PPT-1 Earth’s Atmosphere and The Ozone Layer

GLY 4241 Lecture 6 Fall 2016 2 Earth Even in a high resolution image from space the atmosphere is not visible 3 Radiation NASA graphic 4 Chinese Smog Haze over China Increased desertification has added dust to Chinas atmosphere. Layer. Depletion. “. Life’s Support System Depletion. ”. Outline of Presentation. What is the Ozone layer?. How is ozone created and destroyed?. What is the Ozone hole?. What are the causes of Ozone Depletion?. . General Characteristics. Composition- Gases, water vapour and dust particles. Structure: Layered structure, variation with altitude, latitude and seasons; Importance and characteristics of each layer.. Ecology is the scientific study . of:. interactions . between organisms and the environment. . It is the study of the interactions . between: . different . groups of organisms. . It is the study of the interactions between:. What is a greenhouse?. Wikipedia | GNU . Greenhouse Effect. Process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases, and is re-radiated in all directions. . General Characteristics. Composition- Gases, water vapour and dust particles. Structure: Layered structure, variation with altitude, latitude and seasons; Importance and characteristics of each layer.. 7.5 Composition and Structure of the Atmosphere What is the composition of Earth’s Atmosphere? SC.6.E.7.9, LA.6.2.2.3 Composition of Earth’s Atmosphere The atmosphere is the protective covering of Earth. It keeps Earth warm and protects it from 15.3 Layers of the atmosphere Key concepts: What are the four main layers of the atmosphere? What are the characteristics of each layer? Key term: Troposphere, stratosphere, mesosphere, thermosphere, ionosphere, exosphere Atmosphere Essential Question: How are we changing our atmosphere? Learning Goals: Be able to identify the layers of the atmosphere. Describe what molecules make up the atmosphere. Atmosphere Atmosphere professor . Dr.HUDA. FAROOQ ZAKI. INTRODUCTION TO ENVIRONMENTAL POLLUTION. Pollution : is the addition to the ecosystem of something which has a detrimental effect on it .. Pollution : is the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects. . Stratosphere. Ozone Concentration (ppm). SGC . Fig. 3-11. . OZONE: Sources. Ozone is produced naturally in photochemical reactions in the stratospheric ozone layer --“good ozone” -- is . decreasing. Retrievals . from . Joint UV and Visible . Measurements by the . TEMPO. Juseon Bak, Xiong Liu, Chris Miller, Kelly Chance. ,. John Houck, Ewan O’Sullivan, Caroline R. . Nowlan. , G. Gonzalez . Abad @ . . The layer of gases surrounding Earth; composed mainly of 78% nitrogen and 21% oxygen, and other gases (water vapor, dust, pollutants, etc.). Brainpop: . Earth’s atmosphere. Layers of the Atmosphere. found?. The . ozone layer . is the layer of the atmosphere at an altitude of 15 to 40 km (stratosphere) . What is Ozone?. Ozone. . is a molecule made of three oxygen atoms. What is the function of the ozone layer. N. 2. O . under the. Vienna Convention for the Protection of the Ozone Layer and/or . Montreal Protocol on Substances that Deplete the Ozone Layer. Peter M. Grabiel. Institute for Governance & Sustainable Development (IGSD).