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| Yeahhhh, porosity and permeability are different things.
Permeability
Permeability is another intrinsic property of all materials and is closely related to porosity. Permeability refers to how connected pore spaces are to one another. If the material has high permeability than pore spaces are connected to one another allowing water to flow from one to another, however, if there is low permeability then the pore spaces are isolated and water is trapped within them. For example, in a gravel all of the pores well connected one another allowing water to flow through it, however, in a clay most of the pore spaces are blocked, meaning water cannot flow through it easily.
See figure 3.
https://courses.lumenlearning.com/geo/chapter/reading-porosity-and-p... | |
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pore space?
