'Antarctic ozone hole' diaporamas de présentation

The Atmosphere and Atmospheric Ozone

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Human Impacts on Coral Reefs

Human Impacts on Coral Reefs. Part 3 Global Impacts. The Greenhouse Effect. atmosphere. 25%. reflected. 5%. 25%. 45% reaches the surface. Human-Produced Greenhouse Gases. Carbon Dioxide (CO 2 ) Methane (CH 4 ) Nitrous Oxide (N 2 O) Ozone (O 3 ). Natural Phenomena. Direct evidence.

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The Atmosphere

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Unit IX. The Ozone Hole(s) Discovery: Antarctic Ozone Hole

Unit IX. The Ozone Hole(s) Discovery: Antarctic Ozone Hole Satellites have been monitoring the total amount of ozone (mostly in the stratosphere) since the late 1970s. Satellites accurately recorded the sudden disappearance of at least half of all the ozone,

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36.2 Energy flows through ecosystems

36.2 Energy flows through ecosystems. There is a limited amount of energy in an ecosystem. It is divided among the different trophic levels . This energy budget influences the types and numbers of organisms in an ecosystem.

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Chemistry of the Stratosphere

Chemistry of the Stratosphere. The Ozone Layer. Origins of the Atmosphere. Hypothesis One must have a broad scientific background to understand the dynamics and composition of the atmosphere. Antarctic Ozone Hole. Absorption Spectrum for Ozone. Creation and Noncatalytic Destruction of Ozone.

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?????????? ? Watching the Ocean

??? ???? ????? ???? : AVISO Home, www.aviso.oceanobs.com/ Radar Altimetry Tutorial, http://earth.eo.esa.int/brat/index.html JPL/NASA web, http://www.jpl.nasa.gov/videos/ostm/ostm20080520/ SeaWIFS project, http://oceancolor.gsfc.nasa.gov/SeaWiFS/ NASA web, http://www.nasa.gov/

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How Humans Are Altering the Earth

How Humans Are Altering the Earth. Ozone Depletion. Title. Body text. Growth of the Antarctic ozone hole over 20 years, as observed by the satellite. Darkest blue areas represent regions of maximum ozone depletion. Decline in Large Fish Biomass (fish/100 hooks on Japanese longlines ). 1952.

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Stratospheric Ozone Depletion

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Pollution takes its toll on marathon field

Pollution takes its toll on marathon field. Twenty-two people were sent to hospital yesterday, two remaining in critical condition last night, after taking part in Hong Kong's biggest marathon amid the worst air pollution since September.

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CHAPTER 7 TEST ESSAYS

CHAPTER 7 TEST ESSAYS. #1 What is chromatography?. Separation of pigments In a solvent according to their densities For plant pigments, we use acetone/ethanol solution Set-up: taper chromatography paper, mark starting point, and put just the tip in the solvent. #1 Chromatography.

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Meto 637

Meto 637. Lesson 11. The Ozone Hole. Antarctic total ozone. Decline in mean October ozone levels over Halley Bay. Antarctic Ozone Hole. First discovered in October 1984 by scientists at the British Antarctic Survey, and by the TOMS team at NASA.

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What Forms of Pollution are Especially Harmful in Ecosystems?

What Forms of Pollution are Especially Harmful in Ecosystems?. Air pollution Particulates and Heavy Metals Industrial sources (ex. steel plants) and car exhaust Can be toxic, decrease immunity, and aggravate asthma Acid rain : from nitric acid (car exhaust) and sulfuric acid (coal)

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Ozone and Environment

Ozone and Environment. Stratospheric Ozone Layer Destruction. Ozone. O 3 a gas composed of three atoms of oxygen bluish gas that is harmful to breathe Nearly 90% of the Earth's ozone is in the stratosphere and is referred to as the ozone layer

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"The Antarctic Ozone Hole"

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Assessment of the Stratospheric Ozone Layer: Past and Future (Karma of and Nirvana for O 3 )

Assessment of the Stratospheric Ozone Layer: Past and Future (Karma of and Nirvana for O 3 ). A.R. (Ravi) Ravishankara NOAA, Earth System Research Laboratory Chemical Sciences Division. What were the major findings from the 2006/2007 assessment

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Argentina and the study of the Ozone Hole in Antarctica

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Our Solar System

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CHEMISTRY

CHEMISTRY. Form 2 ambcol36@servihoo.com (Mauritius). Objectives. To recall the term CFC (Chlorofluorocarbon ) To use the periodic table to list the elements found in CFC To describe the importance of the ozone layer To search for information on CFC and ozone layer (using ICT)

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Ozone Layer Chapter 21, sections 9 and 10

Ozone Layer Chapter 21, sections 9 and 10. Ozone layer. A layer in the stratosphere that is made of ozone (O 3 ) Absorbs ultraviolet light from the sun, protects organisms from damage to DNA, especially due to UVB

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