Global warming
•Download as PPTX, PDF•
0 likes•189 views
Global warming is associated with climate change that may have natural or human-caused factors. The main effect of global warming is the greenhouse effect, where gases like CO2 in the atmosphere absorb and retain heat radiated from the Earth's surface due to solar warming.
Report
Share
Report
Share
Recommended
Lesson 4
This document contains a lesson plan for teaching 4th grade students about climate change. The plan is divided into 7 sections that will take 1-2 hours total to cover. Section 1 introduces climate change and recent climate history. Section 2 explains the greenhouse effect. Section 3 discusses human activities that cause climate change like burning fossil fuels. Section 4 covers why climate change matters and what can be done. Sections 5-6 discuss solutions at the government and individual level. Section 7 is a summary. Accompanying the lesson plan are downloadable images and teacher notes to explain key concepts.
Norvergence Foundation INC - Does Sun Cause the Global Warming.pdf
While the sun plays a role in Earth's climate by warming the planet and influencing ice ages through changes in the planet's orbit, the current warming trend is too rapid and intense to be explained by solar activity alone. According to the IPCC, human-caused greenhouse gas emissions account for most modern warming, as solar variations only have a minor impact. Researchers have also ruled out a primary solar influence because if the sun's energy output increased, all layers of the atmosphere would be expected to warm uniformly, which is not observed.
Global warming in_globalisation..by deepak iipm
Global warming is causing the world's temperature to rise at an unprecedented rate. The average global temperature has increased by 1.1°F over the past century and 2010 was the hottest year on record at 14.63°C. If emissions are not reduced, the IPCC predicts temperature will increase by 2.5-10.4°F over the next century. This warming is trapping more heat in the atmosphere and causing glaciers to melt, sea levels to rise up to 43cm, and more severe weather. Nations have made agreements to cut emissions and reduce the impacts of global warming.
Global Climate Change-CMC
The document discusses whether global climate change is man-made. It summarizes that while the climate has changed naturally in the past due to the greenhouse effect, the Intergovernmental Panel on Climate Change claims most recent climate change over the last 50 years is due to human activities like burning fossil fuels and deforestation. It notes that carbon dioxide levels have risen faster since the Industrial Revolution, trapping heat in the atmosphere. While some argue climate change is natural, many scientists and countries that signed the Kyoto Protocol argue we need to reduce carbon dioxide emissions to mitigate further climate change impacts.
Causes Of Climate Change
The document discusses several potential causes of climate change, including both natural and human factors that can lead to cooling or warming. It describes how the Milankovitch cycles have coincided with ice ages in the past. El Nino and La Nina events involve changes in ocean circulation patterns in the Pacific that impact global weather. The albedo effect describes how ice and snow reflect solar radiation and cool the climate. Deforestation reduces carbon absorption and lowers albedo, while fossil fuel burning increases the greenhouse effect. Volcanic eruptions can cool the climate temporarily by reflecting sunlight.
Is climate change natural or man made?
This document discusses whether climate change is natural or man-made. It first defines climate change as a change directly or indirectly caused by human activity that alters the atmosphere's composition beyond natural variability. It then outlines opinions on the issue and parameters to measure climate change such as temperature, precipitation, sea level, solar activity, volcanic activity, and chemical composition. While some argue multiple factors can cause climate change, data on temperature, precipitation, sea level, and chemical composition suggest human activity is the dominant cause of current climate change. The document concludes natural cycles only have a small effect and recommendations are provided for mitigating climate change.
The natural causes of climate change
Large volcanic eruptions can cool the global climate by ejecting ash and sulfur dioxide into the stratosphere, where they reflect sunlight back into space. The 1991 eruption of Mount Pinatubo cooled the planet by 0.5°C for about a year by reducing sunlight by 10%. Even larger eruptions like Tambora in 1815 and Krakatoa in 1883 lowered global temperatures more significantly for multiple years.
Natural causes of climate change
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). Trends are largely controlled by plate tectonics, and thus to change gradually on million year time scale. 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. 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. 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. Variation in solar activity and cosmic ray intensity has direct influence over climatic features such as cloudiness, temperature and rainfall [4]. Volcanic eruptions also force all elements of the climatic systems up to a varying degree but producing long term climatic signals in the ocean. 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.
References:
1. J. C. Zachos, M. Pagani, L. Sloan, E. Thomas, K. Billups, Science 292 (2001) 686-693.
2. G. Kukla, Nature (London) 253, 600 (1975).
3. J. D. Hays, J. Imbrie, N. J. Shackleton, Science 194 (1876) 1121-1132.
4. N. Marsh, H. Swensmark, Space Sci. Rev. 94 (2000) 215-230.
5. T. L. Delworth, V. Ramaswamy, G. L. Stenchikov, Geophys. Res. Lett. 32 (2005) L24709.
6. K. Fuhrer, E. W. Wolf, S. J. Johnsen, J. Geophys. Res. 104(D24) (1999) 31043-31052
7. P. Hut, W. Alvarez, W. P. Elder, T. Hansen, E. G. Kauffman, G. Keller, E. M. Shoemaker & P. R. Weissman, Nature Vol. 329, 10 September, 1987
Recommended
Lesson 4
This document contains a lesson plan for teaching 4th grade students about climate change. The plan is divided into 7 sections that will take 1-2 hours total to cover. Section 1 introduces climate change and recent climate history. Section 2 explains the greenhouse effect. Section 3 discusses human activities that cause climate change like burning fossil fuels. Section 4 covers why climate change matters and what can be done. Sections 5-6 discuss solutions at the government and individual level. Section 7 is a summary. Accompanying the lesson plan are downloadable images and teacher notes to explain key concepts.
Norvergence Foundation INC - Does Sun Cause the Global Warming.pdf
While the sun plays a role in Earth's climate by warming the planet and influencing ice ages through changes in the planet's orbit, the current warming trend is too rapid and intense to be explained by solar activity alone. According to the IPCC, human-caused greenhouse gas emissions account for most modern warming, as solar variations only have a minor impact. Researchers have also ruled out a primary solar influence because if the sun's energy output increased, all layers of the atmosphere would be expected to warm uniformly, which is not observed.
Global warming in_globalisation..by deepak iipm
Global warming is causing the world's temperature to rise at an unprecedented rate. The average global temperature has increased by 1.1°F over the past century and 2010 was the hottest year on record at 14.63°C. If emissions are not reduced, the IPCC predicts temperature will increase by 2.5-10.4°F over the next century. This warming is trapping more heat in the atmosphere and causing glaciers to melt, sea levels to rise up to 43cm, and more severe weather. Nations have made agreements to cut emissions and reduce the impacts of global warming.
Global Climate Change-CMC
The document discusses whether global climate change is man-made. It summarizes that while the climate has changed naturally in the past due to the greenhouse effect, the Intergovernmental Panel on Climate Change claims most recent climate change over the last 50 years is due to human activities like burning fossil fuels and deforestation. It notes that carbon dioxide levels have risen faster since the Industrial Revolution, trapping heat in the atmosphere. While some argue climate change is natural, many scientists and countries that signed the Kyoto Protocol argue we need to reduce carbon dioxide emissions to mitigate further climate change impacts.
Causes Of Climate Change
The document discusses several potential causes of climate change, including both natural and human factors that can lead to cooling or warming. It describes how the Milankovitch cycles have coincided with ice ages in the past. El Nino and La Nina events involve changes in ocean circulation patterns in the Pacific that impact global weather. The albedo effect describes how ice and snow reflect solar radiation and cool the climate. Deforestation reduces carbon absorption and lowers albedo, while fossil fuel burning increases the greenhouse effect. Volcanic eruptions can cool the climate temporarily by reflecting sunlight.
Is climate change natural or man made?
This document discusses whether climate change is natural or man-made. It first defines climate change as a change directly or indirectly caused by human activity that alters the atmosphere's composition beyond natural variability. It then outlines opinions on the issue and parameters to measure climate change such as temperature, precipitation, sea level, solar activity, volcanic activity, and chemical composition. While some argue multiple factors can cause climate change, data on temperature, precipitation, sea level, and chemical composition suggest human activity is the dominant cause of current climate change. The document concludes natural cycles only have a small effect and recommendations are provided for mitigating climate change.
The natural causes of climate change
Large volcanic eruptions can cool the global climate by ejecting ash and sulfur dioxide into the stratosphere, where they reflect sunlight back into space. The 1991 eruption of Mount Pinatubo cooled the planet by 0.5°C for about a year by reducing sunlight by 10%. Even larger eruptions like Tambora in 1815 and Krakatoa in 1883 lowered global temperatures more significantly for multiple years.
Natural causes of climate change
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). Trends are largely controlled by plate tectonics, and thus to change gradually on million year time scale. 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. 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. 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. Variation in solar activity and cosmic ray intensity has direct influence over climatic features such as cloudiness, temperature and rainfall [4]. Volcanic eruptions also force all elements of the climatic systems up to a varying degree but producing long term climatic signals in the ocean. 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.
References:
1. J. C. Zachos, M. Pagani, L. Sloan, E. Thomas, K. Billups, Science 292 (2001) 686-693.
2. G. Kukla, Nature (London) 253, 600 (1975).
3. J. D. Hays, J. Imbrie, N. J. Shackleton, Science 194 (1876) 1121-1132.
4. N. Marsh, H. Swensmark, Space Sci. Rev. 94 (2000) 215-230.
5. T. L. Delworth, V. Ramaswamy, G. L. Stenchikov, Geophys. Res. Lett. 32 (2005) L24709.
6. K. Fuhrer, E. W. Wolf, S. J. Johnsen, J. Geophys. Res. 104(D24) (1999) 31043-31052
7. P. Hut, W. Alvarez, W. P. Elder, T. Hansen, E. G. Kauffman, G. Keller, E. M. Shoemaker & P. R. Weissman, Nature Vol. 329, 10 September, 1987
Cambio climatico
Climate change refers to changes in weather patterns over time due to an increase in temperature caused by greenhouse gases trapping heat in the atmosphere. The two main phenomena associated with climate change are the greenhouse effect and global warming. The greenhouse effect occurs when gases like carbon dioxide in the atmosphere prevent heat from escaping, similar to the way a greenhouse retains heat. Global warming describes the rise in average temperatures worldwide due to these increased greenhouse gases. If climate change continues unchecked, its effects will include further temperature increases, changes to ecosystems, and threats to human health and agriculture.
Lesson 4
This lesson plan aims to teach 4th grade students about climate change, the greenhouse effect, their carbon footprint, and actions they can take to reduce it. The plan is structured in 7 sections over 1-2 hours covering topics such as the causes and impacts of climate change, the greenhouse effect, human contributions including burning fossil fuels, and individual actions. It includes a PowerPoint presentation and downloadable images to illustrate concepts like rising global temperatures and melting glaciers based on scientific reports.
1.1 revision class 2014
This document provides information and guidance for a Year 11 Geo exam on extreme natural events. It outlines the exam date, required materials, and examiner expectations. Volcanic eruptions are chosen as the natural event, with case studies of Mt. Tarawera in 1886 and Mt. Pinatubo in 1991 recommended for study. The document provides detailed descriptions of the natural processes leading to volcanic eruptions and the effects on cultural and natural environments. It also discusses characteristics making environments vulnerable and how different groups have responded over the short and long term. Diagrams are suggested to help explain concepts. Students are advised to thoroughly learn facts about two case studies.
Science climate project
Long and Short Term Changes of Climate discusses various factors that cause changes in climate over both small and long terms. Small-term changes are caused by volcanic eruptions, small variations in solar radiation, and shifts in air and ocean currents. Long-term changes are influenced by changes in Earth's energy balance, orbital variations, glacial activity, plate tectonics, and human influences like fossil fuel usage. The document also discusses how climate change can affect animals and ecosystems, as well as how scientists monitor and study climate change.
Some Climate Factors
The document discusses several key climate factors that influence a region's climate:
1) Proximity to oceans and seas regulates temperatures, while distance from oceans leads to greater seasonal variation. Ocean currents also influence temperatures.
2) Prevailing winds can push warm or cold air currents and affect storm patterns.
3) Elevation impacts temperature, with mountainous areas generally cooler and low-lying coastal areas warmer.
4) Proximity to the equator determines temperature, with areas closer to the equator experiencing warmer climates.
Lec 1 weather_ climate_greenhouse_effect
This document provides definitions of weather and climate, noting that weather is atmospheric conditions at a given time while climate refers to long-term averages and statistics. It discusses climate variability, which refers to fluctuations around the mean temperature, and climate change, which is a long-term trend responding to a forcing factor. Positive feedback loops can cause dramatic climate change through self-reinforcing effects, while negative feedback acts to stabilize the climate system. The greenhouse effect naturally regulates Earth's temperature, but human emissions of greenhouse gases are enhancing this effect and raising global temperatures beyond natural variability. There is still uncertainty around how exactly the climate system will respond to increased CO2 levels.
IPCC report key take-aways
5 key take-aways from the latest IPCC Climate Report.
More information here: https://lnkd.in/eKiJmnic
Climate System
The document discusses the Earth's climate system and factors that can cause climate change. It defines climate as the long-term atmospheric conditions of an area, whereas weather refers to short-term conditions. Climate change occurs when factors like greenhouse gases, solar variability, volcanic eruptions, and human activities disrupt the global energy balance. The climate system includes interactions between the atmosphere, oceans, ice sheets, and land that influence heat distribution.
What difference between weather and climate?
What difference between weather and climate? The climate at a given location on the globe is called the regional climate. It is defined by the statistical characteristics of local weather conditions, obtained over a long period of time. The regional climate informs us about the seasonal variations typical of a region.
Presentation
Global warming is the gradual increase in the overall temperature of the earth's atmosphere caused by increased levels of greenhouse gases like carbon dioxide from human activities like burning fossil fuels and deforestation. The greenhouse effect occurs when gases in the atmosphere trap heat radiating from the earth's surface, and natural causes include volcanoes and ocean currents, while human causes are activities that release greenhouse gases. Effects of global warming include rising sea levels, more extreme weather, threats to human health and agriculture, and economic impacts. Prevention efforts focus on sustainable and renewable energy sources, efficient use of resources, and responsible consumption.
Long term & short term effects of climate
This document discusses both long-term and short-term causes of climate change. Long-term causes occurring over millions of years include continental drift, changes in Earth's orbit and tilt, which affect ocean currents and temperatures. Short-term causes operating over decades to thousands of years include volcanic eruptions, which eject particles that block sunlight, and shifts in ocean and air currents driven by wind and temperature changes. Together, these natural factors have triggered shifts between ice ages and warmer periods throughout Earth's history.
Master Naturalist Presentation: Weather and Climate
The document discusses various factors that influence weather and climate, including the sun, Earth's orbit and tilt, ocean currents, greenhouse gases, and human activities. It provides details on climate cycles driven by changes in eccentricity, obliquity and precession of Earth's orbit over thousands of years. Climate variations also occur over shorter timescales due to phenomena like El Nino. The document examines how climate change is affecting Virginia's ecosystems and species.
Why Does Climate Change
Climate change occurs over long, medium, and short terms.
Long term climate cycles, like variations in Earth's orbit and axial tilt that occur over tens of thousands of years, influence how much sunlight reaches Earth.
Medium term changes over hundreds of years may be linked to solar output variations from sunspot activity levels.
Short term volcanic eruptions can temporarily block sunlight with ash particles, lowering temperatures for months or years, like the 1815 Tambora eruption caused a "year without a summer" and famine.
Climatic systems major components and implications in agricultural planning
This document discusses the components of climatic systems and their implications for agricultural planning. It defines climatic systems as consisting of five major components: the atmosphere, hydrosphere, cryosphere, land surface, and biosphere. It describes each of these components and their interactions. The document then discusses how understanding climatic systems can inform various aspects of agricultural planning, such as selecting crop varieties suited to local climates, managing frost and drought risks, and adapting to climate change.
Solar variation and climatic changes
This document discusses the relationship between solar variation and climatic changes. It introduces that the sun provides the energy that drives Earth's climate and any changes in the sun's output can affect the climate. It then covers topics like how solar variation is measured, records of past solar activity, the relationship between solar activity and historical climate changes like the Little Ice Age, and conclusions that the climate appears to be highly sensitive even to small changes in solar irradiance.
Tshepo climate change presetation
Climate change refers to changes in global weather conditions, especially an increase in temperature and storm activity, that occur over long periods of time. These changes are threatening our environment and lives. Urgent action is needed to reduce greenhouse gas emissions and mitigate the effects of climate change.
Climate Change
This document provides an overview of climate change, including definitions, evidence, causes, impacts, and ways to control it. It begins by defining climate change and distinguishing it from weather change. It then outlines various physical evidence of climate change, such as rising global temperatures and sea levels. Major causes of climate change discussed include greenhouse gas emissions from human activities like burning fossil fuels. Impacts described are more extreme weather, rising seas, species extinction, and effects on countries like Pakistan. The document concludes by discussing approaches to address climate change through mitigation, adaptation, and climate engineering.
Albedo and Radiation
This Presentation covers the following topics:-
-Radiation
-Albedo
-Factors affecting albedo
-Albedo-ice feedback
-Impacts of Albedo On Environment
-Heat island effect
-Innovative ways to reduce albedo
-Insolation effects
-Black body
-Kirchhoff's perfect black bodies
Credits - Aditi Shah
Climatology
Climatology seeks to explain the causes of different climates, their variations, effects on vegetation, and interactions with human societies. It analyzes weather and climate elements. Climate is defined as the weather conditions prevailing in an area over a long period. Weather describes atmospheric conditions at a given time. Climatology examines climate data from ice cores and ocean sediments dating back millions of years. It also studies how climate has changed in recent centuries and decades due to human activities like fossil fuel use and deforestation. Applied climatology explores relationships between climate and other phenomena like agriculture, human health, and industries.
An Overview of the Climate System
An Overview of the Climate SystemCCAFS | CGIAR Research Program on Climate Change, Agriculture and Food Security
CCAFS workshop titled "Using Climate Scenarios and Analogues for Designing Adaptation Strategies in Agriculture," 19-23 September in Kathmandu, Nepal. The Torch - United Workers Party
The United Workers Party continues to take its message of change to the Saint Lucian public by releasing the first issue of its Newspaper- "The Torch" showcasing the work that the UWP has done in the last 3 years
More Related Content
What's hot
Cambio climatico
Climate change refers to changes in weather patterns over time due to an increase in temperature caused by greenhouse gases trapping heat in the atmosphere. The two main phenomena associated with climate change are the greenhouse effect and global warming. The greenhouse effect occurs when gases like carbon dioxide in the atmosphere prevent heat from escaping, similar to the way a greenhouse retains heat. Global warming describes the rise in average temperatures worldwide due to these increased greenhouse gases. If climate change continues unchecked, its effects will include further temperature increases, changes to ecosystems, and threats to human health and agriculture.
Lesson 4
This lesson plan aims to teach 4th grade students about climate change, the greenhouse effect, their carbon footprint, and actions they can take to reduce it. The plan is structured in 7 sections over 1-2 hours covering topics such as the causes and impacts of climate change, the greenhouse effect, human contributions including burning fossil fuels, and individual actions. It includes a PowerPoint presentation and downloadable images to illustrate concepts like rising global temperatures and melting glaciers based on scientific reports.
1.1 revision class 2014
This document provides information and guidance for a Year 11 Geo exam on extreme natural events. It outlines the exam date, required materials, and examiner expectations. Volcanic eruptions are chosen as the natural event, with case studies of Mt. Tarawera in 1886 and Mt. Pinatubo in 1991 recommended for study. The document provides detailed descriptions of the natural processes leading to volcanic eruptions and the effects on cultural and natural environments. It also discusses characteristics making environments vulnerable and how different groups have responded over the short and long term. Diagrams are suggested to help explain concepts. Students are advised to thoroughly learn facts about two case studies.
Science climate project
Long and Short Term Changes of Climate discusses various factors that cause changes in climate over both small and long terms. Small-term changes are caused by volcanic eruptions, small variations in solar radiation, and shifts in air and ocean currents. Long-term changes are influenced by changes in Earth's energy balance, orbital variations, glacial activity, plate tectonics, and human influences like fossil fuel usage. The document also discusses how climate change can affect animals and ecosystems, as well as how scientists monitor and study climate change.
Some Climate Factors
The document discusses several key climate factors that influence a region's climate:
1) Proximity to oceans and seas regulates temperatures, while distance from oceans leads to greater seasonal variation. Ocean currents also influence temperatures.
2) Prevailing winds can push warm or cold air currents and affect storm patterns.
3) Elevation impacts temperature, with mountainous areas generally cooler and low-lying coastal areas warmer.
4) Proximity to the equator determines temperature, with areas closer to the equator experiencing warmer climates.
Lec 1 weather_ climate_greenhouse_effect
This document provides definitions of weather and climate, noting that weather is atmospheric conditions at a given time while climate refers to long-term averages and statistics. It discusses climate variability, which refers to fluctuations around the mean temperature, and climate change, which is a long-term trend responding to a forcing factor. Positive feedback loops can cause dramatic climate change through self-reinforcing effects, while negative feedback acts to stabilize the climate system. The greenhouse effect naturally regulates Earth's temperature, but human emissions of greenhouse gases are enhancing this effect and raising global temperatures beyond natural variability. There is still uncertainty around how exactly the climate system will respond to increased CO2 levels.
IPCC report key take-aways
5 key take-aways from the latest IPCC Climate Report.
More information here: https://lnkd.in/eKiJmnic
Climate System
The document discusses the Earth's climate system and factors that can cause climate change. It defines climate as the long-term atmospheric conditions of an area, whereas weather refers to short-term conditions. Climate change occurs when factors like greenhouse gases, solar variability, volcanic eruptions, and human activities disrupt the global energy balance. The climate system includes interactions between the atmosphere, oceans, ice sheets, and land that influence heat distribution.
What difference between weather and climate?
What difference between weather and climate? The climate at a given location on the globe is called the regional climate. It is defined by the statistical characteristics of local weather conditions, obtained over a long period of time. The regional climate informs us about the seasonal variations typical of a region.
Presentation
Global warming is the gradual increase in the overall temperature of the earth's atmosphere caused by increased levels of greenhouse gases like carbon dioxide from human activities like burning fossil fuels and deforestation. The greenhouse effect occurs when gases in the atmosphere trap heat radiating from the earth's surface, and natural causes include volcanoes and ocean currents, while human causes are activities that release greenhouse gases. Effects of global warming include rising sea levels, more extreme weather, threats to human health and agriculture, and economic impacts. Prevention efforts focus on sustainable and renewable energy sources, efficient use of resources, and responsible consumption.
Long term & short term effects of climate
This document discusses both long-term and short-term causes of climate change. Long-term causes occurring over millions of years include continental drift, changes in Earth's orbit and tilt, which affect ocean currents and temperatures. Short-term causes operating over decades to thousands of years include volcanic eruptions, which eject particles that block sunlight, and shifts in ocean and air currents driven by wind and temperature changes. Together, these natural factors have triggered shifts between ice ages and warmer periods throughout Earth's history.
Master Naturalist Presentation: Weather and Climate
The document discusses various factors that influence weather and climate, including the sun, Earth's orbit and tilt, ocean currents, greenhouse gases, and human activities. It provides details on climate cycles driven by changes in eccentricity, obliquity and precession of Earth's orbit over thousands of years. Climate variations also occur over shorter timescales due to phenomena like El Nino. The document examines how climate change is affecting Virginia's ecosystems and species.
Why Does Climate Change
Climate change occurs over long, medium, and short terms.
Long term climate cycles, like variations in Earth's orbit and axial tilt that occur over tens of thousands of years, influence how much sunlight reaches Earth.
Medium term changes over hundreds of years may be linked to solar output variations from sunspot activity levels.
Short term volcanic eruptions can temporarily block sunlight with ash particles, lowering temperatures for months or years, like the 1815 Tambora eruption caused a "year without a summer" and famine.
Climatic systems major components and implications in agricultural planning
This document discusses the components of climatic systems and their implications for agricultural planning. It defines climatic systems as consisting of five major components: the atmosphere, hydrosphere, cryosphere, land surface, and biosphere. It describes each of these components and their interactions. The document then discusses how understanding climatic systems can inform various aspects of agricultural planning, such as selecting crop varieties suited to local climates, managing frost and drought risks, and adapting to climate change.
Solar variation and climatic changes
This document discusses the relationship between solar variation and climatic changes. It introduces that the sun provides the energy that drives Earth's climate and any changes in the sun's output can affect the climate. It then covers topics like how solar variation is measured, records of past solar activity, the relationship between solar activity and historical climate changes like the Little Ice Age, and conclusions that the climate appears to be highly sensitive even to small changes in solar irradiance.
Tshepo climate change presetation
Climate change refers to changes in global weather conditions, especially an increase in temperature and storm activity, that occur over long periods of time. These changes are threatening our environment and lives. Urgent action is needed to reduce greenhouse gas emissions and mitigate the effects of climate change.
Climate Change
This document provides an overview of climate change, including definitions, evidence, causes, impacts, and ways to control it. It begins by defining climate change and distinguishing it from weather change. It then outlines various physical evidence of climate change, such as rising global temperatures and sea levels. Major causes of climate change discussed include greenhouse gas emissions from human activities like burning fossil fuels. Impacts described are more extreme weather, rising seas, species extinction, and effects on countries like Pakistan. The document concludes by discussing approaches to address climate change through mitigation, adaptation, and climate engineering.
Albedo and Radiation
This Presentation covers the following topics:-
-Radiation
-Albedo
-Factors affecting albedo
-Albedo-ice feedback
-Impacts of Albedo On Environment
-Heat island effect
-Innovative ways to reduce albedo
-Insolation effects
-Black body
-Kirchhoff's perfect black bodies
Credits - Aditi Shah
Climatology
Climatology seeks to explain the causes of different climates, their variations, effects on vegetation, and interactions with human societies. It analyzes weather and climate elements. Climate is defined as the weather conditions prevailing in an area over a long period. Weather describes atmospheric conditions at a given time. Climatology examines climate data from ice cores and ocean sediments dating back millions of years. It also studies how climate has changed in recent centuries and decades due to human activities like fossil fuel use and deforestation. Applied climatology explores relationships between climate and other phenomena like agriculture, human health, and industries.
An Overview of the Climate System
An Overview of the Climate SystemCCAFS | CGIAR Research Program on Climate Change, Agriculture and Food Security
CCAFS workshop titled "Using Climate Scenarios and Analogues for Designing Adaptation Strategies in Agriculture," 19-23 September in Kathmandu, Nepal. What's hot (20)
Master Naturalist Presentation: Weather and Climate
Master Naturalist Presentation: Weather and Climate
Climatic systems major components and implications in agricultural planning
Climatic systems major components and implications in agricultural planning
Viewers also liked
The Torch - United Workers Party
The United Workers Party continues to take its message of change to the Saint Lucian public by releasing the first issue of its Newspaper- "The Torch" showcasing the work that the UWP has done in the last 3 years
Global warming
Human activity has contributed to rising global temperatures, but collective action can address this issue. If everyone does their part to reduce emissions and environmental impact, the rise in global warming may be halted. We must work together to protect the planet for future generations.
Pool 11 Presentation
This document promotes a clean-up event along the Kentucky River in Estill County on April 14th. It encourages volunteers to sign up to help with a shoreline and canoe clean-up to remove pollution from the river. A dinner and sign painting will follow the service project. The event is free and all equipment will be provided. Funding is provided by Eastern Kentucky University's committee for responsible environmental stewardship.
Pool 11 presentation draft
This document summarizes efforts to develop the Kentucky River Water Trail in Pool 11. Volunteers completed river surveys in 2012 to identify access points, unique natural and historical features, and safety issues. Stakeholders like the Kentucky River Authority and National Park Service provided support through grants and technical assistance to improve recreational access, water quality awareness, and educate the public about endangered species and dam dangers. A new boat ramp site was selected with assistance from an NPS grant and a launch event was planned for October 2012 to celebrate being recognized as a Great Outdoors Initiative Project.
Ternura!!!
Los gatitos son criaturas adorables que necesitan cuidados. Cuidar de un gato recién nacido requiere alimentarlo cada pocas horas, mantenerlo limpio y brindarle cariño. Con el tiempo y el cuidado adecuado, los gatitos crecerán para convertirse en felinos juguetones y cariñosos.
Presentation2
Instagram is a photo sharing app that launched in October 2010 and has grown to over 13 million users. It allows users to take photos, apply filters to the photos, and share them. The app has raised $7 million in its first round of funding and is valued at around $20 million. The CEO believes the best products start as features within other apps and Instagram began as a feature within another app. The next steps for Instagram are developing a profitable business model and retaining its large user base.
Instagram
Instagram is a photo sharing app that launched in October 2010 and has grown to over 13 million users. It allows users to take photos, apply filters to the photos, and share them. The app has raised $7 million in its first round of funding and is valued at around $20 million. The CEO believes the best products start as features within other apps and Instagram began as a feature within another app. Moving forward, the company aims to develop a profitable business model while retaining its large user base.
The Cognitive Theory
This document summarizes several cognitive learning theories and theorists. It discusses how cognitive theory views thoughts and behaviors as tendencies that should be analyzed. It also explains dual coding theory which proposes information is processed visually or linguistically. Several instructional theories are outlined including Gagne's nine events of instruction and Gardner's theory of multiple intelligences. Bloom's cognitive and psychomotor domains are mentioned as well as cognitive theorists like Bruner, Mayer, and Sweller. The role of technology in multimedia learning and repetition for information input is discussed.
inglés
Contamination is the noxious alteration of the environment through the introduction of foreign agents. It has become a serious global problem due to the enormous consequences for the future. While millions support ecological laws, powerful governments deny them due to fears of financial losses. We must act now to achieve a better future and keep our planet healthy.
CDB 2014 Caribbean Economic Review and Outlook for 2015
The document provides an economic review and outlook for the Caribbean region in 2014-2015. It finds that 16 of the Caribbean Development Bank's 19 borrowing member countries experienced economic growth in 2014, led by tourism and construction services. Unemployment rates fell in some countries but rose in Barbados and St. Lucia. Inflation slowed to an average of 2.3% for the region due to lower international commodity prices. While tourism and construction expanded in most countries, declines in commodity prices negatively impacted the mining and quarrying sectors of commodity exporters.
Deforestation
Deforestation is occurring at alarming rates globally and having significant negative impacts. Logging and expanding agriculture are the primary drivers of deforestation, opening up forests and increasing emissions. Deforestation is destroying habitats and reducing biodiversity as many species only live in forests. It is also disrupting the climate by reducing the forests that act as carbon sinks and releasing stored carbon into the atmosphere through decomposition. Urgent action is needed to reduce deforestation and protect the valuable resources and species in forests.
Viewers also liked (16)
CDB 2014 Caribbean Economic Review and Outlook for 2015
CDB 2014 Caribbean Economic Review and Outlook for 2015
Similar to Global warming
Greenshouseeffectsslideshare net-110926082421-phpapp01
The document discusses the greenhouse effect and global warming. It defines the greenhouse effect as an atmosphere containing gases that absorb and emit infrared radiation, trapping heat and warming the Earth's surface. It then explains the mechanisms by which sunlight and infrared energy are absorbed and reemitted by greenhouse gases like carbon dioxide, methane, and nitrous oxide. Increased concentrations of these gases from human activities are amplifying the greenhouse effect and causing global warming, with problems like rising sea levels and extreme weather. Solutions proposed to prevent further warming include transitioning to renewable energy sources, reforestation, and conserving energy.
Green house effect
The document discusses the greenhouse effect and global warming. The greenhouse effect refers to gases in the atmosphere that trap heat from the sun, causing the Earth's temperature to rise. Global warming is an increase in the Earth's average temperature that results from the greenhouse effect. Some causes of the greenhouse effect and global warming are deforestation, emissions of gases like carbon dioxide and methane, and releases of carbon dioxide from human activities like burning fossil fuels. Consequences of the greenhouse effect and global warming include extreme weather, sea level rise, and impacts on ecosystems and human health and economies. The document provides suggestions for preventing global warming such as reducing energy use and choosing renewable energy sources.
Global warming
Global Warming is the average rise in temperature of the Earth's atmosphere which results in climate change. this PPT showcace about Global Warming, it's causes, it's effects, some current facts, and precautions to control it.
Gobal warming ppt
Global warming refers to the long-term rise in Earth's average surface temperature due to human emissions of greenhouse gases. Since pre-industrial times, human activities have increased Earth's average temperature by 1 degree Celsius. Climate change encompasses global warming and its wider impacts, such as changes in weather patterns, melting ice sheets and sea level rise. While global warming refers specifically to temperature increases from human greenhouse gas emissions, climate change also includes naturally-occurring factors. Addressing global warming requires reducing carbon emissions through individual lifestyle changes as well as policy-level solutions to preserve Earth for future generations.
Greenshouse effects slideshare.net
The greenhouse effect occurs when gases in the atmosphere trap heat from the sun, causing the surface temperature of the Earth to be warmer than it would be otherwise. Greenhouse gases like carbon dioxide and methane absorb and emit infrared radiation, trapping heat and leading to global warming. Increased concentrations of greenhouse gases from human activities are amplifying the greenhouse effect and further warming the atmosphere and Earth. Solutions to prevent additional global warming include increasing the use of renewable energy, reforestation, and conservation to reduce greenhouse gas emissions.
Climate change
Global climate change refers to long-term shifts in weather patterns due to both natural causes like volcanic eruptions and human activities such as burning fossil fuels. The greenhouse effect traps heat in the lower atmosphere due to greenhouse gases like carbon dioxide and methane, resulting in global warming and rising global temperatures over recent decades. Effects of climate change include rising sea levels, more extreme weather events, melting glaciers and ice sheets, and threats to human health, agriculture, and ecosystems. Strategies to address climate change focus on reducing greenhouse gas emissions through alternatives to fossil fuels, conservation efforts, and preparing for inevitable impacts.
Green house effect
The greenhouse effect is a process that occurs when gases in Earth's atmosphere trap the Sun's heat to make the earth surface warmer leading to global warming.
green house effect ppt
The document discusses the greenhouse effect and global warming. It defines the greenhouse effect as the atmosphere trapping some of the heat from the sun's rays, preventing it from escaping into space and keeping the Earth warm. Global warming is described as a gradual increase in the Earth's overall temperature attributed to increased levels of greenhouse gases like carbon dioxide and CFCs from human pollution. Human activities since the Industrial Revolution, such as burning fossil fuels and deforestation, have begun affecting the carbon cycle and rising carbon dioxide in the atmosphere.
This phenomenon is primarily responsible for the redistribution of he.pdf
This phenomenon is primarily responsible for the redistribution of heat across the plant Coriolis
effect curvature of the Earth Adiabatic cooling Biome
Solution
The solar heat gained by our planet from the sun is not even. The uneven heat is redistributed
across the planet by air circulation, water vapour, ocean current, earth rotation. Due to uneven
heat the climate and weather patterns are maintained.
These are the following phenomenon primarily responsible for the redistribution of heat.
Coriolis effect: The Earth rotates once every 24 hours. Due to that rotation, the uneven heat
energy from the sun is redistributed by moving air masses, water vapor and ocean currents. This
effect is called coriolis effect.
Curvature of the earth causes uneven distribution of solar heat. Therefore the solar flux is
maximum at equator than the polars.
Adiabatic cooling is the process of reducing heat through a change in air pressure caused by
volume expansion. In nature when there is very hot, the air close to earth becomes lighten and
moves up and to fullfil that place cold heavy air comes. that results in redistribution of heat
across the earth..
InakiMalena_ClimateWeather
Climate change is caused by both natural and human factors. Naturally, climate is influenced by volcanic eruptions, ocean currents, comets, and the sun. However, the largest influence is the greenhouse effect where gases like carbon dioxide and methane in the atmosphere trap heat from the sun and warm the planet. While the earth has warmed overall since 1900, the warming has not been uniform and some areas have been less affected than others.
Unit 2 Earth's Atmosphere
This document provides an overview of Earth's atmosphere including its composition, structure, and circulation patterns. It discusses key topics like the greenhouse effect, carbon cycle, climate zones, and factors that create suitable conditions for life. The atmosphere is divided into four main layers - the troposphere, stratosphere, mesosphere, and thermosphere - each with distinct temperature characteristics. Atmospheric circulation is driven by convection, wind patterns, and interactions between air masses. Climate and weather are also influenced by feedback loops within the carbon cycle and factors like albedo that can both amplify and dampen global temperature changes.
Global warming_100154.pptx
In this PDF file you will know about global warming. Definition of global warming and how global warming occur. You will know the causes and the consequences ect.
6.2 factors that influence weather
Weather is influenced by many factors including air masses, air pressure, sunlight, greenhouse gases, moisture, mountains, oceans, wind patterns, and human activity. Climate describes weather trends over many years and is impacted by radiation, conduction, convection, altitude, latitude, proximity to oceans, and landmass distribution. Fronts form where different air masses meet and influence local weather conditions.
Global Warming
Global warming is an increase in the Earth's average temperature caused by greenhouse gases trapping heat in the atmosphere. The main causes of global warming are greenhouse gases from industries and vehicles, as well as deforestation. If unchecked, global warming will lead to rising sea levels from melting ice caps and more extreme weather events like hurricanes. Most people now believe that global warming is occurring and efforts are needed to reduce greenhouse gas emissions through conservation and use of renewable energy.
Global warming :- A PowerPoint Presentation
Global warming is caused by human activities that increase greenhouse gases like CO2 and methane in the atmosphere. The key greenhouse gases are CO2, methane, nitrous oxide, and ozone. Without the natural greenhouse effect, Earth's average temperature would be much colder, but human emissions since the Industrial Revolution have increased CO2 levels and enhanced the greenhouse effect, warming the planet. Non-conventional energy sources like wind and solar could help mitigate global warming.
Global warming.Full of Details and Pictures
Global warming is a major environmental problem caused by increased greenhouse gases trapping more heat in the atmosphere. As a result, ice is melting worldwide, sea levels are rising faster than in the past century, and extreme weather events like floods and droughts will become more common. The main causes of global warming are greenhouse gas emissions from human activities like burning fossil fuels and greenhouse gases released by factories.
Global warming
Global warming is a major environmental problem caused by the greenhouse effect trapping heat from the Earth's surface. The greenhouse effect has increased the levels of heat-trapping gases in the atmosphere beyond normal levels. Some effects of global warming include melting ice worldwide, rising sea levels, and more frequent floods and droughts. The main cause of global warming is increased concentrations of greenhouse gases from human activities like burning fossil fuels and industrial emissions.
short ppt on global warming
Global warming is an increase in the earth's average temperature due to the greenhouse effect, where greenhouse gases like carbon dioxide trap heat in the atmosphere. It is caused both by natural factors like climate change and volcanoes, as well as man-made issues including deforestation and burning fossil fuels. The effects of global warming include melting polar ice, rising ocean temperatures, impacts on plants and animals, effects on agriculture and depletion of the ozone layer. Individual actions such as reducing driving, using electric power and limiting pollution can help stop global warming and protect the planet for long-term health and safety.
Climate_Change_Realities_for_Pakistan.pptx
The document discusses the terms global warming and climate change. Global warming refers to the increase in average global temperatures due to rising greenhouse gas emissions from the use of fossil fuels. Climate change refers more broadly to long-term changes in weather patterns, such as heat waves, changing precipitation levels that can cause droughts or floods, sea level rise, and more extreme weather events. The document includes various graphs and data on changes in global temperatures, tornado outbreaks, extreme weather events, and rainfall over time.
Similar to Global warming (20)
Greenshouseeffectsslideshare net-110926082421-phpapp01
Greenshouseeffectsslideshare net-110926082421-phpapp01
This phenomenon is primarily responsible for the redistribution of he.pdf
This phenomenon is primarily responsible for the redistribution of he.pdf
Recently uploaded
Leveraging Generative AI to Drive Nonprofit Innovation
In this webinar, participants learned how to utilize Generative AI to streamline operations and elevate member engagement. Amazon Web Service experts provided a customer specific use cases and dived into low/no-code tools that are quick and easy to deploy through Amazon Web Service (AWS.)
How to Create a More Engaging and Human Online Learning Experience
How to Create a More Engaging and Human Online Learning Experience Wahiba Chair Training & Consulting
Wahiba Chair's Talk at the 2024 Learning Ideas Conference. Natural birth techniques - Mrs.Akanksha Trivedi Rama University
Natural birth techniques - Mrs.Akanksha Trivedi Rama UniversityAkanksha trivedi rama nursing college kanpur.
Natural birth techniques are various type such as/ water birth , alexender method, hypnosis, bradley method, lamaze method etcAdvanced Java[Extra Concepts, Not Difficult].docx
This is part 2 of my Java Learning Journey. This contains Hashing, ArrayList, LinkedList, Date and Time Classes, Calendar Class and more.
Walmart Business+ and Spark Good for Nonprofits.pdf
"Learn about all the ways Walmart supports nonprofit organizations.
You will hear from Liz Willett, the Head of Nonprofits, and hear about what Walmart is doing to help nonprofits, including Walmart Business and Spark Good. Walmart Business+ is a new offer for nonprofits that offers discounts and also streamlines nonprofits order and expense tracking, saving time and money.
The webinar may also give some examples on how nonprofits can best leverage Walmart Business+.
The event will cover the following::
Walmart Business + (https://business.walmart.com/plus) is a new shopping experience for nonprofits, schools, and local business customers that connects an exclusive online shopping experience to stores. Benefits include free delivery and shipping, a 'Spend Analytics” feature, special discounts, deals and tax-exempt shopping.
Special TechSoup offer for a free 180 days membership, and up to $150 in discounts on eligible orders.
Spark Good (walmart.com/sparkgood) is a charitable platform that enables nonprofits to receive donations directly from customers and associates.
Answers about how you can do more with Walmart!"
PCOS corelations and management through Ayurveda.
This presentation includes basic of PCOS their pathology and treatment and also Ayurveda correlation of PCOS and Ayurvedic line of treatment mentioned in classics.
RHEOLOGY Physical pharmaceutics-II notes for B.pharm 4th sem students
Physical pharmaceutics notes for B.pharm students
How to Setup Warehouse & Location in Odoo 17 Inventory
In this slide, we'll explore how to set up warehouses and locations in Odoo 17 Inventory. This will help us manage our stock effectively, track inventory levels, and streamline warehouse operations.
clinical examination of hip joint (1).pdf
described clinical examination all orthopeadic conditions .
Chapter 4 - Islamic Financial Institutions in Malaysia.pptx
Chapter 4 - Islamic Financial Institutions in Malaysia.pptxMohd Adib Abd Muin, Senior Lecturer at Universiti Utara Malaysia
This slide is special for master students (MIBS & MIFB) in UUM. Also useful for readers who are interested in the topic of contemporary Islamic banking.
How to Fix the Import Error in the Odoo 17
An import error occurs when a program fails to import a module or library, disrupting its execution. In languages like Python, this issue arises when the specified module cannot be found or accessed, hindering the program's functionality. Resolving import errors is crucial for maintaining smooth software operation and uninterrupted development processes.
How to Add Chatter in the odoo 17 ERP Module
In Odoo, the chatter is like a chat tool that helps you work together on records. You can leave notes and track things, making it easier to talk with your team and partners. Inside chatter, all communication history, activity, and changes will be displayed.
How to Make a Field Mandatory in Odoo 17
In Odoo, making a field required can be done through both Python code and XML views. When you set the required attribute to True in Python code, it makes the field required across all views where it's used. Conversely, when you set the required attribute in XML views, it makes the field required only in the context of that particular view.
Main Java[All of the Base Concepts}.docx
This is part 1 of my Java Learning Journey. This Contains Custom methods, classes, constructors, packages, multithreading , try- catch block, finally block and more.
How to deliver Powerpoint Presentations.pptx
"How to make and deliver dynamic presentations by making it more interactive to captivate your audience attention"
Recently uploaded (20)
Liberal Approach to the Study of Indian Politics.pdf
Liberal Approach to the Study of Indian Politics.pdf
Leveraging Generative AI to Drive Nonprofit Innovation
Leveraging Generative AI to Drive Nonprofit Innovation
How to Create a More Engaging and Human Online Learning Experience
How to Create a More Engaging and Human Online Learning Experience
Natural birth techniques - Mrs.Akanksha Trivedi Rama University
Natural birth techniques - Mrs.Akanksha Trivedi Rama University
Walmart Business+ and Spark Good for Nonprofits.pdf
Walmart Business+ and Spark Good for Nonprofits.pdf
RHEOLOGY Physical pharmaceutics-II notes for B.pharm 4th sem students
RHEOLOGY Physical pharmaceutics-II notes for B.pharm 4th sem students
How to Setup Warehouse & Location in Odoo 17 Inventory
How to Setup Warehouse & Location in Odoo 17 Inventory
Chapter 4 - Islamic Financial Institutions in Malaysia.pptx
Chapter 4 - Islamic Financial Institutions in Malaysia.pptx
Global warming
- 2. • calentamiento global está asociado a un cambio climatico que puede tener causa antropogenica o no. El principal efecto que causa el calentamiento global es el efecto invernadero, fenómeno que se refiere a la absorción — por ciertos gases atmosféricos; principalmente CO2 de parte de la energía que el suelo emite, como consecuencia de haber sido calentado por la radiación solar • global warming associated with climate change that may have anthropogenic causes or not. The main effect that causes global warming is the greenhouse effect, a phenomenon referred to absorption, by certain atmospheric gases, mainly CO2 from the soil energy emitted as a result of being heated by solar radiation
- 4. BEFORE AFTER
- 9. • NOSOTROS FUIMOS CAUSANTES DEL CALENTAMIENTO GLOBAL • We were responsible for global warming • TODAVÍA SE PUEDE EVITAR QUE SIGA ESTE FENÓMENO • We can stop this PHENOMENON today • HAREMOS TODO LO POSIBLE POR EL PLANETA • We will do everything for the planet