Landform

 Each landform has its unique physical shape, size, materials and is a result of the action of certain geomorphic processes and agent(s). Every landform has a beginning. s once formed may change in their shape, size and nature slowly or fast due to continued action of geomorphic processes and agents. Due to changes in … Read more

Disaster Management Models

 . Roles and responsibilities of stakeholders including community, Concept of first responders Disaster management (DM) is a challenging domain to model because of the variety of dynamic characteristics attached to the domain. Metamodeling is a model-driven approach that describes how semantic domain models can be built into an artifact called a Metamodel. By collecting … Read more

Earthquakes And Volcanoes

 : Types, distribution and their impact:- Earthquake:- The study of seismic waves provides a complete picture of the layered interior. An earthquake in simple words is shaking of the earth. It is a natural event. It is caused due to release of energy, which generates waves that travel in all directions. Why does the … Read more

Hydrological Cycle

 Water cycle, also called hydrologic cycle, cycle that involves the continuous circulation of water in the Earth-atmosphere system. Of the many processes involved in the water cycle, the most important are evaporation, transpiration, condensation, precipitation, and runoff. Although the total amount of water within the cycle remains essentially constant, its distribution among the various … Read more

Disaster Profile Of The Country

 Disasters are sudden and intense events which result in considerable destruction, injuries & deaths, disrupting normal life as well as the process of development. Increasing population and various other socio-economic factors have forced people to live in vulnerable areas. Disasters are perceived to be on the increase in terms of their magnitude, frequency, and … Read more

Humidity And Precipitation

 Atmospheric humidity, which is the amount of water vapour or moisture in the air, is another leading climatic element, as is precipitation. All forms of precipitation, including drizzle, rain, snow, ice crystals, and hail, are produced as a result of the condensation of atmospheric moisture that forms clouds in which some of the particles, … Read more

Pressure And Wind Belt

 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 of … Read more

Earth And Its Geological Time Scale

 :-   Origin of the Earth:- EARLY THEORIES:- A large number of hypotheses were put forth by different philosophers and scientists regarding the origin of the earth. One of the earlier and popular arguments was by German philosopher Immanuel Kant. Mathematician Laplace revised it in 1796. It is known as Nebular Hypothesis. The hypothesis … Read more

Oceans

 – Bottom Relief Four major divisions can easily be identified on the ocean floor: The continental shelf, the continental slope, the continental rise, the abyssal plain. Besides these, there are many associated features—ridges, hills, seamounts, guyots, trenches, canyons, sleeps, fracture zones, island arcs, atolls, coral reefs, submerged volcanoes and sea-scarps. This great variety of … Read more