Paul R Bown
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Explore the profile of Paul R Bown including associated specialties, affiliations and a list of published articles.
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12
Citations
296
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Recent Articles
1.
Sheward R, Herrle J, Fuchs J, Gibbs S, Bown P, Eibes P
Paleoceanogr Paleoclimatol
. 2024 Dec;
39(12):e2024PA004946.
PMID: 39619665
Marine phytoplankton community composition influences the production and export of biomass and inorganic minerals (such as calcite), contributing to core marine ecosystem processes that drive biogeochemical cycles and support marine...
2.
Gibbs S, Bown P, Ward B, Alvarez S, Kim H, Archontikis O, et al.
Sci Adv
. 2020 Oct;
6(44).
PMID: 33127682
The end-Cretaceous bolide impact triggered the devastation of marine ecosystems. However, the specific kill mechanism(s) are still debated, and how primary production subsequently recovered remains elusive. We used marine plankton...
3.
Hull P, Bornemann A, Penman D, Henehan M, Norris R, Wilson P, et al.
Science
. 2020 Jan;
367(6475):266-272.
PMID: 31949074
The cause of the end-Cretaceous mass extinction is vigorously debated, owing to the occurrence of a very large bolide impact and flood basalt volcanism near the boundary. Disentangling their relative...
4.
Alvarez S, Gibbs S, Bown P, Kim H, Sheward R, Ridgwell A
Nature
. 2019 Sep;
574(7777):242-245.
PMID: 31554971
The Chicxulub bolide impact 66 million years ago drove the near-instantaneous collapse of ocean ecosystems. The devastating loss of diversity at the base of ocean food webs probably triggered cascading...
5.
Liebrand D, Raffi I, Fraguas A, Laxenaire R, Bosmans J, Hilgen F, et al.
Paleoceanogr Paleoclimatol
. 2019 May;
33(5):511-529.
PMID: 31058259
Pelagic sediments from the subtropical South Atlantic Ocean contain geographically extensive Oligocene ooze and chalk layers that consist almost entirely of the calcareous nannofossil Braarudosphaera. Poor recovery and the lack...
6.
Gibbs S, Sheward R, Bown P, Poulton A, Alvarez S
Philos Trans A Math Phys Eng Sci
. 2018 Sep;
376(2130).
PMID: 30177560
Past global warming events such as the Palaeocene-Eocene Thermal Maximum (PETM-56 Ma) are attributed to the release of vast amounts of carbon into the ocean, atmosphere and biosphere with recovery...
7.
ODea S, Gibbs S, Bown P, Young J, Poulton A, Newsam C, et al.
Nat Commun
. 2014 Nov;
5:5363.
PMID: 25399967
Anthropogenic carbon dioxide emissions are forcing rapid ocean chemistry changes and causing ocean acidification (OA), which is of particular significance for calcifying organisms, including planktonic coccolithophores. Detailed analysis of coccolithophore...
8.
Linnert C, Robinson S, Lees J, Bown P, Perez-Rodriguez I, Petrizzo M, et al.
Nat Commun
. 2014 Jun;
5:4194.
PMID: 24937202
The Late Cretaceous 'greenhouse' world witnessed a transition from one of the warmest climates of the past 140 million years to cooler conditions, yet still without significant continental ice. Low-latitude...
9.
Gibbs S, Robinson S, Bown P, Dunkley Jones T, Henderiks J
Science
. 2011 Apr;
332(6026):175.
PMID: 21474738
Erba et al. (Reports, 23 July 2010, p. 428) attributed calcareous nannofossil morphology and assemblage changes across Cretaceous Oceanic Anoxic Event 1a to the effects of surface ocean acidification. We...
10.
Zalasiewicz J, Williams M, Fortey R, Smith A, Barry T, Coe A, et al.
Philos Trans A Math Phys Eng Sci
. 2011 Feb;
369(1938):1036-55.
PMID: 21282159
The Anthropocene, an informal term used to signal the impact of collective human activity on biological, physical and chemical processes on the Earth system, is assessed using stratigraphic criteria. It...