Category: X Factor Notes

Biological and public health emergencies (BPHE) A biological emergency is one caused due to natural outbreaks of epidemics…

Cold wave: A rapid fall in temperature within 24 hours to a level requiring substantially increased protection to…

The IPCC defines heatwave as “a period of abnormally hot weather, often defined with reference to a relative…

Broadly drought is perceived as a sharply felt water deficit caused by variations in the natural hydro-meteorological factors,…

Wave Action: Physical processes and movements associated with the propagation of waves in a fluid medium, such as…

Landslides: Movement of a mass of rock, debris, or earth down a slope under the direct influence of…

Urban Floods: It is caused by the combination of meteorological, hydrological and human factors. Flood peaks from 1.8…

The inundation of land and human settlements by the rise of water in the channels and its spill-over…

A type of geological event near an opening/vent in the Earth’s surface including volcanic eruptions of lava, ash,…