Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Silvia Bollhalder"'
Autor:
Maxi Castrillejo, Roberta L Hansman, Heather D Graven, Joanna G Lester, Silvia Bollhalder, Kayley Kündig, Lukas Wacker
Publikováno v:
Radiocarbon
Radiocarbon observations (Δ14C) in dissolved inorganic carbon (DIC) of seawater provide useful information about ocean carbon cycling and ocean circulation. To deliver high-quality observations, the Laboratory of Ion Beam Physics (LIP) at ETH-Zurich
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f999b1d31a971be672b466ec9a7069b9
Autor:
Khorshed Chinu, Lukas Wacker, Geraldine Jacobsen, Chris S. M. Turney, Karina Meredith, Silvia Bollhalder, Adam Sookdeo, Lorena Becerra-Valdivia, Christopher E. Marjo, Haidee Cadd, Martin S. Andersen, Heather A. Haines, Zoë Thomas, Andy Baker, Jonathan G. Palmer
Publikováno v:
Radiocarbon. 63:1003-1023
The Chronos 14Carbon-Cycle Facility is a new radiocarbon laboratory at the University of New South Wales, Australia. Built around an Ionplus 200 kV MIni-CArbon DAting System (MICADAS) Accelerator Mass Spectrometer (AMS) installed in October 2019, the
Autor:
Silvia Bollhalder, Matthew W. Salzer, Gretel Boswijk, Lukas Wacker, Alex Bayliss, Gregory W. L. Hodgins, Peter W. Brewer, David Brown, Charlotte Pearson
Publikováno v:
Radiocarbon, 62 (4)
IntCal20: Calibration Issue
Pearson, C, Wacker, L, Bayliss, A, Brown, D, Salzer, M, Brewer, P, Bollhalder, S, Boswijk, G & Hodgins, G 2020, ' Annual variation in atmospheric 14C between 1700 BC and 1480 BC ', Radiocarbon . https://doi.org/10.1017/RDC.2020.14
IntCal20: Calibration Issue
Pearson, C, Wacker, L, Bayliss, A, Brown, D, Salzer, M, Brewer, P, Bollhalder, S, Boswijk, G & Hodgins, G 2020, ' Annual variation in atmospheric 14C between 1700 BC and 1480 BC ', Radiocarbon . https://doi.org/10.1017/RDC.2020.14
In 2018 Pearson et al. published a new sequence of annual radiocarbon (14C) data derived from oak (Quercus sp.) trees from Northern Ireland and bristlecone pine (Pinus longaeva) from North America across the period 1700–1500 BC. The study indicated
Autor:
Ilya Usoskin, Florian Adolphi, Nicolas Brehm, Silvia Bollhalder, Hans-Arno Synal, Bernd Kromer, Alex Bayliss, Marcus Christl, Jürg Beer, Sami K. Solanki, Cathy Tyers, Lukas Wacker, Raimund Muscheler, Niels Bleicher
Publikováno v:
Nature Geoscience, 14 (1)
The Sun provides the principal energy input into the Earth system and solar variability represents a significant external climate forcing. Although observations of solar activity (sunspots) cover only the last about 400 years, radionuclides produced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a850cd153d90f96316fe342deb825504
https://hdl.handle.net/20.500.11850/461863
https://hdl.handle.net/20.500.11850/461863
Autor:
Alexander Cherkinsky, Todd Lange, Michael W. Dee, Ronny Friedrich, Margot Kuitems, Richard A. Staff, Lukas Wacker, G. V. Ravi Prasad, Manuela Capano, C. Bronk Ramsey, Alan G. Hogg, A. Bayliss, J. P. Naysmith, Martin Seiler, Silvia Bollhalder, T. Tuna, E. M. Scott, David Brown, John Southon, Brendan J. Culleton, Bente Philippsen, Takayuki Omori, Fiona Petchey, Fusa Miyake, Edouard Bard, Jesper V. Olsen, Toshio Nakamura, Timothy D J Knowles, Michael Friedrich, Greg Hodgins, David Chivall, Marie-Josée Nadeau, D. J. Kennett
Publikováno v:
Radiocarbon
Radiocarbon, 2020, 62 (4), pp.873-882. ⟨10.1017/RDC.2020.49⟩
Radiocarbon, University of Arizona, 2020, 62 (4), pp.873-882. ⟨10.1017/RDC.2020.49⟩
Radiocarbon: An International Journal of Cosmogenic Isotope Research
Wacker, L, Scott, E M, Bayliss, A, Brown, D, Bard, E, Bollhalder, S, Friedrich, M, Capano, M, Cherkinsky, A, Chivall, D, Culleton, B J, Dee, M W, Friedrich, R, Hodgins, G W L, Hogg, A, Kennett, D J, Knowles, T D J, Kuitems, M, Lange, T E, Miyake, F, Nadeau, M J, Nakamura, T, Naysmith, J P, Olsen, J, Omori, T, Petchey, F, Philippsen, B, Bronk Ramsey, C, Prasad, G V R, Seiler, M, Southon, J, Staff, R & Tuna, T 2020, ' Findings from an in-Depth Annual Tree-Ring Radiocarbon Intercomparison ', Radiocarbon, vol. 62, no. 4, pp. 873-882 . https://doi.org/10.1017/RDC.2020.49
Radiocarbon, 62 (4)
Wacker, L, Scott, E M, Bayliss, A, Brown, D, Bard, E, Bollhalder, S, Friedrich, M, Capano, M, Cherkinsky, A, Chivall, D, Culleton, B J, Dee, M W, Friedrich, R, Hodgin, G W L, Hogg, A, Kennet, D J, Knowles, T D J, Kuitems, M, Lange, T E, Miyake, F, Nadeau, M-J, Nakamura, T, Naysmith, J P, Olsen, J, Omori, T, Petchey, F, Philippsen, B, Ramsey, C B, Prasad, G V R, Seiler, M, Southon, J, Staff, R & Tuna, T 2020, ' Findings from an in-Depth Annual Tree-Ring Radiocarbon Intercomparsion ', Radiocarbon, vol. 62, no. 4: (Calibration Issue), pp. 873-882 . https://doi.org/10.1017/RDC.2020.49
Radiocarbon, 62(4), 873-882. UNIV ARIZONA DEPT GEOSCIENCES
Radiocarbon, 2020, 62 (4), pp.873-882. ⟨10.1017/RDC.2020.49⟩
Radiocarbon, University of Arizona, 2020, 62 (4), pp.873-882. ⟨10.1017/RDC.2020.49⟩
Radiocarbon: An International Journal of Cosmogenic Isotope Research
Wacker, L, Scott, E M, Bayliss, A, Brown, D, Bard, E, Bollhalder, S, Friedrich, M, Capano, M, Cherkinsky, A, Chivall, D, Culleton, B J, Dee, M W, Friedrich, R, Hodgins, G W L, Hogg, A, Kennett, D J, Knowles, T D J, Kuitems, M, Lange, T E, Miyake, F, Nadeau, M J, Nakamura, T, Naysmith, J P, Olsen, J, Omori, T, Petchey, F, Philippsen, B, Bronk Ramsey, C, Prasad, G V R, Seiler, M, Southon, J, Staff, R & Tuna, T 2020, ' Findings from an in-Depth Annual Tree-Ring Radiocarbon Intercomparison ', Radiocarbon, vol. 62, no. 4, pp. 873-882 . https://doi.org/10.1017/RDC.2020.49
Radiocarbon, 62 (4)
Wacker, L, Scott, E M, Bayliss, A, Brown, D, Bard, E, Bollhalder, S, Friedrich, M, Capano, M, Cherkinsky, A, Chivall, D, Culleton, B J, Dee, M W, Friedrich, R, Hodgin, G W L, Hogg, A, Kennet, D J, Knowles, T D J, Kuitems, M, Lange, T E, Miyake, F, Nadeau, M-J, Nakamura, T, Naysmith, J P, Olsen, J, Omori, T, Petchey, F, Philippsen, B, Ramsey, C B, Prasad, G V R, Seiler, M, Southon, J, Staff, R & Tuna, T 2020, ' Findings from an in-Depth Annual Tree-Ring Radiocarbon Intercomparsion ', Radiocarbon, vol. 62, no. 4: (Calibration Issue), pp. 873-882 . https://doi.org/10.1017/RDC.2020.49
Radiocarbon, 62(4), 873-882. UNIV ARIZONA DEPT GEOSCIENCES
In 2018 Pearson et al. published a new sequence of annual radiocarbon (14C) data derived from oak (Quercus sp.) trees from Northern Ireland and bristlecone pine (Pinus longaeva) from North America across the period 1700–1500 BC. The study indicated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b920275e04d01ff7394b03f9bf50a029
https://hal.inrae.fr/hal-03220488/file/div-class-title-findings-from-an-in-depth-annual-tree-ring-radiocarbon-intercomparison-div.pdf
https://hal.inrae.fr/hal-03220488/file/div-class-title-findings-from-an-in-depth-annual-tree-ring-radiocarbon-intercomparison-div.pdf
Autor:
Lukas Wacker, Nicolas Brehm, Alex Bayliss, Marcus Christl, Hans-Arno Synal, Florian Adolphi, Jürg Beer, Bernd Kromer, Raimund Muscheler, Sami K. Solanki, Ilya Usoskin, Niels Bleicher, Silvia Bollhalder, Cathy Tyres
The influence of solar variability on the Earth’s climate is a major subject of interest for understanding past and predicting future climate changes. While the observational record of solar activity (e.g. sunspots) covers only the last about 400 y
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6af5584a1b75833cb600430fba1ef455
https://doi.org/10.5194/egusphere-egu2020-11118
https://doi.org/10.5194/egusphere-egu2020-11118
Autor:
Núria Casacuberta, Maxi Castrillejo, Anne-Marie Wefing, Silvia Bollhalder, Kayley Kündig, Hans-Arno Synal, Lukas Wacker
Carbon isotopic measurements in oceanic dissolved inorganic carbon (DIC) contribute to many oceanographic fields. For instance, radiocarbon (14C) has been essential to elucidate aspects related to ocean circulation, air-sea exchange, carbon cycling a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a95629ced8d57802dc28d7f50827857
https://doi.org/10.5194/egusphere-egu2020-3581
https://doi.org/10.5194/egusphere-egu2020-3581
Publikováno v:
Radiocarbon, 62 (1)
A new method to extract CO2 in seawater samples for the determination of F14C has been developed in the Laboratory of Ion Beam Physics at ETH Zurich. The setup consists of an automated sampler designed to extract dissolved inorganic carbon (DIC) from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5313fb8e481661a8d23ccb4b914286ee
https://hdl.handle.net/20.500.11850/390184
https://hdl.handle.net/20.500.11850/390184
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 455
The New Oxalic Acid standard (NOX) was introduced in 1980 to replace the primarily Oxalic Acid (OX) standard, which was calibrated against OX utilizing decay counting measurements. However today, most radiocarbon measurements are performed with accel
Autor:
Silvia. Bollhalder, Stefan. Zingg, Peter H. Santschi, Michael Sturm, Klaus. Farrenkothen, Alfred. Lueck
Publikováno v:
Environmental sciencetechnology. 22(5)
Observations of the temporal trend in concentrations of Chernobyl radionuclides in atmospheric, terrestrial, and aquatic reservoirs near Duebendorf (Zurich) aided in quantifying fluxes and transfer velocities from one reservoir to another. Radionucli