Water crisis and Water stress The concept of water stress is relatively simple: Irrigation methods such as furrow and overhead sprinkler irrigation are usually less expensive but are also typically less efficient, because much of the water evaporates, runs off or drains below the root zone.
The Ganga Basin is the largest river basin in India, receiving water from an area which comprises about one-quarter of the total area of the country. Any system that is improperly managed can be wasteful, all methods have the potential for high efficiencies under suitable conditions, appropriate irrigation timing and management.
When agricultural products are affected, it causes want of food and industries dependent on agriculture also hamper in production. Water is essential for agriculture.
Water is also essential for irrigation, generation of hydro-electricity, navigation and industries. Sometimes it is useful to make a distinction between groundwater that is closely associated with surface water and deep groundwater in an aquifer sometimes called " fossil water ".
If you need a custom essay or research paper on this topic please use our writing services. Moreover the distribution of rainfall over a Essay water resources is very uneven. This is due to old hard and impervious rocks which constitute this part of India.
Hydroelectric power plants generally require the creation Essay water resources a large artificial lake. Agriculture depends on rain. Water has become a highly precious resource. As population and development increase, raising water demand, the possibility of problems inside a certain country or region increases, as it happens with others outside the region.
However, the fresh water constitutes a very small proportion of this enormous quantity. All of these factors also affect the proportions of water loss. So floods occur in the heavy rain-fall areas whereas drought breaks out in the rainless areas. To supply such a farm with water, a surface water system may require a large storage capacity to collect water throughout the year and release it in a short period of time.
Water and conflicts Main article: Rapid urbanization The trend towards urbanization is accelerating. Recreation Whitewater rapids Sustainable management of water resources including provision of safe and reliable supplies for drinking water and irrigation, adequate sanitation, protection of aquatic ecosystems, and flood protection poses enormous challenges in many parts of the world.
Most of this pure water is generated on site, either from natural freshwater or from municipal grey water. Many pollutants threaten water supplies, but the most widespread, especially in developing countries, is the discharge of raw sewage into natural waters; this method of sewage disposal is the most common method in underdeveloped countries, but also is prevalent in quasi-developed countries such as China, India, Nepal and Iran.
The Himalayas, which are often called "The Roof of the World", contain some of the most extensive and rough high altitude areas on Earth as well as the greatest area of glaciers and permafrost outside of the poles.
If a reservoir is kept fuller than it would otherwise be for recreation, then the water retained could be categorized as recreational usage. Heat from the sun evaporates water, which condenses as rain in higher altitudes and flows downhill. Two others, although small yet important from the agricultural point of view are those of Tawi in the North and the Panner in the South.
From the enactment of the Clean Water Act in to the yearestimates from the U. Water Resources Demand The demand for water continues to grow along with the population: Due to this, many aquifers have dried up and the level of groundwater has fallen. But the refuses and polluted water of the towns and industries situated on the banks of this river mingle with the pure water of the Ganga.
Climate change Climate change could have significant impacts on water resources around the world because of the close connections between the climate and hydrological cycle. At that time, there were fewer than half the current number of people on the planet.
Discharge of untreated water from industrial uses is pollution. This suggests growing conflicts with agricultural water users, who currently consume the majority of the water used by humans. There is acute scarcity of water in some are as in summer. For instance, drinking water providers must constantly upgrade their plants with new technologies to remove a growing list of water contaminants regulated by the Safe Drinking Water Act.
Rapid Urbanization has led to the requirement of more water to individuals and to process the concentrations of wastewater generated in the urban areas.
Even one-third of this potential water resource has not yet been developed. Human activities can have a large and sometimes devastating impact on these factors.The Water resources is one of the most popular assignments among students' documents.
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- Water is among one of the worlds’ most valuable resources, and although roughly 70% of the earths’ surface is made up of water, only 1% percent of that can be used for human consumption, another 2% is water in glacier ice and the next 97% is salt water that we cannot consume unless it has undergone an expensive process, desalination.
Key words: water resources, water availability, sustainable water management, conservation of water. Introduction: Water a miracle of nature, wonderful creation in this world that posses divine power to make all the living beings survive. Feb 11, · WATER RESOURCES Water is an essential element to our everyday existence.
Its role is vital in the sustenance of all life forms, as well as in agricultural, industrial, households, recreational and environmental activities. Free sample essay on water resources of India for kids, school and college students.
Water is an inexhaustible and valuable natural resource. The existence of the plant and animal kingdoms depends on water.
Water Essay 12/6/13 Water Simply put, water is the main component for life anywhere in the universe, without it any form of life would cease to exist. It’s such a simple resource, just two parts hydrogen and one part oxygen.Download