Using Treated Wastewater in Groundwater Recharge at Wadi El Farigh Area, Egypt: GIS and Remote Sensing Applications |
Paper ID : 1062-ICRSSSA-FULL |
Authors |
Salwa Farouk Elbeih *1, Mohammed Hagage2, Wael Attia3, Elsayed Abdelsadek1 1Engineering Applications Department, National Authority for Remote Sensing and Space Sciences 2Population, Geographical and Archeology, National Authority for Remote Sensing and Space Sciences 3Engineering Applications, National Authority for Remote Sensing and Space Sciences |
Abstract |
On the western edges of the Nile Delta, Wadi El-Farigh area occupies agricultural reclamation projects that mainly depend on groundwater for irrigation. Due to over-pumping, groundwater levels have fallen, leading to an increase in the cost of pumping water and deteriorating its quality. The study aims to use treated wastewater in artificial recharge of the groundwater aquifers to improve the efficiency of groundwater use and ensure its sustainability. To select the most suitable site for groundwater recharge, a GIS weighted overlay model was created that relies on a large amount of data taken from satellite images (Tandem-X and SRTM elevation data images, Landsat 8 satellite image, and Sentinel-2 image), geological maps, hydrogeological data, and field meas-urements. Remote sensing data contributed to determining land cover, defining lake boundaries, extracting agricultural lands using NDVI band ratio and hydro-logical analysis. The results show that the best sites for an artificial recharge experiment are located in the southwest and northwest extensions of Wadi El-Farigh. In addition a channel was proposed to transport water from the treatment station to the recharge location, where the best path for it was determined. This study shows the importance of integrating between satellite data and GIS for the proper management of groundwater. |
Keywords |
Artificial Recharge, Remote Sensing, GIS, Groundwater, Wadi El-Farigh |
Status: Accepted (Oral Presentation) |