геоинформационные технологии

The article represents possibilities of GIS technology in addressing the problem of optimizing route of gas main in the Petrovskiy district of the Saratov region. Also classical method of calculating the optimal search area of gas main and major factors that influence the position of the route are represented

The construction and operation of industrial objects of oil and gas branch cause negative influence on environment. It could be minimized under condition of a well-organized system of ecological monitoring and acceptances of corresponding preventive works. In a view of optimization and also for increase of efficiency of ecological monitoring there are necessary the well-founded choice of points of prospective works.

The article represents risk modeling of emergency situation during accident of model part of Petrovskiy district (Saratov region) gas main with GIS technologies using. Also methods of detonation zones estimation and cloud of dangerously explosive blend spreading estimation during accident gas main depressurization subject to wind direction and speed are represented