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Leanne Armand
Dr Leanne Armand (born 20 February 1968) is a marine scientist and an expert in the identification of diatoms in the Southern Ocean. She is 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.
Her current research focuses 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 their distribution and how it is 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 has also recently 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.
== Early life ==
Armand was born on 20 February 1968 in Adelaide, South Australia. She spent a lot of time as a child at the nearby beaches, collecting seashells and using them to set up 'museums' at home along with other bits and pieces.
Armand's interest in biology was nurtured by excellent high school teachers at St Mary's College, Adelaide, where she won the Green Biology prize for best student. In Year 12 she was selected to participate in a Rotary exchange to a high school in Arkansas, U.S.A. To her dismay, she found that she outclassed all the local students in a DNA test on the first day she attended – not the best way to make friends in a new high school.〔
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