El Nino

 El Nino El Niño is the name given to the occasional development of warm ocean surface waters along the coast of Ecuador and Peru. When this warming occurs the usual upwelling of cold, nutrient rich deep ocean water is significantly reduced. El Niño normally occurs around Christmas and usually lasts for a few weeks to a few … Read more

Water Resources

 Water Resources  Rainfall: With an average annual rainfall of 1,170 mm, India is one of the wettest countries in the world. At one extreme are areas like Cherrapunji, in the northeast, which is drenched each year with 11,000 mm of rainfall, and at the other extreme are places like Jaisalmer, in the west, … Read more

Oceans And Continents

 Introduction to Continents and Ocean Basins Continents and ocean basins being fundamental relief features of the globe are considered as ‘relief features of the first order’. It is, therefore, desirable to inquire into their mode of possible origin and evolu­tion. Different views, concepts, hypotheses and theo­ries regarding the origin of the continents and … Read more

Conventional And Non Conventional Sources Of Energy

 Conventional and Non Conventional Sources of Energy Main Sources of Energy: The sources of energy are of following types: 1. Conventional Sources of Energy: These sources of energy are also called non renewable sources. These sources of energy are in limited quantity except hydro-electric power.  (a) Coal and … Read more

Horticulture

  Horticulture : The agrarian state of Andhra Pradesh is heading towards a value addition platform from the conventional production approach. ‘Horticulture’ sector has been recognized as an essential component for food and nutritional security in the State. Efforts are being made to make Andhra Pradesh maintain its supremacy in the production of Oilpalm, Papaya, … Read more

Distribution Of Natural Resources

 Distribution of natural resources World Distribution of forest reserves Forests cover 31 percent of the world’s land surface, just over 4 billion hectares. (One hectare = 2.47 acres.) This is down from the pre-industrial area of 5.9 billion hectares. According to data from the U.N. Food and Agriculture Organization, deforestation was at its … Read more

Disaster Profile Of The Country

 Disaster profile of the country Disasters are sudden and intense events which result in considerable destruction, injuries & deaths, disrupting normal life as well as the process of development. Increasing population and various other socio-economic factors have forced people to live in vulnerable areas. Disasters are perceived to be on the increase in … Read more

Migration And Metropolitan Regions

 Migration and Metropolitan Region Migration Migration has been defined as crossing of the boundary of a political or administrative unit for a certain minimum period of time. It includes the movements of refugees, displaced persons, uprooted people as well as economic migrants. Internal migration refers to a move from one area (a province, … Read more

Landform

 Landform Each landform has its unique physical shape, size, materials and is a result of the action of certain geomorphic processes and agent(s). Every landform has a beginning. Landforms once formed may change in their shape, size and nature slowly or fast due to continued action of geomorphic processes and agents. Due to … Read more