Document Type : Original Article
Author
Faculty of Environmental Studies, Ain Shams University, Cairo, Egypt
Abstract
Egyptian Northern Lakes are highly dynamic aquatic systems that have undergone considerable physical, chemical, and biological changes during the past century. Using Data Fusion Techniques of Remote sensing data and Geographic Information Systems can be used to detect, monitor and evaluate changes in ecosystems and develop management strategies for maintaining the lake's resources. Coastal lakes in the Mediterranean region constitute a major aquatic Resource. Northern Egyptian lakes are all impacted by a variety of environmental change processes, but direct human activities have had the greatest effect during the 20th Century. Using different satellite images from 1973 to 2018 for monitoring and assessing the pollution problem of Lake Edku by mapping water properties (water transparency, salinity, PH, TSM, Phosphors), Lake Eutrophication (Nitrites, Nitrates, Ammonia, Water Organic Matter), Heavy Metals (Cadmium, Chromium, Copper, Iron, Nickel), also mapping the sediment parameters (PH, TDS, OM, Fe, Cd, Pb, Cr, Ni), all of this for monitor and analyzing the Water Quality of Lake Edku in 2019 to study its ecology and estimating the spatial-temporal changes occurred in the both water body of the Lake. By comparing the study results with other previous results, it was found that the percentage of some elements as Cadmium, Nickel, increased, while others appeared as Chromium, Ammonia, and Iron, where the percentage of Copper and PH was within the range.
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