Article
Geography, Physical
Glenn R. Sharman, Jacob A. Covault, Peter P. Flaig, Regan Dunn, Preston Fussee-Durham, Toti E. Larson, Timothy M. Shanahan, Kalli Dubois, John B. Shaw, James L. Crowley, Barry Shaulis
Summary: By studying drill core samples from two locations in Texas, evidence of the impact of global warming on ancient coastal systems was found. The increased sediment delivery and coastline progradation in these ancient coastal areas indicate significant changes caused by global warming. This discovery highlights the importance of understanding the effects of global warming on coastal evolution.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2023)
Article
Geosciences, Multidisciplinary
Zuoling Chen, Zhongli Ding, Shiling Yang, Jimin Sun, Min Zhu, Yilin Xiao, Fengtai Tong, Yao Liang
Summary: By analyzing the chemistry of lacustrine sediments in the Nanyang Basin, eastern China, during the Paleocene-Eocene Thermal Maximum (PETM), it was found that there was a significant increase in silicate weathering intensity, indicating a strong link between carbon cycle, climate, and chemical weathering on millennial timescales.
GEOPHYSICAL RESEARCH LETTERS
(2023)
Article
Geochemistry & Geophysics
Victor A. Piedrahita, Simone Galeotti, Xiang Zhao, Andrew P. Roberts, Eelco J. Rohling, David Heslop, Fabio Florindo, Katharine M. Grant, Laura Rodriguez-Sanz, Daniele Reghellin, Richard E. Zeebe
Summary: This study documents orbital signatures in marine sediments from Contessa Road, Italy, showing orbitally controlled lysocline depth adjustments and orbital phasing of the PETM CIE onset close to both long and short eccentricity maxima. The findings suggest that climate processes associated with orbital forcing of both long and short eccentricity maxima played an important role in triggering the carbon cycle perturbations of all Paleocene-Eocene CIE events.
EARTH AND PLANETARY SCIENCE LETTERS
(2022)
Article
Multidisciplinary Sciences
Sev Kender, Kara Bogus, Gunver K. Pedersen, Karen Dybkjaer, Tamsin A. Mather, Erica Mariani, Andy Ridgwell, James B. Riding, Thomas Wagner, Stephen P. Hesselbo, Melanie J. Leng
Summary: The Paleocene-Eocene Thermal Maximum (PETM) was a period of rapid global warming, potentially triggered by carbon released from volcanic activity and involving multiple carbon reservoirs.
NATURE COMMUNICATIONS
(2021)
Article
Geography, Physical
Kaipeng Ji, Chaowen Wang, Hanlie Hong, Ke Yin, Chenlei Zhao, Yanxiao Xu, Bowen Song, Maarten Prins, Lucas J. Lourens, Philip D. Gingerich, Hemmo A. Abels
Summary: This study investigates the Paleocene-Eocene Thermal Maximum (PETM) event and its impact on weathering and erosion in the Bighorn Basin, Wyoming. The results suggest that physical weathering, enhanced by dry and hot summers along with frequent heavy rainstorms, dominates over chemical weathering in the erosion of clay minerals.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2023)
Article
Geosciences, Multidisciplinary
Vera A. Korasidis, Scott L. Wing, Christine A. Shields, Jeffrey T. Kiehl
Summary: A compilation of terrestrial pollen and spores records across the Paleocene-Eocene transition at 38 sites globally revealed significant differences in PETM palynofloras compared to those in the late Paleocene or early Eocene post-PETM. Inferred paleoclimatic conditions indicated varying diversity of NLRs at different latitudes during the Paleocene and PETM periods.
PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY
(2022)
Article
Geochemistry & Geophysics
Pengfei Xue, Liao Chang, Gerald R. Dickens, Ellen Thomas
Summary: This study used magnetofossil records to reconstruct relative changes in dissolved oxygen content at different water depths during the PETM, and suggested that ocean deoxygenation likely expanded downwards in the early stages of the PETM.
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
(2022)
Article
Geochemistry & Geophysics
Elizabeth H. Denis, Bianca J. Maibauer, Gabriel J. Bowen, Phillip E. Jardine, Guy J. Harrington, Allison A. Baczynski, Francesca A. McInerney, Margaret E. Collinson, Claire M. Belcher, Scott L. Wing, Katherine H. Freeman
Summary: Global warming may perturb the carbon cycling in soil, leading to uncertain impacts on the fate of organic carbon. Research on the Paleocene-Eocene Thermal Maximum suggests that intensified organic matter decay during this period may contribute to the loss of less-labile soil carbon. The severe decline in pyrogenic carbon during the PETM indicates increased rates of soil carbon oxidation, hindering carbon sequestration in soils in a mid-latitude region of the western USA.
EARTH AND PLANETARY SCIENCE LETTERS
(2021)
Article
Geosciences, Multidisciplinary
Yulong Xie, Fuli Wu, Xiaomin Fang
Summary: Analysis of pollen records from the black shale of the lowermost Yangxi Formation in central China reveals the presence of a dense south subtropical forest ecosystem during the Paleocene-Eocene Thermal Maximum, characterized by extremely warm and humid climate with significantly increased precipitation. These findings demonstrate more significant changes in precipitation and terrestrial ecosystems compared to other mid-latitude regions, emphasizing the importance of considering regional geographic characteristics in understanding the environment's response to rapid global warming.
Article
Multidisciplinary Sciences
Jessica E. Tierney, Jiang Zhu, Mingsong Li, Andy Ridgwell, Gregory J. Hakim, Christopher J. Poulsen, Ross D. M. Whiteford, James W. B. Rae, Lee R. Kump
Summary: The Paleocene-Eocene Thermal Maximum (PETM) is an important geological analog for understanding climate dynamics. Using paleoclimate data assimilation, researchers were able to create a spatially complete reconstruction of the PETM and its preceding climate state. The results suggest strong polar amplification and changes in the hydrological cycle, similar to future climate change projections. The study also found that PETM had a much higher equilibrium climate sensitivity (ECS) compared to present-day values.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Environmental Sciences
Pratik Kad, Manuel Tobias Blau, Kyung-Ja Ha, Jiang Zhu
Summary: Through simulation experiments, we found a nonlinear relationship between elevation-dependent temperature changes and CO2 concentrations, regulated by seasonal variations. Radiative and non-radiative feedback compensation is responsible for elevation-dependent temperature changes.
ENVIRONMENTAL RESEARCH LETTERS
(2022)
Article
Geography, Physical
Zuoling Chen, Zhongli Ding, Jimin Sun, Shiling Yang, Xijun Ni, Xu Wang, Yongli Wang, Jiangyong Zhang, Wei He
Summary: The Paleocene-Eocene thermal maximum (PETM) had significant impacts on terrestrial ecosystems, leading to mass mortalities of both terrestrial and aquatic animals. The study suggests that extreme warmth is directly linked to catastrophic ecological events in terrestrial ecosystems.
GLOBAL AND PLANETARY CHANGE
(2023)
Article
Multidisciplinary Sciences
Brittany N. Hupp, D. Clay Kelly, John W. Williams
Summary: The study uses the carbon isotope anomaly marking the PETM to investigate the response of tropical planktic foraminifers during the PETM, revealing that nearly half of foraminifer shells in the record are reworked contaminants. Corrected assemblages show a significant decrease in diversity at the open-ocean site during the PETM, likely caused by heat stress and ocean acidification. These findings suggest that the adaptability of these calcifiers may be strained by the rapid ocean warming and acidification projected for the coming centuries.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Geosciences, Multidisciplinary
Yu Han, Yingchang Cao, Chao Liang, Keyu Liu, Fang Hao
Summary: A paleoclimate reconstruction based on high-resolution records from lacustrine shale in the Bohai Bay Basin reveals a shift in orbital variability and a humidification event at -41.9 Ma in East Asia. The intensification of the East Asian monsoons at this time was likely a response to the elevated atmospheric pCO2 during the concurrent global warming.
Article
Geography, Physical
Elizabeth H. Denis, Brady Z. Foreman, Katherine H. Freeman
Summary: The study reveals increased organic carbon degradation and greater proportions of refractory allochthonous carbon across the Paleocene-Eocene boundary in both the Bighorn Basin and the Piceance Basin. It suggests that decreased clay content in soils, increased fluctuations in soil moisture, higher temperatures, and accelerated microbial decomposition rates contributed to reduced soil organic matter preservation during the PETM. These mechanisms destabilized soil carbon on millennial timescales, leading to sustained soil carbon degradation for tens of thousands of years during the PETM with sustained higher temperatures.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2021)
Article
Biodiversity Conservation
Silvia Pineda-Munoz, Advait M. Jukar, Aniko B. Toth, Danielle Fraser, Andrew Du, W. Andrew Barr, Kathryn L. Amatangelo, Meghan A. Balk, Anna K. Behrensmeyer, Jessica Blois, Matt Davis, Jussi T. Eronen, Nicholas J. Gotelli, Cindy Looy, Joshua H. Miller, Alexandria B. Shupinski, Laura C. Soul, Amelia Villasenor, Scott Wing, S. Kathleen Lyons
Summary: This study explores the ecological changes in late Quaternary North America, particularly focusing on the relationships between mammal species association and body size. The research found that in the Late Pleistocene and Holocene, body mass differences between aggregated and segregated species pairs were significantly smaller than random pairs, indicating environmental filtering and competition as important drivers of community structure. However, in modern times, there was a breakdown in the relationship between body mass differences and co-occurrence patterns, suggesting a reorganization of communities following the Quaternary mammalian extinctions.
Article
Multidisciplinary Sciences
Monica R. Carvalho, Carlos Jaramillo, Felipe de la Parra, Dayenari Caballero-Rodriguez, Fabiany Herrera, Scott Wing, Benjamin L. Turner, Carlos D'Apolito, Millerlandy Romero-Baez, Paula Narvaez, Camila Martinez, Mauricio Gutierrez, Conrad Labandeira, German Bayona, Milton Rueda, Manuel Paez-Reyes, Dairon Cardenas, Alvaro Duque, James L. Crowley, Carlos Santos, Daniele Silvestro
Summary: Research using fossil pollen and leaves from Colombia showed that the end-Cretaceous event led to a 45% decline in plant diversity in tropical forests, which did not recover for approximately 6 million years. The Paleocene forests resembled modern Neotropical rainforests with a closed canopy and multistratal structure dominated by angiosperms.
Article
Plant Sciences
Patrick S. Herendeen, Domingos B. O. S. Cardoso, Fabiany Herrera, Scott L. Wing
Summary: The evolutionary history of flowering plants is better understood through the combination of molecular phylogenies and fossil records. This study describes fossil fruits and leaves from North America and establishes their phylogenetic relationships with extant legume taxa. The findings suggest that the tropical American Bowdichia clade existed in North America during the Paleocene and Eocene, providing insights into its evolutionary implications and paleoenvironmental significance.
AMERICAN JOURNAL OF BOTANY
(2022)
Article
Plant Sciences
Andrew G. Simpson, Scott L. Wing, Charles B. Fenster
Summary: Biodiversity is influenced by dispersal and range size, with animal dispersal enhancing diversification rate in both woody and herbaceous lineages. Woody lineages without animal dispersal have higher extinction rates than speciation rates. Diversification rate variation is affected by interactions between geographic range size, animal-mediated dispersal, and within-genus species richness, which are stronger in woody lineages.
AMERICAN JOURNAL OF BOTANY
(2022)
Article
Geosciences, Multidisciplinary
Evan J. Ramos, Daniel O. Breecker, Jaime D. Barnes, Fangliang Li, Philip D. Gingerich, Staci L. Loewy, Aaron M. Satkoski, Allison A. Baczynski, Scott L. Wing, Nathaniel R. Miller, John C. Lassiter
Summary: This study quantifies changes in silicate weathering intensity during the PETM by measuring the chemistry of bedrock and ancient floodplain sediment in the Bighorn Basin, Wyoming. The results show a rapid increase in silicate weathering intensity during the PETM, which remains elevated even as climate begins to recover. Soils farthest from ancient river channels undergo larger weathering changes, indicating active weathering responses on floodplains.
GEOPHYSICAL RESEARCH LETTERS
(2022)
Article
Geosciences, Multidisciplinary
Vera A. Korasidis, Scott L. Wing, Christine A. Shields, Jeffrey T. Kiehl
Summary: A compilation of terrestrial pollen and spores records across the Paleocene-Eocene transition at 38 sites globally revealed significant differences in PETM palynofloras compared to those in the late Paleocene or early Eocene post-PETM. Inferred paleoclimatic conditions indicated varying diversity of NLRs at different latitudes during the Paleocene and PETM periods.
PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY
(2022)
Article
Geosciences, Multidisciplinary
Martin J. Head, Jan A. Zalasiewicz, Colin N. Waters, Simon D. Turner, Mark Williams, Anthony D. Barnosky, Will Steffen, Michael Wagreich, Peter K. Haff, Jaia Syvitski, Reinhold Leinfelder, Francine M. G. McCarthy, Neil L. Rose, Scott L. Wing, Zhisheng An, Alejandro Cearreta, Andrew B. Cundy, Ian J. Fairchild, Yongming Han, Juliana A. Ivar do Sul, Catherine Jeandel, J. R. McNeill, Colin P. Summerhayes
Summary: In this passage, the author discusses the definition of the Anthropocene and the advantages and disadvantages of different definitions. They argue that the Anthropocene can be both a stratigraphic designation and an interdisciplinary concept used to explain the impact of historical, cultural, and social processes on the global environment.
Article
Geosciences, Multidisciplinary
Colin N. Waters, Mark Williams, Jan Zalasiewicz, Simon D. Turner, Anthony D. Barnosky, Martin J. Head, Scott L. Wing, Michael Wagreich, Will Steffen, Colin P. Summerhayes, Andrew B. Cundy, Jens Zinke, Barbara Fialkiewicz-Koziel, Reinhold Leinfelder, Peter K. Haff, J. R. McNeill, Neil L. Rose, Irka Hajdas, Francine M. G. McCarthy, Alejandro Cearreta, Agnieszka Galuszka, Jaia Syvitski, Yongming Han, Zhisheng An, Ian J. Fairchild, Juliana A. Ivar do Sul, Catherine Jeandel
Summary: Event stratigraphy is used to identify the Anthropocene by categorizing distinct events, with the Great Acceleration Event Array (GAEA) being the most notable. The GAEA represents a significant transition in the Earth System, indicating the base of the Anthropocene as a new geological epoch.
EARTH-SCIENCE REVIEWS
(2022)
Article
Geology
Vera A. Korasidis, Scott L. Wing, David M. Nelson, Allison A. Baczynski
Summary: This study found that there was a dramatic shift in floral composition during the PETM in the Bighorn Basin. However, the palynofloral change was more subtle. The researchers discovered that older pollen grains were extensively redeposited during the PETM, leading to poor preservation of temperate taxon pollen and well-preserved pollen from tropical taxon.
Editorial Material
Paleontology
Scott L. Wing
JOURNAL OF PALEONTOLOGY
(2022)
Article
Geography, Physical
Martin J. Head, Jan A. Zalasiewicz, Colin N. Waters, Simon D. Turner, Mark Williams, Anthony D. Barnosky, Will Steffen, Michael Wagreich, Peter K. Haff, Jaia Syvitski, Reinhold Leinfelder, Francine M. G. Mccarthy, Neil L. Rose, Scott L. Wing, Zhisheng An, Alejandro Cearreta, Andrew B. Cundy, Ian J. Fairchild, Yongming Han, Juliana A. Ivar Do Sul, Catherine Jeandel, J. R. Mcneill, Colin P. Summerhayes
Summary: The extensive mid-20th century stratigraphic event signals provide precise evidence for recognizing the Anthropocene as a separate epoch/series within the Geological Time Scale. The alternative geological event approach highlights the interdisciplinary nature and long-term impacts of historical and socio-cultural processes, suggesting a complementary perspective to the chronostratigraphic delineation of the Anthropocene. It is recommended to separate epochs, events, and episodes for a clearer understanding.
JOURNAL OF QUATERNARY SCIENCE
(2022)
Article
Plant Sciences
Vera A. Korasidis, Scott L. Wing, Guy J. Harrington, Thomas Demchuk, Julia Gravendyck, Phillip E. Jardine, Debra Willard
Summary: Pollen and spores from the Paleocene and Paleocene-Eocene formations in the Bighorn Basin, Wyoming, USA were analyzed. Seven new species were identified and their distributions suggest northward range shifts during the Paleocene-Eocene Thermal Maximum (PETM) due to hotter and more dry climates. The study also confirms the Paleocene-Eocene boundary marker and introduces a new pollen zone associated with specific faunas.
Article
Multidisciplinary Sciences
Emily J. J. Judd, Jessica E. E. Tierney, Brian T. T. Huber, Scott L. L. Wing, Daniel J. J. Lunt, Heather L. L. Ford, Gordon N. N. Inglis, Erin L. L. McClymont, Charlotte L. L. O'Brien, Ronnakrit Rattanasriampaipong, Weimin Si, Matthew L. L. Staitis, Kaustubh Thirumalai, Eleni Anagnostou, Margot J. J. Cramwinckel, Robin R. R. Dawson, David Evans, William R. R. Gray, Ethan L. L. Grossman, Michael J. J. Henehan, Brittany N. N. Hupp, Kenneth G. G. MacLeod, Lauren K. K. O'Connor, Maria Luisa Sanchez Montes, Haijun Song, Yi Ge Zhang
Summary: PhanSST is a database containing over 150,000 paleotemperature proxy data points that can be used to estimate past sea surface temperature. The data have a global distribution, cover a wide temporal range, and include detailed metadata to promote transparency and reproducibility.
Editorial Material
Geosciences, Multidisciplinary
Colin N. Waters, Martin J. Head, Jan Zalasiewicz, Francine M. G. McCarthy, Scott L. Wing, Peter K. Haff, Mark Williams, Anthony D. Barnosky, Barbara Fialkiewicz-Koziel, Reinhold Leinfelder, J. R. McNeill, Neil L. Rose, Will Steffen, Colin P. Summerhayes, Michael Wagreich, Zhisheng An, Alejandro Cearreta, Andrew B. Cundy, Ian J. Fairchild, Agnieszka Galuszka, Irka Hajdas, Yongming Han, Juliana A. Ivar do Sul, Catherine Jeandel, Jaia Syvitski, Simon D. Turner, Jens Zinke
Summary: Merritts et al. inaccurately portray Paul Crutzen's Anthropocene concept, misinterpreting it as encompassing all significant anthropogenic impacts, extending back many millennia. Waters et al. introduced the concept of a Great Acceleration Event Array (GAEA) which highlights diverse and complex stratigraphic event markers that are tightly clustered around 1950 CE, providing a clearly recognizable Anthropocene chronostratigraphic base. The 'Anthropocene event' proposed by Merritts et al., following Gibbard et al., confuses the transformative human impact of the chronostratigraphic Anthropocene. Waters et al. recognize an evidence-based Anthropogenic Modification Episode that is more explicitly defined than the interpretive interdisciplinary 'Anthropocene event' of Gibbard et al.
EARTH-SCIENCE REVIEWS
(2023)
Article
Evolutionary Biology
Steven R. Manchester, Xiaoqing Zhang, Carol L. Hotton, Scott L. Wing, Peter R. Crane
Summary: A new seed-bearing structure named Dayvaultia tetragona gen. et sp. nov. is described, with unique cone morphology and seed arrangement. The study suggests that these cones were common on intermittently inundated floodplains during the Morrison time period.
JOURNAL OF SYSTEMATIC PALAEONTOLOGY
(2021)
Article
Geography, Physical
Huyue Song, Shixue Hu, Michael Benton, Dayong Jiang
Summary: This article examines the end Permian to Middle Triassic interval, which witnessed a significant marine mass extinction and delayed recovery. The focus is on Triassic marine sediments in South China, providing unique documentation of the collapse and recovery of marine ecosystems. Several papers analyze different fossils and their ecological significance, while others study biostratigraphy, reconstruct paleoenvironments, and link records to volcanic eruptions.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2024)
Article
Geography, Physical
Mohammad Firoze Quamar, Upasana Swaroop Banerji, Biswajeet Thakur, Ratan Kar
Summary: The Indian Summer Monsoon is a crucial component of the Asian Monsoon System, impacting rainfall, agricultural productivity, and socio-economic growth in India and nearby regions. The central monsoon zone in India is more responsive to strong monsoon phases than weak ones.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2024)
Article
Geography, Physical
Maria Laura Balestrieri, Valerio Olivetti, David Chew, Luca Zurli, Massimiliano Zattin, Foteini Drakou, Gianluca Cornamusini, Matteo Perotti
Summary: This study presents a multidisciplinary provenance study on legacy cores drilled in the central Ross Sea, Antarctica, providing insights into the oscillation of ice flows and advance and retreat phases of the West Antarctic Ice Sheet.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2024)
Article
Geography, Physical
P. Depuydt, S. Toucanne, C. Barras, S. Le Houedec, M. Mojtahid
Summary: This study provides a comprehensive overview of the dynamics of the upper branch of the Atlantic Meridional Overturning Circulation (AMOC) in the mid-latitudes of the Northeast Atlantic. It focuses on the European Slope Current (ESC) and its glacial equivalent known as the Glacial Eastern Boundary Current (GEBC). The study reveals significant changes in flow strength and ventilation during the glacial and deglaciation periods, as well as a gradual weakening of the slope current during the Holocene.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2024)
Article
Geography, Physical
Junhee Park, Holly J. Stein, Judith L. Hannah, Svetoslav V. Georgiev, Oyvind Hammer, Snorre Olaussen
Summary: This study reports new Re-Os ages for black shales from Svalbard and evaluates the paleoenvironment during organic-rich shale deposition. The study also proposes correlations of specific Late Jurassic ammonite zones between the Boreal and Tethyan realms.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2024)
Article
Geography, Physical
Guocheng Dong, Weijian Zhou, Feng Xian, Yunchong Fu, Li Zhang, Ling Tang, Pengkai Ding
Summary: The cause of ice-age cycles is still not fully understood, and studying the timing and magnitude of mountain glaciations can provide valuable insights. This study presents new dating results from the Niqingqu Valley in the Tibetan Plateau, showing multiple glacial activities prior to the Penultimate Glacial Maximum. The findings suggest that low atmospheric CO2 content and reduced summer solar insolation/high summer-monsoon precipitation played a role in these glacial fluctuations.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2024)
Article
Geography, Physical
Haoran Dong, Zhitong Chen, Yucheng Wang, Jie Chen, Zhiping Zhang, Zhongwei Shen, Xinwei Yan, Jianbao Liu
Summary: Through sediment records from Lake Nanyi in the lower Yangtze, we found that anthropogenic fire activity played a dominant role in the region, and the temporal pattern of fire activity was asynchronous from east to west. Archaeological evidence suggests an inverse relationship between agricultural and population levels and fire intensity during the mid-Holocene, with fire intensity being influenced by the diversity of landscape types associated with pre-historic subsistence patterns. Overall, changes in regional water-level delayed the transition from hunting-gathering to agriculture in the lower Yangtze region.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2024)
Article
Geography, Physical
Giovanni Coletti, Giulia Bosio, Alberto Collareta, Or Mordecai Bialik, Eleonora Regattieri, Irene Cornacchia, Gianni Insacco, John Buckeridge
Summary: This paper argues that sessile barnacles are an excellent proxy for palaeoenvironmental reconstructions. The shells of barnacles consist of diagenetically stable low-magnesium calcite and record short-term variations. Analyses of several Western Mediterranean barnacle-rich deposits demonstrate the utility of barnacles as proxies for water depth, distance from the coastline, and hydrodynamic conditions. Moreover, the stable isotope ratios of barnacle shells can provide detailed palaeoenvironmental information.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2024)
Article
Geography, Physical
Feng Wu, Xinong Xie, Wen Yan, Youhua Zhu, Beichen Chen, Jianuo Chen, Mo Zhou
Summary: This paper describes the Quaternary evolution of Meiji Atoll in the southern South China Sea. The findings show how variations in sea surface temperature, eustatic sea level, and tectonics have influenced the development of the atoll. These findings have broader implications for understanding the Quaternary evolution of similar tropical carbonate atolls in the region.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2024)
Article
Geography, Physical
Ana Mateos, Ericson Hoelzchen, Jesus Rodriguez
Summary: The Epivillafranchian and the transition to the Galerian was a period of environmental fluctuations and faunal turnover. Hominins and giant hyenas could coexist during the Epivillafranchian, but the transition to the Galerian led to a disruption of the scavenging niche, coinciding with the extinction of P. brevirostris.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2024)
Article
Geography, Physical
Tianyu Du, Wensheng Zhang, Bing Li, Linjing Liu, Yuecong Li, Yawen Ge, Shiyong Yu
Summary: This article presents sedimentary evidence for a dramatic channel displacement of the lower Yellow River about 3000-2600 years ago, and explains the impact of this displacement on the geomorphology and human migration.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2024)
Article
Geography, Physical
Johann Mueller, Michael M. Joachimski, Oliver Lehnert, Peep Mannik, Yadong Sun
Summary: The Late Ordovician mass extinction occurred during an ice age, with maximum ice coverage and a substantial drop in global sea level. This led to the exposure or shallowing of shallow tropical shelf environments. The study suggests that the burial rate of nutrient phosphorus (P) on shelves was minimal during this glacial period, leading to excess bioavailable P entering the open ocean and stimulating phytoplankton production, which in turn lowered oxygen concentrations.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2024)
Article
Geography, Physical
Marina Addante, Patrizia Maiorano, Giovanna Scopelliti, Angela Girone, Maria Marino, Samanta Trotta, Antonio Caruso
Summary: This study presents the first high-resolution results on planktonic foraminiferal stable oxygen isotopes and calcareous plankton assemblages, providing insights into the glacial-interglacial variability and North Atlantic climate variability. The research also reveals evidence of the first significant southward migration of the Subarctic Front in the mid-latitudes.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2024)
Article
Geography, Physical
Bing-Cai Liu, Rui-Wen Zong, Kai Wang, Jiao Bai, Yi Wang, Hong-He Xu
Summary: Phytogeography plays a vital role in the evolution of plants. This paper describes a new species of a spore-bearing plant from the upper Silurian period in West Junggar, China. By analyzing global Silurian macrofossil records, the study reveals the spatial-temporal distribution of Silurian plant macrofossils and identifies two phytogeographic realms during the Pridoli Epoch.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2024)
Article
Geography, Physical
Francois Fournier, Thomas Teillet, Alexis Licht, Jean Borgomano, Lucien Montaggioni
Summary: This study investigates the temporal evolution of neritic carbonates in the proto-South China Sea to reconstruct East Asian monsoonal currents and winds during the middle to late Paleogene. The results highlight that many of the features of the summer East Asian Monsoon large-scale circulation are rooted in the middle Paleogene.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2024)