Thursday, May 21, 2015

Flod notes

Drainage basins


  • the area where all the precipitation accumulates is called a drainage basin

  • the boundary in between basins is called a drainage divide

  • rain falling on one side of the divide goes into one basin, where the rain falling on the opposite side goes into a different basin

  • anytime there is t much precipitation in one drainage basin then there well be a flood

  • can result from: melting snow, hail, rain water, ice storm or any other combination  


Tracking the Flood

  • organisations track early flooding to help plan

  • what dams or flood ways need to be built

  • what areas are not good for building

  • what areas need food relief credits ($)













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