The Arctic and the Antarctic area are very sensitive to climate variantions due to "feedback" effects caused by temperature changes, which are especially critical in these regions. We therefore focus on these areas during the Galathea train, where we measure the sea-air exchange of carbon dioxide (CO2) and particles. Both CO2 and particles have an impact on the climate and we know that the polar seas are large carbon sinks due to the High nutrient concentrations and low seawater temperature.
In this lecture, measurements of the sea-air exchange of CO2 from the train around Greenland and the Antarctic are presented. The data shows, among other things: The inclusion in the Greenlandic fjord systems is largely due to the Cold nutrient-rich water and high wind speeds caused by the canal power of the fjord systems.