gases which are very energetic‚ but would not affect a thermometer. The temperatures in this region may be as high as thousands of degrees. Earths atmosphere consists of the following layers: -The Troposphere -The Stratosphere -The Mesosphere -The Thermosphere -The Exosphere -The Ionosphere -The Troposphere is the lowest layer of the atmosphere and is about 7 miles thick. Most clouds and weather we have are found in this layer. The atmosphere is thicker at the equator‚ and thinner at the poles. The
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Atmosphere The atmosphere is the body of air which surrounds our planet. Most of our atmosphere is located close to the earth’s surface where it is most dense. The air of our planet is 78% nitrogen and just under 21% oxygen; the small amount remaining is composed of carbon dioxide and other gasses.It is a mixture of gases encircling the Earth and held by the Earth’s gravity. This invisible mixture of nitrogen‚ oxygen‚ argon‚ carbon dioxide‚ and water vapor protects the planet from harmful radiation
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Humans have tried to predict the weather for millions of years. Our ancestors monitored changes in their environment along with the behaviour of animals to help them predict the weather. Through development of our understanding‚ of the atmospheric patterns and the relationship to weather dynamics‚ today it is much easier to forecast a more accurate weather prediction. To better understand the mechanisms which control our weather and climate‚ we have to look at the Earth’s atmosphere. In particular
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STUDY GUIDE: OBJECTIVES Chapters 17 and 18: Air Pollution and Global Climate Change You will be quizzed on information provided on this handout. THIS IS NOT A HOMEWORK ASSIGNMENT!! VOCABULARY: see next page A Word Wall must be made from one of these words (vocabulary list) for this Chapter’s Quiz. Due on the date of the quiz. OBJECTIVES: 1. Be familiar with material from all previous chapters. 2. How are primary and secondary pollutants different? Give an example of each. 3.
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i-01-LBI-861758 8/23/04 3:19 PM Page i NASA/Science Photo Library/Photo Researchers i-01-LBI-861758 8/23/04 3:20 PM Page ii The Air Around You This satellite image shows Hurricane Bonnie‚ which struck North Carolina in 1998. The storm was nearly 400 miles wide‚ with the highest recorded wind gust at 104 mph. Overall damages were estimated in the $1.0 billion dollar range‚ and three deaths were attributed to the Category 3 storm. Copyright © 2005 by The McGraw-Hill
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Why study weather and climate: Influences our daily activities Influences agriculture‚ energy use‚ weather resources‚ transportation‚ and industry Understand and predict severe weather Understand‚ predict‚ and mitigate long term changes Hurricane Irene: one of the top 10 hurricanes since 1980. Definitions: Meteorology: The scientific study of the atmosphere * Weather: Climate: Long term trend (average‚ high and low extremes)‚ temperature‚ wind‚ humidity‚ rainfall‚ etc. Basic components:
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part in which we can live and breathe called the Troposphere. The air in which we breathe is a mixture of gases made up mostly of Nitrogen‚ Oxygen‚ Argon‚ and Carbon Dioxide. The presence of a very large amount of Oxygen makes us unique from any other planet in the solar system. Water‚ and Carbon Dioxide play a vital part in the workings of our planet and sustaining life on Earth. The portion of our atmosphere below 12km is called the Troposphere‚ and the portion 40 to 50 km above it is called the
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Global Warming: Causes‚ Effects‚ and Solutions. Global Warming is the rise in the average temperature of Earth ’s atmosphere and oceans since the late 19th century and its projected continuation. Many people do not see this as a problem. However‚ it is currently a huge issue that is often talked about among scientists and many other people. Global Warming is caused by many different things. Greenhouse gases‚ deforestation‚ and solar activity are three different proven facts that cause global warming
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Table of Contents Aim 3 Introduction 3 Theory of Flight 3 History and Evolution of Flight The Atmosphere 5 Humidity Pressure Density Aerodynamics ……..…………………………..………………………………………………….........8-9 Lift‚ Drag‚ Thrust And Weight Airflow Across An Aerofoil 10 Conclusion 11 AIM My aim in this essay to discuss the theory of flight in physical terms with reference to the atmosphere and aerodynamic features of large passenger aircraft
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International Journal of Environmental Science and Development‚ Vol.2‚ No.1‚ February 2011 ISSN: 2010-0264 Ozone Layer Depletion and Its Effects: A Review Sivasakthivel.T and K.K.Siva Kumar Reddy Abstract - There are many situations where human activities have significant effects on the environment. Ozone layer damage is one of them. The objective of this paper is to review the origin‚ causes‚ mechanisms and bio effects of ozone layer depletion as well as the protective measures of this
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