So floods occur in the heavy rain-fall areas whereas drought breaks out in the rainless areas. Sometimes the summer monsoons break late and close earlier, and in some years break earlier and close earlier too. Again at times it doesn't rain in the growing period of crops in the months of July and August. Sometimes late monsoons also damage crops; therefore, this monsoon rainfall is very uncertain.
As a result of such irregular, unequal and uncertain monsoon rainfall, natural calamities like flood and drought have their devastating effects in our country. About 70 per cent of our people depend on agriculture. Agriculture depends on rain. When agricultural products are affected, it causes want of food and industries dependent on agriculture also hamper in production.
Satisfactory agricultural products help in the growth and prosperity of the country. But flood and drought cause problems in country's prosperity.
Flood is an annual problem in some areas of our country. India is worst affected by floods amongst all the tropical countries. Houses are washed off, domestic animals and human beings meet their death and crops are severely damaged by floods. Besides, railway tracks and roads are washed away and agricultural lands are covered with sand. Moreover, people suffer from various diseases by drinking polluted water and owing to unhealthy and damp environment. Devastating floods are caused owing to the following reasons.
Pollution in water consists of a wide variety of chemicals, pathogens and altering the physical chemistry of water. Exposure to oil pollutants can alter the ecology of aquatic habitats and the physiology of aquatic organisms. Water resources is also affected by Stalinization resulting from discharge of saline agricultural and mining drainage water to river systems and the increased rate of natural discharge of saline groundwater to surface water resources in irrigated and non irrigated areas.
Major rivers which were fresh before have become saline and unusable for human and livestock consumption and other uses. Besides this, climatic change has resulted in shrinking of the glaciers and decreased rainfall, which are significant sources of water. For example, Europe is becoming drier due to shrinking of the Alpine Glaciers Nonliving and living factors that contribute to or are affected: Human beings are the chief contributors to the water resource problem in the world.
Non living factors that cause water pollution can be due to industrial wastes such as heavy metals, resin pellets, organic toxins, oils, nutrients, discharges from power stations and silt bearing runoff from agriculture, deforestation and construction sites. Other non living factors that contribute to the problem are untreated sewage causing solid and organic wastes which usually goes to the rivers, without proper treatment.
This causes organic and water pollution which affects the quality of water. River pollution can potentially affect other human communities who rely on the river for various purposes. Climatic changes resulting in shrinking of glaciers has affected the amount of rainfall and thereby reducing the fresh water resources.
Living factors that contribute to the problem are increase in plant growth and decay in waters. Increased water pollution causes. Water Resources Water is life. We are told that water crisis has touched millions people across several states. Arsenic contaminated water made the problem more grave.
During the monsoon, many areas of India are flooded, causing widespread damage to life and property and this enormous quantity of water is allowed to flow down into the sea. If the rain water is harvested and preserved in tanks and reservoir regularly, it may help us to tide over the water crisis. In urban areas, water harvesting should be mandatory. Fortunately, in some states, arrangements are afoot to harvest every-drop of rainwater.
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The Water resources is one of the most popular assignments among students' documents. If you are stuck with writing or missing ideas, scroll down and find inspiration in the best samples. Water resources is quite a rare and popular topic for writing an essay, but it certainly is in our database. Watershed resources play a significant role in the development of a country depending on the location of a watershed; we can get water for domestic, agriculture and industrial uses. It is for this purpose, proper evolution and management of water resources acquires significant importance.
Water is one of the most precious resources the earth provides to mankind. Its use in modern age is manifold. We drink water to satisfy our thirst. We use it for domestic needs, irrigation, industrial use, transportation, power production and waste disposal. Water is universal solvent. Thanks to our nature; it is very rich in water. Water Resources. Water is life. Water resources are water that is used for domestic, agricultural and industrial purposes. For all these activities fresh water is required. Out of the total water in the world, only % of the water is fresh water. Most of the fresh water is frozen in glaciers and Polar ice caps.1/5(1).