The purpose of this activity is to draw a model of the four layers of earths atmosphere. It defines an outline for a set of key process areas that must be acclaimed for effective delivery of software engineering technology. Most of our atmosphere is located close to the earths surface where it is most dense. Engineering always builds one or more prototype machines before committing a new design for a product to manufacturing. These layers of the atmosphere serve to regulate heat distribution, wind, deflection of solar radiation and the containment of essential gases. The atmospheres first 80 km thick layer, the homosphere, is thoroughly mixed, allowing for a lifesupporting mix of about 78% nitrogen and 21% oxygen 1% others like carbon dioxide, neon, argon, helium. In past there were single layered systems monolithic systems but they were not made for the general consen. Layers of atmosphere the four main layers of the atmosphere are classified according to changes in temperature. Definition of software engineering and software engineering layers by dinesh thakur category. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
The earths atmosphere is mostly nitrogen by volume. What is the basis for dividing the atmosphere into four layers. Software engineering over the last 50 years there has been revolutionary advancement in the field of technology, leading to improvements in hardware performance and profound changes in computing architectures. Apr 06, 2014 most of our atmosphere is located close to the earths surface where it is most dense. The troposphere starts at the earths surface and extends 8 to 14. Above this layer is the stratosphere, followed by the mesosphere, then the thermosphere. The troposphere is the lowest layer of our atmosphere. It discusses the layers of the atmosphere, their composition, and important characteristics, and several embedded links to videos. Apr 18, 2015 video is for any student who missed this discussion day on basics of the atmosphere.
Sep 08, 2015 a small animation about the layers of earths atmosphere. This layers of the atmosphere accordion booklet is a fun hands on activity for students to use in their interactive notebooks. Callows certain wavelengths of longwave radiation to pass through the atmosphere. The crust has a variable thickness, being 3570 km thick in. The osi open system interconnection model is a layered model for. We live in the troposphere and most of our weather comes from this layer of the atmosphere. Manoj wadekar, in handbook of fiber optic data communication fourth edition, 20. Important variable gases are carbon dioxide, water vapor, and ozone. The upper layers of the atmosphere are more separated out by density in a region referred to as the heterosphere. Process the foundation for software engineering is the.
It protects the earth from radiation and meteoroids. The stratosphere starts just above the troposphere and extends to 50 kilometers 31 miles high. Sometimes, the troposphere is termed the lower atmosphere, and the thermosphere is known as the upper atmosphere, with the stratosphere and mesosphere grouped together as the middle atmosphere. There is also a very strong temperature inversion at the top of the troposphere, called the tropopause, which generally separates stratospheric air from the troposphere. The atmosphere is comprised of layers based on temperature. The atmosphere s first 80 km thick layer, the homosphere, is thoroughly mixed, allowing for a lifesupporting mix of about 78% nitrogen and 21% oxygen 1% others like carbon dioxide, neon, argon, helium. Nitrogen, oxygen, water vapor, carbon dioxide, ozone, other. Students will be able to describe the four layers of earths atmosphere and the characteristics of each.
The method layer provides technical knowledge for developing software. Hot air rises, and water vapor condenses on cold surfaces. Atmosphere is usually divided into four layers called the troposphere, stratosphere, mesosphere, and the thermosphere fig. The atmosphere is important because it contains the air most living things breathe. Manishika jain tries to explain the two criterias for layers of atmosphere in a simple manner. The layers of the atmosphere from bottom to top are the troposphere, the stratosphere, the mesosphere, the thermosphere, and the exosphere. This layer holds almost all of the water vapor in the atmosphere, as well as almost 34 of its mass. Geophysical studies have revealed that the earth has several distinct layers. The short version is that, you cant cram everything into one layer.
It begins at the surface of the earth and extends out to about 4 to 12 miles 6 to 20 km. One important engineering design methodology is prototyping. Thermosphere extends from 80km above the surface odf the earth to the outer space. Layers of the atmosphere the atmosphere is the layer of gases that surrounds the planet and makes conditions on earth suitable for living things. Temperature in the atmosphere the lowest level is the troposphere, which starts from the surface of the earth. If the boundary layer inversion is very high up in the atmosphere, you will get good mixing and pollution will be diluted. It is more or less homogeneous in composition where there is no air pollution.
The depth of this layer varies from about 8 to 16 kilometers. The atmosphere is a protective layer of gasses that shelters all life on earth, keeping temperatures within a relatively small range and blocking out harmful rays of sunlight. A the atmosphere bearths surface 17 the atmospheric window. Naeem kamboh earths atmosphere is divided into five main layers. Aug 29, 2018 the short version is that, you cant cram everything into one layer. Athe atmosphere bearths surface 17the atmospheric window. The atmosphere of earth is the layer of gases, commonly known as air, that surrounds the planet earth and is retained by earths gravity. It helps in stopping the ultraviolet rays harmful to the life and maintains the suitable temperature necessary for life. This graph below shows temperature at different altitudes along with the names given to the various layers. All about the four main layers of the earth and their. Moving upward from ground level, these layers are named the troposphere, stratosphere, mesosphere, thermosphere and exosphere. I made this powerpoint on atmosphere layers to accompany glencoes earth science textbook, 20 edition, chapter 11. This layer covers a broad array of tasks that include requirements analysis, design, coding, testing, and maintenance phase of the.
The exosphere gradually fades away into the realm of interplanetary space. The following figure represents software engineering layers. Nitrogen, oxygen, water vapor, carbon dioxide, ozone, other gases why is the earth divided into four layers. Even if you do, it wouldnt be feasible at least by todays standards. It even recycles water by returning it back to the earth as rain.
Argon, carbon dioxide and various trace gases make up the remainder. Software engineering department of higher education. Sometimes, the troposphere is termed the lower atmosphere, and the thermosphere is known as the upper atmosphere, with the. Variable gases, as their name suggests, vary in concentration. Layers layers of of the the atmosphere atmosphere section section 3 3 objectives objectives identify identify the the four four main main layers layers of of the the atmosphere atmosphere. If your course has a practical component, management chapters in part 4 may be. Software engineering can be viewed as a layered technology. This level reaches to about 8 km high at the poles and 18 km high at the equator. The atmosphere is made primarily of four distinct layers, each with an important function. Earths atmosphere is a thin layer of gases that hover above our planets surface. The atmosphere is divided into four layers because each layer has a distinctive temperature gradient.
Layers of the atmosphere earths atmosphere is divided into several different atmospheric layers extending from earths surface outward. An earth has been drawn in the middle of the back of this page. These layers are the troposphere, stratosphere, mesosphere and thermosphere. Scientists divided the atmosphere into four layers according to temperature.
Although some similarities exist between software development and hardware. The air of our planet is 78% nitrogen and just under 21% oxygen. Troposphere the lowest layer of the atmosphere is called troposphere. The troposphere or lower atmosphere is in contact with the earths surface, and is about 8 km high at the poles and 16 km at the equator. Ais a local phenomenon similar to the ozone hole that opens over antarctica in winter. Layers of earths atmosphere ucar center for science. Two gases make up the bulk of the earths atmosphere. Without our atmosphere, there would be no life on earth. Software engineering involves use of some of the traditional engineering methods in the analysis, design, and implementation of computer software. It contains lifegiving gases like oxygen for humans and animals and carbon dioxide for plants.
The shape and layers of the planet earthfor kids owlcation. Layers of the atmosphere earths atmosphere extends over 300 miles from the surface. Focused on the 4th grade california educational standards. Composition and structure of the earths atmosphere clear ias. The layer of the atmosphere closest to the earth is the troposphere. A further 21% of the atmosphere is the oxygen that we breathe, followed by 0. The atmosphere has five different layers that are determined by the changes in temperature that happen with increasing altitude. Almost 70% of the mass of the atmosphere is contained in this layer.
Definition of software engineering and software engineering layers. High clouds, which are family a middle clouds, which are. Clouds are classified into 4 main layers, with one layer which occurs extremely high up. Software engineering fundamentals by ali behforooz, and frederick j. The earths atmosphere consists of few layers like spherical shells. Trace gases make up the remaining 1% of the atmosphere.
Becoming a software engineer has been an interesting journey for me. What is the basis for dividing the atmosphere into 4 layers. What is software engineering according to ieee software engineering is defined as the application of the systematic, discipline, quantifiable approach to development of an operation and maintenance of software 3. According to temperature, the atmosphere contains four different layers figure 7b1. Which sequence correctly lists the four layers in earths atmosphere from closest to farthest from the surface. Hence, troposphere is that layer in which the temperature changes upward on account of convection current. A small animation about the layers of earths atmosphere. Jaswinder singh, in software engineering for embedded systems second edition, 2019. Its where weather happens and contains the air humans breathe. 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. Layers of earths atmosphere ucar center for science education. Atmosphere layers the atmospheric layers of the earth serve distinct functions and are essential for maintaining the ability to support life on this planet. This article throws light upon the five major layers of the atmosphere. The atmosphere can be divided into layers based on its temperature, as shown in the figure below.
The four layers of the atmosphere are the troposphere, the stratosphere, the mesosphere and the thermosphere. Layered architecture an overview sciencedirect topics. The atmosphere provides us with oxygen to breathe, shelters us from solar uv radiation, and warms earths surface via the greenhouse effect. The differentiation between these layers is due to processes that took place during the early stages of earths formation ca. A further region at about 500 km above the earths surface is called the exosphere. The atmosphere traps energy from the sun and keeps the earths surface warm enough for water to exist as a liquid. What is the basis for dividing the atmosphere into four. Video is for any student who missed this discussion day on basics of the atmosphere.
The ocean of air above us the earth is surrounded by an ocean of gases we call the atmosphere. Developed during a project studying the air traffic control process. The layers of the atmosphere have distinguishing features. The script was written by the nonprofit california institute of biodiversity. The process layer allows the development of software on time. Earths atmosphere has a series of layers, each with its own specific traits. There is a fifth layer called the exosphere, where the atmosphere gradually thins and merges with interplanetary space, but we wont consider this further as the molecules are so far apart, it no. Software engineering darshan institute of engineering and. Greatest depths occur at the tropics where warm temperatures causes vertical expansion of the lower atmosphere.
981 306 216 871 1267 741 174 217 976 1365 301 1269 1055 889 163 257 329 880 1285 411 676 561 200 1151 1486 1074 1440 1422 267 906 1329 675 1114 829 976 614 1431