Oct 12, 2011 ryan beaudryintroduction to the structure and composition of earths atmosphere slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Due to these changes development of living world take place on the earth. Like land lithosphere and water hydrosphere, the atmosphere is an integral part of the earth. Autoplay when autoplay is enabled, a suggested video will automatically play next. It is the most important zone for organisms and is composed of o 2, n 2, co 2, h 2 o and particulate matter. Read this essay to learn about atmosphere, composition of atmosphere and energy balance in atmosphere. Composition and structure of the atmosphere book pdf free download link book now. If they are plotting by hand, have them use every 5 th value. In this layer temperature normally decreases with height. Atmospheric structure c o o r d i n a t e d s c i e n c e 1 background.
Generally, atmosphere extends up to about 1600 km from the earths surface. This lesson is designed to expose students to the 5 layers of earths atmosphere. Structure the atmosphere is divided into layers according to major changes in temperature. Troposphere 0 to 12 km contains 75% of the gases in the atmosphere. Earths atmosphere extends more than 1,000 kilometers above earths surface. Building atmosphere what do we mean when we speak of architectural quality. Layers of the earths atmosphere worksheet includes. Compared to the earths radius, the atmosphere appears to be only a very thin layer of gases. Above this layer is the stratosphere, followed by the mesosphere, then the thermosphere.
The atmosphere protects life on earth by absorbing ultraviolet solar radiation, warming the surface through heat retention greenhouse effect, and reducing temperature extremes between day and night the diurnal temperature variation. Learn vocabulary, terms, and more with flashcards, games, and other study tools. One of the important feature of this sphere is that in this part of atmosphere, temperature decreases with increase in height. Density is the amount of a quantity per unit area or volume. The atmosphere is made up of mostly nitrogen 78% and oxygen 21%. Ironically, it is the view of earth from the airless vacuum of space that provides us with a view of just how thin is the veil of. It envelops the earth all round and is held in place by the gravity of the earth. It is the layer where meteors burn up upon entering the atmosphere. Thickness of the atmosphere most of the atmospheric mass is confined in the lowest 100 km above the sea level. Structure of the atmosphere north carolina climate office. Vuglinsky encyclopedia of life support systems eolss and swamps, soil moisture and water vapor in the atmosphere. The atmosphere is a complex and ever changing mixture. The atmosphere of earth is the layer of gases, commonly known as air, that surrounds the planet earth and is retained by earths gravity. The earths atmosphere is a complex dynamical, physical, and chemical system.
The solar interior, from the inside out, is made up of the core, radiative zone and the convective zone. Jinyi yu thickness of the atmosphere most of the atmospheric mass is confined in the lowest 100 km above the sea level. There are lots of other gases that are part of the atmosphere, but in much smaller amounts. The atmosphere is a mixture of gases, suspended particles, and liquidsolid water. Find materials for this course in the pages linked along the left. The temperature decreases, on an average, from 17 degree celsius to 122 degree celsius, hence this is the coldest part in the earths atmosphere. The layers of the earths atmosphere please follow along and add notes to your graphic organizer what makes the earth special it has an atmosphere which is a blanket of air that surrounds our earth. Temperature decreases at the rate of 1 degree celsius for every 165 m of height. It includes not only the surface process which have shaped the earths surface, but the study of the ocean floors, and the interior of the earth. The earths surface absorbs most of the suns energy. These include argon, carbon dioxide, neon, helium, hydrogen, and more.
Chapter 1 composition and structure of the atmosphere. This gaseous cover of the earth is known as the atmosphere. Powerpoint presentation introduction to the sun and. Its ingredients vary from place to place and from day to day. Other gases like organ, carbon dioxide, hydrogen, nion, helium etc. However, 99 % of the total mass of the atmosphere is confined to the height of 32 km from the earths surface. At the mesopause, the temperature begins to increase with altitude and this trend continues in the thermosphere. Icse solutions for class 7 geography voyage composition and structure of the atmosphere icse solutionsselina icse solutionsml aggarwal solutions provides step by step solutions for icse solutions for class 7 geography voyage. Chapter 3 the vertical structure of the atmosphere in this chapter we discuss the observed vertical distribution of temperature, water vapor and greenhouse gases in the atmosphere. The atmosphere of earth is a layer of gases surrounding the planet earth that is retained by earths gravity. Climatology is the study of climate defined as weather conditions averaged over a period of time. Atmosphere is a multilayered envelope of different gases just like a protective blanket surrounding the earth which holds up life on earth and saves it from harmful environment of outer space. Most of our weather takes place within the troposphere, a layer extending 30 km above the earths surface.
Both the stratosphere and the mesosphere are considered the middle atmosphere. Atmosphere, the gas and aerosol envelope that extends from the ocean, land, and icecovered surface of a planet outward into space. Structure of the atmosphere a click in this figure starts the download to the din a4 pdf file. It is a question that i have little difficulty in answering. The vertical distribution of temperature, pressure, density, and composition of the atmosphere constitutes atmospheric structure. The earth is surrounded by a thin layer of gasses which, as you know, is called the atmosphere. These quantities also vary with season and location in latitude and longitude, as well as from night to day. Chapter 1 composition and structure of the atmosphere understanding weather and climate aguado and burt 12008 version atmo 0 definitions atmosphere the gases, droplets and particles surrounding the earths surface.
Structure of the atmosphere, conduction, convection, radiation. Titans atmosphere is predominantly n2 with ch4 the next most abundant molecule. Affairsguru team will soon upload the climatology composition and structure of the atmosphere pdf. Structure of atmosphere with diagram earth geography. Weather and climate the structure of the atmosphere surrounding the earth is a gaseous envelope or atmosphere, held in place by the planets gravitational attraction. Outline of topics 1 intro to air pollution 2 atmospheric composition concentration of gases particulate matter 3 structure of the atmosphere thermal strati cation mixing times spatial variability of composition 4 light nature of light sunlight the atmosphere 2 16. This%text%is%derivative%from%content%on%windows%to%the%universe% %2010,% national%earth%science%teachers%association.
The earths atmosphere protects and sustains the planets inhabitants by providing warmth and absorbing harmful solar rays. But the composition of the atmosphere is more than air. I hydrosphere structure and its relationship to the global hydrological cycle v. It is not only the study of the earth as we see it. Composition and structure of the atmosphere book pdf free download link or read online here in pdf. The atmosphere is the mixture of different types of gases, including water vapour and dust particles.
Unesco eolss sample chapters hydrological cycle vol. The layer closest to the earth is called the troposphere. In addition to containing the oxygen and carbon dioxide, which living things need to survive, the atmosphere traps the suns energy and wards off many of the dangers of space. It contains lifegiving gases like oxygen for humans and animals and carbon dioxide for plants. It is made up of three primary gases and other trace gases. The observed temperature distribution is compared to the radiative equilibrium pro. All about troposphere i this is the abode of all living organisms. It is considered as the lowest layer of earths atmosphere. They include the physics of the atmosphere, synoptic meteorology, dynamic. The heat source at the top of the atmosphere is primarily due to the absorption of extremely highenergy photons extreme uv and xradiation from the sun. Atmosphere our planet earth is enveloped by a deep blanket of gases extending several thousands of kilometres above its surface. Figure a shows the placement of the different layers of the atmosphere and how the temperature changes with height as you go from the ground up to space. For the love of physics walter lewin may 16, 2011 duration. The thickness of the atmosphere is only about 2% of earths thickness earths radius 6500km.
Climatology composition and structure of the atmosphere pdf. The atmosphere also contains chemicals which absorb heat from the earths surface and radiate it in all directions including back to the. The atmosphere is the thin layer of gases separating earth from the outer space. Composition and structure of the atmosphere composition evolution vertical structure ess5 prof. Jun 16, 2015 vertical structure of the atmospherevertical structure of the atmosphere the atmosphere is dividedthe atmosphere is divided intointo fourfour isothermal layers orisothermal layers or spheres. Boyles law states that with temperature constant, pressure is directly. Three quarters of the atmosphere s mass resides within the troposphere, and is the layer. The composition of the atmosphere consists largely of two elements, oxygen and nitrogen. The atmosphere composition and structure the atmosphere 1 16. Some of this energy is bounced back out by the earth as heat, which warms the troposphere. It helps in stopping the ultraviolet rays harmful to the life and maintains the suitable temperature necessary for life. Composition and structure of the earths atmosphere clear ias. May 16, 2015 first video of the ncert class 11 chapter climate, revise in 6 minutes,subscribe for more such videos ncertclimate chapter 1 video1.
For the most part, this is where most of the aspects of the atmosphere that affect us on a daily. Gravity pushes the layers of air down on the earths surface. Other important levels of the atmosphere are 850 mb 1500 m 700 mb 3000 m 500 mb 5500 m 300 mb 9000 m 200 mb 11500 m the jet stream level is about 250 mb. The troposphere starts at surface of the earth and goes up to a height of 7 to 20 km. Icse solutions for class 7 geography voyage composition. This article throws light upon the five main zones or regions of atmosphere. Hydrosphere structure and its relationship to the global. Composition and structure of atmosphere iasmania civil. Sixth grade lesson the layers of the atmosphere betterlesson. The earths atmosphere extends about 6,000 miles above its surface. Using their graphs, students should answer the following questions. It is the typical structure and composition of earths atmosphere which is responsible for creating conditions suitable for the existence of a healthy biosphere on this planet.
Because of the shallowness of the atmosphere, its motions over large areas are primarily horizontal. If you continue browsing the site, you agree to the use of cookies on this website. Water vapor is supplied to the atmosphere by evaporation from the surface and is removed from the atmosphere by condensation clouds and rains. Troposphere is the region nearest to the earths surface and extends up to an altitude of 11 km.
The lowest layer is the troposphere, which extends from the surface to the bottom of the stratosphere. Vertical structure of the atmospherevertical structure of the atmosphere the atmosphere is dividedthe atmosphere is divided intointo fourfour isothermal layers orisothermal layers or spheres. The atmosphere is like a blanket around the earth and is made up of 78% nitrogen, 21% oxygen, 0. We commonly think of gas molecules as moving about in a completely random manner, but the earths gravitational field causes downward motions to be very slightly favored so that the molecules in any thin layer of the air collide more frequently with those in the layer below. Thermal structure and chemical composition of the atmosphere. Earth s atmosphere is composed of about 78% nitrogen, 21% oxygen, and 0. The troposphere is the lowest layer of the atmosphere. All books are in clear copy here, and all files are secure so dont worry about it. The starting point for your mission is the troposphere, the lowest level of earths atmosphere. As you go higher in altitude, air pressure falls decreases. The load of pollutants discharged in the air is also diluted, chemically modified and is. Draw a diagram showing the ground, the troposphere, the tropopause and the stratosphere.
Earth system composition and structure of the atmosphere zaitseva nina. Atmosphere composition and structure notes the domain of air on the earth geography 9 atmosphere composition and structure earth is a unique planet because the life is found only on this planet. Structure and composition of atmosphere and its different layers. Our planet earth is enveloped by a deep blanket of gases extending several thousands of kilometres above its surface. The atmosphere is composed of the following layers. Encyclopedia of life support systems eolss phenomena in the atmosphere and the various techniques used to study them is very wide indeed. Powerpoint presentation introduction to the sun and space weather. The solar atmosphere above that consists of the photosphere, chromosphere, and the corona solar wind is an outflow of gas from the corona. Atmosphere composition and structure notes the domain of air on the earth geography iii this is the most important layer of the atmosphere because all kinds of weather changes take place only in this layer. Atmosphere is a gaseous envelop surrounded earth from all side this atmosphere is present by the gravitational attraction on the earth the life prevails on the earth only because of the present atmosphere if there is no atmosphere the earth became barren.
Introduction and origin of the earth geology, what is it. Earths atmosphere consists of a number of layers that differ in properties such as composition, temperature and pressure. This layer holds almost all of the water vapor in the atmosphere, as. Gases and particles are readily exchanged between the earths surface and the atmosphere through physical volcanic and biological photosynthesis, respiration processes. Particles like dust, water molecules, and even pollen make up the atmosphere. The concentration of water vapor is maximum near the surface and the tropics 0.
The earths atmosphere is a thin envelope of gases surrounding the solid planet, the hydrosphere, and biosphere. Have students create a graph showing atmosphere temperature vs. The atmosphere can be divided into four layers based on temperature variations. Quite literally then, the atmosphere is the vaporsphere. Meteorology the science that studies the atmosphere and its processes. In particular, the amount of water vapor in the atmosphere varies from day to day and place to figure 12 6 chapter 1 introduction to the atmosphere. The atmosphere of earth protects life on earth by creating pressure allowing for liquid water to exist on the earths surface, absorbing ultraviolet solar radiation, warming the surface through heat retention greenhouse effect, and reducing temperature. Compared to the earths radius, the atmosphere appears to. The air has a special place among the conditions necessary for life. This gaseous composition of the atmosphere is usually expressed by percentage volume, that is, each gass relative part of the total mixture. Sun structure image courtesy of national aeronautics and space administration nasa. The atmosphere is made up of different gases, water vapour and dust particles. The atmosphere is the air that plants and animals breathe to survive.
Composition and structure of the earths atmosphere. Suns internal structure and atmosphere, solar wind pmf ias. Dynamic processes cover a large range of scales from the microscopicscale. Trace amounts of other gases play a critical role in the atmosphere. For example, 78% of the atmosphere is made of the gas nitrogen n 2, 21% is composed of oxygen o. The atmosphere of earth its structure and composition.
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