Fig. 1From: Monitoring of the changes in potential environmental risk of some heavy metals in water and sediments of Burullus Lake, EgyptA Landsat image of the Nile Delta showing the location of Lake Burullus. a By using free satellite imagery data sources. b The study area of El-Burullus lagoon brackish water (31° 22′ − 31° 26′ N and 30° 33′ − 31° 07′ E)Back to article page