PPT: Climate Change | PowerPoint Presentation | PDF: At present, climate change is one among the global difficulties which the people are facing.The temperature of atmosphere and oceans have been increased, there is an increase in sea level, a powerful decrease in Arctic sea ice and along with all these there are other changes too which are related to climate and its change. The Earth's Climate has changed many times, due to natural causes. Current global funding for adaptation is a fraction of this figure and access to these funds for … If you continue browsing the site, you agree to the use of cookies on this website. See our User Agreement and Privacy Policy. Introduction to Climate Change (ICC) module provides students with necessary knowledge, skills and attitudeson a broad range of climate change topics, including causes and impacts of climate change, mitigation and adaptation, application of tools and technologies and effective communications. G. Kukla, Nature (London) 253, 600 (1975). Share Anthropogenic and natural causes of climatic. 329, 10 September, 1987. These perturbations are described by the three main astronomical cycles: eccentricity, precession and obliquity, which together determine the spatial and seasonal pattern of insolation received by the earth [2], eventually resulting in climatic oscillations of ten to hundreds of thousands of year [3].Sun being the main source of energy for the earth system controls the climate of it. One aspect that has been greatly affected by climate change is the weather. Cows and sheep produce large amounts of methane when they digest their food. Effects of Climate Change Climate change has affected many aspects of our planet. Australian National University; Now customize the name of a clipboard to store your clips. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 6. Trends are largely controlled by plate tectonics, and thus to change gradually on million year time scale. **There have been at least 4 Ice Ages in the last 3 million years - with only a 5oC cooler difference! In addition to natural causes of climate change, changes internal to the climate system, such as variations. CAUSES ANDEFFECTS OFCLIMATE CHANGEDate: 24th November 2012Presented by: NARAINO MAJIENabiilah. 1. Res. 2. References: 1. Remote sensing application in agriculture & forestry_Dr Menon A R R (The Kera... No public clipboards found for this slide. Authors: David Ian Stern. Res. The PowerPoint is clearly structured with; - A starter to assess prior knowledge - focus here is on natural causes of climate change, then after the introduction of learning objectives another to assess prior knowledge of human causes of climate change. Causes of climate change - human and natural factors A natural function of the Earth's atmosphere is to keep in some of the heat that is lost from the Earth. The template allows your audience to acknowledge the impact of climate change… The PowerPoint PPT presentation: The Earth’s climate is dynamic and characterised by trends, aberrations and quasi-periodic oscillations varying over a broad range of time-scales [1], which are governed by external (extraterrestrial systems) and/or internal(ocean, atmosphere and land system). Climate data from volcanic events indicate that just one large eruption is enough to cause global cooling of around 0.3°C and between 1 and 2 years. You can change your ad preferences anytime. These impacts include changes in the growth and distribution of plants, animals and insects. Remove this presentation Flag as Inappropriate I Don't Like This I like this Remember as a Favorite. Volcanic eruptions also force all elements of the climatic systems up to a varying degree but producing long term climatic signals in the ocean. Volcanic Eruptions. There are both natural and manmade causes, and the global temperature we have today is likely an outcome of the interaction between the two types of factors. K. Fuhrer, E. W. Wolf, S. J. Johnsen, J. Geophys. 5. The quasi-periodic oscillations are mostly astronomically paced; they are driven by astronomical perturbations that affect the earth’s orbit around the sun and the orientation of earth’s rotation axis with respect to its orbital plane. Whether the cause is natural or human-driven, global warming is a serious issue that everyone should be aware of. Things that can cause the climate to change are… Point out: When we talk about climate change we are talking about distinct changes in the average state over long periods of time. simple. Variation in solar activity and cosmic ray intensity has direct influence over climatic features such as cloudiness, temperature and rainfall [4]. 5 This corresponds to 0.2–0.8 per cent of global investment flows, or just 0.06–0.21 per cent of projected global GDP, in 2030. Get the plugin now. 3. Long term & short term effects of climate 2, No public clipboards found for this slide. P. Hut, W. Alvarez, W. P. Elder, T. Hansen, E. G. Kauffman, G. Keller, E. M. Shoemaker & P. R. Weissman, Nature Vol. Trees help to regulate the climate by absorbing CO2 from the atmosphere. You have learned about these orbital changes in the Temperature over Time module. These fluctuations include changes in the shape (eccentricity) of Earth’s orbit every ~100,000 years, the tilt (obliquity) of Earth’s axis every ~41,000 years, and the wobbling (precession) of Earth’s axis a… The cumulative volcanic cooling effect at present offsets about one third of anthropogenic warming [5].Other than these causes paleoclimatologists also relates the past climate changes with movement of solar system[6], interplanetary dusts and influence of asteroids[7].However the recent variability in climate what earth is experiencing is unlikely due to any of the individual above factors rather it is due to the compound effect of complex interactions of all the natural as well as anthropogenic forcings. Cutting down forests (deforestation). J. D. Hays, J. Imbrie, N. J. Shackleton, Science 194 (1876) 1121-1132. Over the past one million years, the Earth has experienced a series of ice-ages ('glacial periods') and warme… 104(D24) (1999) 31043-31052 7. T. L. Delworth, V. Ramaswamy, G. L. Stenchikov, Geophys. In Romania, for instance, extreme weather events have multiplied since 2002. urghila et al. Climate change is a phrase that is often used interchangeably with the phrases global warming or the greenhouse effect. 32 (2005) L24709. This is known as the greenhouse effect . PPT – Natural Causes of Climate Change PowerPoint presentation | free to download - id: 5d2fc3-YWM5M. Before we can start blaming motorists, electricity consumers or airline passengers for contributing to climate change, we need to recognise that a changing climate is nothing new. 1. Now customize the name of a clipboard to store your clips. 3. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Natural causes of climate change. Natural Variations. The Milankovitch Theory explains the 3 cyclical changes in Earth’s orbit and tilt that cause the climate fluctuations that occur over tens of thousands of years to hundreds of thousands of years. The last began about 70,000 years ago, and ended 10,000 years ago. J. C. Zachos, M. Pagani, L. Sloan, E. Thomas, K. Billups, Science 292 (2001) 686-693. N. Marsh, H. Swensmark, Space Sci. “Climate change” refers to the increasing changes in the measures of climate over a long period of time – including Title: CLIMATE CHANGE 1 C Division of Agricultural See our Privacy Policy and User Agreement for details. However, these phrases are not exact synonyms. Global warming: The overall cause of climate change is the warming of the earth’s atmosphere. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Internal Changes 1.Plate tectonics 2.Natural disasters 3.Atmospheric changes 4.Climate change 5.Rising & falling sea level ; Slide 9 ; Plate Tectonics ; Slide 10 ; Earths surface is broken into plates Plates move Geology happens where the plates interact with one another ; Slide 11 Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Burning coal, oil and gas produces carbon dioxide and nitrous oxide. The clearest today’s impacts of climate change is seen in the natural environment. Fertilisers containing n… The Adobe Flash plugin is needed to view this content. Increasing livestock farming. In ocean currents or atmospheric circulation, can also influence the climate for short periods of time. Volcanic Activity; Volcanic activity is well known to change the climate. Natural causes There are a number of natural factors responsible for climate change. Looks like you’ve clipped this slide to already. Clipping is a handy way to collect important slides you want to go back to later. Climate Change I. https://www.slideshare.net/Nabiilah/causes-and-effects-of-climate-change Ideal for academic and professional presentations. 1. Looks like you’ve clipped this slide to already. Until recently, natural factors have been the cause of these changes. Recent climate changes have had widespread impacts on human and natural systems. Give an educational presentation on climate change and the risks and create awareness with our climate change PowerPoint presentation Template. Internal variations in the Earth’s climate system may be caused by changes in the concentrations of atmospheric gases, mountain building, volcanic activity, and changes in the surface or atmospheric albedo (www.cheron.com) However, some climatologists are of the opinion that only a limited number of factors are primarily responsible for most of the past episodes of climate … Natural Causes of Global Warming 1: Solar Activity The climate on Earth has been changing since it formed 4.5 billion years ago. If you continue browsing the site, you agree to the use of cookies on this website. Natural causes of climate change by lemonellie2000 teaching. This natural internal climate variability is superimposed on the long-term forced climate change. Physics. Global warming natural vs. Manmade causes compared by. https://www.slideshare.net/debasishagri/natural-causes-of-climate-change Major Causes of climate change. See our Privacy Policy and User Agreement for details. So when they are cut down, that beneficial effect is lost and the carbon stored in the trees is released into the atmosphere, adding to the greenhouse effect. Human activity is changing our climate! According to the Intergovernmental Panel on Climate Change, whose documents are considered the most authorita- Climate change effects are one of the greatest crises the mankind is facing As some environments warm (e.g. The causes of climate change can be divided into two categories - those that are due to natural causes and those that are created by man. Human Activity. When energy from the sun is reflected off the earth and back into space (mostly by clouds and ice), or when the earth’s atmosphere releases energy, the planet cools Actions. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. - Climate Change Workshop Presentation Rod Duncan Charles Sturt University Institute for Land, Water and Society What is an economist not going to talk about? You can change your ad preferences anytime. Debasish Chakraborty Here we can look at the natural causes of climate change, including asteroid collisions, orbital changes, volcanic activity and variations in solar output. 94 (2000) 215-230. 2. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Roll No - 4843 to climate change. Natural causes of climate Environmental History What causes natural environmental change? 2. Anthropogenic and natural causes of climate change. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Rev. stated in “limate hange Effects- … 1. This lesson aims to get students to think about the 3 main theories behind the natural causes of climate change; Orbital Theory, Solar Output Theory and Eruption Theory. Clipping is a handy way to collect important slides you want to go back to later. The climate change template houses diverse designs and attractive layouts in each slide for high audience engagement. If you continue browsing the site, you agree to the use of cookies on this website. See our User Agreement and Privacy Policy. change Natural influences on the climate include volcanic eruptions, changes in the orbit of the Earth, and shifts in the Earth's crust (known as plate tectonics). to Climate Change The physical processes that cause climate change are scientifically well documented: both human activities and natural variability are contributing to global and regional warming. 4. Lett. climate change and its effect on agriculture, Approaches for crop et estimation at field scale, Crops yield estimation through remote sensing. November 2014; Climatic Change 122(1-2) DOI: 10.1007/s10584-013-1007-x. Four major continental glaciations are recorded in North America. If you continue browsing the site, you agree to the use of cookies on this website. The UN Panel on Climate Change finds that average Arctic temperatures have increased at almost twice the global average rate in the past 100 years. Aberrations occur when the certain thresholds are passed and are manifested in the geological record as the unusual rapid (less than a few thousands of years) or extreme change in climate. 4. Ice Ages in the natural environment volcanic activity ; volcanic activity ; volcanic activity is well to! Often used interchangeably with the phrases global warming is a serious issue that everyone should be of. Pagani, L. Sloan, E. W. Wolf, S. J. Johnsen, J. Imbrie N.! 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