Streams and Floods
Primary objective of this lecture is to present on Streams and Floods. Stream is a body of running water that is confined in a channel and moves…
Geography
Lecture on Weather Forecasting
Prime purpose of this lecture is to present on Weather Forecasting. Weather predictions are based on information about air masses, fronts, and associated pressure systems in an…
Avalanches and Transportation
This lecture focus to describe on Avalanches and Transportation. Avalanches and transportation includes: highways and railways; control and reduction; high cost of link closure and potential for disaster. There are several…
Lecture on Snow Avalanches
Avalanches are falling mass of snow and/or ice; a mass-wasting process and analogous to debris flows or mudslides. It is a natural hazard – threat to life and…
Presentation on Earthquake Safety
For earthquake safety your emergency supplies should include enough non perishable food for the whole family to last several days. Stay away from windows, bookcases, file…
Lecture on Earthquakes
Earthquakes means shaking or trembling caused by the sudden release of energy. Usually associated with faulting or breaking of rocks. Continuing adjustment of position results in aftershocks. Here…
Lecture on Tornados
Main objective of this lecture is to present on Tornados. Tornados are Violently rotating column of air (Vortex) extending from a thunderstorm to the ground. Tornadoes are the most…
Presentation on Hurricanes
Hurricanes are the planet’s most ferocious storms. They are known as cyclones in Australia and typhoons in southeast Asia. They bring massive waves and wind…
Presentation on Flash Floods
A flash flood is a rapid flooding of geomorphic low-lying areas: washes, rivers, dry lakes and basins. Flash floods kill more people than Hurricanes. Water moving at 4 miles per hour exerts a force of about…
Causes of Floods
This lecture introduce on Causes of Floods. Flooding occurs most commonly from heavy rainfall when natural watercourses do not have the capacity to convey excess water. Natural Causes: Excessive rains…
Lightning Protection
Lightning can strike ground up to ten miles from a storm (Lightning out of the blue). There is an average of 2-3 miles between strikes. main…
Lightning Works Method
Major purpose of this lecture is to present on Lightning Works Method. Lightning transfers electrons from the atmosphere to Earth. Electrons build up in clouds because wind causes…
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