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- Linne
- Kongsjforden

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Research Locations

Kongsfjorden (Research location for Summer 2014)

Kongsfjorden is 20 km long and ranges between 4 and 10 km in width. It is composed of a well-defined inner fjord and relatively shallow water. Two glaciers, Kronebreen and Kongsvegen, head the fjord where they end in tidewater. They discharge sediment into the fjord from a series of large meltwater streams and ice marginal channels. Large subglacial meltwater plumes and calved icebergs are common in the ice-proximal regions of the fjord suggesting relatively rapid fjord sedimentation. Because of this high sedimentation, sediment cores often consist of a high-resolution record of the past few decades, but which can also extend back into the late Holocene.

Like the study on Lake Linné, fieldwork in Kongsfjorden will establish how climate variations and ice dynamics influence sedimentation and glacier health. However, in contrast to Lake Linné, Kongsfjorden offers studies of a larger system with a huge sediment influx directly influenced by marine fjord processes. The high-resolution record that this fjord system provides will offer more constraints on the calibration of the modern processes and Holocene record.


Kongsfjord

Kongsfjorden (June 2002)

 

LAKE LINNÉ
(NOTE: the REU will NOT take place at Lake Linne in 2014)

Lake Linné is a glacial-fed lake system located in the Linné Valley, a small (15 km) glacial valley located at the mouth of Isfjord. The lake basin became isolated from the sea as a result of post-glacial isostatic rebound (9,600 yr B.P.) by a series of raised marine terraces. The Linné Glacier and several other small cirque glaciers occur in the headwaters of the valley and provide the inflow for the lake system. Previous work indicates that that the entire valley was ice-free during most of the Holocene and that the Linné glacier formed some time after 4000 yr B.P. The Little Ice Age of the last 600 years appears to be associated with the largest glacial advances of the Holocene, including the development of ice in a nearby cirque.

Our research objective is to understand how climate variations impact glacier health, the discharge and sediment flux of melt-water streams and ultimately the sedimentation in Lake Linné. By calibrating modern lake sedimentation we hope to be able to better interpret the Holocene sediment record preserved in the Lake Linné basin.

Lake Linne in mid-June

Lake Linné (mid-June 2002)

 

 

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Svalbard - Research Experience for Undergraduates (REU)

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