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River Erosion In Bangladesh

Bangladesh is one of the most populated countries in the world having 32% coastal area that is 47,211 square kilometers, 35 million people live in the coastal area which is 28% of the total population. According to the specialist development activities of mankind, especially, the over exploitations and pollutions of the water resource and biodiversity have increased the risks of the disasters as a result of climate changes such as river erosion. River Erosion is an endemic and recurrent natural hazard in Bangladesh. When rivers enter the mature stage (as in the case with the three mighty rivers, ganges, brahmaputra and meghna) they become sluggish and meander or braid. These oscillations cause massive river erosion. Every year, millions of people are affected by erosion that destroys standing crops, farmland and homestead land. It is estimated that about 5% of the total floodplain of Bangladesh is directly affected by river erosion. Some researchers have reported that river erosion is taking place in about 94 out of 489 upazilas of the country. A few other researchers have identified 56 upazilas with incidence of erosion. At present, river erosion and flood hazards in nearly 100 upazilas have become almost a regular feature. Of these, 35 are severely affected. For last 15 days river erosion by the Padma River have caused extensive damages to human habitation and crop fields as well. For this lots of people have lost their own homeland who were situated at Dohar, Dhaka, Bangladesh.

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