Sandra Arndt
Overview
Explore the profile of Sandra Arndt including associated specialties, affiliations and a list of published articles.
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9
Citations
40
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Recent Articles
1.
van de Velde S, Dale A, Arndt S
R Soc Open Sci
. 2023 Jan;
10(1):220010.
PMID: 36704258
We developed a reaction-transport model capable of tracing iron isotopes in marine sediments to quantify the influence of bioturbation on the isotopic signature of the benthic dissolved (DFe) flux. By...
2.
Ng H, Hawkings J, Bertrand S, Summers B, Sieber M, Conway T, et al.
Global Biogeochem Cycles
. 2022 Dec;
36(11):e2022GB007493.
PMID: 36582664
Glacier meltwater supplies silicon (Si) and iron (Fe) sourced from weathered bedrock to downstream ecosystems. However, the extent to which these nutrients reach the ocean is regulated by the nature...
3.
Bradley J, Hulse D, LaRowe D, Arndt S
Nat Commun
. 2022 Nov;
13(1):7297.
PMID: 36435937
Quantifying the organic carbon (OC) sink in marine sediments is crucial for assessing how the marine carbon cycle regulates Earth's climate. However, burial efficiency (BE) - the commonly-used metric reporting...
4.
Bradley J, Arndt S, Amend J, Burwicz-Galerne E, LaRowe D
Front Microbiol
. 2022 Jul;
13:910694.
PMID: 35875517
Marine sediments comprise one of the largest microbial habitats and organic carbon sinks on the planet. However, it is unclear how variations in sediment physicochemical properties impact microorganisms on a...
5.
Marz C, Freitas F, Faust J, Godbold J, Henley S, Tessin A, et al.
Ambio
. 2021 Oct;
51(2):370-382.
PMID: 34628602
Unprecedented and dramatic transformations are occurring in the Arctic in response to climate change, but academic, public, and political discourse has disproportionately focussed on the most visible and direct aspects...
6.
Freitas F, Hendry K, Henley S, Faust J, Tessin A, Stevenson M, et al.
Philos Trans A Math Phys Eng Sci
. 2020 Sep;
378(2181):20190359.
PMID: 32862804
The Barents Sea is experiencing long-term climate-driven changes, e.g. modification in oceanographic conditions and extensive sea ice loss, which can lead to large, yet unquantified disruptions to ecosystem functioning. This...
7.
Lamarche-Gagnon G, Wadham J, Lollar B, Arndt S, Fietzek P, Beaton A, et al.
Nature
. 2019 Jan;
565(7737):73-77.
PMID: 30602750
Ice sheets are currently ignored in global methane budgets. Although ice sheets have been proposed to contain large reserves of methane that may contribute to a rise in atmospheric methane...
8.
Bradley J, Anesio A, Arndt S
FEMS Microbiol Ecol
. 2016 Feb;
92(3).
PMID: 26832206
Advances in microbial ecology in the cryosphere continue to be driven by empirical approaches including field sampling and laboratory-based analyses. Although mathematical models are commonly used to investigate the physical...
9.
Foster L, Schmidt D, Thomas E, Arndt S, Ridgwell A
Proc Natl Acad Sci U S A
. 2013 May;
110(23):9273-6.
PMID: 23690593
Predicting the impact of ongoing anthropogenic CO2 emissions on calcifying marine organisms is complex, owing to the synergy between direct changes (acidification) and indirect changes through climate change (e.g., warming,...