Notes and Study material for Exams
Karnataka witnesses three types of Climate. The state has a dynamic and erratic weather that changes from place to place within its territory. Due to its varying geographic and physio-graphic conditions, Karnataka experiences climatic variations that range from arid to semi-arid in the plateau region, sub-humid to humid tropical in the Western Ghats and humid tropical monsoon in … Read more
The history of disasters in Karnataka reveals that a series of various types of disasters that have struck the State over the years with devastating effects. Years 2005 and 2006 have seen devastating floods in the Districts of Gulbarga, Belgaum, Bijapur, Bidar, Bagalkot, Raichur etc., as a result of outflow of excess water from … Read more
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, which receives … Read more
Madhya Pradesh Food Security Historical View on Food Security India‟s Public Distribution System (PDS) is the largest distribution Network of its kind in the world. PDS was introduced around World War II as a war-time rationing measure. Before the 1960s, distribution through PDS was generally dependant on imports of food grains. It was expanded in … Read more
Water supply and sanitation Issues related to water supply in India Variability in water availability India faces large temporal variability in water availability, leading to, among other issues, disasters such as floods and droughts. Due to monsoon Climate in India, more than 70% of the annual Precipitation takes place in a limited period of about … Read more
Flood and Drought Occurrence Drought Drought is a complex, slow-onset phenomenon of ecological challenge that affects people more than any other natural hazards by causing serious economic, social and environmental losses in both developing and developed countries. The period of unusual dryness (i.e. drought) is a normal feature of the Climate and weather … Read more
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 months. Sometimes … Read more
The atmospheric disturbances which involve a closed circulation about a low pressure centre, anticlockwise in the northern Atmosphere and clockwise in the southern hemisphere are called Evaporation and Condensation: dew, frost, fog, mist and cloud, rainfall types Evaporation Evaporation is the process of which water changes from its liquid state to gaseous form. This … Read more
INFRASTRUCTURE Limited facilities for grading, sorting & packaging Inappropriate transport facilities for erishables Poor Mandi infrastructure Lack of net work of rural/ local markets Lac of perishable cargo centre Fluctuations in area & prod. due to frequent drought conditions, Its need of the hour to bring stability through Rain Water Harvesting based fruit plantations having … Read more
The Greenhouse Effect The greenhouse effect is a natural phenomenon that insulates the Earth . Incoming solar radiations are absorbed and reemitted back from the Earth’s surface as infrared energy, greenhouse gases (GHGs) in the Atmosphere prevent some of this heat from escaping into space, instead reflecting the energy back to further warm the surface. Human … Read more