Polar Acoustics and Oceanography

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ACOBAR II: Analysis and publication of results from the Fram Strait tomographic experiment.

The aim of the ACOBAR II is to facilitate for continued collaboration between and Nansen Environmental and Remote Sensing Center (NERSC) and Scripps Institution of Oceanography (SIO). 

The aim of  ACOBAR II is to facilitate for continued collaboration between and Nansen Environmental and Remote Sensing Center (NERSC) and Scripps Institution of Oceanography (SIO). This will result in a significant transfer of knowledge within acoustic data analysis, and  acoustic inversions  and assimilation of acoustic measurments into ocean models from SIO to NERSC. The collaboration will be implemented through mutual visits at the two institutions of key personnel within acoustics, oceanography, and ocean modelling.

Project Details
Funding Agency: 
Research Council of Norway
Coordinating Institute: 
Nansen Environmental and Remote Sensing Center
Project Status: 
Completed

Kjetil Lygre

Kjetil Lygre
Area of Expertise: 
geo-sciences
Job Position: 
Researcher
Department: 
GC Rieber Climate Institute
Research Group: 
Polar Acoustics and Oceanography
E-mail: 
Phone: 
+47 452 25 135
Phone: 
55205872
Home Address
Street Address 1: 
Bjørndalsskogen 145
Post Code: 
5171
City: 
Loddefjord
Country: 
Norway

Florian Geyer

Florian Geyer
Area of Expertise: 
oceanography
Job Position: 
Researcher
Department: 
Polar and Environmental Research
Research Group: 
Polar Acoustics and Oceanography
E-mail: 
Phone: 
+47 455 17 557
Home Address
Street Address 1: 
Lille Damsgårdsvei 55
Post Code: 
5162
City: 
Laksevåg
State/Region: 
Hordaland
Country: 
Norway

Stein Sandven

Stein Sandven
Area of Expertise: 
acoustics
oceanography
remote sensing
sea ice

The research activities are mainly in the areas of remote sensing of sea ice and oceanographic processes including ocean acoustics.   In sea ice research data from different types of satellite sensors are used for studies of sea ice classification, drift, thickness and processes such as leads, polynyas and ridges. Validation of sea ice remote sensing data uses data from in situ observations.

Job Position: 
Senior Researcher
Department: 
Polar and Environmental Research
Research Group: 
Polar Acoustics and Oceanography
E-mail: 
Phone: 
+47 993 68 440
E-Mail Address: 
stein.sandven@nersc.no
Phone: 
55916038
Home Address
Street Address 1: 
Fanaveien 288
Post Code: 
5244
City: 
Bergen
State/Region: 
Hordaland
Country: 
Norway
Employment Start Date: 
1. January 1987

Hanne Sagen

Hanne Sagen Staff Picture
Area of Expertise: 
acoustics
geo-sciences
mathematics
oceanography

Sagen is a researcher at the Nansen Environmental and Remote Sensing Center. Her expertise is in applied mathematics specialized within ocean acoustic. Her research interests are focused on using new technologies for observing the Arctic environment, such as acoustic tomography, passive acoustics, floats and gliders.  She was deputy-coordinator in the EU projects (AMOC (1998-2001) and ACOBAR (2008-2013)), and she led the follow up ACOBAR II project funded by RCN project.

Job Position: 
Research Leader
Department: 
Polar and Environmental Research
Research Group: 
Polar Acoustics and Oceanography
E-mail: 
Phone: 
+47 93213296
Home Address
Street Address 1: 
Fanaveien 288
Post Code: 
5244
City: 
Fana
Country: 
Norway

DAMOCLES: Developing Arctic Modelling and Observing Capabilities for Long-term Studies

DAMOCLES is an integrated ice-atmosphere-ocean monitoring and forecasting system designed for observing, understanding and quantifying climate changes in the Arctic.

DAMOCLES aims at reducing the uncertainties in our understanding of climate change in the Arctic and their impacts. The Arctic over the last 2-3 decades has warmed more than other regions of the world, and the sea-ice cover has decreased significantly in the same period. A first-order scientific and societal question is whether the Arctic perennial sea-ice will disappear in a few decades (or even faster, as predicted by some state-of-art climate models).

Project Details
Funding Agency: 
European Commission
Project Deputy Leader at NERSC: 
Hanne Sagen
Coordinating Institute: 
Université Pierre et Marie Curie
Project Status: 
Completed

ACOBAR: Acoustic Technology for Observing the interior of the Arctic Ocean

Developing an integrated ocean monitoring and forecasting system combining acoustic tomography, gliders, measurements and ice-ocean modelling to improve the estimates of the heat, mass and freshwater transport through the Fram Strait.

The large gap in data from the Arctic Ocean introduce severe uncertainties in detection of temperature and salinity changes, understanding of ocean-ice interactions and in modelling of processes and climate. During the International Polar Year from 2007 - 2009 several new instruments and platforms for ocean observations are deployed and the collection of data is significantly enhanced. There is, however, little support and commitment to continue these observations after IPY.

Project Details
Funding Agency: 
European Commission
Project Deputy Leader at NERSC: 
Hanne Sagen
Coordinating Institute: 
Nansen Environmental and Remote Sensing Center
Project Status: 
Completed
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