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Proximity Effect Analysis of Overhead High Voltage Transmission Line on Residential Communities Using Remote Sensing and Geographic Information System

This study is aimed to investigate the association of living near high voltage power lines which cause adverse effects on human beings due to emission of Extra Low Frequency Electromagnetic Field (ELFEMF). As power lines and towers are designed to conduct electricity over great distances, the electromagnetic properties of electricity and the magnets used in its conduction may pose certain health hazards. Many scientific evidence suggests that every day, chronic, low-intensity extremely low frequency magnetic field exposure poses a possible health risk. The theoretical calculation of electric and magnetic fields have been performed and the values are cross referenced with the basic limit set by International exposure levels of EMF. Residential communities are identified from satellite images through different image classification techniques. Based on the materials used for buildings and distance from HT lines the vulnerability on humans is analysed. The results of this study can be used as reference in future building constructions carried out near HT lines such that they minimize the health hazards.