Objetivo A BETTER UNDERSTANDING OF THE PHYSICAL PROCESSES YIELDING THE HEAT FLUXES OBSERVED OVER HETEROGENEOUS MEDIA AND THEREFORE TO A BETTER PARAMETRIZATION OF THESE FLUXES AT MESO-SCALE, INCLUDING IF POSSIBLE PARAMETERS MEASURABLE FROM SATELLITES. THE DERIVATION AND IMPROVEMENT OF WELL VALIDATED METHODS OF MEASUREMENT OF THESE FLUXES AT THE APPROPRIATE SCALES. EXPERIMENTS WILL BE PERFORMED IN ORDER : I.TO MEASURE RADIANCE, HEAT, WATER AND MOMENTUM FLUXES OVER DIFFERENT SURFACE TYPES; II.TO RELATE LOCAL MEASUREMENTS (REPRESENTATIVE OF SMALL PLOTS) TO NON-LOCAL MEASUREMENTS, SUCH A EDDY CORRELATION MEASURED BY AIRCRAFT OR RADIANCE FLUXES MEASURED BY SATELLITES, AND III.TO CHARACTERISE THE SRUCTURE OF THE LAND SURFACE IN SIMPLE, QUANTITATIVE TERMS, SUCH AS DENSITY AND HEIFGT OG VEGETATION, ROUGHNESS LENGTH, SURFACE SLOPE AND EXPOSURE. THE DUTCH CONTRIBUTION CONSISTS OF A.PARTICIPATION TO THE JOINT FIELD EXPERIMENT IN CRAU, FRANCE, IN JUNE 1987, B.PROCESSING THE COLLECTED DATA; BRINGING THESE ON MAGNETIC TAPES IN A STANDARD FORMAT, C.VERIFICATION OF (EXISTING) METHODS. FOR THE FIRST TWO YEARS WE WILL CONFINE OURSELVES TO IRREGULARITIES AT THE SURFACE WHICH ARE SO SMALL (10-1000M.) THAT THESE DO NOT EFFECT THE DYNAMICS OF THE PLANETARY BOUNDARY LAYER (PLB). IN A LATER STAGE, THE DUTCH GROUP WILL CONTRIBUTE ALSO TO THE PROBLEM OF NON-UNIFORM TERRAIN WITH IRREGULARITIES ON A LARGER SCALE (BUT SMALLER THAN 100 KM.) THAT INFLUENCE THE DYNAMICS OF THE PBL.FOR THIS MODELS, E.G. A LARGE-EDDY PBL MODEL, ARE AVAILABLE. Ámbito científico engineering and technologymechanical engineeringvehicle engineeringaerospace engineeringsatellite technologyengineering and technologymechanical engineeringvehicle engineeringaerospace engineeringaircraft Programa(s) FP1-CLIMAT 3C - Multiannual R&D programmes (EEC) in the field of the environment - Climatology and natural hazards - , 1986-1990 Tema(s) Data not available Convocatoria de propuestas Data not available Régimen de financiación CSC - Cost-sharing contracts Coordinador LANDBOUWUNIVERSITEIT WAGENINGEN Aportación de la UE Sin datos Dirección POSTBUS 9101 SALVERDAPLEIN, 10 6700 HB WAGENINGEN Países Bajos Ver en el mapa Coste total Sin datos Participantes (4) Ordenar alfabéticamente Ordenar por aportación de la UE Ampliar todo Contraer todo ARISTOTELIAN UNIV DEPT OF BIOLOGY Aportación de la UE Sin datos Dirección Ver en el mapa Coste total Sin datos GROUPEMENT SCIENTIFIQUE DE TELEDETECTION Aportación de la UE Sin datos Dirección Ver en el mapa Coste total Sin datos INST F METEOROLOGIE Aportación de la UE Sin datos Dirección Ver en el mapa Coste total Sin datos INSTITUTE OF GEOGRAPHY Aportación de la UE Sin datos Dirección Ver en el mapa Coste total Sin datos
