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Quantification of Ikaite

General

Project start
10.04.2015
Project end
03.05.2015
Type of project
Research
Project theme
Sea ice
Project topic
Chemistry
Climate research
Geomicrobiology
Sea ice

Fieldwork / Study

Fieldwork country
Greenland (DK)
Fieldwork region
Greenland, North-East
Fieldwork location

Geolocation is 81.85718980188, -18.017578292638

Fieldwork start
10.04.2015
Fieldwork end
03.05.2015

Project details

24.09.2018
Science / project plan

Ikaite (CaCO3•6H2O) is a mineral that occurs naturally in Arctic and Antarctic sea ice. However, the spatial and temporal dynamics are poorly understood. To improve our understanding of the dynamics of ikaite in sea ice, we are developing a method to quantify ikaite in sea ice using dissolved inorganic concentration (DIC). In the field, ice cores will be collected from a variety of settings, including first year ice with low snow cover, first year ice with high snow cover, and multi-year ice. Ikaite will be quantified from these ice cores using two methods: image analysis and DIC analysis. To complete the DIC analysis, ice cores will be melted at 0ºC, the solution will be filtered, and the filtered crystals will be placed in an exetainer filled with deionized water. DIC analysis will be carried out on the filtered crystals to determine ikaite concentration. The results from both techniques will be compared to determine if the DIC method is an effective technique to quantify ikaite in sea ice.

Field site: Villum Research Station, Station Nord, Greenland

PI: Soren Rysgaard

Project Lead: Heather Kyle

Fieldwork summary/photo blog

Link to project summary report

 

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