Notes and Study material for Exams
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
Specially designed mock Quiz for Geography for the systematic coverage of PSC Exam prelims syllabus and practice. History Free Mock Quiz has 30 questions. If any issue is observed with answer students may comment below , Geography is the study of the Earth and its people. It is a broad field that encompasses many different … Read more
Applications of Space Technology in India agriculture Information on crop statistics is required for planning and DECISION MAKING purposes, such as, distribution and storage of food grains, Govt. policies, pricing, procurement and Food Security and so on. Ministry of Agriculture and Farmers’ Welfare effectively uses contemporary techniques of satellite remote sensing in such … 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
Earth’s Rotation and Revolution Primarily two motions: Rotation and Revolution. Rotation of Earth Earth rotates along its axis from west to east. It takes approximately 24 hrs to complete on rotation. Days and nights occur due to rotation of the earth. The circle that divides the day from night on the globe is … Read more
INFRASTRUCTURE. Damage to property: The high winds and heavy rains of a cyclone can cause damage to homes, businesses, and other structures. Loss of life: Cyclones can cause loss of life due to drowning, injuries, and other causes. There are a number of things that can be done to prepare for a cyclone, … Read more
Science and economics of Climate change Science of Climate Change The Atmosphere functions as a ‘greenhouse’ and insulates the earth from extremes of temperature. The Greenhouse Effect works in the following manner. Of the incoming short-wave radiation from the sun, one-third is reflected, and the atmosphere, ocean, ice, land, and biota absorb the … Read more
Climatic Elements as factors of crop Growth The climatic factors are abiotic or non-living components of the environmental factors (outside of genetic factors) that affect plant growth and development. They are elements of Climate. There are other abiotic environmental factors, that is, topography and Soil, which are treated in a separate page. Under … Read more