Geography

It involves applying irrigation water which is similar to natural rainfall. Water is distributed through a system of pipes usually by pumping. It is then sprayed into the air through sprinklers so that it breaks up into small water drops which fall to the ground. The pump supply system, sprinklers and operating conditions must be … Read more

The Zoological Survey of India (ZSI), with help from Gujarat’s forest department, is attempting for the first time a process to restore coral reefs using biorock or mineral accretion technology. A biorock structure was installed one nautical mile off the Mithapur coast in the Gulf of Kachchh on January 19. Biorock is the name given … Read more

Difference Between Wildlife Sanctuary And National Park Wildlife sanctuary National Park Human activities are allowed No human activities are allowed Objective is to protect particular flora or fauna Can include flora, fauna or even any object of historical significance. Boundaries are not fixed Boundaries are fixed and are defined. Formed by the executive orders of … Read more

Irrigation should be schedule when the soil temperature is moderate. In hotter season it is better to irrigate the field during the late afternoon or at night so that both soil and plant get sufficient time to absorb water before dry and desiccating weather prevails the next day. During the very cold season water should … Read more

Overconsumption The energy crisis is a result of many different strains on our natural resources, not just one. There is a strain on fossil fuels such as oil, gas and coal due to overconsumption – which then in turn can put a strain on our water and oxygen resources by causing pollution. Overpopulation Another cause … Read more

Coal bed methane: Coal Bed Methane (CBM) is an unconventional form of natural gas found in coal deposits or coal seams. CMB is formed during the process of coalification, the transformation of plant material into coal. It is considered a valuable energy resource with reserves and production having grown nearly every year since 1989. Varied … Read more

Batholiths A large body of magmatic material that cools in the deeper depth of the crust develops in the form of large domes. They appear on the surface only after the denudational processes remove the overlying materials. They cover large areas, and at times, assume depth that may be several km. These are granitic bodies. … Read more

Merits: Most of the canals provide perennial irrigation. This saves the crops from drought conditions and helps in increasing the farm production. Canals carry a lot of sediments brought down by the rivers. The sediments is deposited in the agriculture fields which adds to the fertility. Some of the canals are parts of multipurpose project … Read more

This theory was put forth by Alfred Wegener. The continental drift hypothesis was developed in the early part of the 20th century. According to this theory, e continents were once united into a single supercontinent named Pangaea, meaning all earth in ancient Greek. He suggested that Pangaea broke up long ago and that the continents … Read more

Negatives of Interlinking of rivers: This entails environmental cost. Interlinking would destroy water bodies as each river has unique flora and fauna based on its ecology. Mixing of waters will adversely affect this uniqueness, producing unforeseen consequences. Interlinking will lead to submergence of forest. This will worsen climate change. Forest, which act as carbon sinks … Read more