This is called the porosity of a deposit. Permeability depends on the size of the spaces between the sediment grains. Aquifer definition: In geology , an aquifer is an area of rock underneath the surface of the earth which... | Meaning, pronunciation, translations and examples A confined aquifer is an aquifer below the land surface that is saturated with water. Aquifer recharge is the process by which rainwater seeps down through the soil into an underlying aquifer. In some areas the aquifers are huge, covering tens or even hundreds of miles. Some aquifers span several hundred square miles, yet each requires several key elements if it is to be useable by humans. What is an Aquifer? Actually, an aquifer is a body of rock or sediment that is completely saturated – water is in it and all around it. Activity 1 . An aquifer is a body of geologic material that can supply useful quantities of ground water to natural springs and water wells. One of the words she made us learn was "aquifer". These aquifers also form at a faster rate than confined aquifers. Aquifer definition is - a water-bearing stratum of permeable rock, sand, or gravel. Permeability refers to the ability of a surficial deposit to transmit water. Forums pour discuter de aquifer, voir ses formes composées, des exemples et poser vos questions. An aquifer is the area underground where spaces between gravel, sand, clay, or rock fill with water. A karst aquifer, on the other hand, stores water in fractures, conduits, and cavities (Fig. What is an aquifer?? Biology, 22.06.2019 02:40. An aquifer is a saturated underground rock layer with enough available water that can be pumped out or flow from the ground as a spring. b they can travel farther. Aquifer: An aquifer is a layer of permeable rock or rock material underground that holds enough fresh water to be of interest to humans. This porous space is filled mostly with air above the water table and is filled with water below the water table. Answers: 3. An unconfined aquifer is defined as a body of water formed from groundwater, rain water runoff and streams with its water table, or the upper surface, open to the atmosphere.They can be problematic as they fluctuate under atmospheric pressure. An aquifer is an underground rock formation which is saturated with water. Those closer to the surface are more likely to be used for water supply and irrigation, as well as more likely to be topped off by local rainfall. Neighbors, Here is what happened last night: we were joined by neighbors, guest experts, and a surprise group of eager Webelos for an important aquifer discussion. Answer: 2 question What is an aquifer? Source/Author: David McConnell, Jennifer Wiggen Subject: Characteristics of aquifers Description: This video describes the basic characteristics of two types of aquifers and identifies four types of geological units that make up many of the aquifers in the US. 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