A Study of Geomorphological Analysis and Fluvial Landforms on the Course of River Tista in Sikkim

Geomorphology sub-fields of physical geography which studies landforms on the earth’s surface. Geomorphic processes and its landforms are the major domain of the subject. Although, various types of landforms glacial, arid, aeolian, fluvial, etc have its own processes and system. Fluvial processes are conscientious for the frequently change the earth landscape compared to other processes. The fluvial landscape is dynamic in nature, river affects a land in three ways i.e. erosion, transportation, and deposition, with the help of fine to coarse-grained erosional tools viz. sand, pebbles, boulders, etc, these three activities of the river are inter-related. Study of fluvial landforms is out most important owing to major human activities are found on the river bank. Nonetheless, river valley of Tista has numerous urban settlement, rural settlement, transport, and industries. Being the valleys lies in the IV Zone of seismic zonation map of India, valleys are more vulnerable to natural extreme events.