Abstract: Decay processes occurring in waste on landfills are connected with temperature rise and lead to stabilisation of organic phase. Those sources of thermal emission detectable using a thermovision camera in monitoring the bioactivity in organic mass on legally located landfills and also in detection of illegally located landfills are discussed. The thermovision method can be useful in detection of gas emission and emission leakage percolating through an unsealed lining system. There is a remote sensing short-term detection of leaks also in the insulating barrier of landfill.
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