The given picture illustrates before and after situation of an area adjacent to a river. Visible differences was observed in between these different situations.
Before flood, there were ten houses situated very close to the way of the flow of Blackstone river. Moreover, there were several trees and a bridge on the river. Eventually all of these were demolished for the cause of flood. The major change occurred in the streamline of the river. Signicant modification in the pathway was the main effect for these changes.
After flood, seperate two water streams was observed. Where one of the water source seems to be confined within a specific area. On the other hand, another streamline almost followed the past streamline of the Blackstone river.
Flood being one of the significant natural calamity cause irrepairable loss to humankind and environment. This is totally evident as many houses, bridge and trees were damaged after the flood situation of Blackstone river.
