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Carbon mineral storage in seawater: Ikaite (CaCO3·6H2O) columns in Greenland.

Journal article
Authors Gabrielle Stockmann
Emu Ranta
Erik Trampe
Erik Sturkell
Paul Seaman
Published in Energy Procedia 
Volume 146
Pages 59-67
Publication year 2018
Published at Department of Earth Sciences
Pages 59-67
Language en
Keywords Ikaite
Subject categories Geology, Climate Research


The marine Ikka Fjord in Greenland is well known for its remarkable submarine columns made of the cold-carbonate ikaite (CaCO3·6H2O). Here, natural processes lead to fast-precipitating ikaite at low temperatures (< 10°C) when carbonate-bearing groundwater seeps through fractures in Ikka Fjord and mixes with seawater. Within an area of 0.75 km2, 678 columns of 1 – 20 meters height have been registered, continuously growing at rates measured at 50 cm per year. Understanding this natural system is of importance for carbon capture and storage efforts as it represents a very efficient method for carbon mineral storage in cold seawater.

Page Manager: Webmaster|Last update: 9/11/2012

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