Facts of Pakistan by Syeda Taqdees Abbas

 

 Characteristics of Old Flood Plain -10-15m height  -3-5miles width  -flooded every 7/8 years -old alluvium Aka Bhangar (local)  -sub features  Natural Levees French word meaning “Raised”. Found near river banks. Made up of river material  deposited during flood season. Meanders  twisting and turning course of rivers. Usually found in middle and lower course of river. Oxbow lake crescent shaped lake. Formed by separation of loop from the main meandering course  of river. Braided channels Deposition of river material within the river channel shapes Bars/mounds. Dry channels come out from main river. Have water during flood season.  Abandoned channel Aka “Dhoros” (local). Remains of river channels/ dried out river channels( used for  inland fishing).  remains of ox-bow lakes dried out ox-bow lakes  Meander scars Dried out meandering course of river.  Piedmont Plain -Located on the foothills of mountains. Sub-feature is alluvial cone/fan  Alluvial fan fan shaped/cone shaped deposit of gra