OA10 Fluxes over terrestrial surfaces
.1 Surface fluxes in non-homogeneous terrain

Convener: Foken, Th.
Wednesday, 22 April 1998
Lecture Room: THALIE

Chairperson: Jensen, N.O.

Methodological studies I

• 09:00 PANIN, G.N.; TETZLAFF, G.; RAABE, A.
  Turbulent simulation of the air flux above inhomogeneous surfaces
• 09:15 HORST, T.W.
  The fetch requirements for profile and Bowen-ratio measurements of scalar fluxes
• 09:30 SCHMID, H.P.
  Scaling up of measured fluxes from a vegetation stand to the ecosystem scale: a footprint based methodology
• 09:45 FRIBORG, T.; SOEGAARD, H.; NORSTROEM, C.; HANSEN, B.U.; CHRISTENSEN, T.R.
  Scaling of CO2 and CH4 fluxes from chambers to landscape scale
• 10:00 JENSEN, N.O.; HASAGER, C.B.
  On scalar surface flux aggregation in heterogeneous landscapes

10:15 BREAK

Chairperson: Schmid, H.P.

Methodological studies II

• 10:45 FRIEDRICH, K.; MÖLDERS, N.
  A numerical case study on the sensitivity of the water and energy fluxes to the heterogeneity of the distribution of land use
• 11:00 ISSLER, S.A.; ROTACH, M.W.; SCHMID, H.P.
  Large eddy simulation in neutral stratification over inhomogeneous vegetation canopy
• 11:15 IRITZ, Z.; LINDROTH, A.
  Evaluation of the time-step effect on model results by using the modified Shuttleworth-Wallace evaporation model
• 11:30 PANIN, G.N.; NASONOV, A.E.; FOKEN, TH.
  Model of the energy-mass exchange in a coastal zone
• 11:45 WEIDINGER, T.; MATYASOVSZKY, I.
  Estimating turbulent fluxes using an optimal averaging method

12:00 LUNCH

12:00 Business Meetings

Chairperson: Horst, T.W.

Experimental studies I

• 14:00 DI SABATINO, S.; TAMPIERI,, F.; TROMBETTI, F.
  The growth of the internal boundary layer in different stability conditions
• 14:15 JEGEDE, O.O.; FOKEN, TH.
  Influence of roughness change on the profiles of mean wind and momentum flux observed in the neutral surface layer
• 14:30 KUKHARTES, V.P.; TSVANG, L.R.; RICHTER, S.H.; WEISENSEE, U.; FOKEN, TH.
  Variation of the surface temperature and the closure of the energy balance of the surface layer
• 14:45 GROSSMAN, R.L.; LEMONE, M.A.; BLUMEN, W.
  Effect of soil moisture on the diurnal variability of the atmospheric boundary layer
• 15:00 PHERSSON, M.; LINDROTH, A.
  Effects of soil moisture dynamics on transpiration in a mixed coniferous forst in central Sweden

Chairperson: Panin, G.N.

Experimental studies II

• 15:15 HOBBS, S.E.; DYER, D.J.
  Surface flux observations using remotely piloted aircraft - initial results
• 15:30 STRUNIN, M.A.; FOKEN, TH.
  Influence of non-homogeneity of underlying surface on the structure of turbulence in the atmospheric boundary layer
• 15:45 SCHUEPP, P.H.; OGUNJEMIYO, S.O.; KAHARABATA, S.; DESJARDINS, R.L.; MACPHERSON, J.I.
  Low-level airborne flux observations over heterogeneous terrain in BOREAS
• 16:00 VON HÜNERBEIN, S.; GASSNER, M.; RICHNER, H.
  Surface heatflux extrapolated from sodar-derived heatflux profiles
• 16:15 LAUBACH, J.; MCNAUGHTON, K.G.
  Unequal eddy diffusivities of heat and water vapour at the base of an advective inversion

Chairperson: Foken, Th.

Special studies

• 16:30 POGGIO, L.; FURGER, M.; GRABER, W.K.; PREVOT, A.
  Scidar/DOAS measurements during the VOTALP valley experiment
• 16:45 TAGLIAZUCCA, M.; GIOSTRA, U.; CAVA, D.
  Spectral analysis of topographic forcings in a stable boundary layer
• 17:00 END OF SUB-SESSION
   

OA10 Fluxes over terrestrial surfaces
.1 Surface fluxes in non-homogeneous terrain - Poster Session

Convener: Foken, Th.
Display Time: Monday, 09:00 - Friday, 13:00
Authors in Attendance: Thursday, 17:00 - 19:00
Poster Area: LES MUSES

Chairperson: Foken, Th.

• OA226 WEBER, R.O.
  Remarks on the definition of friction velocity
• OA227 INFANTE, C.; SOLER, M.R.
  Land surface parameterization model. Comparison with measurements
• OA228 LUND, M.R.
  Modelling the partitioning of the evaporation from a heterogeneous millet crop in Burkina Faso
• OA229 RAABE, A.; TETZLAFF, G.; PANIN, G.N.
  Underestimation of turbulent fluxes and the degree of inhomogeneity of the land surface around the experimental site
• OA230 ZIEMANN, A.; ARNOLD, K.; RAABE, A.
  An experimental method for characterisation of non-ideal measuring sites
• OA231 SIEGRIST, F.
  Vertical flux profiles and problems of energy balance closure within the planetary boundary layer derived from eddy correlation measurements and tethered balloon soundings
• OA232 BEYRICH, F.; NEISSER, J.; QUANTE, M.; WODE, CH.
  Fluxes over heterogeneous land surfaces - the LITFASS-1998 experiment
• OA233 ALADOS-ARBOLEDAS, L.; OLMO, F.J.
  Sensible heat flux and radiometric surface temperature over sparse vegetation in a semiarid region
• OA234 HURTALOVA, T.
  Parametrization of local advection influence on water transport
• OA235 KOWALSKI, A.S.; VONG, R.J.
  Vertical evolution of turbulent cloudwater fluxes above forest
• OA236 MARTANO, P.; MATINO, M.
  Vertical fluxes balance in coastal sites
• OA237 CARDOSO, R.M.A.P.; MIRANDA, P.M.A.
  Momentum fluxes due to sub-grib scale orographic effects
• OA238 BLYTH, E.; HUNTINGFORD, C.
  Estimating potential evaporation over a hill
• OA239 DRUILHET, A.; SAID, F.
  Surface fluxes, turbulent moments and characteristic scales of a tropical forest, a tropical savannah and a Sahelian savannah in Africa
• OA240 LEVY, P.E.; GRELLE, A.; LINDROTH, A.; MOLDER, M.; JARVIS, P.G.; KRUIJT, B.; MONCRIEFF, J.B.
  Regional-scale CO2 fluxes over central Sweden by a boundary layer budget method
• OA241 FINKELE, K.; KATZFEY, J.J.; KOWALCZYK, E.A.; MCGREGOR, J.L.; RAUPACH, M.R.
  Regional energy flux measurements and modelling along a rainfall gradient in Australia
• OA242 PANFYOROV, O.; KROEGER, M.; SCHNITZLER, K.-G.; GRAVENHORST, G.
  Influence of vegetation cover heterogeneity on the spectral composition of up- and downward directed radiative fluxes
• OA243 PAPAIOANNOU, G.; GIANNOPOULOS, P.; RETALIS, D.; ASIMOKOPOULOS, D.
  Atmospheric radiation parameterizations
• OA244 GOTTIKH, R.P.; LAUBENBAKH, E.; MELTCHOUK, B.; SHABALIN, N.YA.; BOROVSKY, M.YA.
  Combine atmo-radiogeochemical survey and monitoring of manifestations of endogeneous processes