Mar 23, 2017 greenhouse effect ppt and pdf free download. They let sunlight pass through the atmosphere, but they prevent the heat that the sunlight brings from leaving the atmosphere. You may download presentation materials individually by selecting the links within the agenda below. Definition of the greenhouse effect detailed diagrams on how the greenhouse effect heats up the earth major. Even, when we sneeze, we considerably create an aerosol. Greenhouse gas simple english wikipedia, the free encyclopedia. Carbon dioxide is the greenhouse gas you hear people talk. Other greenhouse gases are carbon dioxide, methane, nitrous oxide, chlorofluorocarbon and ozone.
Water vapor triggers the formation of positive feedback. When used in the context of greenhouse gas emissions, it refers to the amount of co 2 that would give the same warming effect as the effect of the greenhouse gas or greenhouse gases. The enhanced greenhouse effect leads to increased average global surface temperatures and climate changes. The greenhouse effect is a natural phenomenon that insulates the earth from the cold of space. To understand the greenhouse effect, we need to understand how a real greenhouse works 3. Greenhouse gases trap heat in the atmosphere, which makes the earth warmer. The major greenhouse gases come natural and manmade sources. The problems begin when human activities distort and accelerate the. The ghg footprint of nuclear power at present amounts to 517 gco 2 eqkwh.
People grow vegetables, flowers and other plants in them. They let sunlight pass through the atmosphere, but they prevent the heat that the sunlight brings from leaving the. Forcing greenhouse gases take many years to leave the atmosphere. Water vapor feedback is able to reinforce the warming effect of other greenhouse gases. Of the greenhouse gases, carbon dioxide co 2 is the most prominent. These gases act as insulation for the earth and trap heat radiated by the sun that would otherwise be. Statistics finland is the national entity responsible for the. In addition to the unfccc and the kyoto protocol supplementing it, greenhouse gases must be reported yearly to the eu. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Without certain gases in the atmosphere, life would not have been able to evolve on earth to what we see today. These gases are called greenhouse gases because they produce greenhouse effects trapping heat that leads to increase in average earth temperature global warming refer to section on greenhouse gases.
A lot of the suns energy reaches the ground directly, and a portion is reflected by the ground back into. Sources of atmospheric co 2 include volcanoes, the combustion and decay of organic matter, respiration by aerobic oxygenusing. Ppt greenhouse effect powerpoint presentation free to. Increased greenhouse gas emissions will result in increased average global temperatures. Generally, 100 years is the standard time timeframe that is used. What are greenhouse gases and the greenhouse effect. Most greenhouse gases are natural water vapor is the most common, and causes most of the greenhouse effect on earth.
Specialists indicate that 95% of greenhouse gases represent water vapor. Without greenhouse gases, the earth would be on average 33 degrees celsius colder. Greenhouse gases trap heat and make the planet warmer. Greenhouse effect ppt and pdf free download study mafia. A greenhouse gas sometimes abbreviated ghg is a gas that absorbs and emits radiant energy within the thermal infrared range. Special seminar on greenhouse gases, carbon taxes and trading. Molecules of greenhouse gases, especially water vapor and carbon dioxide, recycle some of the heat. This is two orders of magnitude lower than for conventional coalbased power production. Greenhouse gases a students guide to global climate change. Jan 30, 2017 greenhouse gases vary in not only their sources and the measures needed to control them, but also in how intensely they trap solar heat, how long they last once theyre in the atmosphere, and how they react with other gases and ultimately get flushed out of the air.
As incoming solar radiation is absorbed and reemitted back from the earths surface as. Greenhouse gases absorbs infrared radiation balance of energy of planet gets damage and. These heattrapping gases are called greenhouse gases. A lot of the suns energy reaches the ground directly, and a portion is reflected by the ground back into space. Greenhouse effect powerpoint template sketchbubble. The greenhouse effect is a natural process that warms the earths surface. Greenhouse gases and their effect linkedin slideshare. Feb 22, 2016 the greenhouse effect is a natural process that warms the earths surface.
The contribution of fluorinated greenhouse gases to global warming is projected to triple from nearly 2%. Greenhouse gases ppt 1 greenhouse effect atmosphere of earth. Ppt greenhouse effect powerpoint presentation free to download. Statistics finland is the national entity responsible for the greenhouse gas inventory in finland. In this way, the warming determined by increased levels of co2 will allow more water vapor to be released into the atmosphere. In this lively, animated presentation, professor denning first explains how visible light a form of. Progress in uranium enrichment has recently yielded significant energy intensity reductions. People are adding several types of greenhouse gases to the atmosphere, and each gass effect on climate change depends on three main factors. The contribution that a greenhouse gas makes to the greenhouse effect depends on the amount of it that it is the atmosphere and how much heat that particular gas absorbs and reradiates. Greenhouse gases cause the greenhouse effect on planets. It has the essential ingredient of the greenhouse effect, but it is missing numerous things that are important in the real atmosphere. Avoiding fluorinated greenhouse gases umweltbundesamt. When too many of these gases go into the earths atmosphere, it can result in an increase in global temperatures that is known as the greenhouse effect.
In a greenhouse, the suns heat can come in but cannot go out. Principal technician gordon brailsford and atmospheric scientist katja riedel talk us though how greenhouse gases are measured at the baring head monitoring station. Aerosol is a suspension in any medium like air, liquid or solid particles. The role of nuclear power in mitigating emissions from. The gases that contribute most to the earths greenhouse effect are. List of 5 major greenhouse gases and their sources. Greenhouse effect the earths atmosphere traps sunlight like glass on a greenhouse the earth absorbs the heat and releases it to warm the air the rest of the.
If you would like to download all of the materials using a. Introduction the greenhouse effect is the rise in temperature that the earth experiences because certain gases in the atmosphere water vapor, carbon dioxide, nitrous oxide, and methane, for example trap energy from the sun. Greenhouse gases chapter 4 why some gases are greenhouse gases, but most arent, and some are stronger than others about gases the layer model is what is called an idealization of the real world. A powerpoint presentation designed for my lower set year 10 class covering deforestation and global warming focussing on where co2 and methane come from. Greenhouse effect video scott denning ucar center for science. How a greenhouse works a greenhouse is a house made of glass. Thousands of new, highquality pictures added every day.
Greenhouse gases absorb reflected solar energy, making the earths atmosphere warmer. The contribution that a greenhouse gas makes to the greenhouse effect. Powerpoint presentation global warming and the coming. The problems begin when human activities distort and accelerate the natural process by creating more greenhouse gases in the atmosphere than are necessary to warm the planet to an ideal temperature. Apr 23, 2020 greenhouse gases are gases in earths atmosphere that trap heat. During the day, the sun shines through the atmosphere. Greenhouse gases consist of chemical compounds and make up a significant portion of the atmosphere. Greenhouse gases monitoring references national centers. An explanation of greenhouse gases for the science museums atmosphere exhibition. This trapped heat helps in controlled growth of plants.
Atmospheric concentrations of greenhouse gases are the highest in at least 650,000 years as measured by antarctic ice core samples. People are adding several types of greenhouse gases to the atmosphere, and each gass effect on climate change. These gases act as insulation for the earth and trap heat radiated by the sun that would otherwise be sent back out into space. Greenhouse gases are naturallyoccurring and manmade compounds that trap heat around the earth, making temperatures warm enough to sustain plant and animal life. International agreements usually define global greenhouse gas emissions as the basket of greenhouse gases listed above expressed as co2e assuming a 100year global warming potential. Environmental and ecological chemistry greenhouse gases and global warming timothy j. Sources of atmospheric co 2 include volcanoes, the combustion and decay of organic matter, respiration by aerobic oxygenusing organisms, and the burning of fossil fuels, clearing of land, and production of cement by humans. Increased amounts of greenhouse gases, produced through human activities, act to strengthen the natural greenhouse gas effect. Sep 03, 2017 when used in the context of greenhouse gas emissions, it refers to the amount of co 2 that would give the same warming effect as the effect of the greenhouse gas or greenhouse gases being emitted over a given timeframe. Sustainable energy is the production and use of energy resources in ways that are compatible with longterm human wellbeing and ecological balance. Introduction the greenhouse effect is the rise in temperature that the earth experiences because certain gases in. Generally, a physical property of the atmosphere of earth is referred by an expression called greenhouse effect.
Some gases, when present in the atmosphere, absorb that reflected energy and redirect it back to earth as heat. Introduction the greenhouse effect is the rise in temperature that the earth experiences because certain gases in the atmosphere water. The index compares the combined warming influence of these gases each year to their influence in 1990, the year that countries who signed the u. Greenhouse gases ppt 1 free download as powerpoint presentation. People produce larger amounts of some greenhouse gases than others. The amount of greenhouse gases in our atmosphere is the highest it has been in the last 3 million years.
This greenhouse effect powerpoint template is easily downloadable and editable. The greenhouse effect ppt by keep calm and science on tpt. The main industrial greenhouse gases are halocarbons generic formula cxhyhalz, where hal represents any halogen. Types of greenhouse gases greenhouse gases are gases that trap heat in earths atmosphere.
Greenhouse gases from human activities are the most significant driver of observed climate change since the mid20 th century. Sources of greenhouse gas emissions greenhouse gas ghg. Co 2, ch 4, n 2 o and the fluorinated gases are all wellmixed gases in the atmosphere. Ppt the greenhouse effect powerpoint presentation, free download. In this way, the warming determined by increased levels of co2 will allow more water vapor to be. Highwood line in figure 1 is the instrumental record which stretches back approximately 140 years, the blue line is the reconstructed temperature deduced from tree rings, ice. Greenhouse gases are essential to maintaining the temperature of the earth. Human activities are responsible for almost all of the increase in greenhouse gases in the atmosphere over the last 150 years. Sep, 2017 water vapor feedback is able to reinforce the warming effect of other greenhouse gases. Noaas annual greenhouse gas index aggi is a yearly report on the combined influence of longlived greenhouse gases atmospheric gases that absorb and radiate heat on earths surface temperature. These gases are called greenhouse gases because they produce greenhouse effects trapping heat that leads to increase in average earth temperature global warming refer to section on greenhouse. Greenhouse gases factsheet center for sustainable systems. Apr 23, 2020 the greenhouse effect works much the same way on earth. The enhanced greenhouse effect leads to increased average global.
In addition to the above mentioned gases, there are significant number of gases like ozone that act as the greenhouse gases. An introduction to the major greenhouse gases in the earths atmosphere. Wallington, jayaraman srinivasan, ole john nielsen, ellie j. Introduction, history, causes of greenhouse gases, importance, disadvantages, future, solutions. From decaying wetlands and volcanoes to the food we eat and the energy it takes to provide us with heat and. Forcing greenhouse gases global emissions 2012, international energy agency.
What is the greenhouse effect climate change basics. Greenhouse effect ppt cover slide greenhouse effect ppt slide 1 greenhouse effect ppt slide 2 greenhouse effect ppt. The faq discusses the relative potency, concentration and expected atmopsheric lifetime. The major atmospheric constituents nitrogen, n2 and oxygen, o2 are not greenhouse gases. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. The primary greenhouse gases in earths atmosphere are water vapor h 2 o, carbon dioxide co 2, methane ch 4, nitrous oxide n 2 o, and ozone o 3. Greenhouse gases are gases in earths atmosphere that trap heat.
In this video, professor scott denning of the atmospheric science department at colorado state university explains how greenhouse gases in earths atmosphere warm our planet. Mar 11, 2018 greenhouse gases absorb reflected solar energy, making the earths atmosphere warmer. Mar, 2020 in addition to the unfccc and the kyoto protocol supplementing it, greenhouse gases must be reported yearly to the eu. Greenhouse effect video scott denning ucar center for. Species mixing ratio source water vapour 10,000 to 2 ppmv natural methane 1. The origins of greenhouse gases live green and earn points. Greenhouse gases vary in not only their sources and the measures needed to control them, but also in how intensely they trap solar heat, how long they last once theyre in the atmosphere.
Greenhouse gases are the gases present in the atmosphere which reduce the loss of heat into space and therefore contribute to global temperatures through the greenhouse effect. Greenhouse effect and global warming teaching resources. While the greenhouse effect is an essential environmental prerequisite for life on earth, there really can be too much of a good thing. Gases in the atmosphere, such as carbon dioxide, trap heat just like the glass roof of a greenhouse. Find greenhouse gases stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection. Powerpoint presentation global warming and the coming peaks.
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