What is meant by the water table?
The water table is an underground boundary between the soil surface and the area where groundwater saturates spaces between sediments and cracks in rock. Water pressure and atmospheric pressure are equal at this boundary. Underneath the water table is the saturated zone, where water fills all spaces between sediments.
What is the purpose of a water table?
Water tables are useful tools for measuring aquifers, saturated areas beneath the water table. Aquifers are used to extract water for people, plants and every organism living on the surface of the Earth. Some water tables are dropping very quickly, as people drain aquifers for industry, agriculture, and private use.
What is water table with examples?
Underground surface below which the ground is wholly saturated with water; spring rains had raised the water table. The level of water that is equally spread across the landscape which may be under of above ground.
Is water table part of the water cycle?
Large amounts of water are stored in the ground. The water is still moving, possibly very slowly, and it is still part of the water cycle. Most of the water in the ground comes from precipitation that infiltrates downward from the land surface. The top of the surface where groundwater occurs is called the water table.
What is water table in one word?
Water table, also called groundwater table, upper level of an underground surface in which the soil or rocks are permanently saturated with water. The water table separates the groundwater zone that lies below it from the capillary fringe, or zone of aeration, that lies above it.
What happens if the water table is too high?
A high water table is a concern for construction, as it can result in groundwater seeping into the house foundation, causing property damage and undermining the structure. Usually sites with a high water table need underground pipes to keep the structure dry.
What is the difference between water table and groundwater?
What is the best water table?
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Where is the water table located?
The water table is a line beneath the surface of the Earth. A water table describes the boundary between water-saturated ground and unsaturated ground. Below the water table, rocks and soil are full of water.
What is discharge in the water cycle?
In hydrology, discharge is the volumetric flow rate of water that is transported through a given cross-sectional area. It includes any suspended solids (e.g. sediment), dissolved chemicals (e.g. CaCO 3 (aq)), or biologic material (e.g. diatoms ) in addition to the water itself.
What is the depth of the water table?
The depth of the water table varies depending on the composition of the land, from zero in swampy areas to more than 25 meters (300 feet) deep. Some water tables intersect with lakes and rivers and are modified by them.