The impact of extreme weather conditions and municipal sewage disposal on vegetation using sentinel images, SE Hungary

Ladányi, Zsuzsanna and Farsang, Andrea and Gulácsi, András and Kovács, Ferenc: The impact of extreme weather conditions and municipal sewage disposal on vegetation using sentinel images, SE Hungary. Proceedings of the International Symposium on Analytical and Environmental Problems, (24). pp. 325-329. (2018)

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Abstract

Land application of municipal sewage can enhance the productivity of biomass production systems and can contribute to a better resistance to extremities in water supply. Understanding the impacts requires the examination of changes in soil characteristics and plant productivity. In this study (paralelly to the soil analyises) Sentinel 2B vegetation index series are assessed to monitor the biomass anomalies related to different water supply conditions and the sewage disposal in the period of 2016-2018 in a study area in SE Hungary (Újkígyós). In the humid year of 2016 there were no spatial differences in biomass production of vegetation stands, but as a result of the dry summer in 2017, biomass production deficiencies were observed on the areas of the ancient river meanders, characterised by different soil properties compared to the surrounding areas. In general, the direct impact of municipal sewage disposal could be detected on biomass by increased productivity, the response is probably related to the nutrient status of the site.

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