The Activity

1
The Activity 6 associates

• Dokken, Trond (sc, BCCR) A1, p
• Drange, Helge (sc, NERSC) A2,5, m
• Drinkwater, Ken (sc, IMR) A3,5, o
• Esau, Igor (pd, NERSC) A7, m
• Furevik, Tore (sc, GFI) A3,1,5, m,o
• Gao, Yongqi (pd, NERSC) A2, m
• Jenkins, Alastair (sc, BCCR) A7, m
• Johannessen, Ola M. (sc, NERSC) A8, m,o
• Johannessen,Truls (sc, GFI) A8, o
• Marzeion, Ben (ph, NERSC) A2, m
• Sandø, Anne Britt (sc, NERSC) A3, m
• Sjöblom, Anna (pd, BCCR) A7, o
• Skagseth, Øystein (sc, BCCR) A3,1, o
• Smedsrud, Lars Henrik (pd, BCCR)A7, o
• Svendsen, Harald (sc, GFI) A?, m,o

2
Drange, Helge(sc, NERSC)A2,5, m
3
Background

• Helge Drange, researcher
• Dr. Scient. 1994, Dept. of Math., UoB
  Physical-biogeochemical OGCM modelling
• Numerical methods in geophysics
• Ecosystem/carbon cycle modelling
• Ocean storage of CO2
• Ocean/sea ice thermodynamics

Drange et al., GRL, 2001
Drange Bleck, MWR, 1997
Drange, PCE, 1996
4
Research projects and interests

• General Climate and climate change with focus on
  the Atlantic/Arctic system
• Specific ? Inter-annual to decadal fluctuations
  in the Atlantic MOC ? Stability of Atlantic MOC ?
  Inflow of Atlantic waters ? Mechanisms/predictabil
  ity of NAO ? Teleconnections low-high latitudes ?
  Blue Arctic ? Climate scenario integrations
• Projects BCCR (leader A2), NOClim, ProClim,
  ECOBE, ENSEMBLES, DYNAMITE

Bentsen et al., CD, 2004
Otterå et al., GRL 2003/Tellus, 2004
Sandø, 2004
5
Esau, Igor(pd, NERSC)A7, m
6
Background

• Igor Esau, researcher
• Ph.D. 1996, Inst. for Numerical Mathematics,
  Moscow Cluster Analysis of the Low-Frequency
  Variability of the Atmospheric Circulation
• Ph.D. 2003, Dept. Geosciences, Uppsala Univ.
  Large Eddy Simulations of Non-Local Turbulence
  and Integral Measures of Atmospheric Boundary
  Layers
• Analyses, modeling and parameterization of
  environmental turbulence and turbulent transport
  processes
• Turbulence resolving computational fluid dynamics
• Non-universal and non-local turbulence
• Turbulence theories and statistical relationships
  in fluid flows

7
Research projects and interests

• General Turbulent processes in planetary
  boundary layers
• Specific Physical mechanisms of non-local
  turbulent mixing in stably stratified boundary
  layers over complex ice-water surface in Artic
• Projects ROLARC, MACESIS

8
Gao, Yongqi(pd, NERSC)A2, m
9
Background

• Dr. Yongqi Gao, researcher
• Passive tracer simulations using OGCM
• Thermohaline circulation in North Atlantic Ocean

Gao et al. (2003)
Gao et al. (2004)
10
On-going and Future Projects

• Post Doc. Project Temp. Variability in N.
  Atlantic
• Arctic Radio Contamination (Arc)

11
Marzeion, Ben(ph, NERSC)A2, m
12
Background

• Ben Marzeion, PhD Student
• Dipl.-Ozeanogr. 2003, University of Kiel SOEST,
  Hawaii
• ocean climate physics
• tropical Pacific climate
• ecosystem feedbacks in climate

13
Research projects and interests

• What forces the Atlantic MOC?
• How do diapycnic and convective mixing
  contribute?
• Wind forcing?
• Cross-equatorial flow?
• Stability of the MOC

14
Sandø, Anne Britt(sc, NERSC)A3, m
15
Background

• Anne Britt Sandø, researcher
• Dr.scient. 1999, Dept. of Maths., UoB An
  isopycnicnic model of the Mediterranean Sea
• Ocean modelling and validation
• Vertical mixing and heat fluxes to the atmosphere
• Inter-annual and decadal variabilities in the
  Nordic Seas

16
Research projects and interests

• General Climatic processes in the Nordic Seas
• Specific Variability in heat and freshwater
  fluxes to the Nordic Seas and possible effects on
  coastal and biologically important areas,
  relation between atmospheric forcing fields (wind
  curl) in the North Atlantic and variability along
  the Norwegian coast, relation between deep water
  formation in the Nordic Seas and transports in
  the GIS-section
• Projects West-Nordic Ocean Climate, Bjerknes (20
  )

17
Sjøblom, Anna(pd, BCCR)A7, o
18
Background

• Anna Sjöblom, Post-Doc (GFI)
• Ph.D. 2002, Uppsala University Turbulent
  Structure in the Marine Atmospheric Boundary
  Layer and Its Implications for the Inertial
  Dissipation Method
• Experimental Boundary Layer Meteorology
• Air-Sea Interaction
• Turbulence
• Influence of Sea Surface Waves
• Turbulent Kinetic Energy Budget
• Inertial Dissipation Method
• Wind Energy Meteorology

Östergarnsholm
19
Research interests

• General Experimental studies of
• Air-Sea Interaction
• Boundary Layer Meteorology
• Specific
• Influence of sea surface waves on the MABL
• feedback to the OBL
• influence of sea ice
• open ocean studies with complex wave field
• ??

20
Smedsrud, Lars Henrik(pd, BCCR)A7, o
21
Background

• Dr.scient. 2000, Geophysical Inst. UoB Frazil
  ice formation in the Kara Sea
• Freezing and melting below Antarctic Ice Shelves
• Warming deep water, and overflow of dense bottom
  water in the Weddell Sea.
• Ice formation processes in Polynas, Svalbard

Lars H. Smedsrud
22
Future plans
Wind
Heat
Thicker sea ice
Slush sampler
Slush ice
Sea ice salinity 10 psu ?
CTD
Sea icesalinity 20 psu ?
ROMS ice model improvement