... to pollution in downstream basins. On the other hand, in the drainage basins that experience the influence of ground water inflow, river flow is higher than its upstream, thereby diluting the ... flowing at monitoring points 4, 5 and 6. However, at point 7, a tributary merged with the river and water flowed downstream. Similarly, at point 9, there was no water in its upstream point 8 and ... were first converted into GIS layer data in the mesh form and overlaid with the delineated drainage basins in ArcGIS (Fig. 11). Then using the clip tool of ArcGIS, meshes with the values of atmospheric...