071f058e_Dam__Function
[Example] Dams (often called dykes or levees in this context) are used to prevent ingress of water to an area that would otherwise be submerged, allowing its reclamation for human use. [Function] 
Land reclamation
P o w e r g e n e r a t i o n
W a t e r s u p p l y
S t a b i l i z e w a t e r f l o w / i r r i g a t i o n
F l o o d p r e v e n t i o n
L a n d r e c l a m a t i o n
W a t e r d i v e r s i o n
N a v i g a t i o n
R e c r e a t i o n a n d a q u a t i c b e a u t y
Dam
Function