Zobrazeno 1 - 10
of 190
pro vyhledávání: '"L. Keith Fifield"'
Autor:
Tomoko Ohta, L. Keith Fifield, László Palcsu, Stephen G. Tims, Stefan Pavetich, Yasunori Mahara
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-11 (2023)
Abstract The opportunity to measure the concentrations of 3H and 36Cl released by the Fukushima nuclear accident in 2011 directly in rain was lost in the early stage of the accident. We have, however, been able to reconstruct the deposition record of
Externí odkaz:
https://doaj.org/article/45650423eaa348e1a7f87342d65d06bf
Autor:
Yusuke Yokoyama, Stephen Tims, Michaela Froehlich, Shoko Hirabayashi, Takahiro Aze, L. Keith Fifield, Dominik Koll, Yosuke Miyairi, Stefan Pavetich, Michinobu Kuwae
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-9 (2022)
Abstract Plutonium (Pu) has been used as a mid-twentieth century time-marker in various geological archives as a result of atmospheric nuclear tests mainly conducted in 1950s. Advancement of analytical techniques allows us to measure 239Pu and 240Pu
Externí odkaz:
https://doaj.org/article/6a5764c7cf684af7ac6bc018fa36c415
Autor:
Sebastian M. Gibson, Mark D. Bateman, Julian B. Murton, Timothy T. Barrows, L. Keith Fifield, Philip L. Gibbard
Publikováno v:
Royal Society Open Science, Vol 9, Iss 6 (2022)
Glaciation during the late Middle Pleistocene is widely recognized across continental northwest Europe, but its extent and palaeoenvironmental significance in the British Isles are disputed. Although glaciogenic sediments at Wolston, Warwickshire, in
Externí odkaz:
https://doaj.org/article/776cebf5070b4f05b660a569acf9c7c5
Autor:
Alexandru T. Codilean, Réka-H. Fülöp, Klaus M. Wilcken, Dafne S. Koutamanis, David Fink, L. Keith Fifield, Henri Wong, T. Gabriel Enge, Chris Vardanega, Brett Rowling
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 535:61-73
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 533:96-103
Autor:
Stefan Pavetich, Anton Wallner, Harry Bottero, L. Keith Fifield, Michaela B. Froehlich, Yanan Huang, Dominik Koll, Zsolt Révay, Zuzana Slavkovská, Johannes H. Sterba, Stephen G. Tims
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 527:45-51
Autor:
Adrian Slee, Timothy T. Barrows, James Shulmeister, Allen Gontz, Kevin Kiernan, Robert Haworth, Douglas Clark, L. Keith Fifield
Publikováno v:
Quaternary Research. 111:121-137
Pleistocene periglacial activity in eastern Australia was widespread and has been predicted to have extended along much of the east coast. This paper describes block deposits in the New England Tablelands, Australia, as far north as 30°S. These depo
Autor:
Cato Christian Wendel, L. Keith Fifield, Deborah H. Oughton, Ole Christian Lind, Lindis Skipperud, Jerzy Bartnicki, Stephen G. Tims, Steinar Høibråten, Brit Salbu
Publikováno v:
Environment International, Vol 59, Iss , Pp 92-102 (2013)
A combination of state-of-the-art isotopic fingerprinting techniques and atmospheric transport modelling using real-time historical meteorological data has been used to demonstrate direct tropospheric transport of radioactive debris from specific nuc
Externí odkaz:
https://doaj.org/article/43071983e7fa48aaa9a2699dad1003db
Publikováno v:
Barrows, T T, Magee, J, Miller, G & Fifield, L K 2019, ' The age of Wolfe Creek meteorite crater (Kandimalal), Western Australia ', Meteoritics and Planetary Science . https://doi.org/10.1111/maps.13378
Wolfe Creek crater lies in northwestern Australia at the edge of the Great Sandy Desert. Together with Meteor Crater, it is one of the two largest craters on Earth from which meteorite fragments have been recovered. The age of the impact is poorly co
Autor:
Ya-nan Huang, L. Keith Fifield, Dominik Koll, Stefan Pavetich, Shaoming Pan, Stephen G. Tims, M.B. Froehlich
Publikováno v:
Science of The Total Environment. 678:603-610
The 240Pu/239Pu atom ratio is a very effective tool for the identification of the origin of plutonium (Pu) in the soil environment. We examine a dataset of 240Pu/239Pu atom ratios determined from surface and core soils at 240 sites across China. The