EARTH SCIENCE
GROUNDWATER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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one that has low porosity
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one that has high porosity
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one that has low permeability
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one that has high permeability
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Detailed explanation-1: -Clay soil retains more water because of the presence of small and fine particles.
Detailed explanation-2: -Generally speaking, clay-rich soils have the largest pore space, hence the greatest total water holding capacity.
Detailed explanation-3: -Clay is the most porous sediment but is the least permeable. Clay usually acts as an aquitard, impeding the flow of water. Gravel and sand are both porous and permeable, making them good aquifer materials. Gravel has the highest permeability.
Detailed explanation-4: -Clayey soil contains small sized particles, sandy contains large particles while loamy is the mixture of both small and large particles in equal proportions. Thus, the water holding capacity is highest in the clayey soil.