Leanne Armand
Australian marine scientist (1968–2022) / From Wikipedia, the free encyclopedia
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Leanne Armand (20 February 1968 – 4 January 2022) was an Australian professor of marine science. She was an expert in the identification of diatoms in the Southern Ocean. She was known for her contributions to the understanding of past Southern Ocean dynamics and sea ice as a result of her knowledge of diatom distributions and ecology.
Leanne Armand | |
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Born | Leanne Dansie (1968-02-20)20 February 1968 Adelaide, South Australia |
Died | 4 January 2022(2022-01-04) (aged 53) Canberra, Australia |
Nationality | Australian |
Alma mater | PhD. Australian National University & University of Bordeaux, BSc Flinders University |
Scientific career | |
Fields | Marine biology Diatom biology |
Website | Leanne Armand laboratory website |
Her research focused on the distribution of diatoms, a single-cell microscopic phytoplankton, within the Southern Ocean. Different species of diatoms inhabit different regions of the ocean, depending on the physical characteristics (e.g. temperature, salinity and nutrients) of the water mass. Understanding diatom distributions and how their skeletons are preserved in the fossil record contained within sediment cores taken from the ocean floor can provide information about past climate regimes, including ocean temperatures and sea ice extent. Armand also studied diatoms in the Southern Ocean near Kerguelen and Heard Islands to examine their role in the transport of carbon to the ocean floor after their annual spring bloom.[1]
Armand was also a strong advocate for Women in Science and was a mentor and role model to many Australian women in marine and geo-science.