Volume 12, issue 14 | Copyright
Biogeosciences, 12, 4261-4273, 2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 22 Jul 2015

Research article | 22 Jul 2015

Evidence for biological shaping of hair ice

D. Hofmann et al.
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Cited articles
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Publications Copernicus
Short summary
We investigated an unusual ice type, called hair ice. It grows on the surface of dead wood of broad-leaf trees at temperatures slightly below 0°C. We describe this phenomenon and present our biological, physical, and chemical investigations to gain insight in the properties and processes related to hair ice: we found, that a winter-acive fungus in the wood is required. Ice segregation is the common mechanism. Chemical analyses show a complex mixture of several thousand lignin/tannin compounds.
We investigated an unusual ice type, called hair ice. It grows on the surface of dead wood of...