Rapid environmental monitoring of water areas
- 1 — St. Petersburg Electrotecnical University LETI
- 2 — St. Petersburg Electrotecnical University LETI
- 3 — St. Petersburg Electrotecnical University LETI
Abstract
New methods of remote determination of the thickness, spill area and type of oil film on the water surface using fluorimetric lidar have been developed, providing monitoring of oil films in the thickness range from several micrometers to several tens of micrometers from a moving ship and a low-flying aircraft. The ultrasonic express-method has been developed for express measurement of films with thickness more than 100 micrometers. In realizing this method, measurements are made in real time by probing the water surface from a moving ship using an ultrasonic source and receiver placed under water. The efficiency of these methods has been studied experimentally in laboratory conditions with the use of different types of oil spilled on the water surface. The principles of constructing a biotechnical system for assessing the current state and forecasting the quality of water environments polluted by oil products are considered.