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367 results on '"Cundy, Andrew B."'

1. Palaeontological signatures of the Anthropocene are distinct from those of previous epochs

Author

Williams, Mark, Zalasiewicz, Jan, Barnosky, Anthony D., Leinfelder, Reinhold, Head, Martin J., Waters, Colin N., McCarthy, Francine M.G., Cearreta, Alejandro, Aldridge, David C., McGann, Mary, Hamilton, Paul B., Summerhayes, Colin P., Syvitski, Jaia, Zinke, Jens, Cundy, Andrew B., Fiałkiewicz-Kozieł, Barbara, McNeill, J.R., Kuwae, Michinobu, Rose, Neil L., Turner, Simon D., Saito, Yoshiki, Wagreich, Michael, Stegner, M. Allison, Yasuhara, Moriaki, Han, Yongming, Wrisdale, Amy, Holmes, Rachael, and Berrio, Juan Carlos

Published
2024
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4. Response to Merritts et al. (2023): The Anthropocene is complex. Defining it is not

Author

Waters, Colin N., Head, Martin J., Zalasiewicz, Jan, McCarthy, Francine M.G., Wing, Scott L., Haff, Peter K., Williams, Mark, Barnosky, Anthony D., Fiałkiewicz-Kozieł, Barbara, Leinfelder, Reinhold, McNeill, J.R., Rose, Neil L., Steffen, Will, Summerhayes, Colin P., Wagreich, Michael, An, Zhisheng, Cearreta, Alejandro, Cundy, Andrew B., Fairchild, Ian J., Gałuszka, Agnieszka, Hajdas, Irka, Han, Yongming, Ivar do Sul, Juliana A., Jeandel, Catherine, Syvitski, Jaia, Turner, Simon D., and Zinke, Jens

Published
2023
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6. Epochs, events and episodes: Marking the geological impact of humans

Author

Waters, Colin N., Williams, Mark, Zalasiewicz, Jan, Turner, Simon D., Barnosky, Anthony D., Head, Martin J., Wing, Scott L., Wagreich, Michael, Steffen, Will, Summerhayes, Colin P., Cundy, Andrew B., Zinke, Jens, Fiałkiewicz-Kozieł, Barbara, Leinfelder, Reinhold, Haff, Peter K., McNeill, J.R., Rose, Neil L., Hajdas, Irka, McCarthy, Francine M.G., Cearreta, Alejandro, Gałuszka, Agnieszka, Syvitski, Jaia, Han, Yongming, An, Zhisheng, Fairchild, Ian J., Ivar do Sul, Juliana A., and Jeandel, Catherine

Published
2022
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27. Dilute concentrations of maritime fuel can modify sediment reworking activity of high‐latitude marine invertebrates.

Author

Williams, Thomas J., Blockley, David, Cundy, Andrew B., Godbold, Jasmin A., Howman, Rebecca M., and Solan, Martin

Subjects
NORTHEAST Passage, MARITIME shipping, MARINE invertebrates, OIL spills, BIOTURBATION, SEA ice
Abstract

Multiple expressions of climate change, in particular warming‐induced reductions in the type, extent and thickness of sea ice, are opening access and providing new viable development opportunities in high‐latitude regions. Coastal margins are facing these challenges, but the vulnerability of species and ecosystems to the effects of fuel contamination associated with increased maritime traffic is largely unknown. Here, we show that low concentrations of the water‐accommodated fraction of marine fuel oil, representative of a dilute fuel oil spill, can alter functionally important aspects of the behaviour of sediment‐dwelling invertebrates. We find that the response to contamination is species specific, but that the range in response among individuals is modified by increasing fuel concentrations. Our study provides evidence that species responses to novel and/or unprecedented levels of anthropogenic activity associated with the opening up of high‐latitude regions can have substantive ecological effects, even when human impacts are at, or below, commonly accepted safe thresholds. These secondary responses are often overlooked in broad‐scale environmental assessments and marine planning yet, critically, they may act as an early warning signal for impending and more pronounced ecological transitions. [ABSTRACT FROM AUTHOR]

Published
2024
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35. The Anthropocene within the Geological Time Scale: a response to fundamental questions

Author

Zalasiewicz, Jan, primary, Head, Martin J., additional, Waters, Colin N., additional, Turner, Simon D., additional, Haff, Peter K., additional, Summerhayes, Colin, additional, Williams, Mark, additional, Cearreta, Alejandro, additional, Wagreich, Michael, additional, Fairchild, Ian, additional, Rose, Neil L., additional, Saito, Yoshiki, additional, Leinfelder, Reinhold, additional, Fiałkiewicz-Kozieł, Barbara, additional, An, Zhisheng, additional, Syvitski, Jaia, additional, Gałuszka, Agnieszka, additional, McCarthy, Francine M. G., additional, Ivar do Sul, Juliana, additional, Barnosky, Anthony, additional, Cundy, Andrew B., additional, McNeill, J. R., additional, and Zinke, Jens, additional

Published
2023
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36. Assessing phytotoxicity of trace element-contaminated soils phytomanaged with gentle remediation options at ten European field trials

Author

Quintela-Sabarís, Celestino, Marchand, Lilian, Kidd, Petra S., Friesl-Hanl, Wolfgang, Puschenreiter, Markus, Kumpiene, Jurate, Müller, Ingo, Neu, Silke, Janssen, Jolien, Vangronsveld, Jaco, Dimitriou, Ioannis, Siebielec, Grzegorz, Gałązka, Rafał, Bert, Valérie, Herzig, Rolf, Cundy, Andrew B., Oustrière, Nadège, Kolbas, Aliaksandr, Galland, William, and Mench, Michel

Published
2017
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45. The East Gotland Basin (Baltic Sea) as a candidate Global boundary Stratotype Section and Point for the Anthropocene series

Author

Kaiser, Jérôme, Abel, Serena, Arz, Helge W, Cundy, Andrew B, Dellwig, Olaf, Gaca, Pawel, Gerdts, Gunnar, Hajdas, Irka, Labrenz, Matthias, Milton, James A, Moros, Matthias, Primpke, Sebastian, Roberts, Sarah L, Rose, Neil L, Turner, Simon D, Voss, Maren, do Sul, Juliana A Ivar, Kaiser, Jérôme, Abel, Serena, Arz, Helge W, Cundy, Andrew B, Dellwig, Olaf, Gaca, Pawel, Gerdts, Gunnar, Hajdas, Irka, Labrenz, Matthias, Milton, James A, Moros, Matthias, Primpke, Sebastian, Roberts, Sarah L, Rose, Neil L, Turner, Simon D, Voss, Maren, and do Sul, Juliana A Ivar

Abstract

The short sediment core EMB201/7-4 retrieved from the East Gotland Basin, central Baltic Sea, is explored here as a candidate to host the stratigraphical basis for the Anthropocene series and its equivalent Anthropocene epoch, still to be formalized in the Geological Time Scale. The core has been accurately dated back to 1840 CE using a well-established event stratigraphy approach. A pronounced and significant change occurs at 26.5 cm (dated 1956 ± 4 CE) for a range of geochemical markers including 239+240Pu, 241Am, fly-ash particles, DDT (organochlorine insecticide), total organic carbon, and bulk organic carbon stable isotopes. This stratigraphic level, which corresponds to a change in both lithology and sediment colour related to early anthropogenic-triggered eutrophication of the central Baltic Sea, is proposed as a Global Boundary Stratotype Section and Point for the Anthropocene series.

Published
2023

46. The Palmer ice core as a candidate Global boundary Stratotype Section and Point for the Anthropocene series

Author

Thomas, Elizabeth R.., Vladimirova, Diana O., Tetzner, Dieter R., Emanuelsson, Daniel B., Humby, Jack, Turner, Simon D., Rose, Neil L., Roberts, Sarah L., Gaca, Pawel, Cundy, Andrew B., Thomas, Elizabeth R.., Vladimirova, Diana O., Tetzner, Dieter R., Emanuelsson, Daniel B., Humby, Jack, Turner, Simon D., Rose, Neil L., Roberts, Sarah L., Gaca, Pawel, and Cundy, Andrew B.

Abstract

The remote Antarctic continent, distant from human industrial activity, should be one of the last places on Earth to capture Anthropogenic change. Hence, stratigraphic evidence of pollution and nuclear activity in the Antarctic provides proof of the global nature of the Anthropocene epoch. We propose an Antarctic Peninsula ice core candidate for the Global boundary Stratotype Section and Point (GSSP) to the onset of the Anthropocene. The Palmer ice core captures the first evidence of spheroidal carbonaceous fly ash particles (SCPs), resulting from high temperature combustion deposited in Antarctic ice. SCPs first appear in 1936 CE, preceding the rise in plutonium (239+240Pu) concentrations from 1945 CE onwards. GSSP 1952 CE occurs at a depth of 34.9 m, coincident with the peak in 239+240Pu the primary marker for this site.

Published
2023

47. Current and emerging technologies for the remediation of difficult-to-measure radionuclides at nuclear sites.

Author

Hemming, Shaun D., Purkis, Jamie M., Warwick, Phillip E., and Cundy, Andrew B.

Abstract

Difficult-to-measure radionuclides (DTMRs), defined by an absence of high energy gamma emissions during decay, are problematic in groundwaters at nuclear sites. DTMRs are common contaminants at many nuclear facilities, with (often) long half-lives and high radiotoxicities within the human body. Effective remediation is, therefore, essential if nuclear site end-state targets are to be met. However, due to a lack of techniques for in situ DTMR detection, technologies designed to remediate these nuclides are underdeveloped and tend to be environmentally invasive. With a growing agenda for sustainable remediation and reduction in nuclear decommissioning costs, there is renewed international focus on the development of less invasive technologies for DTMR clean-up. Here, we review recent developments for remediation of selected problem DTMRs (129I, 99Tc, 90Sr and 3H), with a focus on industrial and site-scale applications. We find that pump and treat (P&T) is the most used technique despite efficacy issues for 129I and 3H. Permeable reactive barriers (PRBs) are a less invasive alternative but have only been demonstrated for removal of 99Tc and 90Sr at scale. Phytoremediation shows promise for site-scale removal of 3H but is unsuitable for 129I and 99Tc due to biotoxicity and bioavailability hazards, respectively. No single technique can remediate all DTMRs of focus. Likewise, there has been no successful site-applied technology with high removal efficiencies for iodine species typically present in groundwaters (iodide/I−, iodate/IO3− and organoiodine). Further work is needed to adapt and improve current techniques to field scales, as well as further research into targeted application of emerging technologies. [ABSTRACT FROM AUTHOR]

Published
2023
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50. sj-docx-2-anr-10.1177_20530196221142963 – Supplemental material for North Flinders Reef (Coral Sea, Australia) Porites sp. corals as a candidate Global Boundary Stratotype Section and Point for the Anthropocene Series

Author

Zinke, Jens, Cantin, Neal E, DeLong, Kristine L, Palmer, Kylie, Boom, Arnoud, Hajdas, Irka, Duprey, Nicolas, Martínez-García, Alfredo, Rose, Neil L, Roberts, Sarah L, Yang, Handong, Roberts, Lucy R, Cundy, Andrew B, Gaca, Pawel, Milton, James Andy, Frank, Grace, Cox, Adam, Sampson, Sue, Tyrrell, Genevieve, Agg, Molly, and Turner, Simon D

Subjects
Geography
Abstract

Supplemental material, sj-docx-2-anr-10.1177_20530196221142963 for North Flinders Reef (Coral Sea, Australia) Porites sp. corals as a candidate Global Boundary Stratotype Section and Point for the Anthropocene Series by Jens Zinke, Neal E Cantin, Kristine L DeLong, Kylie Palmer, Arnoud Boom, Irka Hajdas, Nicolas Duprey, Alfredo Martínez-García, Neil L Rose, Sarah L Roberts, Handong Yang, Lucy R Roberts, Andrew B Cundy, Pawel Gaca, James Andy Milton, Grace Frank, Adam Cox, Sue Sampson, Genevieve Tyrrell, Molly Agg and Simon D Turner in The Anthropocene Review

Published
2023
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