Land Resources Management (1)

 Land Resources Management Land and water have been the basic elements of life support system on our planet since the dawn of civilization. All great civilizations, flourished where these resources were available in plenty and they declined or perished with the depletion of these resources. In recent years, the land resource has been … Read more Land Resources Management (1)

Salinity Of Oceans

 Salinity of oceans Salinity is defined as the ratio between the weight of the dissolved materials and the weight of the sample sea water. Generally, salinity is defined as ‘the total amount of solid material in grams contained in one kilogram of sea water and is expressed as part per thousand (%o) e.g., … Read more Salinity Of Oceans

Marine Resources

 Marine Resources – Economic significance and EEZ Economic significance of marine resources Marine energy Marine energy or marine power (also sometimes referred to as ocean energy, ocean power, or marine and hydrokinetic energy) refers to the energy carried by ocean waves, tides, salinity, and ocean temperature differences. The movement of water in the … Read more Marine Resources

Pressure And Wind Belt1

 Pressure and wind belts Atmospheric pressure, also called barometric pressure, force per unit area exerted by an atmospheric column (that is, the entire body of air above the specified area). Atmospheric pressure can be measured with a mercury barometer (hence the commonly used synonym barometric pressure), which indicates the height of a column … Read more Pressure And Wind Belt1

Cyclones

 Cyclones: Types and Mechanism Cyclone is a system of low atmospheric pressure in which the barometric gradient is steep. Cyclones represent circular fluid motion rotating in the same direction as the Earth. This means that the inward spiralling winds in a cyclone rotate anticlockwise in the Northern Hemisphere and clockwise in the Southern … Read more Cyclones

Population Growth And Economic Development

 Population growth and economic development The effect of population growth on a society’s per capita output level depends on the pattern of population growth as also its institutional (organ­isational) framework. In other words, it depends on the age composition of the population. The pattern of spending reflects the age distribution. An ageing population—one … Read more Population Growth And Economic Development

Distribution Of Major Natural Resources Of World

 Distribution of major natural resources of World-Water, Soils,  Forests in reference to South and South-East Asia     Distribution of key natural resources across the world (including South Asia and the Indian subcontinent) Natural resources are highly valued because human beings are dependent on them to fulfil their fundamental needs that changes with … Read more Distribution Of Major Natural Resources Of World

Census Of India

 Census of India : Economic and Social features Rural and urban population Altogether, 833.5 million persons live in rural area as per Census 2011, which was more than two-third of the total population, while 377.1 million persons live in urban areas. Urban proportion has gone up from 17.3 per cent in 1951 to … Read more Census Of India

Oceanic Resources Of India And Their Potential

 Oceanic resources of India and their potential Oceans are the world’s single largest ecosystem, covering nearly three-fourths of the earth’s surface, thereby providing a massive arena for emerging complex and interconnected development issues such as climate change, livelihoods, commerce, and security. According to estimates by the Global Ocean Commission, ocean resources contribute five … Read more Oceanic Resources Of India And Their Potential