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When water reaches an impermeable layer, such as a layer of rock or clay, it cannot pass through or be absorbed by the layer. This can lead to the water pooling on top of the impermeable layer, causing waterlogging or the formation of a water table. It can also lead to the creation of wetlands or lakes in certain circumstances.

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What happens once groundwater reaches a layer of rock in the ground that it cannot pass through?

When groundwater reaches a layer of rock it cannot pass through, it accumulates above the impermeable layer, creating a water table. This can lead to the formation of a perched water table, causing localized saturation above the impermeable layer. If the water cannot escape through another pathway, it may flow laterally along the top of the impermeable layer.


Where does water in a spring come from?

Water in a spring usually comes from precipitation that falls on the ground and then percolates deep into the ground until it reaches an impermeable layer. The water is then forced back to the surface through the pressure created by the impermeable layer, forming a spring.


Is the water table below the layer of impermeable rock?

If the layer of impermeable rock is below the water table, then the water table is likely above the impermeable rock and the groundwater will be trapped above it. If the impermeable rock is above the water table, then the water table is likely below the impermeable rock layer and the groundwater will not be able to pass through it.


What is an impermeable layer?

It is a layer that cannot be penetrated. Typically it refers to penetration by water, though it may sometimes refer to air. If water cannot permeate through a layer, that layer is impermeable.


Does water seep into the ground until it reaches a rock layer with no pores?

no because water stops seeping into the ground when the earth is saturated.


What is a layer underground where there are no empty spaces for water or air to fill in?

A layer underground that is impermeable and contains no void spaces for water or air is known as an impermeable layer or aquitard. This layer restricts the flow of water or gases through it due to its low permeability.


Which is the layer underground where there no empty space for water or air to fill in?

Impermeable Rock


What is a layer of rock that does not allow water to flow through called?

An impermeable layer of rock that does not allow water to flow through is called an aquiclude or aquitard. These layers restrict the movement of groundwater, creating a barrier for water flow.


Is a water table just under impermeable rock?

No! It's called artesian if it IS under an impermeable layer, but just surface or ground water without it.


Is the water table just below the layer of impermeable rock?

No, the water table is not necessarily just below the layer of impermeable rock. The water table is the upper surface of the saturated zone where groundwater is found, and its position can vary depending on local geology and hydrology. An impermeable layer, such as clay or solid rock, can restrict the downward movement of water, but the water table can be situated above, below, or at the level of this layer depending on the surrounding conditions.


What is formed when groundwater pools between a permeable layer and an?

When groundwater pools between a permeable layer and an impermeable layer, an aquifer is formed. This confined aquifer can store water under pressure, creating a resource that can be tapped for drinking water and irrigation. The impermeable layer prevents water from escaping, allowing the aquifer to maintain its water levels.


Which is the layer underground where there are no empty spaces for water to air to fill in?

Impermeable Rock