One aspect that has been greatly affected by climate change is the weather. Climate change and the greenhouse effect whats your impact. The socalled greenhouse effect is essential to maintaining a climate that is hospitable to life on earth, as we know it. A ozone gases b solar gases c greenhouse gases d stomach gases the solar radiation that bounces off the. Lesson 1b the greenhouse effect and climate change. The effect of climate change on water resources and programs introduction the goal of this module is to educate water program managers, as well as the general public, on the expected effects of climate change on water resources and water programs. Background information to understand the role of greenhouse gases in global climate change, it is important to understand the basics of blackbody radiation and the interaction of greenhouse gases with earths longwave radiation. An important determinant of temperature is the greenhouse effect. This intensified greenhouse effect is a major contributor to the change in earths climate that has. Show a short powerpoint p resentation see attached powerpoint introducing the greenhouse effect. Great lakes climate change curriculum greenhouse gases objectives.
They trap energy in the atmosphere and cause it to warm. The effect of climate change on water resources and. Below is a table that shows the most important of these. Greenhouse gases absorbs infrared radiation balance of energy of planet gets damage and along with this, there will be a. Greenhouse effect global warming ppt linkedin slideshare. The green house effect the greenhouse effect is a term that describes how natural gases in the earths atmosphere reduce the amount of heat escaping from the earth into the atmosphere. Roughly onethird of the solar energy that reaches the top of earths atmosphere is. In reading this chapter, it needs to be borne in mind. This creates the natural greenhouse effect, which makes the. The climate system is a complex, interactive system consisting of the atmosphere, land surface, snow and ice, oceans and other bodies of water, and living things. Greenhouse gases from human activities are the most significant driver of observed climate change since the mid20 th century. Climate change science program published findings in agreement with the ipcc report, stating that studies to detect climate change and attribute its causes using patterns of observed temperature change in space and time show clear evidence of human influences on the climate system due to changes in greenhouse gases, aerosols, and.
Students explore the greenhouse effect through computer simulations and then dive deeper learning how the greenhouse effect works via readings and videos online. A greenhouse effect b seasonal effect c ocean effect d lake effect certain gases in the atmosphere. It is responsible for about half of the atmospheric heat retained by trace gases and also for 50% of the greenhouse effect. The process of energy absorption and reradiation by the ghgs in the atmosphere. Presentation outline global warming, climate change definitions human impact on planet earth global environment degradationcauses, evidences and progression greenhouse earthgases, effects and history carbon dioxide levels, sources and contributions global warmingconcept. In science, uncertainty must never be confused with ignorance. Climate forcing refers to a change in the earths energy balance, leading to either a warming or cooling effect over time. How the greenhouse effect is a normal process for our planet how human activities are producing greenhouse gases how the greenhouse effect causes global warming quest web extra video. Methane ch 4 is 2030 times more effective than co 2 in trapping heat. Both humanmade and natural factors contribute to climate change. A basic warming effect will produce complex effects on climate patternswith warming in some areas, cooling in others, and increased climatic variability and extreme weather events. The greenhouse effect a students guide to global climate. Furthermore, it is very likely that the 20th century warming has contributed.
In romania, for instance, extreme weather events have multiplied since 2002. The greenhouse effect and climate change 7 sp ace geosphere atmosphere 170 68 397 82 20 by clouds absorption by the atmosphere molecules reflected by clouds reflected by surface latent heat upward long wave radiation 329 downward long wave radiation greenhouse gases sensible heat emitted from emitted from ground figure 7. The potential of a greenhouse gas to cause greenhouse warming is expressed by global warming potential gwp. Climate change is a term that refers to major changes in temperature, rainfall, snow, or wind patterns lasting for decades or longer. What is the main reason why the climate is changing. Keywords greenhouse gas earth climate radiative balance climate. This organization tries to predict the impact of the greenhouse effect according to existing climate models and literature information.
The greenhouse effect greenhouse gases, such as co 2, methane, and nitrous oxide, act like a blanket around the planet. Students will learn how greenhouse gases temporarily trap heat within earths atmosphere, warming our planet via the greenhouse effect. Climate change, greenhouse effect and global warming. Generally, a physical property of the atmosphere of earth is referred by an expression called greenhouse effect.
The greenhouse effect and global warming this pdf covers the greenhouse effect from a chemical perspective by looking at how molecules interact with ir radiation. This knowledge will help us to prepare for and adapt to the effects of climate change. The graphic organizer will be presented to the class. Global warming and climate change multiple choice test. The greenhouse effect is the result of the interaction of the suns energy with greenhouse gases in the earths atmosphere. Frequently asked questions frequently asked question 1. Greenhouse effect and climate change greenhouse effect.
Projected impacts of climate change on the united states, adapted from climate change impacts on the united states. Students will complete an ordering of the steps in the greenhouse effect starting at the sun and identify four. It is expected to have positive values when warming occurs and negative values for cooling. Climate change and the greenhouse effect national climate. The potential consequences of climate variability and change, by the national assessment synthesis team. Students simulate a portion of the greenhouse system using carbon dioxide. Finally, climate change is presented as a problem of risk assessment and management, and quantitative estimates. Chapter 11 climate change department of environmental.
Higher atmospheric concentrations of greenhouse gases, such as carbon dioxide, cause more heat to be trapped. Humans have enhanced the greenhouse effect and are causing climate change. Since the industrial revolution, the components within the earths atmosphere that keep the greenhouse effect constant are no longer in balance. If no action is taken to reduce emissions the level of greenhouse gases in the atmosphere could be. This phenomenon, called the greenhouse effect, is natural and necessary to support life on earth. Greenhouse effect teaching box ucar center for science. Atmospheric trace gases, including water vapor, carbon dioxide, methane, and nitrous oxide. Presentation outline global warming, climate changedefinitions human impact on planet earth global environment degradationcauses, evidences and progression greenhouse earthgases, effects and history carbon dioxide levels, sources and.
The earth is a unique planet where our atmosphere, the oceans. Satellite observations show that about 30% of the suns energy that reaches the earth is reflected back to space by clouds, gases and small particles in the atmosphere, and by the earths. Fossil fuel burning has produced about threequarters of the increase in co2 from human activity over the past 20 years. The greenhouse effect theory was named and the intergovernmental panel on climate change ipcc was founded by the united nations environmental. The greenhouse effect and climate change 45 looking for a greenhouse signal the signal of any humaninduced effect on climate will be superimposed on the background noise of natural climate variability resulting from both internal fluctuations and external causes, as described earlier. Global warning and climate change linkedin slideshare. The effects of global climate change from greenhouse gas emissions ghgs are. Greenhouse gases and their impact on global warming article pdf available in journal of scientific research and reports 176. As a result of climate change, the world is experiencing more. Causes of climate change united states environmental. Historical overview of climate change science chapter 1 frequently asked question 1. References national research council, 2010a, advancing the science of climate change national research council, 2010b, limiting the magnitude of climate change national research council, 2010c, adapting to the impacts of climate change national research council, 2011d, informing an effective response to climate change national research council, 2010e, ocean acidification. After completing this investigation, students will be able to.
Mar 28, 2018 greenhouse effect global warming ppt 1. The effect of climate change on water resources and programs. Greenhouse effect has occurred from increased co in atmosphere. They will answer questions on this article and fill in a graphic organizer. Climate change causes and effects graphic organizer under causes, write down what you think makes climate change occur. Outlook for the future climate models are based on the mathematical equations that represent the laws of earths physics, chemistry and biology. Under effects, write what you think happens because of climate change. Earth climate is determined by the equilibrium between the amount and distribution of incoming radiation absorbed from the sun and the outgoing longwave radiation emitted at the top of the atmosphere.
A primer 2 an honest appraisal of the degree of uncertainty. Lastly, being conservative about risk is quite different from being conservative about accepting theories and observations. Historical overview of climate change science ipcc. In the questions box, note any questions you have, or things you would like to know about the causes and effects of climate change. Climate change refers to changes in these statistics over years, decades, or even centuries.
After all presentations, each group of students will develop a graphic. A greenhouse gas absorbs energy in the wavelenth range 5100. A computer generated typical radiance spectrum of the earth red line and the theoretical or black body. This article describes both the natural greenhouse effect and the increase in the greenhouse effect due to human activity, denoted here the intensified greenhouse effect. An increase in the atmospheric concentrations of greenhouse gases produces a positive climate forcing, or warming effect. The sun powers earths climate, radiating energy at very short. Models can evaluate and isolate the specific causes of climate change and can explore the consequences of. Pdf greenhouse gases and climatic change researchgate. To demonstrate the effectiveness of the greenhouse effect, with natural levels of greenhouse gases in the atmosphere, the earth has an average temperature of about 59 degrees. The index is a composite of several everyday climate indicators. The greenhouse effect is the process in which the absorption and emission of thermal infrared radiation by a planets atmosphere warms that planets surface. Mar 23, 2017 greenhouse effect ppt and pdf free download. The impacts and costs of climate change european commission. Effects of climate change climate change has affected many aspects of our planet.
The greenhouse effect 4 the sun is the primary source of energy for the earths climate. To understand the affects of greenhouse gases on the environment to understand the concept of the greenhouse effect to understand climate change chemistry to understand how green chemistry can help to create solutions to the global challenges. Climate change and the greenhouse effect fact sheet for more information on how you can help our environment, or to make some suggestions of your own, please go to did you know. Burning fossil fuels releases carbon dioxide, a heattrapping gas, into the atmosphere, which is the main reason why the climate is changing. The greenhouse effect theory was named and the intergovernmental panel on climate change ipcc was founded by the united nations environmental programme and the world meteorological organization. A brief tutorial on the greenhouse effect follows and provides. An update 3 the ipcc also concluded that there is new and stronger evidence that most of the warming observed over the last 50 years is likely to have been due to the increase in greenhouse gas emissions. Students will read an article on one effect of climate change global warming in small groups.
Most of the rest is due to land use change, particularly deforestation. The presence of radiatively active gases in the earths atmosphere water vapor, carbon dioxide, and ozone raises its global mean surface temperature by 30 k, making our planet habitable by life as we know it. Relation between greenhouse gases and climate change. Since the industrial revolution, the components within the earths atmosphere that keep. Click on greenhouse gases use the pie chart to list the name of the major greenhouse gas from peoples activities and the %. Climate change from above an introduction to climate. Explain the effect of carbon dioxide on the absorption of heat in the atmosphere. Climate change and the greenhouse effect fact sheet. Greenhouse effect and climate change free download as powerpoint presentation. Effect on climate increasing atmospheric carbon dioxide the intergovernmental panel on climate change reported that the atmosphere is becoming warmer and that is is the result of human activity. Enormous progress has been made in increasing our understanding of climate change.
Carbon dioxide or co2 is the most significant greenhouse gas released by human activities. The climate change agenda has risen substantially in global and national importance and the topic has thus been given a dedicated chapter in this 2. Greenhouse gases absorbs infrared radiation balance of energy of planet gets damage and. Because gases in the earths atmosphere also let in light but trap heat, many people call this phenomenon the greenhouse effect.