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Arctic ROOS Annual Meeting 2-3 November 2011

Hosted by University of Cambridge, Department of Applied Mathematics and Theoretical Physics (UCAM DAMTP) (e-mail: "P. Wadhams" <pw11@cam.ac.uk>)

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  • Published: 2011-10-24

ERS satellites has observed the Earth during 20 years

The European ERS-1 satellite was launched in 1991 and the ERS-2 satellite followed in 1995. Both satellites have provided Earth observation data that has been essential for the scientific research performed at the Nansen Center during the last 20 years.

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  • Published: 2011-10-03

Publication on the Interaction Between the Warm Subsurface Atlantic Water in the Sermilik Fjord and Helheim Glacier in Southeast Greenland

The Nansen Center scientists Ola M. Johannessen, Alexander Korablev, Victoria Miles, Martin Miles and Knut E. Solberg have published the paper "Interaction Between the Warm Subsurface Atlantic Water in the Sermilik Fjord and Helheim Glacier in Southeast Greenland" in Surveys in Geophysics.

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  • Published: 2011-08-11

Special issue on the Earth’s Cryosphere and Sea Level Change

The International Space Science Institute (ISSI) workshop on the Earth’s Cryosphere and Sea Level Change was hosted in Bern in March 2011. The main results from the workshop are now published on-line in the special issue of “Surveys in Geophysics”.

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  • Published: 2011-07-04

Award for international space cooperation

The Norwegian Space Centre has presented an award to Prof. Ola M. Johannessen for his scientific contribution to increase international awareness and understanding of space activities – in particular for Earth observation.

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  • Published: 2011-05-16

Summer school at Svalbard on impact of climate change

The Norwegian Scientific Academy for Polar Research invites in cooperation with Nansen Environmental and Remote Sensing Center, Nansen Scientific Society and UNIS to the summer school “Impact of climate change on resources, maritime transport and geopolitics in the Arctic and the Svalbard area" from 21. to 28. August at Svalbard.

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  • Published: 2011-05-16

Publication on the vulnerabilities of marine and sea ice–based ecosystems

The paper “Critical vulnerabilities of marine and sea ice–based ecosystems in the high Arctic” has been published in Regional Environ Change.

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  • Published: 2010-12-20

Arctic ROOS Annual meeting 3 - 4 November in Sopot

The Annual meeting of Arctic ROOS is hosted by Institute of Oceanology, Polish Academy of Sciences, in Sopot 3 - 4 November. The agenda for the meeting is attached.

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  • Published: 2010-10-28

Chinese Academy of Sciences Appointment

Professor Ola M. Johannessen, executive chairman of the Board of the Nansen Environmental and Remote Sensing Center in Bergen, Norway was appointed ”Visiting Professor for Senior International Scientists of the Chinese Academy of Sciences (CAS)” for 2010.

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  • Published: 2010-10-28

Minimum sea ice extent in the Arctic now

In the middle of September every year the minimum sea ice extent appears in the Arctic Ocean – so also this year. Both the Northeast- and Northwest- passages are ice free and open for ship traffic. According to the ArcticROOS analysis of satellite microwave data the minimum sea ice area occurred on September 8th 2010 with an ice area of 4.12 mill. km2 in the Arctic Ocean. The sea ice area was then 16% larger that the previous minimum observed in 2007.

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  • Published: 2010-09-17

Errors in the satellite data on September 13th. 2010 - are now corrected

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  • Published: 2010-09-15

Advanced underwater ocean monitoring system deployed in the Fram Strait

An ocean monitoring system for acoustic tomography and navigation is under deployment, which will provide acoustic travel times for model validation, assimilation and temperature inversions along six transects across the Fram Strait between Svalbard and Greenland.

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  • Published: 2010-08-19

The Petermann ice shelf breaks up - ice calving of 28 km from the Petermann floating ice shelf on Greenland, which was 70 km long

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  • Published: 2010-08-10

Paper published on Arctic sea ice thickness by NIERSC and NERSC

A paper on sea ice thickness retrieval from freeboard data is published in The Cryosphere Discussions 4, 641-661, 2010 with title "The relation between sea ice thickness and freeboard in the Arctic" by Vitaly Alexandrov, Stein Sandven, Johan Wåhlin and Ola M. Johannessen. The paper is available at the link below and is open for interactive discussion.

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  • Published: 2010-05-04

Successful launch of a new ice satellite - CRYOSAT 2

The European CryoSat 2 satellite was successfully launched on April 8th at 15:57 European time from the Baikonur cosmodrome in Kazakhstan. Professor Stein Sandven, director at the Nansen Center, is a member of the ESA CryoSat science team that has contributed to the development of the satellite. He regards the successful launch of the satellite as “a significant step towards obtaining important and highly needed measurements of sea ice thickness, which will contribute to increase our knowledge about the processes influencing climate changes in the Arctic”.

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  • Published: 2010-04-09
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