impact of human activities on weather and climate
TRANSCRIPT
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NCSC- (NATIONAL CHILDREN SCIENCE CONGRESS)
2015-2016
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WHAT DO YOU MEAN BY TERM WEATHER?
• Weather is the day-to-day conditions of a particular place.For example: It was raining today at school. Yesterday it was sunny at home . Weather is the state of the atmosphere , to the degree that it is hot or cold ,wet or dry, calm or stormy, clear or cloudy . Weather, seen from an anthropological perspective, is something all humans in the world constantly experience through their senses. at least while being outside . Weather is a day-to-day condition for a particular place.
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Different conditions of climate.
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WHAT DO YOU MEAN BY TERM climate?
• Climate is the average weather in a place over many years. While the weather can change in just a few hours, climate takes hundreds, thousands, even millions of years to change.
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This graph showshow temperature usually changes over a year for a particular place on
Earth.
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Difference between weather and climate
WEATHERWeather is the condition that occured very recently .The current temperature , dew point , relative humidity , cloud cover and precipitation are e.g. of weather . It is current atmospheric conditions , All of these factors make up what we think of weather.
CLIMATEClimate describes the typical weather of
a location . For a good climate data of a location set at least 30 years of data .
Climate also includes what type of weather extremes that can be expected from a
location normal high or low temperature.
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GLOBAL WARMING
• Global Warming is the increase of Earth's average surface temperature due to effect of greenhouse gases, such as carbon dioxide emissions from burning fossil fuels or from deforestation, which trap heat that would otherwise escape from Earth. This is a type of greenhouse effect.
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GLOBAL WARMING
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GREEN HOUSE EFECT
• The greenhouse effect is the process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be in the absence of its atmosphere.[1][2] If a planet's atmosphere contains radiatively active gases (i.e., greenhouse gases) the atmosphere radiates energy in all directions. Part of this radiation is directed towards the surface, warming it.
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GREEN HOUSE EFECT
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GREEN HOUSE EFECT
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Difference between weather and climate
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1.1 Technology
• The purposeful application of information in the design, production, and utilization of goods and services, and in the organization of human activities.
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Agriculture • The practices of farming or raising livestock
such as cattle. Farmers and ranchers are in the agriculture business.
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Fishing
• Fishing is the activity of trying to catch fish. Fishing sometimes takes place in the wild. Techniques for catching fish includehandgathering, spearing, netting, angling and trapping.
• The term fishing may be applied to catching other aquatic animals such as molluscs, cephalopods, crustaceans, andechinoderms.
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Fishing
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