Zobrazeno 1 - 10
of 20
pro vyhledávání: '"G. E. A. Swann"'
Autor:
J. T. R. Wilkin, S. Kender, R. Dejardin, C. S. Allen, V. L. Peck, G. E. A. Swann, E. L. McClymont, J. D. Scourse, K. Littler, M. J. Leng
Publikováno v:
Journal of Micropalaeontology, Vol 43, Pp 165-186 (2024)
The subantarctic islands of South Georgia are located in the Southern Ocean, and they may be sensitive to future climate warming. However, due to a lack of well-dated subantarctic palaeoclimate archives, there is still uncertainty about South Georgia
Externí odkaz:
https://doaj.org/article/1a63005225e2499c8cd61eb8de7e3715
Autor:
P. Meister, A. Alexandre, H. Bailey, P. Barker, B. K. Biskaborn, E. Broadman, R. Cartier, B. Chapligin, M. Couapel, J. R. Dean, B. Diekmann, P. Harding, A. C. G. Henderson, A. Hernandez, U. Herzschuh, S. S. Kostrova, J. Lacey, M. J. Leng, A. Lücke, A. W. Mackay, E. K. Magyari, B. Narancic, C. Porchier, G. Rosqvist, A. Shemesh, C. Sonzogni, G. E. A. Swann, F. Sylvestre, H. Meyer
Publikováno v:
Climate of the Past, Vol 20, Pp 363-392 (2024)
Oxygen isotopes in biogenic silica (δ18OBSi) from lake sediments allow for quantitative reconstruction of past hydroclimate and proxy-model comparison in terrestrial environments. The signals of individual records have been attributed to different f
Externí odkaz:
https://doaj.org/article/ca285675242c49c0aaf38f9f97329d6c
Autor:
A. W. Mackay, V. A. Felde, D. W. Morley, N. Piotrowska, P. Rioual, A. W. R. Seddon, G. E. A. Swann
Publikováno v:
Climate of the Past, Vol 18, Pp 363-380 (2022)
Biological diversity is inextricably linked to community stability and ecosystem functioning, but our understanding of these relationships in freshwater ecosystems is largely based on short-term observational, experimental, and modelling approaches.
Externí odkaz:
https://doaj.org/article/56b7647370e64e7c95aebb94d15ffa87
Autor:
M. A. Stevenson, S. McGowan, E. J. Pearson, G. E. A. Swann, M. J. Leng, V. J. Jones, J. J. Bailey, X. Huang, E. Whiteford
Publikováno v:
Biogeosciences, Vol 18, Pp 2465-2485 (2021)
The Arctic is rapidly changing, disrupting biogeochemical cycles and the processing, delivery and sedimentation of carbon (C), in linked terrestrial–aquatic systems. In this investigation, we coupled a hydrogeomorphic assessment of catchment soils,
Externí odkaz:
https://doaj.org/article/b0108fff23654619a6950be4416f0321
Autor:
E. L. McClymont, H. L. Ford, S. L. Ho, J. C. Tindall, A. M. Haywood, M. Alonso-Garcia, I. Bailey, M. A. Berke, K. Littler, M. O. Patterson, B. Petrick, F. Peterse, A. C. Ravelo, B. Risebrobakken, S. De Schepper, G. E. A. Swann, K. Thirumalai, J. E. Tierney, C. van der Weijst, S. White, A. Abe-Ouchi, M. L. J. Baatsen, E. C. Brady, W.-L. Chan, D. Chandan, R. Feng, C. Guo, A. S. von der Heydt, S. Hunter, X. Li, G. Lohmann, K. H. Nisancioglu, B. L. Otto-Bliesner, W. R. Peltier, C. Stepanek, Z. Zhang
Publikováno v:
Climate of the Past, Vol 16, Pp 1599-1615 (2020)
A range of future climate scenarios are projected for high atmospheric CO2 concentrations, given uncertainties over future human actions as well as potential environmental and climatic feedbacks. The geological record offers an opportunity to underst
Externí odkaz:
https://doaj.org/article/113f2c2bcc8b4dddaa707dbd08a95e4b
Autor:
H. K. Donald, G. L. Foster, N. Fröhberg, G. E. A. Swann, A. J. Poulton, C. M. Moore, M. P. Humphreys
Publikováno v:
Biogeosciences, Vol 17, Pp 2825-2837 (2020)
The high-latitude oceans are key areas of carbon and heat exchange between the atmosphere and the ocean. As such, they are a focus of both modern oceanographic and palaeoclimate research. However, most palaeoclimate proxies that could provide a long-
Externí odkaz:
https://doaj.org/article/3cec033c16ac499eb9cf9dd3e23d9ec4
Autor:
V. N. Panizzo, G. E. A. Swann, A. W. Mackay, E. Vologina, M. Sturm, V. Pashley, M. S. A. Horstwood
Publikováno v:
Biogeosciences, Vol 13, Iss 1, Pp 147-157 (2016)
The first δ30Sidiatom data from lacustrine sediment traps are presented from Lake Baikal, Siberia. Data are compared with March surface water (upper 180 m) δ30SiDSi compositions for which a mean value of +2.28‰ ± 0.09 (95 % confidence) is derive
Externí odkaz:
https://doaj.org/article/de69e7db05104812b074a45e7e45ed16
Publikováno v:
Biogeosciences, Vol 12, Pp 3489-3498 (2015)
The stable isotope composition of benthic sponge spicule silica is a potential source of palaeoceanographic information about past deep seawater chemistry. The silicon isotope composition of spicules has been shown to relate to the silicic acid co
Externí odkaz:
https://doaj.org/article/87561efbbf0a408a89f85b4ecbb85ba7
Autor:
G. E. A. Swann, A. M. Snelling
Publikováno v:
Climate of the Past, Vol 11, Iss 1, Pp 15-25 (2015)
In comparison to other sectors of the marine system, the palaeoceanography of the subarctic North Pacific Ocean is poorly constrained. New diatom isotope records of δ13C, δ18O, δ30Si (δ13Cdiatom, δ18Odiatom, and δ30Sidiatom) are presented al
Externí odkaz:
https://doaj.org/article/0ddf969207bb47d8861f183586f487a7
Publikováno v:
Climate of the Past, Vol 10, Iss 5, Pp 1837-1842 (2014)
Oxygen isotope analyses of different size fractions of Pliocene diatoms (δ18Odiatom) from the Bering Sea show no evidence of an isotope offset and support the use of bulk diatom species samples for palaeoceanographic reconstructions. Additional samp
Externí odkaz:
https://doaj.org/article/896f60bbbea3441aa8645683b169ba2d