Riffle
riffle
riffle
It's usually a small valley or shallow canyon.
a small, shallow dish
a small, shallow dish
As ponds, small lakes and slow flowing rivers, may be shallow generally, a flat bottomed, or a shallow keeled boat is best.
It is a bug that can be found in small shallow puddles or in a pond It is a bug that can be found in small shallow puddles or in a pond It is a bug that can be found in small shallow puddles or in a pond It is a bug that can be found in small shallow puddles or in a pond
This contributor is aware of no depth requirement for ponds, but they are all probably shallow enough to wade across, and small enough so that the water is always still.
Shallow-rooted plants such as grasses and small shrubs are common in the polar tundra because of the cold and permafrost. Shallow roots are necessary because the ground remains frozen much of the time.
A kiddie pool is the small pool that you see at a park next to the larger pool. It gives the children who are too small to even get into the shallow end of the big pool a place to get wet and swim the best way they know how.
blowout
The reason seawater is trapped in huge shallow pools in stead of small deep ones is beacause huge shallow pools has a larger surface area, allowing the water to evaporate quicker leaving the salt behiend.