Geography

Ocean current are nothing but movement of volume of water in defined direction and    with an identifiable speed. These current regulate the temperature and salinity of ocean currents and also get regulated by them. Factors responsible for ocean currents: Earth rotation from west to east . It leads to North equatorial current and south equatorial … Read more

Apart from incessant rainfall during the monsoon, there are many contributory factors, natural and man-made. At the crux is the very nature of the river Brahmaputra —dynamic and unstable. Its 580,000 sq km basin spreads over four countries: China, India, Bangladesh and Bhutan, with diverse environments. The Brahmaputra features among the world’s top five rivers … Read more

. Natural vegetation refers to a plant community that has been left undisturbed over a long time, so as to allow its individual species to adjust themselves to climate and soil conditions as fully as possible. Tropical evergreen forests  are found in the western slope of the Western Ghats, hills of the northeastern region and … Read more

Droughts and floods are the two accompanying features of Indian climate. According to some estimates, nearly 19 per cent of the total geographical area of the country and 12 percent of its total population suffer due to drought every year. About 30 percent of the country’s total area is identified as drought prone. Extreme Drought … Read more

Flood is a natural disaster which can never be avoided, India being one of the worst flood hit tropical country in the world which causes huge economic and emotional losses. We cannot afford to ignore flood but we can manage it. Around 12% of the total area i.e. 40 million hectare is prone to flood. … Read more

Sand miningis a practice that is used to extract sand, from various environments, such as beaches, inland dunes and dredged from ocean beds, and river beds of deltaic regions. The mining is in operation in all the continents of the Globe. Environmental problems occur when the rate of extraction of sand, gravel and other materials … Read more

urban flood is a common phenomenon. These flood occur in a very short span of time and drench city with several feet’s of water. The example of urban floods can be seen in Gurugram, Mumbai etc. Reasons for urban floods: Destruction of wetland- wetland act as natural aquifers. Their destruction led to reduction in moisture … Read more

Endogenic forces are the internal forces which are responsible for the formation of newundulations on the surface of the earth. Since they create new landforms they are also knownas the Forces of Construction.They are the result of the convectional currents formed in the mantle. The source of this heatis the primordial heat of the interior … Read more

Climate change is inevitable. The best strategy to deal with climate change is adoption of practices to make our farming more resilient. ICAR has launched a network of project called NICRA. It stands for National innovation on climate resilient agriculture. The salient features of NICRA are as follows:   It takes into account the critical … Read more

The plains are often termed as the ‘Granary of India’. The soils of the plains are one ofthe most fertile soils of India. They are being devoted to cereal and non – cereal crops. They have rich underground water table. The underground water is utilized with thehelp of wells and tube wells for irrigation, industrial … Read more