GUNASEKERA, LM2011-02-142011-02-1420002000GUNASEKERA, LM, Development of a preliminary computerized simulation model to monitor and predict the pollution levels due to NPK fertilizer, University of Colombo UC(SCI), 2000: p.http://imsear.searo.who.int/handle/123456789/129637Dissertation: M.Sc. , University of Colombo: UC(SCI), 2000.Nutrient leaching into waterbodies effects the quality of water and their inhabitants. One major source of nutrients is the excess NPK fertilizer applied in agricultural practices. Lake of monitoring facilities to measure the degree of interference, makes it difficult to know the of pollution. This study was a preliminary attempt to develop a computerized simulation model predict the pollution levels due to NPK fertilizer leaching into waterbodies. The level of pollution is measured by the algal growth which is given as a number of algal cells. The computerized simulation model is a computer software package which consists of three parts that are the main components of any simulation model, namely, a way of input data, internal processing of these data and the use of these processed data to make predictions as output. The computer simulation model was developed allowing input of any number of variables permitting future expansion of the model. However, the model was tested for only two such variables namely fertilizer concentration and temperature. The regression relationship for fertilizer concentration and temperature with algal growth was teated in the laboratory. Laboratory experiments were carried out to find the relationships between nutrient concentration verses algal growth and the temperature verses algae growth. The results indicated that the ....en-USUniversity of Colombo, UC(SCI): Sri Lanka HELLIS NetworkWater pollutionThesis