USGS - science for a changing world

Arctic Paleoceanography

Project Methods

This project utilizes ostracodes (bivalved Crustacea) and benthic foraminifera whose shells are commonly preserved in Arctic and sub-Arctic sediments. These microfossils and their shell chemistry are proxy indicators of temperature, salinity, oxygen, productivity, and sea ice and serve as monitors for changing climatic conditions. Some proxy methods used in this study are listed below.


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