Tropical and temperate cyclones

    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 cyclones. They fall into the following two broad categories: (a) Extra-tropical or Temperate and (b) tropical cyclones. (a) Temperate Cyclones Temperate cyclones are formed along a front … Read more

Broad Physical features

  Geomorphology Earth’s Interior – Earthquake Waves – Shadow Zone Most of the knowledge we have about Earth’s deep interior comes from the fact that seismic waves penetrate the Earth and are recorded on the other side.  Earthquake ray paths and arrival times are more complex than illustrated in the animations, because velocity in the … Read more

 Geomorphic processes; Weathering, mass wasting, erosion and deposition,soil formation,Landscape cycles, ideas of Davis and Penck

  Table of content Weathering Mass Wasting Erosion and Deposition Soil Formation Landscape (Geological) Cycles Davis Cycle Penck Cycle Weathering   Weathering is the general term applied to the combined action of all processes that cause rock to disintegrate physically and decompose chemically because of ex- posure near the Earth’s surface through the elements of … Read more

ECOLOGY

    Ecology is  defined “as a scientific study of the relationship of the living organisms with each other and with their environment.” The classical texts of the Vedic period such as the Vedas, the Samhitas, the Brahmanas and the Aranyakas-Upanishads contain many references to ecological concepts .The Indian treatise on medicine, the Caraka- Samhita … Read more

 Global warming

  An increase in the average temperature of Earth’s near surface air and oceans since the mid-20th century 4th assessment report of IPCC: global temperature increased 74+0.18 degree C during the 20th century. Caused by greenhouse gases Water vapour, Co2, Methane, Nitrous Oxide, Ozone, CFCs (in order of abundance) Since the industrial revolution, the burning of fossil fuels has increased … Read more

Decision-Making: concept, process and techniques

  Decision making is an essential part of planning. Decision making and problem solving are used in all management functions, although usually they are considered a part of the planning phase. A discussion of the origins of management science leads into one on modeling, the five-step process of management science, and the process of engineering … Read more

MARKETING MANAGEMENT

  Marketing Management is a social and managerial process by which individuals or firms obtain what they need or want through creating, offering, exchanging products of value with each others.   CORE CONCEPTS OF MARKETING   NEED/ WANT/ DEMAND:   Need: It is state of deprivation of some basic satisfaction.   Want: Desire for specific … Read more

MARKETING MIX  

  Marketing involves a number of activities. To begin with, an organisation may decide on its target group of customers to be served. Once the target group is decided, the product is to be placed in the market by providing the appropriate product, price, distribution and promotional efforts. These are to be combined or mixed … Read more