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Trounce Pond, a retention basin landscaped with natural grassland plants, in Saskatoon, Saskatchewan, Canada
Trounce Pond, a retention basin landscaped with natural grassland plants, in Saskatoon, Saskatchewan, Canada
The Corporate Park retention basin in Stafford, Texas, United States
The Corporate Park retention basin in Stafford, Texas, United States
A retention pond guarded by concrete wall and surrounded by taro plants in an semi-urban Indian town
A retention pond guarded by concrete wall and surrounded by taro plants in an semi-urban Indian town
Retention basin in Pinnau, Schleswig-Holstein, Germany
Retention basin in Pinnau, Schleswig-Holstein, Germany
A weir was built on the Humber River (Ontario) to prevent a recurrence of a catastrophic flood.
A weir was built on the Humber River (Ontario) to prevent a recurrence of a catastrophic flood.
A floodwater storage pond, in its usual empty state. It is intended to soak up flood water and release it slowly.
A floodwater storage pond, in its usual empty state. It is intended to soak up flood water and release it slowly.
The same pond, full of the water it is detaining, during a flood. Once the peak of the flood has passed, it will slowly drain again.
The same pond, full of the water it is detaining, during a flood. Once the peak of the flood has passed, it will slowly drain again.
Relationship between impervious surfaces and surface runoff
Relationship between impervious surfaces and surface runoff