Arctic Geophysics

Mar
16

How much do YOU contribute to the melting of sea ice in the Arctic?

16 March 2017

The amount of Arctic sea ice in summer decreases every year. How much do you and I contribute to this? How much does a roundtrip by airplane to Oslo or the running of the Longyearbyen power plant contribute to the melting each year?

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Feb
24

A dynamic study of the ionospheric footprint of the cusp/cleft over Svalbard

24 February 2017

The Earth’s cusp region is believed to be the main place of transport of the magnetosheath plasma into the ionosphere. PhD candidate Xiangcai Chen has analysed a long-term ground-based optical aurora and SuperDARN HF radar data over Svalbard to further understand the dynamics of the reconnection plasma process in the cusp region. Xiangcai will defend his PhD thesis at UNIS on 28 February.

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Feb
15

Tunabreen may be surging decades earlier than expected

15 February 2017

Tunabreen, the iconic glacier in Tempelfjorden, is well-known to residents of Svalbard and the throngs of tourists that visit each year. The last known surge of Tunabreen was in 2004 and scientists have believed that the glacier has a 35–40 year surge interval, suggesting a new surge around year 2040. However, new satellite imagery suggests that Tunabreen is starting to surge now, decades earlier than expected.

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Jan
31

Will there be ice on the Svalbard fjords this winter?

31 January 2017

Last winter we had record-low amount of fjord ice here in Svalbard and the following autumn was unusually warm. But these last few months have been relatively cold. Can we anticipate ice on the fjords this winter? The answer is yes – and no.

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Jan
23

Summer/autumn courses open for application

23 January 2017

Apply now for our summer semester courses (and autumn semester courses in Arctic Geophysics)! Application deadline is 15 February 2017.

 

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Dec
13

Temperature variations and trends at 90 km height in the Arctic atmosphere

13 December 2016

Silje Eriksen Holmen has investigated temperatures in the middle atmosphere (the mesosphere) over Longyearbyen and Tromsø and has found that temperature varies periodically according to atmospheric wind patterns and waves. Holmen will defend her PhD thesis at UNIS on 19 December 2016.

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Nov
21

New UNIS weather station – now in the sea!

21 November 2016

UNIS has recently deployed a new underwater measurement station in Isfjorden. Now everyone can monitor the temperature, currents, tides and biological activity via the internet.

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Oct
19

SuperDARN officially opened

19 October 2016

Norway’s first SuperDARN radar was officially opened today. From now on data from the radar, which signals reach well over the North Pole, will be available to the rest of the world.

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Sep
23

Impurities of glacier ice

23 September 2016

The Greenland ice sheet is not entirely white. Parts of the ice sheet have darkened since 1996, leading to increased melting. PhD candidate Thomas Gölles has developed tools to study the interplay of particle accumulation, ice flow and ice melt. Gölles will defend his dissertation at UNIS on 29 September.

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CONTACT INFO

The University Centre in Svalbard
Telephone: +47 79 02 33 00
Fax: +47 79 02 33 01
E-mail: post@unis.no / webmaster@unis.no
Address: P.O. Box 156 N-9171 Longyearbyen
Org. no. 985 204 454

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