aptian) hydrocarbon (methane) seep carbonates and associated mudstones, Wollaston Forland, Northeast Greenland Open
Palynostratigraphic and palynofacies analysis have been performed on hydrocarbon seep carbonate, carbonate nodule and mudstone samples from the Early Cretaceous Kuhnpasset Beds in the Kuhnpasset area of Wollaston Forland, Northeast Greenla…
View article: Massive and rapid predominantly volcanic CO <sub>2</sub> emission during the end-Permian mass extinction
Massive and rapid predominantly volcanic CO <sub>2</sub> emission during the end-Permian mass extinction Open
Significance The end-Permian mass extinction event (ca. 252 Mya) is the most-severe biodiversity loss in Earth’s history and is globally recognized by a rapid negative carbon isotope excursion. The trigger of this event, however, remains c…
View article: Massive and rapid predominantly volcanic CO2 emission during the end-Permian mass extinction
Massive and rapid predominantly volcanic CO2 emission during the end-Permian mass extinction Open
This model output is affiliated with the manuscript in review at the Proceedings of the National Academy of Sciences: "Massive and rapid predominantly volcanic CO2 emission during the end-Permian mass extinction".
View article: The Miocene: The Future of the Past
The Miocene: The Future of the Past Open
The Miocene epoch (23.03–5.33 Ma) was a time interval of global warmth, relative to today. Continental configurations and mountain topography transitioned toward modern conditions, and many flora and fauna evolved into the same taxa that e…
View article: Sediment Cyclicity and the Carnian Pluvial Episode: Evidence from Spectral Gamma-ray Logging of the Mercia Mudstone Group, SW England
Sediment Cyclicity and the Carnian Pluvial Episode: Evidence from Spectral Gamma-ray Logging of the Mercia Mudstone Group, SW England Open
The Late Triassic exposed on the Devon coast (SW England) is analysed through spectral gamma-ray logging and considered in terms of two theories of palaeoenvironmental change: sediment cyclicity and the Carnian Pluvial Episode (CPE). A dec…
View article: (009) A proposal to solve a paradox when neotypifying names of fossil‐taxa
(009) A proposal to solve a paradox when neotypifying names of fossil‐taxa Open
History has given us too many examples where types of the names of taxa have been lost. For example, the destruction of the Berlin Herbarium (B) after a bombing raid in 1943 was a severe blow for the botanical world. A major part of one of…
View article: Effects of geological heterogeneity on fluid distribution and pressure propagation in a shallow, stacked aquifer system at the ECCSEL Svelvik CO2 Field Lab, Norway
Effects of geological heterogeneity on fluid distribution and pressure propagation in a shallow, stacked aquifer system at the ECCSEL Svelvik CO2 Field Lab, Norway Open
<p>The ECCSEL Svelvik CO2 Field Lab is a test site for shallow CO2 injection operated by SINTEF, where the aim is to improve monitoring techniques and extend the knowledge base for storing CO2 underground in deep saline aquifers as a…
View article: Palynology of Holocene Lake Baikal sediments
Palynology of Holocene Lake Baikal sediments Open
<p class="p1"><span class="s1">The Class@Baikal 2019 expedition led by UNESCO-Moscow State University Educational-Scientific Center for Marine Geology and Geophysics (the Department of Geology, Moscow State …
View article: Sedimentological and palynological investigations of the Neoproterozoic Valdres Group
Sedimentological and palynological investigations of the Neoproterozoic Valdres Group Open
The Valdres Group (?Cryogenian) has been sedimentologically and stratigraphically studied and sampled in a few key sites (Grønsennknippa, Mellane, Ormtjernkampen). The search for fossils in selected formations has been the target and one i…
View article: A comparative study of total organic carbon-δ13C signatures in the Triassic–Jurassic transitional beds of the Central European Basin and western Tethys shelf seas
A comparative study of total organic carbon-δ13C signatures in the Triassic–Jurassic transitional beds of the Central European Basin and western Tethys shelf seas Open
Stratigraphic studies are an integral component in understanding the chronology of events that led to the end-Triassic mass extinction, by resolving causal relationships between environmental upheavals and biotic response. Successful corre…
View article: Colorado Plateau Coring Project, Phase I (CPCP-I): a continuously cored, globally exportable chronology of Triassic continental environmental change from western North America
Colorado Plateau Coring Project, Phase I (CPCP-I): a continuously cored, globally exportable chronology of Triassic continental environmental change from western North America Open
Phase 1 of the Colorado Plateau Coring Project (CPCP-I) recovered a total of over 850 m of stratigraphically overlapping core from three coreholes at two sites in the Early to Middle and Late Triassic age largely fluvial Moenkopi and Chinl…
View article: A continental record of the Carnian Pluvial Episode (CPE) from the Mercia Mudstone Group (UK): palynology and climatic implications
A continental record of the Carnian Pluvial Episode (CPE) from the Mercia Mudstone Group (UK): palynology and climatic implications Open
The generally arid Late Triassic climate was interrupted by a wet phase during the mid-Carnian termed the Carnian Pluvial Episode (CPE). Quantitative palynological data from the Mercia Mudstone Group in the Wessex Basin (UK) reveal vegetat…
View article: Salinity changes and anoxia resulting from enhanced run-off during the late Permian global warming and mass extinction event
Salinity changes and anoxia resulting from enhanced run-off during the late Permian global warming and mass extinction event Open
The late Permian biotic crisis had a major impact on marine and terrestrial environments. Rising CO2 levels following Siberian Trap volcanic activity were likely responsible for expanding marine anoxia and elevated water temperatures. This…
View article: Salinity changes and anoxia resulting from enhanced runoff during the late Permian global warming and mass extinction event
Salinity changes and anoxia resulting from enhanced runoff during the late Permian global warming and mass extinction event Open
The Late Permian biotic crisis had a major impact on marine and terrestrial environments. Rising CO2 levels following Siberian Trap volcanic activity were likely responsible for expanding marine anoxia and elevated water temperatures. This…
View article: Multi-Year Leaf-Level Response to Sub-Ambient and Elevated Experimental CO2 in Betula nana
Multi-Year Leaf-Level Response to Sub-Ambient and Elevated Experimental CO2 in Betula nana Open
The strong link between stomatal frequency and CO2 in woody plants is key for understanding past CO2 dynamics, predicting future change, and evaluating the significant role of vegetation in the hydrological cycle. Experimental validation i…
View article: Palynostratigraphy and vegetation history of the Triassic–Jurassic transition in East Greenland
Palynostratigraphy and vegetation history of the Triassic–Jurassic transition in East Greenland Open
We present a palynological study of a terrestrial Triassic–Jurassic (Tr–J; c. 200 Ma) boundary section at Astartekløft, East Greenland. We have generated a new palynostratigraphic scheme and vegetation history for this locality, and have i…