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David N. Thomas

Researcher at University of Helsinki

Publications -  193
Citations -  10035

David N. Thomas is an academic researcher from University of Helsinki. The author has contributed to research in topics: Sea ice & Dissolved organic carbon. The author has an hindex of 56, co-authored 193 publications receiving 9086 citations. Previous affiliations of David N. Thomas include Aarhus University & University of Liverpool.

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Journal ArticleDOI

Antarctic Sea Ice--a Habitat for Extremophiles

TL;DR: Apart from their ecological importance, the bacterial and algae species found in sea ice have become the focus for novel biotechnology, as well as being considered proxies for possible life forms on ice-covered extraterrestrial bodies.
Book

Sea ice : an introduction to its physics, chemistry, biology, and geology

TL;DR: This book discusses the importance of Sea Ice, a Critical Habitat for Polar Marine Mammals and Birds, and from the Microscopic to the Macroscopic, to the Regional Scale: Growth, Microstructure and Properties of Sea ice.
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Large scale importance of sea ice biology in the Southern Ocean

TL;DR: An analysis of how the balance between sea ice and pelagic production might change under a warming scenario indicates that when current levels of primary production and changes in the areas of sea ice habitats are taken into account, the expected 25% loss ofSea ice over the next century would increase primary production in the Southern Ocean by approximately 10%, resulting in a slight negative feedback on climate warming.
Journal ArticleDOI

Characteristics of dissolved organic matter in Baltic coastal sea ice: allochthonous or autochthonous origins?

TL;DR: The origin of dissolved organic matter (DOM) within sea ice in coastal waters of the Baltic Sea was investigated using parallel factor (PARAFAC) analysis of DOM fluorescence, indicating that the majority of the organic carbon and nitrogen in Baltic Sea ice is bound in terrestrial humic material trapped within the ice.
Journal ArticleDOI

Calcium carbonate as ikaite crystals in Antarctic sea ice

TL;DR: The discovery of CaCO3·6H2O crystals in natural sea ice provides the necessary evidence for the evaluation of previous assumptions and lays the foundation for further studies to help elucidate the role of ikaite in the carbon cycle of seasonally sea ice-covered regions.