The synthesis was resubmitted may 2013, after recieving largely constructive
suggestions on the version submitted September 2012.
Write an e-mail to Lars H. Smedsrud if you would like to have a copy.
Tuesday 28. March, GFI, all day meeting, most chapters ready
Tuesday 21. February, NERSC, air-sea-ice fluxes
Wednesday 2. November, Main meeting
09:30 - 10:00 Section 1 - Hypothesis and responses (Lars H)
10:00 - 10:30 Section 2 and 3 : Review & Ocean Transport
Coffe Break, 30 min
11:00 - 11:30 Section 4 - Heat transfer Ocean => air (Igor)
11:30 - 12:00 Section 5 - Atmospheric Circulation (Vladimir)
Lunch, 1 hour, exotic surprise
13:00 - 13:30 Section 6 - Sinking of Carbon Rich water (Abdir)
13:30 - 14:00 Section 7 - The last 1000 years (Bjørg)
14:00 - 14:30 Section 8 - The future (year 2050) (Anne Britt)
15:00 - 15:00 Overall discussion
15:30 - 16:00 Journal discussion - letter to editor in Reviews of Geophysics ??
Tuesday 1. November 2011, Atmospheric “sub” meeting
13:00 - 13:15 Lars H : Overview
13:15 - 14:00 Svetlana : Recent atmospheric circulations variability
14:00 - 14:30 Odd Helge : BCM results, early warming and circulation
15:00 - 15:30 Noel & Jennifer : NAO and Barents inflow
15:30 - 16:00 Discussion
August meeting, Tuesday 30. 09:00-12:00 - Analysis underway
GFI, Eastwing, BCCR meeting room, Third floor.
09:00 - 09:15 Lars H. Smedsrud : welcome
09:15 - 09:30 Bjørg Risebrobakken: Existing Paleo data
09:30 - 10:00 Svetlana Sorokina : Atmospheric variability and Barents sea-ice change
10:00 - 10:15 Randi Ingvaldsen : The present review plan
10:45 - 11:00 Vidar Lien : Data analysis plan for ocean section
11:00 - 11:20 Igor Esau : A framework of the Barents sea - atmosphere interaction
Discussion : Do we have the data we need ???
May meeting, Monday May 30. 13:00-16:00
GFI, Eastwing, BCCR meeting room, Third floor.
13:00 - 13:05 Lars H. Smedsrud : Welcome
13:05 - 13:20 Randi Ingvaldsen : Hypothesis
13:20 - 13:30 Lars H. Smedsrud : Feedbacks a’la Bengtson & Ikeda ??
13:30 - 13:45 Bjørg Risebrobakken: The Paleo stuff
13:45 - 14:00 Anne Britt Sandø: The Future
14:15 - 14:30 Abdir Omar : The CO2 uptake and take-down
14:30 - 14:45 Marius : Sea ice area reflects what ?
14:45 - 15:00 Svetlana Sorokina : Surface heat loss - the limiting factor ?
15:00 - 16:00 Discussion : What analyses should we do ???
Kickstart - Workshop Wednesday 23.
February 2011, 10:00. Helland Hansen meeting room, GFI.
10:00 -10:10 Lars H. Smedsrud : Welcome and overview
10:10 -10:30 Even Nilsen : Ventilatation synthesis - what
going on along the Atlantic inflow track.
10:30 -10:50 Øystein Skagseth : Barents Sea Opening, time-series
back to the warm 30's.
10:50 - 11:10 Randi Ingvaldsen : Variation in outflow in the
Barents Sea eXit
Tor Eldevik : Barents Sea ice
cover reflects Atlantic inflow.
Igor Esau : Atmospheric heat in the
Barents Sea and radiosonde data.
Odd Helge Otterå: The long BCM
run, and why the north had warm 30's and cool 70's.
Are Olsen : Has the Barents
Sea a role in the global carbon cycle?
13:50-14:10 Bjørn Ådlandsvik : Downscaling in the Barents
Notes from the meeting:
People that came:
Bjørg, Odd Helge, Tor G, Randi, Bjørn, Ilker, Ken, Even, Are, Tor E.
Vidar, Emil, Camille, Mirjam, Øystein, Igor.
H: Short introduction and scope for the day. The suggestion to write
the paper in Google Documents was well recieved, and we decided to give
it a try. People that would like to join as co-authors tell Lars H. and
then he will give them writing permission.
NISE data, and processes relevant for the Greenland-Scotland overflow
water. He will lead a ventilation synthesis where the Barents Sea dense
water formation plays a role.
Øystein: Coastal current and the BSO. Also heat fluxes and baroclininc flow is important.
Variation on BSX. Dense water changes. Warm Deep water. Shut down of
CDW production in the 1950’s and the 2000’s.
Tor E: Dimensional analysis. HAMSOM run and 1Dice. Correlation between Volume and Temperature and sea ice cover.
Igor: Barents atmosphere only cares about ice/not ice. Ocean temperature changes are too small to matter.
Helge: Early warming as Johannesen suggested was natural variability
also needs a bit of anthropogenic forcing to get the timing right.
Surface temperature since the 1930’s north of 60 deg N are generally
Barents contributes significantly to the surface ocean => deep ocean
carbon flux. Little role in inventory (storage), and uptake.
Downscaling with ROMS from GISS and CCM3. GISS is to cold (too little
Atlantic Water) CCM3 is much better. Small warming for GISS in 2050,
much larger warming for CCM3. About 2.5 deg C for a large area. The
polar front (GISS 2050) has moved northwards, much like what has
We should keep track of who writes what in Google Docs.
Future e-mails only to those that came to the meeting, and those that have asked to be in a “Barents Group”.
We have a lot of useful data, and model results. But we still needs a good story to spin the paper around.
Reanalysis: We need them, radiosonde data starts too high up. Sattelite data and reanalysis are the main source of data.
need a better hypothesis for the synthesis. Randi had suggestions. The
three last sections (Carbon, Past and Future) needs a good link to the
From the outline in the proposal:
of the Barents Sea in the climate
- A synthesis paper based
within the Bjerknes Centre to be submitted in 2012
be an open first meeting with a general invitation to all researchers
Bjerknes Centre. Scientists that will be specially invited to join the
synthesis are, (no particular order):
Randi Ingvaldsen, Øystein Skagseth, Anne B. Sandø, Tor Eldevik, Even
Asgeir Sorteberg, Odd Helge Otterå, Bjørg Risebrobakken, Camille Li,
Orsolini, Igor Esau, Svetlana Sorokina, Lars H. Smedsrud, Vidar Lien,
Gammelsrød, Ilker Fer, Richard Bellerby, Corinna Schrum.
the score: HI (4), GFI (5), NERSC (3) and UNI (5)
Produce an updated synthesis of the coupled Barents Sea ocean-sea
ice-atmosphere system: processes and their balances, and role in the
system for the present state (e.g. last 15 years). Compare these
other periods where historic instrumental data exist; e.g. the 1930's
period, the 1960-70's cold period etc. Identify similar relevant periods from a coupled ocean-atmosphere model to
identify large scale feedback mechanism, and
tele-connections related to the Barents Sea climate variability.
sources: Observations gathered from published work: Temperature, wind,
pressure, precipitation and humidity from atmospheric met stations.
Radiosondes as well. Hydrography from
(ocean temperature and salinity) and moored instruments.
Atmospheric station data extend back to early 1900th century
(Bjørnøya Ta, SLP) 1911(1918), Måsøy: 1867
Russian hydrographic section data starting 1929 (early warming,
run with fully coupled BCM, analysing cold and warm periods.
Should include observations in order to capture the 20 century early
Not further back in time than 1930 (leave RG1 and paleo out here). Also
leave out re-analysis products (if possible) and base this study truly
millennium scale ocean-atmosphere simulations? Provide the possibility
investigate feedbacks rooted in the Barents Sea,
and possible how they change
during different (e.g. warm and cold) periods ?
future scenarios ocean-atmosphere simulations (Take in
RG5 as suggested by the
invited list of authors) ?
chemistry and CO2 uptake (Take in RG4 as
central role, but include it because we can and have the people ?
BCCR the synthesis will thus mainly
take in RG3 and RG2, but also RG1. There are possible extensions to RG4
RG5. One limitation is available meteorologists, we can hopefully draw
Asgeir Sorteberg and the new Thomas Spengler at the GFI. Also Camille
could provide valuable input on the past climate atmospheric
related activities: Ole Segtnan, Marius Årthun, Sigrid Johansen,
responsible PI calls for a meeting of all contributors. These meetings
openly announced wthin the Bjerknes Centre so that all who believe they
contribute have an opportunity to present their ideas in the opening
preparation for the opening meeting the PI secures preparation of a
(1.page approx.) synopis of the objectives, work and deliverables of
synthesis. The synopis forms the basis of the discussion and a final
personnell, deliverables and milestones shall be sent to the RG leader
Birgit, Tore and Eystein.
is expected that senior participants devote enough time and priority to
synthesis work in order to secure the results.
meeting shall be held before March 1
The role of
the Barents Sea in the climate system
L.H. Smedsrud (UNI)