This article explains all the characteristics, functions, composition and importance of the troposphere, one of the most important outer layers of the planet earth and the layer of the atmosphere closest to the earths crust. carbon dioxide and water vapor. WebThe most important oxidising species is the hydroxyl radical (OH). These layers are: This is an important topic in the Geography syllabus for UPSC 2022Exam. Become a Study.com member to unlock this answer! Plus, get practice tests, quizzes, and personalized coaching to help you Troposphere The lowest level of our atmosphere is called the Troposphere. The stratosphere is where youll find the very important ozone layer. The hydroxyl radical is therefore known as the 'detergent of the atmosphere'. Additionally, the troposphere absorbs some of the ultraviolet radiation from the sun to help protect us on the ground. A jacket for the planet. It is an extremely cold layer at short distances. The troposphere is the lowest layer of the Earth's atmosphere, and it is where most of the weather occurs. At the end of the stratosphere layer, there is a boundary called stratopause which separates it from the next layer: the mesosphere. Finally, the convection currents in this layer drive weather patterns around the world, providing essential rain and nutrients for all plants and animals on Earth. Temperatures in the stratosphere increase with altitude. In the poles, it only reaches about eight kilometers up. The troposphere is located from ground level up to about 10 km (6.2 miles or about 33,000 feet) above sea level, and it contains most of Earth's clouds and weather. This jacket of gases does a lot for us. It is considered as the lowest layer of Earths atmosphere. The troposphere is the lowest layer of Earth's atmosphere, situated between the surface and the stratosphere. The troposphere starts at the Earth's surface and extends 8 to 14.5 kilometers high (5 to 9 miles). The height of this layer also varies depending on whether it is summer or winter, so that in summer it even reaches 20 kilometers high in the equatorial zones and a height of 7 kilometers above the poles in winter. Atmosphere It contains around 75% of the atmosphere's total mass, and virtually all weather occurs in this layer. The stratosphere starts just above the troposphere and extends to 50 kilometers (31 miles) high. Radio waves that are transmitted from the earth are reflected by this layer. 8 kms (poles) to 18 kms (equator). The troposphere is one of the most important external layers of the earth because it allows biological processes such as photosynthesis and respiration, it also regulates the planets climate because it allows the water cycle, the formation of clouds and the generation of winds, It also contains the largest amount of carbon dioxide (CO2) which is the gas responsible for climate change. The Troposphere holds 99% of the total water vapor of the atmosphere. CFCs absorb the UV radiations to break down a chlorine atom from its molecule. These examples are programmatically compiled from various online sources to illustrate current usage of the word 'troposphere.' Importance It is in this layer of the atmosphere where all weather processes occur, for example: The troposphere is a layer that is directly in contact with the earths surface and therefore allows a lot of biological processes such as photosynthesis (which allows the development of plants), the breathing of living beings, the evaporation of the oceans (allows the water cycle) and all the human activities. 1. The Troposphere Which two gases are important for weather conditions; found in the Troposphere? It reaches from the top of the troposphere, which is called the tropopause, to an altitude of approximately 50 kilometers (30 miles). WebAnswer (1 of 8): Short answer: all life on earth depends on it. The troposphere is the lowest layer of the Earth's atmosphere and it plays a vital role in protecting life on Earth. At the equator, it starts at around 10 miles above sea surface level while at the poles it can reach up to 5-7 miles in elevation. troposphere important Tropopause Websubject to change and improvement in principle. 2. Stratosphere-Troposphere Exchange: A Review Tropopause [2] The troposphere and the stratosphere have fundamentally different characteristics (e.g., static stability, chemical composition) and, thus, air mass exchange between these two regions of the atmosphere is of great interest. Last modified February 25, 2020, Hepatic Encephalopathy diagnosis, cause, symptoms and treatment, Realme GT3 advantages, disadvantages, review and specifications, Spontaneous bacterial peritonitis symptoms, diagnosis, treatment, causes and antibiotics, Realme Narzo 60 review, advantages, disadvantages & specifications, Uses of the concave mirror and the convex mirror in our daily life, Advantages and disadvantages of using robots in our life, Robot teachers uses, types, advantages and disadvantages, The positive and negative effects of cars, Copyright Science online 2014. Vocabulary. The troposphere is also home to clouds, dust particles, smoke, water vapor and other aerosols which play an important role in controlling global climate patterns. Ozone: What is it, and why do we care about it? As a result of temperature stratification, the stratosphere experiences a comparatively little convection. The ears are trying to adapt to the fluctuation in pressure between inside and outside the middle ear space and that's why they pop. NASA The troposphere is the lowest layer of Earth's atmosphere, and it has four main characteristics. What is the importance of the troposphere to life on Earth? Additionally, as air rises in this layer it expands and cools due to a decrease in atmospheric pressure this process also helps to keep temperatures warm in this layer. In addition, these sediments that are formed by weathering and erosion of the crustal rocks before becoming sedimentary rocks make up the soil that is used for agriculture and by many living beings as their home or as a source of food. Stratosphere - Definition and Characteristics Atmosphere All kinds of weather changes occurs within this layer. The stratosphere is characterized by being dry, so clouds, water vapor, and rain are less likely to occur in this layer. 1. The atmosphere is divided into five different layers, based on temperature. This is the first and the lowest layer of Earths atmosphere. Earth's Atmosphere It also helps to warm the ground and make the temperature bearable for creatures to dwell in. Earths atmosphere has six layers: the troposphere, the stratosphere, the mesosphere, the thermosphere, the ionosphere, and the exosphere. WebThe Stratosphere. This diagram shows some of the features of the troposphere. The Best of SpongeBob: Funniest Quotes to Brighten Your Day! Most light aircraft and turboprop aircraft fly within the troposphere and this is where most of the water vapour and therefore cloud formation exists. All Rights Reserved. The five layers of the atmosphere are troposphere, stratosphere, mesosphere, thermosphere, and exosphere. javascript is enabled. This helps to regulate the temperature on our planet by trapping heat wthin the atmosphere. The troposphere, the lowest layer, is right below the stratosphere. ocean. Much of the lower layer is heated up by the heat of Earth's surface. The troposphere has a direct contact with the Earth's surface. Create your account. Major greenhouse gases include carbon dioxide, methane, nitrous oxide, and various synthetic chemicals. Troposphere thickness is about 8 km above the two poles and 18 km at the equator so, average troposphere thickness = (8+18 / As a result of this, the ozone gets destroyed, leading to the depletion of the protective layer. It is the second layer of the atmosphere as you go upward. Subscribe to America's largest dictionary and get thousands more definitions and advanced searchad free! Temperatures in the stratosphere increase with altitude. The atmosphere is related to the pressure because the atmosphere above earth is large. The troposphere is not constant eiter in space or time, varying significantly due to seasonal changes, atmospheric circulation patterns and local conditions. Many biological functions, including photosynthesis and respiration, rely on atmospheric gases. The atmosphere is broken down into five layers, each with its own characteristics and properties. The troposphere layer is the first layer of the atmospheric envelope. Aurora and satellites occur in this layer. All rights reserved. thermosphere. xmlns:xsl='http://www.w3.org/1999/XSL/Transform'">. WebThe most important observation related to the O 3 layer in the stratosphere is the so-called O 3 hole, initially observed over Antarctica during early spring in the early 1980s. Mesosphere The layer of the atmosphere closest to the Earth is the troposphere. All of these factors combined make the troposphere an ideal place for weather to occur. Credit: NASA, Image above: TOMS was used to observe how the low ozone layers have increased over a ten year period. The ozone shields organisms from dangerous UV rays. troposphere Tropopause All life on this planet is affected by the changes that happen in this layer, as all the weather changes take place in the troposphere. WebYOU MAY ALSO LIKE. Tesserenc de Bort apparently first used them in a paper read to a German meteorological society in Hamburg on September 30, 1908 ("La division de l'atmosphre en troposphre et stratosphre d'aprs les rsultats de l'exploration de la haute atmosphre"). He has a keen interest in education and loves to write kids friendly content. This chemical negatively affects the ozone layer. Tighty-whities or loosey-goosey? troposphere STRATOSPHERE. Enrolling in a course lets you earn progress by passing quizzes and exams. The Inspiring Story of the Newsboys Strike of 1899, Remembering Actor Frank Bank of Leave It to Beaver. 3. - Causes, Symptoms & Treatment, Listeria Monocytogenes: Symptoms & Treatment, What is Vascular Disease? This layer provides some advantages for flight because it is above stormy weather and has steady, strong, horizontal winds. It extends from about 50 to 85 km (31 to 53 miles) above our planet. He has written for some of the biggest blogs and newspapers in the world. Overall, without this layer we wouldn't be able to survive on our planet and so it's essential that we do our part in protecting this invaluable asset by reducing air pollution and protecting natural habitats which are essential for maintaining a healthy atmosphere. Importance Facts About The Stratosphere. starts seven miles above the earth. WebThe most important observation related to the O 3 layer in the stratosphere is the so-called O 3 hole, initially observed over Antarctica during early spring in the early 1980s. 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