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Why do some fresh water wells start pumping salty water in coastal areas?
In coastal areas, saltwater intrusion can occur when there is excessive pumping of freshwater wells, reducing the pressure of the aquifer and allowing saltwater to seep in from the ocean. This can contaminate the freshwater source and make it more saline. Natural geological processes, such as the movement of underground saltwater, can also contribute to the mixing of freshwater and saltwater in wells located near the coast.
What were wells used for at ancient times?
Wells in ancient times were primarily used as a reliable water source for drinking, irrigation, and domestic use. They also played a crucial role in sustaining communities and enabling agricultural activities in areas where surface water was scarce. Additionally, wells often had symbolic and ritualistic significance in various cultures.
What has the author Martha Wells Lewis written?
Martha Wells Lewis has written: 'Women and food' -- subject(s): Bibliography, Agricultural education, Nutrition
Why are tube wells so important for farmers?
In areas where there is insufficient natural precipitation to produce the crops, tube wells provide an important source of the water necessary to grow the crop to maturity. In the western US, for example, there are many areas which are very productive with a great variety of crops that could not be grown without the addition of irrigation water. In areas without access to a river system to bring water to the fields, wells provide that source of water.
What has the author Bruce D Lindsey written?
Bruce D. Lindsey has written: 'Determining sources of water and contaminants to wells in a carbonate aquifer near Martinsburg, Blair County, Pennsylvania, by use of geochemical indicators, analysis of anthropogenic contaminants, and simulation of ground-water flow' -- subject(s): Computer simulation, Environmental aspects, Environmental aspects of Nitrates, Groundwater, Groundwater flow, Nitrates, Pollution, Wells
What has the author Ralph D Ludwig written?
Ralph D Ludwig has written: 'Agricultural drainage wells' -- subject(s): Drainage, Agricultural pollution, Groundwater, Pollution
Where do virginians get their water?
Urban areas draw water from rivers or lakes. Rural areas get theirs from wells.
What has the author R J G Wells written?
R. J. G. Wells has written: 'The informal rural credit market in Malaysia' -- subject(s): Agricultural credit, Rural credit
A pump is not used to raise groundwater to the surface in areas where artesian wells are located becasue the water in artesian wells is?
under high pressure
How many bore wells are there in karanataka?
As of the latest available data, Karnataka has approximately 1.2 million bore wells. This number can vary due to changes in agricultural practices and groundwater regulations. The state's reliance on bore wells is significant due to its diverse agricultural landscape and varying rainfall patterns. For the most accurate and current statistics, consulting local government resources or recent studies would be advisable.
What is least likely to be a source of groundwater pollution?
is it agricultural runoff households dumping acid rain over pumping of water from wells
What are the problems of over pumping of ground water?
Over pumping of groundwater can lead to a drop in the water table, depletion of aquifers, land subsidence, saltwater intrusion in coastal areas, and drying up of wells. This can have negative impacts on agricultural productivity, drinking water availability, and overall ecosystem health.
