Geography

Dams and flood control The efficiency of dams to withhold floods has always been put to question. Critics have also termed dams as harbinger of floods claiming that the essential scientific assessment for consistent release of water to avoid build up is rarely done. Absence of a standard operating procedure for releasing water from the … Read more

A plain is a broad area of relatively flat land and is one of the major landforms on the earth surface. There are various types of Plains which are discussed as: Structural plains: relatively undisturbed horizontal surfaces of the earth. They are structurally depressed areas of the world that make up some of the most extensive … Read more

Pygmy, in anthropology, member of any human group whose adult males grow to less than 59 inches (150 cm) in average height. A member of a slightly taller group is termed pygmoid.  The best-known Pygmy groups and those to whom the term is most commonly applied are the Pygmies of tropical Africa; elsewhere in Africa … Read more

Climate is the average weather conditions of large area. According to the koeppen system of classification , the world is divided into five climatic groups and 13 climatic types based on the temperature, precipitation and vegetation. The notable characteristics of Monsoon type of climate are as follows: The climate is divided into distinct 4 seasons. … Read more

India is the second populous country after china. India has 17.74% of the total world population. The main reason for the high population growth is the high fertility rate which is presently 2.5. It means an Indian women in her reproductive span produces 2.5 offspring on an average. The reasons for high fertility rate are … Read more

. Weathering processes are responsible for breaking down the rocks into smaller fragments and preparing the way for formation of not only regolith and soils, but also erosion and mass movements. Biomes and biodiversity is basically a result of forests (vegetation) and forests depend upon the depth of weathering mantles. Erosion cannot be significant if … Read more

The jute industries are majorly located in eastern region of the country. About 25% of the workforce are enrolled in the jute industry. 80% of the industries are in West Bengal only. The reasons for the high concentration of Jute Industries are as follows: Soil: The alluvial conditions of Eastern Bengal offer ideal environment for … Read more

When corals are stressed by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae living in their tissues, causing them to turn completely white. Warmer water temperatures can result in coral bleaching. When water is too warm, corals will expel the algae (zooxanthellae) living in their tissues causing the coral to turn completely … Read more

Excessive rainfall in river catchments or concentration of runoff from the tributaries and river carrying flows in excess of their capacities. Backing water in tributaries at their confluence with the main river. Synchronization of flood peaks in the main rivers or their tributaries. Intense rainfall when river is flowing full. Poor natural drainage system. Landslides … Read more

The parent material for most of the black soil are the volcanic rocks that were formed in the Deccan Plateau (Deccan and the Rajmahal trap).In Tamil Nadu, gneisses and schists form the parent material. The former are sufficiently deep while the later are generally shallow.These are the region of high temperature and low rainfall. It … Read more