Geomorphology of River Terraces Along Alaknanda Valley, Garhwal Himalaya

Alaknanda river analysis angle frequency Angular Badrinath Belakuchi Bhagirathi Bhagirathi River Bhaldigaon Birehi-ganga boulders central Himalayas Chamoli channel slope colluvium confluence Contd Devprayag dips dolomite downstream erosion feet height difference fluvial Ganga Garhwal group Gauchar Geol Geology geomorphological glacial glaciers gneisses gorge gradient granite gravel terraces Helang Himalayas hydraulic indicate Joshimath Journ Kamet Karnprayag Kauriya Kirtinagar left bank lesser Himalayas limestones Main Central Thrust Maletha maps meander metre height difference morphology mountain Nanda Devi Nandakini Nandprayag Nanga Parbat Pakhi Parbat Patal-ganga pebbles phyllite Pipalkothi Pleistocene quartzite Ratura region right bank river bed river km river terraces river valley rocks rolling Rounded Rudraprayag sample stations schist sedimentary structures sediments shape sinuosity index Sliding slope angle Srinagar Srinagar terrace steep stream Sub-Angular tectonic terrace deposits terrace plains terrace scarps terrace surfaces tributary uplift upper Alaknanda upstream upto velocity Vishnuprayag Zingg zone