Describe how particles affect the porosity of an aquifer.?

Particles in an aquifer, such as sand, silt, and clay, significantly influence its porosity by determining the amount and size of the spaces between them. Larger particles, like coarse sand or gravel, typically create larger voids, leading to higher porosity and enhanced water flow. In contrast, smaller particles, such as clay, fill these voids and reduce overall porosity. Thus, the composition and arrangement of particles are crucial in defining an aquifer's ability to store and transmit groundwater.