Inspection of Trees Using Infrared Thermography

Trees have a fundamental role in the balance of ecosystems. It is, therefore, crucial to find effective methods to study and preserve it. After visual inspection, invasive or even destructive techniques are often applied. New less aggressive technics for inspection and analysis are essential. Infrared Thermography (IRT) registers as a promising technique in the inspection of trees because the tissue of the sap is practically on the surface of the living structure. Thermal images allow for the identification non-healthy tissue and making an observation of the tree as a whole system. This study illustrates a qualitative analysis of the health status of an arboreal Quercus pyrenaica Willd species. Results show the IRT as an expeditious, non-invasive and promising technique for trees’ inspection. This technology provides data that are not possible to get by other methods or by a visual inspection.