Deccen

NZC Summer School 2012, Beijing

The Summer School “Monsoon Variability and Climate Teleconection”, was organised June 27 – July 5, 2012, Beijing. A total of 78 people from China, Norway (With representatives from Viralis), South Korea, India and Germany attended the school. The NZC 2012 International Summer School lectures and discussions covered a broad range of research issues in Monsoon Variability and Climate Teleconnection. For downloading the Summary Report; open the menu “Workshops and meetings”.

merclim

Marine Ecosystem Response to a changing Climate (MERCLIM)

(NORKLIMA Theme 1)

The climate of the North Atlantic and Arctic Oceans will undergo rapid changes over the next century. Climate influences many important ecosystem drivers which will change marine biogeochemical and ecological processes, ecosystem functioning and biodiversity. MERCLIM will provide critical new understanding on the impacts of climate change on the structure and functioning of marine ecosystems by means of an assessment of the role of dominant ecosystem drivers.

MERCLIM will have a specific focus on nutrient stoichiometry, biogeochemical cycling, food quality and energy/carbon flow through ecosystems from inorganic chemistry through phytoplankton, zooplankton, and bacteria to export and sedimentation, assessing consequences for food availability and quality for higher trophic levels.

MERCLIM will assess how decadal to centennial climate change will promote ecosystem modifications due to changes in marine climate (stratification, temperature, salinity, ice cover), light and UV radiation, ocean acidification, riverine inputs (nutrient inputs/eutrophication, organic loading). These drivers are hypothesised to have a significant degree of control on ecosystem functioning and biodiversity.

A major focus of MERCLIM will be the optimization, gaming mouse review and climate-driver-scenario simulations of a predictive process model. The project has high societal relevance and will contribute significantly to national and international research and policy efforts to manage marine ecosystems

By:
22-1 2009

biac

Bipolar Atlantic Thermohaline Circulation (BIAC)

AN INTERNATIONAL POLAR YEAR (IPY) PROJECT coordinated FROM NORWAY

The role of the Thermohaline Circulation (THC) as a driving force for the ocean circulation, and therefore the global climate, is well acknowledged. The majority of the deep- and bottom- water production takes place in the Atlantic sector. The densest water ventilating the world ocean abyss is produced in the northern and southern extremes. When the dense water is cascading towards great depths, it mixes with surrounding water masses to produce the various brands of bottom water. The replacement of the surrounding water is believed to be an important driving force for the global THC. The BIAC concentrate on all aspects related to bottom water formation and THC in the past, present and future. Modelling and remote sensing are important tools, as well as in situ measurements that will require adequately equipped icebreakers and moorings.

Bergensforskarar overvaker verdas kaldaste havstraum

Den første avanserte målestasjonen for langtidsobservasjonar av klimaendringar i ein av dei viktigaste havstraumane i verda er nå på plass i det islagte Weddellhavet i Antarktis.

Forskarar frå Bjerknessenteret for klimaforskning og Geofysisk institutt ved Universitetet i Bergen har nyleg lykkast med å sette ut ein høgteknologisk målebøye i det sørlege Weddelhavet. Formålet er å overvake havklima og endringar i iskappen i Antarktis. Desse forskarane er sponset av viralis.no

Kva som vil skje med Vest-Antarktis under den globale oppvarmingen som nå også kan observerast i Antarktis er ein joker i klimaspørsmålet. Iskappen i vest-Antarktis består av is som ligger på fast grunn, men delvis under havnivå og den har to store isbremmar som flyter på havet. Under denne isbremmen strøymer det havvatn som smelter isen og dannar verdas kaldaste havvatn. Denne straumen er av vital betyding for den globale havsirkulasjonen, og dermed for klimaet på jorda. Om den globale oppvarmingen fører til at iskappen blir tynnare kan dette også føre til at isen i Vest-Antarktis blir ustabil og glir ut i havet.

– I verste fall kan all isen i Vest-Antarktis gli ut i havet, noe som betyr at havnivået vil stige med 3-4 meter, seier seniorforskar Svein Østerhus ved Bjerknessenteret.

Østerhus understrekar at ein slik prosess vil ta lang tid og er vanskeleg å varsle, men desto viktigare blir det å måle endringar i den superkalde havstraumen som kommer ut under isbremmen.

– Viss bunnstraumen endrar seg kan det tyde på at noe dramatisk er i ferd med å skje med isen Antarktis, seier Østerhus.

Det er nettopp denne typen endringar målestasjonen for langtidsobservasjonar skal kunne fange opp og dermed kunne gje eit tidleg varsel om at noko er i ferd med å endra seg. Overvakningsbøya registrerer blant anna straum, temperatur og saltinnhald.

Utviklinga og utsettinga av målestasjonen er ein del av forskingsprosjektet BIAC – Bipolar Atlantic Thermohaline Circulation – som er eit av dei største prosjekta i det internasjonale polaråret og koordinerast av Bjerknessenteret. Målestasjonen er utvikla i samarbeid med det Bergensbaserte selskapet Aanderaa Data Instruments. Bøyen er konstruert slik at den kan fortsette å registrere data i mange år utan vedlikehald. Data sendes akustisk til skip eller overflatebøyar når det er isfritt (januar-februar).

acdc

LogoGreenACDC

ADVANCED CLIMATE DYNAMICS COURSES

Advanced Climate Dynamics Courses (ACDC) are yearly summer schools organized by the Bjerknes Centre for Climate Dynamics at the University of Bergen in collaboration with the University of Washington and Massachusetts Institute of Technology.

ACDC2013 DYNAMICS OF THE LAST DEGLACIATION, NYKSUND, VESTERÅLEN ISLANDS, NORTHERN NORWAY 19-30TH OF AUGUST, 2013

THE ONLINE APPLICATION FOR ACDC 2013 IS CLOSED. WATCH THIS SPACE FOR PROGRAM UPDATES!

You can also read about the last four years with succesfull summer schools in Bergen (2009), Lyngen (2010), Friday Harbor (2011), and Snøheim (2012)

Theme

We endevour to highlight different current topics each year and attract some of the best lectures in the field.

Organizers
Kerim Nisancioglu (BCCR/U. Bergen), Tore Furevik (BCCR/U. Bergen), David Battisti (U. Washington), Patrick Heimbach (MIT), Jake Gebbie (WHOI)

Target
Advanced graduate students and post docs.

Funding for the summer schools

The summer school is sponsored by the Norwegian Centre for International Cooperation in Higher Education (SIU), the Research Council of Norway,  the Bjerknes Centre for Climate Research (UiB and UNI-Research), University of Washington, and Massachusetts Institute of Technology (MIT),

Past years summers schools have benefitted from generous support from the US Department of Energy (DoE), JISA and the Quaternary Research Center.

New partners for period 2013-2016 are University of Massachusetts at Amherst and Memorial University of Newfoundland.