What are the different types of aquifers?

Aquifers are underground layers of permeable rocks or sediments that hold and transmit water. There are several types of aquifers, each with unique characteristics that influence the movement and availability of water. Unconfined aquifers are not bounded by impermeable layers and are typically recharged by rainfall. Confined aquifers are surrounded by impermeable layers, which restrict the flow of water and often lead to high-pressure conditions. Fractured rock aquifers occur in fractured or fissured rocks, allowing water to move through the cracks. Karst aquifers form in soluble rock, such as limestone, and feature complex underground drainage systems. Lastly, artesian aquifers are confined aquifers where the water is under enough pressure to rise in a well without pumping. Understanding the different types of aquifers is crucial for managing and utilizing groundwater resources effectively.

This mind map was published on 27 November 2023 and has been viewed 133 times.