Workshop report
| 
17 Dec 2015
Workshop report |
| 17 Dec 2015
Trans-Amazon Drilling Project (TADP): origins and evolution of the forests, climate, and hydrology of the South American tropics
P. A. Baker
CORRESPONDING AUTHOR
Earth and Ocean Sciences, Duke University, Durham, NC 27708, USA
Yachay Tech University, San Miguel de Urcuquí, Imbabura, Ecuador
S. C. Fritz
Earth and Atmospheric Sciences, University of Nebraska – Lincoln, Lincoln, NE 68588-0340, USA
C. G. Silva
Departamento de Geologia, Universidade Federal Fluminense, Niterói, Brazil
C. A. Rigsby
Yachay Tech University, San Miguel de Urcuquí, Imbabura, Ecuador
Department of Geological Sciences, East Carolina University, Greenville, NC, USA
M. L. Absy
Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil
R. P. Almeida
School of Arts, Sciences and Humanities, Universidade de São Paulo, São Paulo, Brazil
M. Caputo
Geoarte Consultoria Geológica e Artística Ltda, Belém, Brazil
C. M. Chiessi
School of Arts, Sciences and Humanities, Universidade de São Paulo, São Paulo, Brazil
F. W. Cruz
School of Arts, Sciences and Humanities, Universidade de São Paulo, São Paulo, Brazil
C. W. Dick
Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA
S. J. Feakins
Department of Earth Sciences, University of Southern California, Los Angeles, CA, USA
J. Figueiredo
OGX Oil and Gas, Brazil
K. H. Freeman
Department of Geosciences, Pennsylvania State University, State College, PA, USA
Institute for Biodiversity and Ecosytem Dynamics, University of Amsterdam, Amsterdam, the Netherlands
C. Jaramillo
Smithsonian Tropical Research Institute, Panama City, Panama
A. K. Kern
School of Arts, Sciences and Humanities, Universidade de São Paulo, São Paulo, Brazil
E. M. Latrubesse
Department of Geography, University of Texas, Austin, TX, USA
M. P. Ledru
Institut de Recherche pour le Développement, Université de Montpellier, Montpellier, France
A. Marzoli
Dipartimento di Geoscienze, Universitá Degli Studi di Padova, Padua, Italy
A. Myrbo
Limnological Research Center, University of Minnesota – Twin Cities, Minneapolis, MN, USA
Limnological Research Center, University of Minnesota – Twin Cities, Minneapolis, MN, USA
W. E. Piller
Institute of Earth Sciences, Universität Graz, Graz, Austria
M. I. F. Ramos
Museu Paraense Emílio Goeldi, Pára, Brazil
C. C. Ribas
Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil
R. Trnadade
Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
A. J. West
Department of Earth Sciences, University of Southern California, Los Angeles, CA, USA
I. Wahnfried
Departamento de Geociências, Universidade Federal do Amazonas, Manaus, Brazil
D. A. Willard
US Geological Survey, Reston, VA, USA
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Biogeosciences, 14, 4927–4947, https://doi.org/10.5194/bg-14-4927-2017, https://doi.org/10.5194/bg-14-4927-2017, 2017
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Isotopic signatures of ostracods from Florida correlate with their host water, implying a regional influence of temperature and precipitation. Calculated monthly configurations of a theoretical calcite formed in rivers were compared to ostracod isotope compositions. The data suggest a seasonal shell formation during early spring that is coupled to the hydrological cycle of the region. The surprising seasonality of the investigated ostracods is of importance for paleontological interpretation.
Mark A. Torres, Ajay B. Limaye, Vamsi Ganti, Michael P. Lamb, A. Joshua West, and Woodward W. Fischer
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María Fernanda Sánchez Goñi, Stéphanie Desprat, Anne-Laure Daniau, Frank C. Bassinot, Josué M. Polanco-Martínez, Sandy P. Harrison, Judy R. M. Allen, R. Scott Anderson, Hermann Behling, Raymonde Bonnefille, Francesc Burjachs, José S. Carrión, Rachid Cheddadi, James S. Clark, Nathalie Combourieu-Nebout, Colin. J. Courtney Mustaphi, Georg H. Debusk, Lydie M. Dupont, Jemma M. Finch, William J. Fletcher, Marco Giardini, Catalina González, William D. Gosling, Laurie D. Grigg, Eric C. Grimm, Ryoma Hayashi, Karin Helmens, Linda E. Heusser, Trevor Hill, Geoffrey Hope, Brian Huntley, Yaeko Igarashi, Tomohisa Irino, Bonnie Jacobs, Gonzalo Jiménez-Moreno, Sayuri Kawai, A. Peter Kershaw, Fujio Kumon, Ian T. Lawson, Marie-Pierre Ledru, Anne-Marie Lézine, Ping Mei Liew, Donatella Magri, Robert Marchant, Vasiliki Margari, Francis E. Mayle, G. Merna McKenzie, Patrick Moss, Stefanie Müller, Ulrich C. Müller, Filipa Naughton, Rewi M. Newnham, Tadamichi Oba, Ramón Pérez-Obiol, Roberta Pini, Cesare Ravazzi, Katy H. Roucoux, Stephen M. Rucina, Louis Scott, Hikaru Takahara, Polichronis C. Tzedakis, Dunia H. Urrego, Bas van Geel, B. Guido Valencia, Marcus J. Vandergoes, Annie Vincens, Cathy L. Whitlock, Debra A. Willard, and Masanobu Yamamoto
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The ACER (Abrupt Climate Changes and Environmental Responses) global database includes 93 pollen records from the last glacial period (73–15 ka) plotted against a common chronology; 32 also provide charcoal records. The database allows for the reconstruction of the regional expression, vegetation and fire of past abrupt climate changes that are comparable to those expected in the 21st century. This work is a major contribution to understanding the processes behind rapid climate change.
Shuwen Sun, Enno Schefuß, Stefan Mulitza, Cristiano M. Chiessi, André O. Sawakuchi, Matthias Zabel, Paul A. Baker, Jens Hefter, and Gesine Mollenhauer
Biogeosciences, 14, 2495–2512, https://doi.org/10.5194/bg-14-2495-2017, https://doi.org/10.5194/bg-14-2495-2017, 2017
Marília C. Campos, Cristiano M. Chiessi, Ines Voigt, Alberto R. Piola, Henning Kuhnert, and Stefan Mulitza
Clim. Past, 13, 345–358, https://doi.org/10.5194/cp-13-345-2017, https://doi.org/10.5194/cp-13-345-2017, 2017
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Our new planktonic foraminiferal stable carbon isotopic data from the western South Atlantic show major decreases during abrupt climate change events of the last glacial. These anomalies are likely related to periods of a sluggish Atlantic meridional overturning circulation and increase (decrease) in atmospheric CO2 (stable carbon isotopic ratios). We hypothesize that strengthening of Southern Ocean deep-water ventilation and weakening of the biological pump are responsible for these decreases.
James M. Russell, Satria Bijaksana, Hendrik Vogel, Martin Melles, Jens Kallmeyer, Daniel Ariztegui, Sean Crowe, Silvia Fajar, Abdul Hafidz, Doug Haffner, Ascelina Hasberg, Sarah Ivory, Christopher Kelly, John King, Kartika Kirana, Marina Morlock, Anders Noren, Ryan O'Grady, Luis Ordonez, Janelle Stevenson, Thomas von Rintelen, Aurele Vuillemin, Ian Watkinson, Nigel Wattrus, Satrio Wicaksono, Thomas Wonik, Kohen Bauer, Alan Deino, André Friese, Cynthia Henny, Imran, Ristiyanti Marwoto, La Ode Ngkoimani, Sulung Nomosatryo, La Ode Safiuddin, Rachel Simister, and Gerald Tamuntuan
Sci. Dril., 21, 29–40, https://doi.org/10.5194/sd-21-29-2016, https://doi.org/10.5194/sd-21-29-2016, 2016
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The Towuti Drilling Project seeks to understand the long-term environmental and climatic history of the tropical western Pacific and to discover the unique microbes that live in metal-rich sediments. To accomplish these goals, in 2015 we carried out a scientific drilling project on Lake Towuti, located in central Indonesia. We recovered over 1000 m of core, and our deepest core extended 175 m below the lake floor and gives us a complete record of the lake.
S. G. A. Flantua, H. Hooghiemstra, M. Vuille, H. Behling, J. F. Carson, W. D. Gosling, I. Hoyos, M. P. Ledru, E. Montoya, F. Mayle, A. Maldonado, V. Rull, M. S. Tonello, B. S. Whitney, and C. González-Arango
Clim. Past, 12, 483–523, https://doi.org/10.5194/cp-12-483-2016, https://doi.org/10.5194/cp-12-483-2016, 2016
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This paper serves as a guide to high-quality pollen records in South America that capture environmental variability during the last 2 millennia. We identify the pollen records suitable for climate modelling and discuss their sensitivity to the spatial signature of climate modes. Furthermore, evidence for human land use in pollen records is useful for archaeological hypothesis testing and important in distinguishing natural from anthropogenically driven vegetation change.
A. Cohen, C. Campisano, R. Arrowsmith, A. Asrat, A. K. Behrensmeyer, A. Deino, C. Feibel, A. Hill, R. Johnson, J. Kingston, H. Lamb, T. Lowenstein, A. Noren, D. Olago, R. B. Owen, R. Potts, K. Reed, R. Renaut, F. Schäbitz, J.-J. Tiercelin, M. H. Trauth, J. Wynn, S. Ivory, K. Brady, R. O'Grady, J. Rodysill, J. Githiri, J. Russell, V. Foerster, R. Dommain, S. Rucina, D. Deocampo, J. Russell, A. Billingsley, C. Beck, G. Dorenbeck, L. Dullo, D. Feary, D. Garello, R. Gromig, T. Johnson, A. Junginger, M. Karanja, E. Kimburi, A. Mbuthia, T. McCartney, E. McNulty, V. Muiruri, E. Nambiro, E. W. Negash, D. Njagi, J. N. Wilson, N. Rabideaux, T. Raub, M. J. Sier, P. Smith, J. Urban, M. Warren, M. Yadeta, C. Yost, and B. Zinaye
Sci. Dril., 21, 1–16, https://doi.org/10.5194/sd-21-1-2016, https://doi.org/10.5194/sd-21-1-2016, 2016
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An initial description of the scientific rationale, drilling and core handling, and initial core description activities of the Hominin Sites and Paleolakes Drilling Project (HSPDP). HSPDP is a large international consortium whose objective is to collect cores from lakebeds in proximity to important fossil early human fossil sites in eastern Africa, to better understand the environmental and climatic context of human evolution.
K. E. Clark, A. J. West, R. G. Hilton, G. P. Asner, C. A. Quesada, M. R. Silman, S. S. Saatchi, W. Farfan-Rios, R. E. Martin, A. B. Horwath, K. Halladay, M. New, and Y. Malhi
Earth Surf. Dynam., 4, 47–70, https://doi.org/10.5194/esurf-4-47-2016, https://doi.org/10.5194/esurf-4-47-2016, 2016
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The key findings of this paper are that landslides in the eastern Andes of Peru in the Kosñipata Valley rapidly turn over the landscape in ~1320 years, with a rate of 0.076% yr-1. Additionally, landslides were concentrated at lower elevations, due to an intense storm in 2010 accounting for ~1/4 of the total landslide area over the 25-year remote sensing study. Valley-wide carbon stocks were determined, and we estimate that 26 tC km-2 yr-1 of soil and biomass are stripped by landslides.
M.-P. Ledru, W. U. Reimold, D. Ariztegui, E. Bard, A. P. Crósta, C. Riccomini, and A. O. Sawakuchi
Sci. Dril., 20, 33–39, https://doi.org/10.5194/sd-20-33-2015, https://doi.org/10.5194/sd-20-33-2015, 2015
C. Häggi, C. M. Chiessi, and E. Schefuß
Biogeosciences, 12, 7239–7249, https://doi.org/10.5194/bg-12-7239-2015, https://doi.org/10.5194/bg-12-7239-2015, 2015
A. J. West, M. Arnold, G. AumaÎtre, D. L. Bourlès, K. Keddadouche, M. Bickle, and T. Ojha
Earth Surf. Dynam., 3, 363–387, https://doi.org/10.5194/esurf-3-363-2015, https://doi.org/10.5194/esurf-3-363-2015, 2015
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Soils are vital resources put at risk by erosional loss. Evaluating agricultural effects on erosion is complicated where natural rates are high, as in central Nepal. This study infers erosion rates over thousands of years and compares these rates to those observed over the short term. Results suggest that effects of agriculture are small and that most erosion takes place through natural processes. However, present-day erosion on degraded lands is significantly faster than over the long term.
C. M. Chiessi, S. Mulitza, G. Mollenhauer, J. B. Silva, J. Groeneveld, and M. Prange
Clim. Past, 11, 915–929, https://doi.org/10.5194/cp-11-915-2015, https://doi.org/10.5194/cp-11-915-2015, 2015
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Here we show that temperatures in the western South Atlantic increased markedly during the major slowdown event of the Atlantic meridional overturning circulation (AMOC) of the last deglaciation. Over the adjacent continent, however, temperatures followed the rise in atmospheric carbon dioxide, lagging changes in oceanic temperature. Our records corroborate the notion that the long duration of the major slowdown event of the AMOC was fundamental in driving the Earth out of the last glacial.
B. Aichner, S. J. Feakins, J. E. Lee, U. Herzschuh, and X. Liu
Clim. Past, 11, 619–633, https://doi.org/10.5194/cp-11-619-2015, https://doi.org/10.5194/cp-11-619-2015, 2015
G. Auer, W. E. Piller, and M. Harzhauser
Clim. Past, 11, 283–303, https://doi.org/10.5194/cp-11-283-2015, https://doi.org/10.5194/cp-11-283-2015, 2015
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High-resolution analyses of paleoecological and geochemical proxies give insight into environmental processes and climate variations in the past on a timescale that is relevant for humans. This study, as the first of its kind, aims to resolve cyclic variations of nannofossil assemblages on a decadal to centennial scale in a highly sensitive Early Miocene (~17Ma) shallow marine setting. Our results indicate that solar variation played a major role in shaping short-term climate variability.
K. E. Clark, M. A. Torres, A. J. West, R. G. Hilton, M. New, A. B. Horwath, J. B. Fisher, J. M. Rapp, A. Robles Caceres, and Y. Malhi
Hydrol. Earth Syst. Sci., 18, 5377–5397, https://doi.org/10.5194/hess-18-5377-2014, https://doi.org/10.5194/hess-18-5377-2014, 2014
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This paper presents measurements of the balance of water inputs and outputs over 1 year for a river basin in the Andes of Peru. Our results show that the annual water budget is balanced within a few percent uncertainty; that is to say, the amount of water entering the basin was the same as the amount leaving, providing important information for understanding the water cycle. We also show that seasonal storage of water is important in sustaining the flow of water during the dry season.
J. Apaéstegui, F. W. Cruz, A. Sifeddine, M. Vuille, J. C. Espinoza, J. L. Guyot, M. Khodri, N. Strikis, R. V. Santos, H. Cheng, L. Edwards, E. Carvalho, and W. Santini
Clim. Past, 10, 1967–1981, https://doi.org/10.5194/cp-10-1967-2014, https://doi.org/10.5194/cp-10-1967-2014, 2014
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In this paper we explore a speleothem δ18O record from Palestina cave, northwestern Peru, on the eastern side of the Andes cordillera, in the upper Amazon Basin. The δ18O record is interpreted as a proxy for South American Summer Monsoon (SASM) intensity and allows the reconstruction of its variability during the last 1600 years. Replicating regional climate signals from different sites and using different proxies is essential for a comprehensive understanding of past changes in SASM activity.
A. Govin, C. M. Chiessi, M. Zabel, A. O. Sawakuchi, D. Heslop, T. Hörner, Y. Zhang, and S. Mulitza
Clim. Past, 10, 843–862, https://doi.org/10.5194/cp-10-843-2014, https://doi.org/10.5194/cp-10-843-2014, 2014
M. Harzhauser, O. Mandic, A. K. Kern, W. E. Piller, T. A. Neubauer, C. Albrecht, and T. Wilke
Biogeosciences, 10, 8423–8431, https://doi.org/10.5194/bg-10-8423-2013, https://doi.org/10.5194/bg-10-8423-2013, 2013
W. C. Clyde, P. D. Gingerich, S. L. Wing, U. Röhl, T. Westerhold, G. Bowen, K. Johnson, A. A. Baczynski, A. Diefendorf, F. McInerney, D. Schnurrenberger, A. Noren, K. Brady, and the BBCP Science Team
Sci. Dril., 16, 21–31, https://doi.org/10.5194/sd-16-21-2013, https://doi.org/10.5194/sd-16-21-2013, 2013
L. F. Prado, I. Wainer, C. M. Chiessi, M.-P. Ledru, and B. Turcq
Clim. Past, 9, 2117–2133, https://doi.org/10.5194/cp-9-2117-2013, https://doi.org/10.5194/cp-9-2117-2013, 2013
M. Reuter, W. E. Piller, M. Harzhauser, and A. Kroh
Clim. Past, 9, 2101–2115, https://doi.org/10.5194/cp-9-2101-2013, https://doi.org/10.5194/cp-9-2101-2013, 2013
R. G. Hilton, A. Galy, A. J. West, N. Hovius, and G. G. Roberts
Biogeosciences, 10, 1693–1705, https://doi.org/10.5194/bg-10-1693-2013, https://doi.org/10.5194/bg-10-1693-2013, 2013
M.-P. Ledru, V. Jomelli, P. Samaniego, M. Vuille, S. Hidalgo, M. Herrera, and C. Ceron
Clim. Past, 9, 307–321, https://doi.org/10.5194/cp-9-307-2013, https://doi.org/10.5194/cp-9-307-2013, 2013
Related subject area
Location/Setting: Continental | Subject: Geology | Geoprocesses: Global climate change
Paleozoic Equatorial Records of Melting Ice Ages (PERMIA): calibrating the pace of paleotropical environmental and ecological change during Earth's previous icehouse
BASE (Barberton Archean Surface Environments) – drilling Paleoarchean coastal strata of the Barberton Greenstone Belt
ICDP workshop on the Deep Drilling in the Turkana Basin project: exploring the link between environmental factors and hominin evolution over the past 4 Myr
Paleogene Earth perturbations in the US Atlantic Coastal Plain (PEP-US): coring transects of hyperthermals to understand past carbon injections and ecosystem responses
Drilling into a deep buried valley (ICDP DOVE): a 252 m long sediment succession from a glacial overdeepening in northwestern Switzerland
Workshop report: PlioWest – drilling Pliocene lakes in western North America
Deep-time Arctic climate archives: high-resolution coring of Svalbard's sedimentary record – SVALCLIME, a workshop report
Drilling Overdeepened Alpine Valleys (ICDP-DOVE): quantifying the age, extent, and environmental impact of Alpine glaciations
From glacial erosion to basin overfill: a 240 m-thick overdeepening–fill sequence in Bern, Switzerland
Sensitivity of the West Antarctic Ice Sheet to +2 °C (SWAIS 2C)
Scientific drilling workshop on the Weihe Basin Drilling Project (WBDP): Cenozoic tectonic–monsoon interactions
Report on ICDP Deep Dust workshops: probing continental climate of the late Paleozoic icehouse–greenhouse transition and beyond
The Bouse Formation, a controversial Neogene archive of the evolving Colorado River: a scientific drilling workshop report (28 February–3 March 2019 – BlueWater Resort & Casino, Parker, AZ, USA)
Colorado Plateau Coring Project, Phase I (CPCP-I): a continuously cored, globally exportable chronology of Triassic continental environmental change from western North America
Report on ICDP workshop CONOSC (COring the NOrth Sea Cenozoic)
A key continental archive for the last 2 Ma of climatic history of the central Mediterranean region: A pilot drilling in the Fucino Basin, central Italy
Accelerating Neoproterozoic research through scientific drilling
A way forward to discover Antarctica's past
Jonathan M. G. Stine, Joshua M. Feinberg, Adam K. Huttenlocker, Randall B. Irmis, Declan Ramirez, Rashida Doctor, John McDaris, Charles M. Henderson, Michael T. Read, Kristina Brady Shannon, Anders Noren, Ryan O'Grady, Ayva Sloo, Patrick Steury, Diego P. Fernandez, Amy C. Henrici, and Neil J. Tabor
Sci. Dril., 33, 109–128, https://doi.org/10.5194/sd-33-109-2024, https://doi.org/10.5194/sd-33-109-2024, 2024
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We present initial results from the upper 450 m of ER-1, a legacy core collected from modern-day Bears Ears National Monument, Utah, USA. This section contains a relatively complete record of Upper Carboniferous to Early Permian sediments, providing a unique window on Earth's last icehouse–hothouse transition. Ongoing research will tie our results to important fossil sites, allowing us to better understand how this climate shift contributed to the evolution of terrestrial life.
Christoph Heubeck, Nic Beukes, Michiel de Kock, Martin Homann, Emmanuelle J. Javaux, Takeshi Kakegawa, Stefan Lalonde, Paul Mason, Phumelele Mashele, Dora Paprika, Chris Rippon, Mike Tice, Rodney Tucker, Ryan Tucker, Victor Ndazamo, Astrid Christianson, and Cindy Kunkel
Sci. Dril., 33, 129–172, https://doi.org/10.5194/sd-33-129-2024, https://doi.org/10.5194/sd-33-129-2024, 2024
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What was Earth like when young? Under what conditions did bacteria spread? We studied some of the best-preserved, oldest rocks in South Africa. Layers there are about vertical; we drilled sideways. Sedimentary strata from eight boreholes showed that they had been deposited in rivers, sandy shorelines, tidal flats, estuaries, and the ocean. Some have well-preserved remnants of microbes. We will learn how life was established on a planet which would appear very inhospitable to us nowadays.
Catherine C. Beck, Melissa Berke, Craig S. Feibel, Verena Foerster, Lydia Olaka, Helen M. Roberts, Christopher A. Scholz, Kat Cantner, Anders Noren, Geoffery Mibei Kiptoo, James Muirhead, and the Deep Drilling in the Turkana Basin (DDTB) project team
Sci. Dril., 33, 93–108, https://doi.org/10.5194/sd-33-93-2024, https://doi.org/10.5194/sd-33-93-2024, 2024
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The Deep Drilling in the Turkana Basin project seeks to determine the relative impacts of tectonics and climate on eastern African ecosystems. To organize goals for coring, we hosted a workshop in Nairobi, Kenya, which focused on how a 4 Myr sedimentary core from Turkana will uniquely address research objectives related to basin evolution, past climates and environments, and modern resources. We concluded that a Pliocene to modern record is best accomplished through a two-phase drilling project.
Marci M. Robinson, Kenneth G. Miller, Tali L. Babila, Timothy J. Bralower, James V. Browning, Marlow J. Cramwinckel, Monika Doubrawa, Gavin L. Foster, Megan K. Fung, Sean Kinney, Maria Makarova, Peter P. McLaughlin, Paul N. Pearson, Ursula Röhl, Morgan F. Schaller, Jean M. Self-Trail, Appy Sluijs, Thomas Westerhold, James D. Wright, and James C. Zachos
Sci. Dril., 33, 47–65, https://doi.org/10.5194/sd-33-47-2024, https://doi.org/10.5194/sd-33-47-2024, 2024
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The Paleocene–Eocene Thermal Maximum (PETM) is the closest geological analog to modern anthropogenic CO2 emissions, but its causes and the responses remain enigmatic. Coastal plain sediments can resolve this uncertainty, but their discontinuous nature requires numerous sites to constrain events. Workshop participants identified 10 drill sites that target the PETM and other interesting intervals. Our post-drilling research will provide valuable insights into Earth system responses.
Sebastian Schaller, Marius W. Buechi, Bennet Schuster, and Flavio S. Anselmetti
Sci. Dril., 32, 27–42, https://doi.org/10.5194/sd-32-27-2023, https://doi.org/10.5194/sd-32-27-2023, 2023
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In the frame of the DOVE (Drilling Overdeepened Alpine Valleys) project and with the support of the International Continental Scientific Drilling Program (ICDP), we drilled and recovered a 252 m long sediment core from the Basadingen Through. The Basadingen Trough, once eroded by the Rhine glacier during several ice ages, reaches over 300 m under the modern landscape. The sedimentary filling represents a precious scientific archive for understanding and reconstructing past glaciations.
Alison J. Smith, Emi Ito, Natalie Burls, Leon Clarke, Timme Donders, Robert Hatfield, Stephen Kuehn, Andreas Koutsodendris, Tim Lowenstein, David McGee, Peter Molnar, Alexander Prokopenko, Katie Snell, Blas Valero Garcés, Josef Werne, Christian Zeeden, and the PlioWest Working Consortium
Sci. Dril., 32, 61–72, https://doi.org/10.5194/sd-32-61-2023, https://doi.org/10.5194/sd-32-61-2023, 2023
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Western North American contains accessible and under-recognized paleolake records that hold the keys to understanding the drivers of wetter conditions in Pliocene Epoch subtropical drylands worldwide. In a 2021 ICDP workshop, we chose five paleolake basins to study that span 7° of latitude in a unique array able to capture a detailed record of hydroclimate during the Early Pliocene warm period and subsequent Pleistocene cooling. We propose new drill cores for three of these basins.
Kim Senger, Denise Kulhanek, Morgan T. Jones, Aleksandra Smyrak-Sikora, Sverre Planke, Valentin Zuchuat, William J. Foster, Sten-Andreas Grundvåg, Henning Lorenz, Micha Ruhl, Kasia K. Sliwinska, Madeleine L. Vickers, and Weimu Xu
Sci. Dril., 32, 113–135, https://doi.org/10.5194/sd-32-113-2023, https://doi.org/10.5194/sd-32-113-2023, 2023
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Geologists can decipher the past climates and thus better understand how future climate change may affect the Earth's complex systems. In this paper, we report on a workshop held in Longyearbyen, Svalbard, to better understand how rocks in Svalbard (an Arctic archipelago) can be used to quantify major climatic shifts recorded in the past.
Flavio S. Anselmetti, Milos Bavec, Christian Crouzet, Markus Fiebig, Gerald Gabriel, Frank Preusser, Cesare Ravazzi, and DOVE scientific team
Sci. Dril., 31, 51–70, https://doi.org/10.5194/sd-31-51-2022, https://doi.org/10.5194/sd-31-51-2022, 2022
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Previous glaciations eroded below the ice deep valleys in the Alpine foreland, which, with their sedimentary fillings, witness the timing and extent of these glacial advance–retreat cycles. Drilling such sedimentary sequences will thus provide well-needed evidence in order to reconstruct the (a)synchronicity of past ice advances in a trans-Alpine perspective. Eventually these data will document how the Alpine foreland was shaped and how the paleoclimate patterns varied along and across the Alps.
Michael A. Schwenk, Patrick Schläfli, Dimitri Bandou, Natacha Gribenski, Guilhem A. Douillet, and Fritz Schlunegger
Sci. Dril., 30, 17–42, https://doi.org/10.5194/sd-30-17-2022, https://doi.org/10.5194/sd-30-17-2022, 2022
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A scientific drilling was conducted into a bedrock trough (overdeepening) in Bern-Bümpliz (Switzerland) in an effort to advance the knowledge of the Quaternary prior to 150 000 years ago. We encountered a 208.5 m-thick succession of loose sediments (gravel, sand and mud) in the retrieved core and identified two major sedimentary sequences (A: lower, B: upper). The sedimentary suite records two glacial advances and the subsequent filling of a lake sometime between 300 000 and 200 000 years ago.
Molly O. Patterson, Richard H. Levy, Denise K. Kulhanek, Tina van de Flierdt, Huw Horgan, Gavin B. Dunbar, Timothy R. Naish, Jeanine Ash, Alex Pyne, Darcy Mandeno, Paul Winberry, David M. Harwood, Fabio Florindo, Francisco J. Jimenez-Espejo, Andreas Läufer, Kyu-Cheul Yoo, Osamu Seki, Paolo Stocchi, Johann P. Klages, Jae Il Lee, Florence Colleoni, Yusuke Suganuma, Edward Gasson, Christian Ohneiser, José-Abel Flores, David Try, Rachel Kirkman, Daleen Koch, and the SWAIS 2C Science Team
Sci. Dril., 30, 101–112, https://doi.org/10.5194/sd-30-101-2022, https://doi.org/10.5194/sd-30-101-2022, 2022
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How much of the West Antarctic Ice Sheet will melt and how quickly it will happen when average global temperatures exceed 2 °C is currently unknown. Given the far-reaching and international consequences of Antarctica’s future contribution to global sea level rise, the SWAIS 2C Project was developed in order to better forecast the size and timing of future changes.
Zhisheng An, Peizhen Zhang, Hendrik Vogel, Yougui Song, John Dodson, Thomas Wiersberg, Xijie Feng, Huayu Lu, Li Ai, and Youbin Sun
Sci. Dril., 28, 63–73, https://doi.org/10.5194/sd-28-63-2020, https://doi.org/10.5194/sd-28-63-2020, 2020
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Earth has experienced remarkable climate–environmental changes in the last 65 million years. The Weihe Basin with its 6000–8000 m infill of a continuous sedimentary sequence gives a unique continental archive for the study of the Cenozoic environment and exploration of deep biospheres. This workshop report concludes key objectives of the two-phase Weihe Basin Drilling Project and the global significance of reconstructing Cenozoic climate evolution and tectonic–monsoon interaction in East Asia.
Gerilyn S. Soreghan, Laurent Beccaletto, Kathleen C. Benison, Sylvie Bourquin, Georg Feulner, Natsuko Hamamura, Michael Hamilton, Nicholas G. Heavens, Linda Hinnov, Adam Huttenlocker, Cindy Looy, Lily S. Pfeifer, Stephane Pochat, Mehrdad Sardar Abadi, James Zambito, and the Deep Dust workshop participants
Sci. Dril., 28, 93–112, https://doi.org/10.5194/sd-28-93-2020, https://doi.org/10.5194/sd-28-93-2020, 2020
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The events of the Permian — the orogenies, biospheric turnovers, icehouse and greenhouse antitheses, and Mars-analog lithofacies — boggle the imagination and present us with great opportunities to explore Earth system behavior. Here we outline results of workshops to propose continuous coring of continental Permian sections in western (Anadarko Basin) and eastern (Paris Basin) equatorial Pangaea to retrieve continental records spanning 50 Myr of Earth's history.
Andrew Cohen, Colleen Cassidy, Ryan Crow, Jordon Bright, Laura Crossey, Rebecca Dorsey, Brian Gootee, Kyle House, Keith Howard, Karl Karlstrom, and Philip Pearthree
Sci. Dril., 26, 59–67, https://doi.org/10.5194/sd-26-59-2019, https://doi.org/10.5194/sd-26-59-2019, 2019
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This paper summarizes a workshop held in Parker, AZ, USA, to discuss planned scientific drilling in the Miocene(?) or early Pliocene Bouse Formation, a controversial deposit (of lacustrine, marine, or some hybrid origin) found in the lower Colorado River valley. The drilling project is intended to address this controversy as well as shed light on Pliocene climates of southwestern North America during an important period of past climate change.
Paul E. Olsen, John W. Geissman, Dennis V. Kent, George E. Gehrels, Roland Mundil, Randall B. Irmis, Christopher Lepre, Cornelia Rasmussen, Dominique Giesler, William G. Parker, Natalia Zakharova, Wolfram M. Kürschner, Charlotte Miller, Viktoria Baranyi, Morgan F. Schaller, Jessica H. Whiteside, Douglas Schnurrenberger, Anders Noren, Kristina Brady Shannon, Ryan O'Grady, Matthew W. Colbert, Jessie Maisano, David Edey, Sean T. Kinney, Roberto Molina-Garza, Gerhard H. Bachman, Jingeng Sha, and the CPCD team
Sci. Dril., 24, 15–40, https://doi.org/10.5194/sd-24-15-2018, https://doi.org/10.5194/sd-24-15-2018, 2018
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The Colorado Plateau Coring Project-1 recovered ~ 850 m of core in three holes at two sites in the Triassic fluvial strata of Petrified Forest National Park, AZ, USA. The cores have abundant zircon, U-Pb dateable layers (210–241 Ma) that along with magnetic polarity stratigraphy, validate the eastern US-based Newark-Hartford astrochronology and timescale, while also providing temporal and environmental context for the vast geological archives of the Triassic of western North America.
Wim Westerhoff, Timme Donders, and Stefan Luthi
Sci. Dril., 21, 47–51, https://doi.org/10.5194/sd-21-47-2016, https://doi.org/10.5194/sd-21-47-2016, 2016
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The CONOSC (COring the NOrth Sea Cenozoic) project brings scientists together that aim at scientific drilling of the north-western European marginal seas where in the last 65 million years the influence of sea and land was recorded continuously in the sediments. The subsiding area is ideally suited for detailed study of the relations between changing climate, biodiversity, and changing land masses. The report discusses the ICDP workshop outcome and overall project aims.
B. Giaccio, E. Regattieri, G. Zanchetta, B. Wagner, P. Galli, G. Mannella, E. Niespolo, E. Peronace, P. R. Renne, S. Nomade, G. P. Cavinato, P. Messina, A. Sposato, C. Boschi, F. Florindo, F. Marra, and L. Sadori
Sci. Dril., 20, 13–19, https://doi.org/10.5194/sd-20-13-2015, https://doi.org/10.5194/sd-20-13-2015, 2015
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As a pilot study for a possible depth-drilling project, an 82m long sedimentary succession was retrieved from the Fucino Basin, central Apennines, which hosts ca. 900m of lacustrine sediments. The acquired paleoclimatic record, from the retrieved core, spans the last 180ka and reveals noticeable variations related to the last two glacial-interglacial cycles. In light of these results, the Fucino sediments are likely to provide one of the longest continuous record for the last 2Ma.
D. J. Condon, P. Boggiani, D. Fike, G. P. Halverson, S. Kasemann, A. H. Knoll, F. A. Macdonald, A. R. Prave, and M. Zhu
Sci. Dril., 19, 17–25, https://doi.org/10.5194/sd-19-17-2015, https://doi.org/10.5194/sd-19-17-2015, 2015
Short summary
Short summary
This workshop report outlines the background, topics discussed and major conclusions/future directions arising form an ICDP- and ECORD-sponsored workshop convened to discuss the utility of scientific drilling for accelerating Neoproterozoic research.
J. S. Wellner
Sci. Dril., 18, 11–11, https://doi.org/10.5194/sd-18-11-2014, https://doi.org/10.5194/sd-18-11-2014, 2014
Cited articles
Agassiz, L. and Agassiz, E.: A Journey in Brazil, Ticknor and Fields, Boston, MA, USA, 540 pp., 1868.
Baker, P. A., Fritz, S. C., Dick, C. W., Eckert, A. J., Horton, B. K., Manzoni, S., Ribas, C. C., Garzione, C. N., and Battisti, D. S.: The emerging field of geogenomics: constraining geological problems with genetic data, Earth Science Reviews, 135, 38–47, 2014.
Barnes, J. B., Ehlers, T. A., McQuarrie, N., O'Sullivan, P. B., and Tawackol, S.: Thermochronometer record of central Andean plateau growth, Bolivia (19.5 degrees S), Tectonics, 27, TC3003, https://doi.org/10.1029/2007TC002174, 2008.
Boonstra, M., Ramos, M. I. F., Lammertsma, E. I., Antoine, P.-O., and Hoorn, C.: Marine connections of Amazonia: Evidence from foraminifera and dinoflagellate cysts (early to middle Miocene, Colombia/Peru), Palaeogeography, Palaeoclimatology, Palaeoecology, 417, 176–194, 2015.
Caputo, M. V.: Discussão sobre a Formação Alter do Chão e o Alto de Monte Alegre, Contribuições à Geologia da Amazônia, 7, 7–23, 2011.
Cheng, H., Sinha, A., Cruz, F. W., Wang, X., Edwards, R. L., d'Horta, F. M., Ribas, C. C., Vuille, M., Stott, L. S., and Auler, A. S.: Climate change patterns in Amazonia and biodiversity, Nature Communications, 4, 1411, https://doi.org/10.1038/ncomms2415, 2013.
Cunha, P. R. C: Bacia do Acre, Boletim de Geociências da Petrobras, 15, 207–215, 2007.
Cunha, P. R. C., Melo, J. H. G., and Silva, O. B.: Bacia do Amazonas, Boletim de Geociências da Petrobras, 15, 227–251, 2007.
Darwin, C. W.: On the Origin of Species by Means of Natural Selection or the Preservation of Favored Races in the Struggle for Life, John Murray, London, 502 pp., 1859.
de la Parra, F.: Palynological changes across the Cretaceous-Tertiary boundary in Colombia, South America, MS Thesis, University of Florida, 105 pp., 2009.
Dick, C. W., Lewis, S. L., Maslin, M., and Bermingham, E.: Neogene origins and implied warmth tolerance of Amazon tree species, Ecology and Evolution, 3, 162–169, https://doi.org/10.1002/ece3.441, 2013.
Dobson, D. M., Dickens, G. R., and Rea, D. K.: Terrigenous sediments on Ceara Rise: A Cenozoic record of South American orogenesis and erosion, Palaeogeography, Palaeoclimatology, Palaeoecology, 165, 215–229, 2001.
Ehlers, T. A. and Poulsen, C. J.: Influence of Andean uplift on climate and paleoaltimetry estimates, Earth and Planetary Science Letter, 290, 238–248, 2009.
Elger, K., Oncken, O., and Glodny, J.: Plateau-style accumulation of deformation: Southern Altiplano, Tectonics, 24, TC4020, https://doi.org/10.1029/2004TC001675, 2005.
Filho, J. R. W., Eiras, J. F., and Vaz, P. T.: Bacia do Solimóes, Boletim de Geociências da Petrobras, 15, 217–225, 2007.
Figueiredo, J., Zalán, P. V., and Soares, E. F.: Bacia da Foz do Amazonas, Boletim de Geociências da Petrobras, 15, 299–309, 2007.
Figueiredo, J., Hoorn, C., van der Ven, P., and Soares, E.: Late Miocene onset of the Amazon River and the Amazon deep-sea fan: Evidence from the Foz do Amazonas Basin, Geology, 37, 619-622, 2009.
Fine, P. V. A. and Ree, R. H.: Evidence for a time-integrated species-area effect on the latitudinal gradient in tree diversity, American Naturalist, 168, 786–804, 2006.
Freeman K. H. and Pancost R. D.: Biomarkers for terrestrial plants and climate, in: Organic Biogeochemistry, edited by: Falkowski, P. and Freeman, K., Treatise on Geochemistry, Elsevier, Amsterdam, 12, 395–416, 2014.
Garreaud, R., Molina, A., and Farias, M.: Andean uplift and Atacama hyperaridity: A climate modeling perspective, Earth Planet. Sc. Lett., 292, 39–50, 2010.
Garzione, C. N., Molnar, P., Libarkin, J. C., and MacFadden, B. J.: Rapid late Miocene rise of the Bolivian Altiplano: Evidence for removal of mantle lithosphere, Earth Planet. Sc. Lett., 241, 543–556, 2006.
Ghosh, P., Garzione, C. N., and Eiler, J. M.: Rapid uplift of the Altiplano revealed through 13C-18O bonds in paleosol carbonates, Science, 311, 511–515, 2006.
Gillis, R. J., Horton, B. K., and Grove, M.: Thermochronology, geochronology, and upper crustal structure of the Cordillera Real: Implications for Cenozoic exhumation of the central Andean plateau, Tectonics, 25, TC6007, https://doi.org/10.1029/2005TC001887, 2006.
Graham, A.: The age and diversification of terrestrial New World ecosystems through Cretaceous and Cenozoic time, Am. J. Bot., 98, 336–351, 2011.
Gross, M., Piller, W. E., Ramos, M. I., and Silva Paz, J. D.: Late Miocene sedimentary environments in south-western Amazonia (Solimões Formation; Brazil), J. S. Am. Earth Sci., 32, 169–181, 2011.
Gross, M., Ramos, M. I., Caporaletti, M., and Piller, W. E.: Ostracodes (Crustacea) and their palaeoenvironmental implications for the Solimões Formation (Late Miocene; Western Amazonia/Brazil), J. S. Am. Earth Sci., 42, 216–241, 2013.
Haffer, J.: Speciation in Amazonian forest birds, Science, 165, 131–137, 1969.
Harris, S. E. and Mix, A. C.: Climate and tectonic influences on continental erosion of tropical South America, 0–13 Ma, Geology 30, 447–450, 2002.
Held, I. M. and Soden, B. J.: Robust responses of the hydrological cycle to global warming, J. Climate, 19, 5686–5699, 2006.
Hoorn, C.: Marine incursions and the influence of Andean tectonics on the Miocene depositional history of northwestern Amazonia, Palaeogeography, Palaeoclimatology, Palaeoecology, 105, 267–309, 1993.
Hoorn, C., Wesselingh, F. P., ter Steege, H., Bermudez, M. A., Mora, A., Sevink, J., Sanmartin, I., Sanchez-Meseguer, A., Anderson, C. L., Figueiredo, J. P., Jaramillo, C., Riff, D., Negri, F. R., Hooghiemstra, H., Lundberg, J., Stadler, T., Sarkinen, T., and Antonelli, A.: Amazonia through time: Andean uplift, climate change, landscape evolution, and biodiversity, Science, 330, 927–931, 2010.
Hovikoski, J., Wesselingh, F. P., Räsänen, M., Gingras, M., and Vonhof, H. B.: Marine influence in Amazonia: evidence from the geological record, in: Amazonia: Landscape and Species Evolution, edited by: Hoorn, C. and Wesselingh, F., Wiley Blackwell, Chichester, 143–161, 2010.
Insel, N., Poulsen, C. J., and Ehlers, T. A.: Influence of the Andes Mountains on South American moisture transport, convection, and precipitation, Clim. Dynam., 35, 1477–1492, 2010.
Jaramillo, C.: Historia Geológica del Bosque Húmedo Neotropical, Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 36, 57–77, 2012.
Jaramillo, C. and Cardenas, A.: Global warming and neotropical rainforests: a historical perspective, Annual Reviews of Earth and Planetary Sciences, 41, 741–766, 2013.
Jaramillo, C., Rueda, M. J., and Mora, G.: Cenozoic plant diversity in the Neotropics, Science, 311, 1893–1896, 2006.
Jaramillo, C., Ochoa, D., Contreras, L., Pagani, M., Carvajal-Ortiz, H., Pratt, L.M., Krishnan, S., Cardona, A., Romero, M., Quiroz, L., Rodriguez, G., Rueda, M., de la Parra, F., Moron, S., Green, W., Bayona, G., Montes, C., Quintero, O., Ramirez, R., Mora, A., Schouten, S., Bermudez, H., Navarrete, R. E., Parra, F., Alvaran, M., Osorno, J., Crowley, L. J., Valencia, V., and Vervoort, J.: Effects of rapid global warming at the Paleocene-Eocene boundary on neotropical vegetation, Science, 330, 957–961, 2010.
Latrubesse, E. M., Cozzuol, M., da Silva-Caminha, S. A. F., Rigsby, C. A., Absy, M. L., and Jaramillo, C.: The Late Miocene paleogeography of the Amazon Basin and the evolution of the Amazon River system, Earth Science Reviews, 99, 99–124, 2010.
Mapes, R. W.: Past and present provenance of the Amazon River, PhD thesis, University of North Carolina, Chapel Hill, 185 pp., 2009.
Marzoli, A., Renne, P. R., Piccirillo, E. M., Ernesto, M., Bellieni, G., and De Min, A.: Extensive 200 million years old continental flood basalts from the Central Atlantic Magmatic Province, Science, 284, 616–618, 1999.
Marzoli, A., Bertrand, H., Knight, K., Cirilli, S., Buratti, N., Verati, C., Nomade, S., Renne, P., Youbi, N., Martini, R., Allenbach, K., Neuwerth, R., Rapaille, C., Zaninetti, L., and Bellieni, G.: Synchrony of the Central Atlantic magmatic province and the Triassic-Jurassic boundary climatic and biotic crisis, Geology 32, 973–976, 2004.
McQuarrie, N.: The kinematic history of the central Andean fold-thrust belt, Bolivia: Implications for building a high plateau, Geol. Soc. Am. Bull., 114, 950–963, 2002.
Megard, F.: Etude geologique des Andes du Peru central, Memoires ORSTOM 86, 517 pp., 1978.
Morley, R. J.: Origin and Evolution of Tropical Rain Forests, John Wiley & Sons, Chichester, UK, 362 pp., 2000.
Nutall, C. P.: A review of the Tertiary non marine molluscan faunas of the Pebasian and other inland basins of north-western South America, Bulletin of the British Museum of Natural History Geology, 45, 165–371, 1990.
Patton, J. L., da Silva, M. N. F., and Malcolm, J. R.: Mammals of the Rio Juruá and the evolutionary and ecological diversification of Amazonia, Bulletin of the American Museum Natural History, 244, 1–306, 2000.
Poulsen, C. J, Ehlers, T. A., and Insel, N.: Onset of convective rainfall during gradual Late Miocene rise of the Central Andes, Science, 328, 490–493, 2010.
Räsänen, M., Linna, A. M., Santos, J. C. R., and Negri, F. R.: Late Miocene tidal deposits in the Amazonian foreland basin, Science, 269, 386–389, 1995.
Ribas, C. C., Aleixo, A., Nogeuira, A. C. R., Miyaki, C. Y., and Cracraft, J.: Amazonia over the past three million years, Proceedings of the Royal Society of London B, 279, 681–689, https://doi.org/10.1098/rspb.2011.1120, 2011.
Richardson, J. E., Pennington, R. T., Pennington, T. D., and Hollingsworth, P. M.: Rapid diversification of a species-rich genus of neotropical rain forest trees, Science, 293, 2242–2245, 2001.
Ruhl, M., Bonis, N. R., Reichard, G. J., Sinninghe Damsté, J. S., and Kürschner, W. M.: Atmospheric carbon injection linked to end-Triassic mass extinction, Science, 333, 430–434, 2011.
Rull, V.: Neotropical biodiversity: timing and potential drivers, Trends in Ecology and Evolution, 26, 508–513, 2011.
Saylor, J. E. and Horton, B. K.: Nonuniform surface uplift of the Andean plateau revealed by deuterium isotopes in Miocene volcanic glass from southern Peru, Earth Planet. Sc. Lett., 387, 120–131, 2014.
Schoene, B., Guex, J., Bartolini, A., Schaltegger, U., and Blackburn, T. J.: Correlating the end-Triassic mass extinction and flood basalt volcanism at the 100 ka level, Geology, 38, 387–390, 2010.
Sepulchre, P., Ramstein, G., Fluteau, F., Schuster, M., Tiercelin, J.-J., and Brunet, M.: Tectonic uplift and eastern Africa aridification, Science, 313, 1419–1423, 2006.
Silva-Caminha, S. A. F., Jaramillo, C., and Absy, M. L.: Neogene palynology of the Solimoes Basin, Palaophytologie, 284, 13–79, 2010.
Stebbins, G. L.: Flowering Plants: Evolution above the Species Level, Belknap, 480 pp., 1974.
ter Steege, H. and RAINFOR: Contribution of current and historical processes to patterns of tree diversity and composition of Amazonia, in: Amazonia: landscape and species evolution, edited by: Hoorn, C. and Wesselingh, F. P., Wiley-Blackwell, Chichester, 349–359, 2010.
ter Steege, H., Pitman, N. C. A., Sabatier, D. et al.: Hyperdominance in the Amazonian tree flora, Science, 342, 6156, https://doi.org/10.1126/science.1243092, 2013.
Vega, A. M., Nogueira, A. C. R., Mapes, R. W., and Coleman, D. S.: A late-Miocene delta-lacustrine system in the eastern Solimoes basin: prelude to the modern Amazon, Geological Society of America Abstracts, 38, p. 144, 2006.
Wahnfried, I. and Soares, E. A. A.: Água Subterrânea na Amazônia: Importância, Estado Atual do Conhecimento e Estratégias de Pesquisa, Revista Ciência e Ambiente 44, 30–40, 2012.
Wallace, A. R.: Tropical Nature and Other Essays, Macmillan, New York, 356 pp., 1878.
Wesselingh, F. P.: Miocene long-lived lake Pebas as a stage of mollusk radiations, with implications for landscape evolution in western Amazonia, Scripta Geologica, 133, 1–17, 2006.
Westaway, R.: Late Cenozoic fluvial sequences in western Amazonia: fluvial or tidal? J. S. Am. Earth Sci., 21, 120–134, 2006.
Willis, K. I., Bennett, K. D., Bhagwat, S. A., and Birks, H. J. B.: 4 °C and beyond: what does this mean for biodiversity in the past?, Syst. Biodivers., 8, 3–9, 2010.
Zachos, J., Pagani, M., Sloan, L., and Billups, K.: Trends, rhythms, and aberrations in global climate 65 ma to present, Science, 292, 686–693, 2001.
Zalán, P. V. and Matsuda, N. S.: Bacia do Marajó, Boletim de Geociências da Petrobras, 15, 311–319, 2007.
Short summary
We report on a planned Trans-Amazon Drilling Project (TADP) that will continuously sample Late Cretaceous to modern sediment in a transect along the equatorial Amazon of Brazil, from the Andean foreland to the Atlantic Ocean. The TADP will document the evolution of the Neotropical forest and will link biotic diversification to changes in the physical environment, including climate, tectonism, and landscape. We will also sample the ca. 200Ma basaltic sills that underlie much of the Amazon.
We report on a planned Trans-Amazon Drilling Project (TADP) that will continuously sample Late...
