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37 results on '"Tjallingii, Rik"'

7. Identification of the Campanian Ignimbrite in the Dead Sea and consequent time-transgressive hydroclimatic shifts in the Eastern Mediterranean

Author

Kearney, Rebecca J., primary, Schwab, Markus J., additional, Redant, Daniel, additional, Neugebauer, Ina, additional, Appelt, Oona, additional, Blanchet, Cecile, additional, Fietzke, Jan, additional, Günter, Christina, additional, Müller, Daniela J. M., additional, Tjallingii, Rik, additional, and Brauer, Achim, additional

Published
2024
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8. Author Correction: Western Caucasus regional hydroclimate controlled by cold-season temperature variability since the Last Glacial Maximum

Author

Wolf, Annabel, primary, Baker, Jonathan Lloyd, additional, Tjallingii, Rik, additional, Cai, Yanjun, additional, Osinzev, Alexander, additional, Antonosyan, Mariya, additional, Amano, Noel, additional, Johnson, Kathleen Rose, additional, Skiba, Vanessa, additional, McCormack, Jeremy, additional, Kwiecien, Ola, additional, Chervyatsova, Olga Yakovlevna, additional, Dublyansky, Yuri Viktorovich, additional, Dbar, Roman Saidovich, additional, Cheng, Hai, additional, and Breitenbach, Sebastian Franz Martin, additional

Published
2024
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9. Postglacial flooding and Holocene climate shifts in the Persian Gulf

Author

Beni, Abdolmajid Naderi, primary, Leduc, Guillaume, additional, Djamali, Morteza, additional, Sharifi, Arash, additional, Marriner, Nick, additional, Tachikawa, Kazuyo, additional, Rostek, Frauke, additional, Tjallingii, Rik, additional, Lahijani, Hamid, additional, Arabshahi, Mahboubeh Molavi, additional, Garcia, Marta, additional, Licari, Laetitia, additional, Tetard, Martin, additional, Bellinghery, Marie‐Charlotte, additional, and Bard, Edouard, additional

Published
2024
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10. Western Caucasus regional hydroclimate controlled by cold-season temperature variability since the Last Glacial Maximum

Author

Wolf, Annabel, primary, Baker, Jonathan Lloyd, additional, Tjallingii, Rik, additional, Cai, Yanjun, additional, Osinzev, Alexander, additional, Antonosyan, Mariya, additional, Amano, Noel, additional, Johnson, Kathleen Rose, additional, Skiba, Vanessa, additional, McCormack, Jeremy, additional, Kwiecien, Ola, additional, Chervyatsova, Olga Yakovlevna, additional, Dublyansky, Yuri Viktorovich, additional, Dbar, Roman Saidovich, additional, Cheng, Hai, additional, and Breitenbach, Sebastian Franz Martin, additional

Published
2024
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13. Identification of the Campanian Ignimbrite in the Dead Sea and consequent time-transgressive hydroclimatic shifts in the Eastern Mediterranean

Author

Kearney, Rebecca J., primary, Schwab, Markus J., additional, Redant, Daniel, additional, Neugebauer, Ina, additional, Appelt, Oona, additional, Blanchet, Cecile, additional, Fietzke, Jan, additional, Günter, Christina, additional, Müller, Daniela J.M., additional, Tjallingii, Rik, additional, and Brauer, Achim, additional

Published
2023
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15. Boron geochemistry reveals the evolution of Dead Sea brines

Author

Jurikova, Hana, primary, Ring, Simon J., additional, Henehan, Michael J., additional, Neugebauer, Ina, additional, Schröder, Birgit, additional, Müller, Daniela, additional, Schwab, Markus J., additional, Tjallingii, Rik, additional, Brauer, Achim, additional, and Blanchet, Cécile, additional

Published
2023
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16. Re‐investigation of the Bispingen palaeolake sediment succession (northern Germany) reveals that the Last Interglacial (Eemian) in northern‐central Europe lasted at least ~15 000 years.

Author

Lauterbach, Stefan, Neumann, Frank H., Tjallingii, Rik, and Brauer, Achim

Subjects
SEDIMENTS, CLIMATE change, SEDIMENTATION & deposition
Abstract

Investigating past interglacial climatic and environmental changes can enhance our understanding of the natural rates and ranges of climate variability under interglacial boundary conditions. However, comparing past interglacial palaeoclimate records from different regions and archives is often complicated by differing and uncertain chronologies. For instance, the duration of the Last Interglacial in Europe is still controversial as southern European palaeoclimate records suggest a duration of ~16 500–18 000 years, while a length of only ~11 000 years in northern‐central Europe was previously inferred from the analysis of partly annually laminated (varved) palaeolake sediments recovered at Bispingen, northern Germany. To resolve this discrepancy, we here present sediment microfacies, geochemistry and pollen data from a new sediment core from the Bispingen palaeolake sediment succession, covering the entire Last Interglacial (Eemian) and the earliest part of the Last Glacial (Weichselian). In particular, we provide evidence that the duration of the Last Interglacial at Bispingen must have been hitherto underestimated due to the investigation of an incomplete sediment core. Using microscopic varve counting and sedimentation rate estimates for non‐varved sections on the new sediment core, we show that the Eemian in northern‐central Europe probably lasted at least ~15 000 years, about 4000 years longer than previously thought. This new duration estimate is in much better agreement with results from southern European palaeoclimate records, clarifying the enigma of a steep trans‐European vegetation gradient for several millennia at the end of the Last Interglacial. [ABSTRACT FROM AUTHOR]

Published
2024
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22. Mid-Holocene reinforcement of North Atlantic atmospheric circulation variability from a western Baltic lake sediment record

Author

Czymzik, Markus, primary, Tjallingii, Rik, additional, Plessen, Birgit, additional, Feldens, Peter, additional, Theuerkauf, Martin, additional, Moros, Matthias, additional, Schwab, Markus J., additional, Nantke, Carla K. M., additional, Pinkerneil, Silvia, additional, Brauer, Achim, additional, and Arz, Helge W., additional

Published
2023
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23. Accurately calibrated X-ray fluorescence core scanning (XRF-CS) record of Ti ∕ Al reveals Early Pleistocene aridity and humidity variability over North Africa and its close relationship to low-latitude insolation

Author

Hennekam, Rick, primary, Grant, Katharine M., additional, Rohling, Eelco J., additional, Tjallingii, Rik, additional, Heslop, David, additional, Roberts, Andrew P., additional, Lourens, Lucas J., additional, and Reichart, Gert-Jan, additional

Published
2022
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24. sj-docx-1-hol-10.1177_09596836231183062 – Supplemental material for Natural and human-induced ecosystem change in SE Europe since AD 1700 derived from a partially varved sediment record from Lake Vouliagmeni (Greece)

Author

Koutsodendris, Andreas, Brauer, Achim, Friedrich, Oliver, Tjallingii, Rik, Putyrskaya, Victoria, Hennrich, Barbara, Kühn, Robert, Klemt, Eckehard, and Pross, Jörg

Subjects
History, Geography
Abstract

Supplemental material, sj-docx-1-hol-10.1177_09596836231183062 for Natural and human-induced ecosystem change in SE Europe since AD 1700 derived from a partially varved sediment record from Lake Vouliagmeni (Greece) by Andreas Koutsodendris, Achim Brauer, Oliver Friedrich, Rik Tjallingii, Victoria Putyrskaya, Barbara Hennrich, Robert Kühn, Eckehard Klemt and Jörg Pross in The Holocene

Published
2023
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25. Mid-Holocene reinforcement of North Atlantic atmospheric circulation variability from a western Baltic lake sediment record

Author

Czymzik, Markus, primary, Tjallingii, Rik, additional, Plessen, Birgit, additional, Feldens, Peter, additional, Theuerkauf, Martin, additional, Moros, Matthias, additional, Schwab, Markus J., additional, Nantke, Carla K. M., additional, Pinkerneil, Silvia, additional, Brauer, Achim, additional, and Arz, Helge W., additional

Published
2022
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30. New insights into lake responses to rapid climate change

Author

Müller, Daniela (Dr.), Tjallingii, Rik (Dr.), Plociennik, Mateusz, Luoto, Tomi P., Kotrys, Bartosz, Plessen, Birgit (Dr.), Ramisch, Arne (Dr.), Schwab, Markus Julius, Blaszkiewicz, Miroslaw, Slowinski, Michal, and Brauer, Achim

Subjects
ddc:550, Institut für Geowissenschaften
Abstract

The sediment profile from Lake Goscia(z) over dot in central Poland comprises a continuous, seasonally resolved and exceptionally well-preserved archive of the Younger Dryas (YD) climate variation. This provides a unique opportunity for detailed investigation of lake system responses during periods of rapid climate cooling (YD onset) and warming (YD termination). The new varve record of Lake Goscia(z) over dot presented here spans 1662 years from the late Allerod (AL) to the early Preboreal (PB). Microscopic varve counting provides an independent chronology with a YD duration of 1149+14/-22 years, which confirms previous results of 1140 +/- 40 years. We link stable oxygen isotopes and chironomid-based air temperature reconstructions with the response of various geochemical and varve microfacies proxies especially focusing on the onset and termination of the YD. Cooling at the YD onset lasted similar to 180 years, which is about a century longer than the terminal warming that was completed in similar to 70 years. During the AL/YD transition, environmental proxy data lagged the onset of cooling by similar to 90 years and revealed an increase of lake productivity and internal lake re-suspension as well as slightly higher detrital sediment input. In contrast, rapid warming and environmental changes during the YD/PB transition occurred simultaneously. However, initial changes such as declining diatom deposition and detrital input occurred already a few centuries before the rapid warming at the YD/PB transition. These environmental changes likely reflect a gradual increase in summer air temperatures already during the YD. Our data indicate complex and differing environmental responses to the major climate changes related to the YD, which involve different proxy sensitivities and threshold processes.

Published
2021

31. Accurately calibrated X-ray fluorescence core scanning (XRF-CS) record of Ti / Al reveals Early Pleistocene aridity and humidity variability over North Africa and its close relationship to low-latitude insolation.

Author

Hennekam, Rick, Grant, Katharine M., Rohling, Eelco J., Tjallingii, Rik, Heslop, David, Roberts, Andrew P., Lourens, Lucas J., and Reichart, Gert-Jan

Subjects
X-ray fluorescence, SOLAR radiation, TIME series analysis, PLEISTOCENE Epoch, GLACIAL Epoch
Abstract

In eastern Mediterranean sediments, the titanium-to-aluminum ratio (Ti/Al) captures relative variability in eolian to river-derived material and predominantly integrates climate signals over the Saharan and Sahel regions. Long Ti/Al time series can, therefore, provide valuable records of North African humidity and aridity changes. X-ray fluorescence core scanning (XRF-CS) can generate near-continuous Ti/Al records with relatively modest effort and in an acceptable amount of time, provided that accurate Ti/Al values are acquired. Calibration of raw XRF-CS data to those of established analytical methods is an important pathway for obtaining the required accuracy. We assess how to obtain reliable XRF-CS Ti/Al calibration by using different calibration reference sample sets for a long sediment record from ODP Site 967 (eastern Mediterranean Sea). The accuracy of reference concentrations and the number of reference samples are important for reliable calibration. Our continuous Ti/Al record allows detailed time series analysis over the past 3 Myr. Near-direct control of low-latitude insolation on the timing and amplitude of North African aridity and humidity is observed from 3 to ∼ 1.2 Ma. In our Ti/Al record, most arid North African intervals (i.e., with the longest period and highest amplitude) occur after the mid-Pleistocene transition (MPT; ∼ 1.2–0.7 Ma), when ice ages intensified. We also observe a subdued relationship between low-latitude insolation and North African climate after the MPT. These findings support the growing consensus that African climate became more sensitive to remote high-latitude climate when a threshold ice volume was reached during the MPT. [ABSTRACT FROM AUTHOR]

Published
2022
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33. Book of Abstracts - vDEUQUA2021

Author

Abadi, Mehrdad, Abbasi, Hamidreza, Abd El-Raouf, Amr, Abdulkarim, Mubarak, Adolph, Marie-Luise, Aeschbach, Werner, Akçar, Naki, Amini, Hamideh, Andreev, Andrej, Anselmetti, Flavio S., Aumaître, Georges, Avendaño Villeda, Diana, Bartz, Melanie, Baumhauer, Roland, Bazarradnaa, Enkhtuya, Bebiolka, Anke, Behling, Hermann, Benkaddour, Abdelfattah, Binot, Franz, Birlo, Stella, Bittner, Lucas, Bliedtner, Marcel, Bolland, Alexander, Bork, Hans-Rudolf, Bouaziz, Moncef, Bourlès, Didier, Brauer, Achim, Breuer, Sonja, Bromm, Tobias, Buechi, Marius W., Burghardt, Diana, Busch, Robert, Caballero, Margarita, Carr, Andrew S., Chapkanski, Stoil, Christl, Marcus, Cosac, Marian, Dal Corso, Marta, Daniel, Thomas, Dar, Reyaz, Dave, Aditi Krishna, De Jonge, Cindy, Deplazes, Gaudenz, Dietze, Elisabeth, Dietze, Michael, Dietzel, Martin, Dreibrodt, Stefan, Drysdale, Russell, du Plessis, Nadia, Dubois, Nathalie, Duller, Geoff, Duttmann, Rainer, Duval, Mathieu, Döhlert-Albani, Norman, Egli, Markus, Einwögerer, Thomas, Elbracht, Jörg, Enters, Dirk, Enzel, Yehouda, Ertlen, Damien, Farkas, Beáta, Fattahi, Morteza, Faust, Dominik, Faybishenko, Boris, Feistmantl, Nina, Fernandez, Philippe, Ferrier, Catherine, Fiedler, Sabine, Fischer, Birgit, Fischer, Peter, Fitzsimmons, Kathryn, Fletcher, William, Frechen, Manfred, Fuchs, Margret C., Fuchs, Markus, Fuelling, Alexander, Fábián, Szabolcs, Fülling, Alexander, Garbe, Philipp, Gebhardt, Catalina, Gegg, Lukas, Geis, Anna-Lena, Geitner, Clemens, Ghanbarian, Behzad, Gianotti, Franco, Gil Romera, Graciela, Glaser, Bruno, Glückler, Ramesh, Gresina, Fruzsina, Grootes, Pieter Meiert, Guadelli, Aleta, Guadelli, Jean-Luc, Guérin, Guillaume, Haas, Jean Nicolas, Haberzettl, Torsten, Hambach, Ulrich, Hardt, Jacob, Hein, Michael, Heinrich, Hartmut, Heinrich, Susann, Herzschuh, Ulrike, Heydari, Maryam, Hildebrandt, Dominic, Hirschmann, Philip, Hofmann, Felix Martin, Hofmann, Robert, Hogrefe, Ines, Huang, Jyh-Jaan Steven, Hunt, Allen, Händel, Marc, Ivy-Ochs, Susan, Jary, Zdzisław, Jeanneret, Pilar, Jöris, Olaf, Kalicki, Tomasz, Kamleitner, Sarah, Karaschewski, Jasmin, Keddadouche, Karim, Kehl, Martin, Kern, Zoltán, Kertscher, Cathleen, Khatooni, Darvish, Khosravichenar, Azra, Kipfer, Rolf, Kirchner, André, Kirleis, Wiebke, Klaes, Björn, Knitter, Daniel, Kolb, Thomas, Konstantinovski Puntos, Cyryl, Kreienbrink, Frauke, Kreutzer, Sebastian, Kulongoski, Justin, Laag, Christian, Labahn, Jakob, Lachner, Johannes, Lak, Razyeh, Lamb, Henry F., Lampe, Reinhard, Lang, Jörg, Lange-Athinodorou, Eva, Lauer, Tobias, Leanni, Laetitia, Leblanc, Jean-Claude, Lee, An-Sheng, Lehmkuhl, Frank, Lempe, Bernhard, Lerch, Marcel, Liou, Sofia Ya Hsuan, Lisa, Lenka, Liu, Zuorui, Lomax, Johanna, Lorenz, Sebastian, Lozano García, Socorro, Madarász, Balázs, Madritsch, Herfried, Maier, Andreas, Mangelsdorf, Kai, Markovic, Slobodan, Martinez Abarca, Luis Rodrigo, Marx, Samuel, May, Jan-Hendrik, Mayr, Christoph, Meister, Julia, Merchel, Silke, Meszner, Sascha, Meyer, Juliane, Mikdad, Abdeslam, Milevski, Ivica, Mir, Jehangeer, Mischke, Steffen, Mohammadi, Ali, Monegato, Giovanni, Moreiras, Stella, Mueller, Daniela, Muratoreanu, George, Müller, Daniela, Müller, Johannes, Nadeau, Marie-Josée, Nett, Janina, Neugebauer, Ina, Ng, Jessica, Nill, Leon, Nir, Nadav, Ohlendorf, Christian, Opp, Christian, Orgeira, Maria, Ortega Guerrero, Beatriz, Pasda, Clemens, Pasda, Kerstin, Penkman, Kirsty, Peric, Zoran, Pichat, Sylvain, Piller, Werner, Polgar, Irene, Prendergast, Amy, Preusser, Frank, Prud'homme, Charlotte, Pötter, Stephan, Quick, Lynne J., Rambeau, Claire, Reichert, Markus, Reimann, Tony, Reiss, Lilian, Roettig, Christopher-Bastian, Rolf, Christian, Russell, James, Ruszkiczay-Rüdiger, Zsófia, Ryzner, Kamila, Sahakyan, Lilit, Salazar, Gary, Salomon, Ferréol, Sardar Abadi, Mehrdad, Sarı, Selma, Scardia, Giancarlo, Schiestl, Robert, Schimmelpfennig, Irene, Schirmer, Wolfgang, Schmidt, Christoph, Schmidt, Johannes, Schmitt, Laurent, Schneider, Birgit, Schulte, Philipp, Schulze, Tabea, Schunke, Torsten, Schwab, Markus J., Schwahn, Lea, Schwamborn, Georg, Schwark, Lorenz, Schäfer, Dieter, Schütt, Brigitta, Seltzer, Alan, Selzer, Johnnes, Severinghaus, Jeffrey, Shah, Rayees, Simon, Ulrich, Sirakov, Nikolay, Sirakova, Svoboda, Sontag-González, Mariana, Sprafke, Tobias, Stahlschmidt, Mareike, Stauber, Theresa, Steier, Peter, Steiner, Martin, Stojakowits, Philipp, Strobel, Paul, Stroessner, Kathrin, Struck, Julian, Stute, Martin, Stutzriemer, Marika, Stäuble, Harald, Szidat, Sönke, Taneva, Stanimira, Tanner, David, ASTER, Team, Temovski, Marjan, Tinapp, Christian, Tjallingii, Rik, Trappe, Julian, Tylmann, Wojciech, Ulfers, Arne, Ullmann, Tobias, Urban, Brigitte, van Meer, Mike, Varga, György, Veres, Daniel, Verstraeten, Gert, Videiko, Michail, Vinnepand, Mathias, Vockenhuber, Christof, Vogel, Hendrik, Voigt, Silke, von Suchodoletz, Hans, Vött, Andreas, Weiß, Marcel, Werther, Lukas, Wolf, Daniel, Wonik, Thomas, Wrozyna, Claudia, Wunderlich, Tina, Zech, Michael, Zech, Roland, Zeeden, Christian, Zielhofer, Christoph, Zolitschka, Bernd, Zöller, Ludwig, Żurek, Krzysztof, von Suchodoletz, Hans, Dietze, Elisabeth, Dietze, Michael, Meister, Julia, Wrozyna, Claudia, Zeeden, Christian, Kreutzer, Sebastian, and Hildebrandt, Dominic

Subjects
Quaternary, Conference abstracts, Geoscience
Abstract

Collection of conference abstracts presented at the vDEUQUA2021 (2021-09-30 to 2021-09-01), the virtual meeting of the German Quaternary Association (DEUQUA).

Published
2021
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34. Mid-Holocene reinforcement of North Atlantic atmospheric circulation variability from a western Baltic lake sediment record.

Author

Czymzik, Markus, Tjallingii, Rik, Plessen, Birgit, Feldens, Peter, Theuerkauf, Martin, Moros, Matthias, Schwab, Markus J., Nantke, Carla K. M., Pinkerneil, Silvia, Brauer, Achim, and Arz, Helge W.

Abstract

Knowledge about timing, amplitude and spatial gradients of Holocene environmental variability in the CircumBaltic region is key to understand its responses to ongoing climate change. Based on a multi-dating and proxy approach, we reconstruct changes in productivity from TOC contents in sediments of Lake Kälksjön (KKJ) in west-central Sweden spanning the last 9612 (+255/-144) years. An exception is the period from AD 1878 until today, in which sedimentation was dominated by anthropogenic lake level lowering and land use. In-lake productivity was higher during periods of warmer winters with shortened ice cover and prolonged growing seasons. A multi-millennial increase in productivity throughout the last ~9600 years is associated with progressively warmer winters in north-western Europe, likely triggered by the coinciding increase in Northern Hemisphere winter insolation. Decadal to centennial periods of higher productivity in KKJ correspond to warmer winters during a more positive North Atlantic Oscillation (NAO) polarity, as reconstructed for the last 5200 years. In consequence, we assume our decadal to centennial productivity record from KKJ sediments for the complete ~9600 years to provide a qualitative record of NAO polarity. A shift towards higher productivity variability at ~5450 cal. a BP is hypothesized to reflect a reinforcement of NAO-like atmospheric circulation variability, possibly driven by more vigorous changes in North Atlantic deep water formation. [ABSTRACT FROM AUTHOR]

Published
2022
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35. The unexpectedly short Holocene Humid Period in Northern Arabia

Author

Neugebauer, Ina, primary, Dinies, Michèle, additional, Plessen, Birgit, additional, Dräger, Nadine, additional, Brauer, Achim, additional, Brückner, Helmut, additional, Frenzel, Peter, additional, Gleixner, Gerd, additional, Hoelzmann, Philipp, additional, Krahn, Kim J, additional, Pint, Anna, additional, Schwab, Valérie F, additional, Schwarz, Anja, additional, Tjallingii, Rik, additional, and Engel, Max, additional

Published
2021
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37. Accurately calibrated XRF-CS record of Ti/Al reveals Early Pleistocene aridity/humidity variability over North Africa and its close relationship to low-latitude insolation.

Author

Hennekam, Rick, Grant, Katharine M., Rohling, Eelco J., Tjallingii, Rik, Heslop, David, Roberts, Andrew P., Lourens, Lucas J., and Reichart, Gert-Jan

Abstract

In eastern Mediterranean Sea sediments, the titanium to aluminum ratio (Ti/Al) captures relative variability in eolian to riverine derived material, and predominantly integrates climate signals over the Saharan and Sahel regions. Long Ti/Al time series can, therefore, provide valuable records of North African humidity/aridity changes. X-ray fluorescence core scanning (XRF-CS) can generate near-continuous Ti/Al records with relatively modest effort and in an acceptable amount of time, provided that accurate Ti/Al values are acquired. Calibration of the raw XRF-CS data to those of established analytical methods is an important pathway to obtain this required accuracy. We assess how to obtain reliable XRF-CS Ti/Al calibration by using different sets of calibration reference samples for a long sediment record from ODP Site 967 (eastern Mediterranean). The accuracy of reference concentrations and the number of reference samples are important components for reliable calibration. The acquired continuous Ti/Al record allows detailed time-series analysis over the past 3 Ma. A near-direct control of low-latitude insolation on the timing and amplitude of North African aridity/humidity is observed from 3 to ~1.2 Ma. It is evident from our Ti/Al record that the most arid North African intervals (i.e., with longest period and highest amplitude) occur after the mid-Pleistocene transition (MPT; ~1.2-0.7 Ma). Concurrently, correlation between North African aridity/humidity (Ti/Al) and higher latitude climate signals (ice-volume variability) increases around the MPT. These findings support the growing consensus that African climate became more sensitive to remote high-latitude climate when a threshold ice volume was reached during the MPT. [ABSTRACT FROM AUTHOR]

Published
2022
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