Abstract

Dhemaji district of Assam is very prone to flood and siltation because of various hydrometeorological and topographical characteristics of the basin in which it is situated Jiadhal the main river of Dhemaji district has long been considered as a problematic river in the history of Assam due to recurrent and extensive flooding and siltation Flood and siltation in the Jiadhal basin is characterized by their extremely large magnitude high frequency and extensive devastation An extensive field study has been done along the river Jiadhal Household survey was carried out with detailed and exhaustive questionnaire Statistical methods were applied to understand the intensity of impact of the river on socioeconomic activities of the population It has been found that the extensive flood and siltation in the basin has changed their socio economic status and have adapted and coped with the new environmental change in the riverine areas of the Dhemaji district These hazards posed threat to the local people who lived along the river Losing of residential and agricultural land are main issue and problematic issue The exploitation of the land proper management and control of water resources are of vital importance for bringing prosperity in the pre dominantly agro based economy of this district