Sources identifications Aerial images 1 Antennas 1 Bangladesh 1 Binocular camera 1 Block-chain 1 Blockchain 1 Chlorine compounds 1 Construction industry 1 Data signals 1 Edge computing 1 Geogenic 1 Identification method 1 Industrial riverbank 1 Maximum likelihood estimation 1 Mean square error 1 Mobile edge computing 1 Multivariant analysis 1 Pasur River 1 Pasur river 1 Pollution index 1 Pollution status 1 Quality index methods 1 Received signal strength 1 Reservoirs (water) 1 River pollution 1 River water 1 Rivers 1 Signal source 1 Smart contract 1