what are the natural influences of global warming
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Human vs. Natural Contributions to Global Warming The two largest human influences are greenhouse gas (GHG) and sulfur dioxide (SO2) emissions, mostly from burning coal, oil, and natural gas (sulfur emissions tend to have a net cooling effect). The largest natural influences on the global temperature are the 11-year solar cycle, volcanic activity, and the El Nino Southern Oscillation (ENSO).
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Top Ten Reasons Climate Change is a Hoax While some of this infrared energy does radiate back into space, some portion is absorbed and re-emitted by water vapor and other greenhouse gases in the atmosphere. This absorbed energy helps to warm the planet’s surface and atmosphere just like a greenhouse. Factors affecting the Greenhouse Effect There are three main factors that directly influence the greenhouse effect: (1) the total energy influx from the sun, which depends on the earth's distance from the sun and on solar activity, (2) the chemical composition of the atmosphere (what gases are present and in what concentrations), and (3) albedo, the ability of the earth's surface to reflect light back into space.
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- This burning releases carbon dioxide, a powerful greenhouse gas, which is causing an enhanced greenhouse effect. Global Warming is also caused by deforestation, cutting down forests which used to remove carbon dioxide from the atmosphere.o-they actually counter the effects of global warming by soaking up carbon dioxide, however when these same plants (Particularly trees) are cut down and burnt the soaked up … carbons dioxides are released into the atmosphere, this is the indirect relation that plants have on global warming.
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- These natural causes are still in play today, but their influence is too small or they occur too slowly to explain the rapid warming seen in recent decades. We know this because scientists closely monitor the natural and human activities that influence climate with a fleet of satellites and surface instruments.Remote meteorological stations (left) and orbiting satellites (right) help scientists monitor the causes and effects of global warming.n Earth’s history before the Industrial Revolution, Earth’s climate changed due to natural causes not related to human activity. Most often, global climate has changed because of variations in sunlight. Tiny wobbles in Earth’s orbit altered when and where sunlight falls on Earth’s surface.
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Glossary of Eco Words Carbon dioxide. Source: Burning fossil fuels like coal, oil and natural gas. Methane. Source: Cattle emissions, farming practices, melting tundra, coal seam fracking. Water … Vapor. Source: Earth's water cycle. Water vapor does not contribute to global warming, just to the natural greenhouse effect.he burning of fossil fuels (coal, oil and natural gas) in industry, transport and the generation of electricity, which releases Carbon Dioxide (CO2).Methane released from cat … tle rearing as well as other agricultural practices.Carbon dioxide released from cement manufacturing.
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- Global warming could be influenced by a variety of factors. Millions of years ago a salt water fern absorbed CO2 from the atmosphere. As the ferns died they sank and that carb…on became sequestered on the deep sea floor. The result was a gradual cooling of the climate.
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climate change Climate change may be due to natural external forcings, such as changes in solar emission or slow changes in the earth's orbital elements; natural internal processes of the climate system; or anthropogenic forcing.
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- Ocean acidification-another effect of global warming. Fossil fuel combustion and industrial processes release over six billion metric tons of carbon into the atmosphere each year.ffects of global warming. It increases the atmosphere temperature, it causes acid rain, Some chemicals emitted by the greenhouse like Chloroflorcarbons breaks the OZON layer which absorps some dengeriouse electromagnatic rediation, so dengriouse electromagnatic rediations like UV (ultrovilat rediations), X-ray etc.
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Effects of global warming The effects of global warming are the environmental and social changes caused (directly or indirectly) by human emissions of greenhouse gases. There is a scientific consensus that climate change is occurring, and that human activities are the primary driver.ngoing effects include rising sea levels due to thermal expansion and melting of glaciers and ice sheets, and warming of the ocean surface, leading to increased temperature stratification. Other possible effects include large-scale changes in ocean circulation.
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Effects of global warming The impacts of climate change, such as increased air. and ocean temperatures, and increased frequency of. extreme climatic events will directly and indirectly. affect biodiversity.
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Effects of global warming on oceans Global warming can affect sea levels, coastlines, ocean acidification, ocean currents, seawater, sea surface temperatures, tides, the sea floor, weather, and trigger several changes in ocean bio-geochemistry; all of these affect the functioning of a society. Contents.
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Effects of increased greenhouse gas emissions The effects of increased greenhouse gas emissions include global warming, ocean acidification, smog pollution, ozone depletion and altered plant health, all contributing to global climate change. The main effect of increased greenhouse gas emissions is global warming. Carbon dioxide, methane, nitrous oxide and fluorinated gases all help trap heat in the Earth's atmosphere as a part of the greenhouse effect. The Earth's natural greenhouse effect makes life as we know it possible. However, human activities, primarily the burning of fossil fuels and deforestation, have intensified the greenhouse effect, causing global warming.1. Effects of increased greenhouse gas emissions. Increases in the different greenhouse gases have other effects apart from global warming including ocean acidification, smog pollution, ozone depletion as well as changes to plant growth and nutrition levels.
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Things in Your House That Cause Global Warming Humans contribute to the increasing concentration of greenhouse gases -- notably carbon dioxide, methane and nitrous oxide -- through deforestation, agriculture, energy production and waste disposal (see References 1). Several things used everyday in your home produce gases like these that contribute to global warming.
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Causes of Global Warming: the Human impact Anthropogenic Causes of Global Warming The most important greenhouse gases are carbon dioxide, methane, nitrous oxide and water vapor. While all these gases occur naturally in the atmosphere, emissions from human sources has caused their levels to rise to a point that is no longer sustainable.
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A blanket around the Earth Most climate scientists agree the main cause of the current global warming trend is human expansion of the greenhouse effect 1 — warming that results when the atmosphere traps heat radiating from Earth toward space.Certain gases in the atmosphere block heat from escaping. blanket around the Earth. A layer of greenhouse gases – primarily water vapor, and including much smaller amounts of carbon dioxide, methane and nitrous oxide – acts as a thermal blanket for the Earth, absorbing heat and warming the surface to a life-supporting average of 59 degrees Fahrenheit (15 degrees Celsius).
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Time for change Cause of global warming. Almost 100% of the observed temperature increase over the last 50 years has been due to the increase in the atmosphere of greenhouse gas concentrations like water vapour, carbon dioxide (CO2), methane and ozone. Greenhouse gases are those gases that contribute to the greenhouse effect (see below).
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What are the main man-made greenhouse gases? The strength of the Earth's greenhouse effect is determined by the concentration in the atmosphere of a handful of greenhouse gases. The one that causes the most warming overall is water vapour – though human activity affects its level in the atmosphere indirectly rather than directly. • Carbon dioxide (CO2). Accounts for around three-quarters of the warming impact of current human greenhouse-gas emissions. The key source of CO2 is the burning of fossil fuels such as coal, oil and gas, though deforestation is also a very significant contributor.
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Air pollution Right: Human activities, such as the burning of fossil fuels, are increasing greenhouse gas levels, leading to an enhanced greenhouse effect. The result is global warming and unprecedented rates of climate change. Credit: Will Elder, National Park Service.o understand global warming, it's first necessary to become familiar with the greenhouse effect, though. Left: Naturally occurring greenhouse gases — carbon dioxide (CO 2), methane (CH 4), and nitrous oxide (N 2 O) — normally trap some of the sun’s heat, keeping the planet from freezing.
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Causes of Global Warming: the Human impact Both natural and human factors contribute to global warming, however, evidence 3 has shown that the warming we are currently witnessing is largely as a result of human forcing. According to the Union of Concerned Scientists 4, there are several indications that provide evidence that humans are the cause of global warming rather than it being due to natural variability – these indicators include: Warming Oceans. Oceans have absorbed 20 times more heat than the atmosphere resulting in warmer oceans 5, 6.
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Top Ten Reasons Climate Change is a Hoax Although the greenhouse effect is a naturally-occurring process, humans have recently amplified the natural effect by increasing the concentration of CO2 and other greenhouse gases in the atmosphere (primarily through fossil fuel use in the energy and transportation sectors).
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Global warming CAUSES OF GLOBAL WARMING. The greenhouse effect. The main cause of global warming is increased level of carbon dioxide and other greenhouse gases that are released into the atmosphere mostly due to the fossil fuels burning (coal, oil, and natural gas) and deforestation for agriculture.
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Global Warming Causes Global warming is primarily a problem of too much carbon dioxide (CO2) in the atmosphere—which acts as a blanket, trapping heat and warming the planet. CO2 survives in the atmosphere for a long time—up to many centuries—so its heat-trapping effects are compounded over time.
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- It is impossible to pin any single unusual weather event on global warming, but emerging evidence suggests that global warming is already influencing the weather. Heat waves, droughts, and intense rain events have increased in frequency during the last 50 years, and human-induced global warming more likely than not contributed to the trend. Rising Sea Levels The weather isn’t the only thing global warming will impact: rising sea levels will erode coasts and cause more frequent coastal flooding.
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Natural and human causes of climate change Natural and human causes of climate change Processes or activities that cause climate change are generally refered to as climate forcing processes. The earth receives energy solely from the sun, in the form of light and ultraviolet (UV) radiation, and releases energy back to space, in the form of infrared heat.
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Natural variability, radiative forcing and climate response in the recent hiatus reconciled Global mean surface warming over the past 15 years or so has been less than in earlier decades and than simulated by most climate models. Natural variability, a reduced radiative forcing, a smaller warming response to atmospheric carbon dioxide concentrations and coverage bias in the observations have been identified as potential causes.