OA17 Climate variability: models and observations (co-sponsored by SE)
.3 Climate variability: time scale interactions I

Convener: Slingo, J.M.
Wednesday, 22 April 1998
Lecture Room: EUTERPE

Chairperson: Slingo, J.M.

Coupled processes and global teleconnections

• 08:30 BLADE, I.
  The influence of midlatitude ocean/atmosphere coupling on the low-frequency variability of a GCM with tropical SST forcing (Solicited Paper)
• 09:00 DOMMENGET, D.; LATIF, M.
  Time scale interactions of SST variability in different GCM simulations
• 09:15 KATTENBERG, A.; DRIJFHOUT, S.S.
  The role of the oceans in coupled model climate variability
• 09:30 NORTON, W.A.; JEWSON, S.P.; SUTTON, R.T.; JONES, C.G.
  On the influence of North Atlantic SST anomalies on the atmosphere
• 09:45 MARTINEU, C.; PAREY, S.
  Relations between NAO, PNA and ENSO oscillations in seasonal winter simulations with four AGCMs
• 10:00 MARQUET, P.
  Seasonal forecasts with a coupled AOGCM
• 10:15 AUAD, G.; MILLER, A.J.; WHITE, W.B.
  Simulation of interdecadal heat storages and heat budgets in the upper 400 m of the Pacific Ocean
• 10:30 JONES, C.G.; THORNCROFT, C.D.
  Assessing the influence of ENSO forcing on synoptic activity in the tropical Atlantic

Stability and variability of the climate system

• 10:45 BATES, J.R.
  A dynamical stabilizer in the climate system: a mechanism suggested by a simple model (Solicited Paper)
• 11:15 DRIJFHOUT, S.; HAARSMA, R.J.
  The influence of solar variability on the variability of the climate system
• 11:30 PELLETIER, J.D.
  Natural climate variability on all time scales from a stochastic atmosphere-ocean model
• 11:45 SCHÄR, C.; LÜTHI, D.; BEYERLE, U.; HEISE, E.
  The soil-precipitation feedback: a study with a regional climate model

12:00 LUNCH

12:00 Business Meetings

Chairperson: Bladé, I.

Scale interactions and ENSO dynamics

• 14:00 VAN OLDENBORGH, G.J.
  Tracking down the causes of the 1997 El Nino with an adjoint OGCM
• 14:15 BALMASEDA, M.; ALVES, J.; ANDERSON, D.; FERRANTI, L.; SEGSCHNEIDER, J.; STOCKDALE, T.
  Do westerly wind bursts limit ENSO predictability?
• 14:30 VIALARD, J.; DELECLUSE, P.
  Vesterly wind bursts and trigering of ENSO
• 14:45 BENESTAD, R.E.; SUTTON, R.T.; ANDERSON, D.L.T.
  Intraseasonal Kelvin waves in the tropical Pacific
• 15:00 FINK, A.H.; SPETH, P.; VINCENT, D.G.; SCHRAGE, J.M.
  High and low frequency intraseasonal variance of OLR on annual and ENSO time scales
• 15:15 SLINGO, J.M.; ROWELL, D.P.; SPERBER, K.R.
  On the predictability of interannual variations in the activity of the Madden Julian Oscillation
• 15:30 GUALDI, S.; NAVARRA, A.; TINARELLI, G.
  The interannual variability of the Madden-Julian oscillation in an ensemble of GCM experiments
• 15:45 VAN DER VAART, P.C.; DIJKSTRA, H.A.; JIN, F.F.
  The Pacific cold tongue and the ENSO mode in a fully coupled Zebiak-Cane model
• 16:00 BOULANGER, J.-P.; MENKES, C.
  On long equatorial wave reflection
• 16:15 RAYNAUD, S.; SPEICH, S.; MADEC, G.
  Interannual variability of the ocean-atmosphere system through global general circulation model results: the Pacific Ocean

16:30 END OF PART I
 

OA17 Climate variability: models and observations (co-sponsored by SE)
.3 Climate variability: time scale interactions - Poster Session

Convener: Slingo, J.
Display Time: Monday, 09:00 - Friday, 13:00
Authors in Attendance: Wednesday, 17:00 - 19:00
Poster Area: LES MUSES

• OA187 CASTANHEIRA, J.M.; DACAMARA, C.C.; ROCHA, A.
  Global circulation patterns associated with atmospheric forcing by sea surface temperature
• OA188 ROCHA, A.; BELO, M.
  The ENSO signature on winter rainfall over the Iberian Peninsula
• OA189 ALEXEEV, V.A.; BATES, J.R.
  Sensitivity of the climate of a GCM to the boundary layer parameterizations
• OA190 LORANT, V.; ROYER, J.-F.
  Sensitivity to resolution studied with a variable horizontal resolution global circulation model
• OA191 PRIGANCOVA, A.; PULAKOS, C.; PETROPOULOS, B.
  Some quantitative signatures of climate variability on time scales of solar forcing
• OA192 KURGANSKY, M.V.; PISNICHENKO, I.A.
  Modified Ertel's potential vorticity as a climate variable
• OA193 CABOS, W.; ORTIZ BEVIA, M.J.; JIMENEZ, J.J.
  Study of scale interaction in the anomalies equatorial Atlantic
• OA194 VAN EIJK, M.; BURGERS, G.; VAN OLDENBORGH, G.J.
  The implementation of a nonlocal diffusion model in the HOPE OGCM
• OA195 RAZORENOVA, O.A.
  Variability and interaction of the global atmosphere circulation forms over the Atlantic and European sectors of the northern hemisphere in winter
• OA196 MENDONCA LEITE, S.; ANDRADE SANTOS, J.
  Contribution to the analysis of Iberian Peninsula climate variability
• OA197 PEREIRA, M.G.; DACAMARA, C.C.
  Coupled modes of variability between surface temperature in Portugal, 500 hPa height and sea-level pressure
• OA198 CARAMELO, L.; MANSO ORGAZ, M.D.
  A estudyn of hydrologic variability of Douro river basin
• OA199 TSCHUCK, P.; ARPE, K.
  A climatology of onset dates of the Asian summer monsoon
• OA200 CARL, P.
  A generically intraseasonal southern oscillation of the atmosphere-land system?
• OA201 TRZASKA, S.; RICHARD, Y.; ROUCOU, P.
  Numerical study of the impact of first eigenmodes of SST variability on tropical rainfall
• OA201A TIBALDI, S.; QUADRELLI, R.; CESARI, V.
  Influence of SST on observed midlatitude blocking variability
   

OA17 Climate variability: models and observations (co-sponsored by SE)
.3 Climate variability: time scale interactions II

Convener: Slingo, J.M.
Thursday, 23 April 1998
Lecture Room: EUTERPE

Chairperson: Fink, A.

European climate and the NAO

• 08:45 CESARI, V.; TIBALDI, S.; TOSI, E.
  Blocking simulation in general circulation models with different resolutions
• 09:00 MICHELANGELI, P.-A.; VAUTARD, R.
  The dynamics of Euro-Atlantic blocking onsets
• 09:15 BARTHOLY, J.; PONGRACZ, R.
  Comparing signals of ENSO and NAO for selected regions of the northern hemisphere
• 09:30 WEBER, R.O.; STEFANICKI, G.; TALKNER, P.
  Influence of NAO index to synoptic weather situation over Switzerland
• 09:45 PIRAZZOLI, P.A.; TOMASIN, A.
  The recent abatement of easterly winds in the northern Adriatic

Monsoons

• 10:00 ANNAMALAI, H.; SLINGO, J.M.
  The interaction between intraseasonal and interannual variability and its relevance for the seasonal predictability of the Asian summer monsoon (Solicited Paper)

10:30 BREAK

Chairperson: Slingo, J.M.

• 11:00 CHAUVIN, F.; ROYER, J.-F.; STEPHENSON, D.B.
  Role of Indian Ocean SSTs on the Asian summer monsoon
• 11:15 ARPE, K.; TSCHUCK, P.
  Impact of SST forcing on the monsoons of 1987/88
• 11:30 SCONCIA, B.; HOSKINS, B.
  Intraseasonal variability of the Indian monsoon
• 11:45 GIORGETTA, M.A.; BENGTSSON, L.; ARPE, K.
  QBO signals in the monsoon system in GCM experiments
• 12:00 MAYNARD, K.; POLCHER, J.; LAVAL, K.
  The role of land surface processes in interannual variability of the LMD GCM
• 12:15 CARL, P.
  On the modal structure of Indian monsoon onset
• 12:30 JONES, C.; WALISER, D.E.; SCHEMM, J.-K.E.; LAU, W.K.M.
  Prediction skill of the Madden-Julian oscillation in dynamical and statistical models*

12:45 END OF SUB-SESSION