Question

write about ground water as an important source of water
and make diagram of ground water and table av​

Answer 1

Answer

Groundwater is water that gets collected beneath the surface of the earth. The water seeps through the surface and the mud soaks it. Groundwater is procured by drilling or digging a well or by pumping. However, overpumping of groundwater shouldn’t be done as it affects the salinity of the soil. It reduces the water level and increases the salinity of the soil.

Groundwater is often cheaper, more convenient and less vulnerable to pollution than surface water. Therefore, it is commonly used for public water supplies.

Aquifer

An aquifer is an underground layer of water-bearing permeable rock, rock fractures or unconsolidated materials (gravel, sand, or silt) from which groundwater can be extracted using a water well. It is a porous substrate. When water can flow directly between the surface and the saturated zone of an aquifer, the aquifer is unconfined. The deeper parts of unconfined aquifers are usually more saturated since gravity causes water to flow downward.

Infiltration

Infiltration is a process where the water on the surface seeps into the soil and enters it. The Infiltration rate is a measure of the rate at which soil is able to absorb rainfall or irrigation.

Water Table

The water table is the upper surface of the zone of saturation. The zone of saturation is where the pores and fractures of the ground are saturated with water. Water that collects or flows beneath the Earth’s surface, filling the porous spaces in soil, sediment, and rocks. Groundwater is formed due to rain and melting of snow, it is also a source of water for aquifers, springs, and wells.

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Answer 2

Answer:

Groundwater, which is in aquifers below the surface of the Earth, is one of the Nation's most important natural resources. Groundwater is the source of about 33 percent of the water that county and city water departments supply to households and businesses (public supply). ... The other 77 percent came from surface water.

In addition to topography, water tables are influenced by many factors, including geology, weather, ground cover, and land use. Geology is often responsible for how much water filters below the zone of saturation, making the water table easy to measure. Light, porous rocks can hold more water than heavy, dense rocks.

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.

There are two main sources of water: surface water and groundwater. Surface Water is found in lakes, rivers, and reservoirs. Groundwater lies under the surface of the land, where it travels through and fills openings in the rocks. The rocks that store and transmit groundwater are called aquifers.

Explanation:

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