Objectif TO PRODUCE A COMPUTER PACKAGE APPLICABLE TO PROBLEMATIC WATERSHED FLOW AND COASTAL AREAS. RUNOFF FROM RAINFALL IS THE MOST IMPORTANT MECHANISM IN THE TRANSPORT OF SOIL PARTICLES, PLANT RESIDUES, MANURE, SALTS, NUTRIENTS, INSECTICIDES, HERBICIDES AND A VARIETY OF INDUSTRIAL AND MUNICIPAL POLLUTANTS FROM THE LAND INTO SURFACE WATER BODIES. THE FIRSTS PHASE OF THIS RESEARCH IS THE DEVELOPMENT OF A MATHEMATICAL-COMPUTER MODEL, DESCRIBING WATER FLOWING IN A HYDROLOGICAL BASIN ACROSS CROP LAND, FARM ANIMAL FEEDLOTS, CITIES ANS INDUSTRIAL AREAS. THE MATHEMATICAL-COMPUTER MODEL TO BE DEVELOPED WILL SIMULATE THE POLLUTANT TRACE (TRANSPORT, TRANSFORMATION, ADSOPTION ON SOIL PARTICLES, BIODEGRADATION), FROM THE PLACE OF INPUT TO THE LAND ON OUT TO STREAM OR WATER BODY (SURFACE OR SUBSURFACE PATHWAYS) UNDER A VARIETY OF LAND CONDITIONS. THE COMPUTER PROGRAMME WILL ACCEPT AS INPUT THE REAL MORPHOLOGY (MAP) OF THE HYDROLOGICAL BASIN USING A DIGITISER (HP 9874 A) INTERFACED TO A COMPUTER. SIMULATED PRECIPITATION DATA WILL BE USED TO DEVELOP STOCHASTIC MODELS OF WATERSHED HYDROLOGIC PROCESSES, AND TO UNDERSTAND AND SIMULATE THE TRANSPORT SYSTEM OF AGRICHEMICALS SO THAT RELIABLE PREDICTION COULD BE MADE OF RUNOFF WATER QUALITY FOR A VARIETY OF CHEMICAL INPUTS ALONG WITH A NUMBER OF LAND USE TREATMENTS. THE COMPUTER PROGRAMME WILL GIVE QUANTITATIVE ANSWERS TO THE PATHWAYS, TIME OF TRAVEL, AND FATE OF A POLLUTANT DISPOSED IN ANY PLACE IN THE WATERSHED AREA. EMPHASIS WILL BE PLACED UPON THE FATE OF THE GROUP OF PERSISTENT ORGANIC CHEMICALS (I.E. CHLORIMATED HYDROCARBONS) AND TRACE METALS. THIS PART OF THE PROGRAMME WILL DETERMINE THE RATE INPUT OF EACH POLLUTANT INTO THE MARINE ENVIRONMENT, THE BASE LINE DISTRIBUTION OF THE POLLUTANTS AMONG THE COMPONENTS OF THAT ENVIRONMENT AND THE RATE OF BUILDUP IN A GIVEN RESERVOIR. Programme(s) PRE-ENVPROT 3C - Sectoral research and development programme (EEC) in the field of environment (environmental protection and climatology) - indirect and concerted actions - Environmental protection -, 1981-1985 Thème(s) Data not available Appel à propositions Data not available Régime de financement CSC - Cost-sharing contracts Coordinateur Demokritos University of Thrace Contribution de l’UE Aucune donnée Adresse 17,dimokritou 69100 Komotini Grèce Voir sur la carte Coût total Aucune donnée