Which Of The Following Is Not A Predicted Outcome Of Global Climate Change?

The potential time to come furnishings of global climate change include more frequent wildfires, longer periods of drought in some regions and an increment in the number, duration and intensity of tropical storms. Credit: Left - Mellimage/Shutterstock.com, center - Montree Hanlue/Shutterstock.com.

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In Brief:

The furnishings of human-caused global warming are happening now, are irreversible on the timescale of people alive today, and will worsen in the decades to come.

Global climatic change has already had observable effects on the surroundings. Glaciers have shrunk, water ice on rivers and lakes is breaking upwards earlier, institute and animal ranges have shifted and trees are flowering sooner.

Effects that scientists had predicted in the by would result from global climate change are now occurring: loss of sea ice, accelerated sea level ascension and longer, more intense heat waves.

Taken as a whole, the range of published evidence indicates that the internet damage costs of climate alter are likely to be significant and to increase over time.

Scientists have high confidence that global temperatures volition proceed to rising for decades to come up, largely due to greenhouse gases produced by homo activities. The Intergovernmental Panel on Climate Alter (IPCC), which includes more than i,300 scientists from the United States and other countries, forecasts a temperature ascension of 2.v to 10 degrees Fahrenheit over the next century.

According to the IPCC, the extent of climate alter effects on individual regions volition vary over time and with the ability of different societal and environmental systems to mitigate or adapt to alter.

The IPCC predicts that increases in global mean temperature of less than 1.8 to 5.four degrees Fahrenheit (1 to 3 degrees Celsius) above 1990 levels will produce beneficial impacts in some regions and harmful ones in others. Net annual costs volition increase over time equally global temperatures increment.

"Taken as a whole," the IPCC states, "the range of published prove indicates that the internet harm costs of climatic change are likely to exist significant and to increase over fourth dimension." ^1-2

Future Furnishings

Some of the long-term furnishings of global climate alter in the U.s.a. are as follows, according to the Third and Quaternary National Climate Assessment Reports:

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Modify Will Go on Through This Century and Beyond

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  Global climate is projected to continue to alter over this century and across. The magnitude of climate change across the adjacent few decades depends primarily on the amount of heat-trapping gases emitted globally, and how sensitive the Earth's climate is to those emissions.

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  An indicator of electric current global sea level as measured by satellites; updated monthly.

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  NASA visualizations of future precipitation scenarios.

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  Become astern and forwards in fourth dimension with this interactive visualization that illustrates how the Earth's climate has changed in recent history.

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Temperatures Will Keep to Rise

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  Because human-induced warming is superimposed on a naturally varying climate, the temperature rise has not been, and will not exist, uniform or smooth across the land or over time.

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  A visualization of global temperature changes since 1880 based on NASA GISS data.

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  NASA visualization of time to come global temperature projections based on current climate models.

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Frost-complimentary Season (and Growing Season) will Lengthen

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  The length of the frost-free season (and the corresponding growing flavour) has been increasing nationally since the 1980s, with the largest increases occurring in the western United states of america, affecting ecosystems and agriculture. Across the United States, the growing season is projected to proceed to lengthen.

  In a future in which rut-trapping gas emissions continue to grow, increases of a calendar month or more in the lengths of the frost-free and growing seasons are projected across most of the U.Southward. by the end of the century, with slightly smaller increases in the northern Nifty Plains. The largest increases in the frost-costless flavour (more than than viii weeks) are projected for the western U.S., particularly in high elevation and littoral areas. The increases will exist considerably smaller if heat-trapping gas emissions are reduced.

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  This NASA visualization presents observational show that the growing flavour (climatological spring) is occurring earlier in the Northern Hemisphere.

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Changes in Precipitation Patterns

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  Boilerplate U.S. precipitation has increased since 1900, just some areas accept had increases greater than the national average, and some areas have had decreases. More winter and leap atmospheric precipitation is projected for the northern United States, and less for the Southwest, over this century.

  Projections of hereafter climate over the U.S. advise that the recent tendency towards increased heavy precipitation events will continue. This trend is projected to occur even in regions where total precipitation is expected to decrease, such as the Southwest.

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  These NASA visualizations testify model projections of the precipitation changes from 2000 to 2100 as a percent difference betwixt the 30-year precipitation averages and the 1970-1999 average.

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  The official website for NASA's armada of Earth science missions that written report rainfall and other types precipitation around the globe.

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  Earth'south water is stored in ice and snowfall, lakes and rivers, the temper and the oceans. How much practise yous know about Earth's water cycle and the crucial role it plays in our climate?

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More than Droughts and Heat Waves

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  Droughts in the Southwest and heat waves (periods of abnormally hot weather lasting days to weeks) everywhere are projected to become more intense, and cold waves less intense everywhere.

  Summer temperatures are projected to continue rise, and a reduction of soil moisture, which exacerbates heat waves, is projected for much of the western and central U.S. in summertime. By the end of this century, what have been once-in-20-year extreme estrus days (1-day events) are projected to occur every ii or three years over near of the nation.

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  These NASA visualizations show model projections of the precipitation changes from 2000 to 2100 as a percent difference between the 30-year precipitation averages and the 1970-1999 average.

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  Droughts in the Southwest and Central Plains of the U.s. in the second half of the 21st century could be drier and longer than annihilation humans have seen in those regions in the last ane,000 years, co-ordinate to a NASA study published in Science Advances on Feb 12, 2015.

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Hurricanes Will Become Stronger and More Intense

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  The intensity, frequency and duration of North Atlantic hurricanes, as well equally the frequency of the strongest (Category 4 and v) hurricanes, take all increased since the early on 1980s. The relative contributions of human and natural causes to these increases are withal uncertain. Hurricane-associated storm intensity and rainfall rates are projected to increase as the climate continues to warm.

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  According to a new NASA study, a cord of 9 years without a major hurricane landfall in the U.S. is Iikely to come along only one time every 177 years. This video explains the findings of this report.

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Ocean Level Will Rising 1-8 feet by 2100

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  Global sea level has risen past near 8 inches since reliable record keeping began in 1880. It is projected to rise another one to 8 feet by 2100. This is the outcome of added water from melting land water ice and the expansion of seawater as information technology warms.

  In the next several decades, storm surges and high tides could combine with sea level rising and land subsidence to further increase flooding in many regions. Sea level rise volition continue past 2100 because the oceans take a very long time to respond to warmer conditions at the World's surface. Body of water waters volition therefore continue to warm and sea level will continue to rise for many centuries at rates equal to or higher than those of the current century.

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  An indicator of electric current global sea level every bit measured by satellites; updated monthly.

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  Test your knowledge of sea level rise and its upshot on global populations.

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Arctic Likely to Become Ice-Free

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  The Arctic Sea is expected to become essentially ice free in summer before mid-century.

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  An indicator of changes in the Arctic sea ice minimum over fourth dimension. Arctic body of water water ice extent both affects and is affected by global climate change.

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  An interactive exploration of how global warming is affecting sea ice, glaciers and continental ice sheets worldwide.

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U.S. Regional Effects

Below are some of the impacts that are currently visible throughout the U.Southward. and will continue to affect these regions, according to the Thirdⁱⁱⁱ and Fourth⁴ National Climate Assessment Reports, released past the U.S. Global Change Research Program:

Northeast. Estrus waves, heavy downpours and sea level rise pose growing challenges to many aspects of life in the Northeast. Infrastructure, agriculture, fisheries and ecosystems will exist increasingly compromised. Many states and cities are showtime to incorporate climate change into their planning.

Northwest. Changes in the timing of streamflow reduce water supplies for competing demands. Body of water level rise, erosion, alluvion, risks to infrastructure and increasing bounding main acidity pose major threats. Increasing wildfire, insect outbreaks and tree diseases are causing widespread tree dice-off.

Southeast. Sea level rising poses widespread and standing threats to the region'south economic system and environment. Extreme heat will impact health, energy, agriculture and more. Decreased water availability volition have economic and environmental impacts.

Midwest. Extreme heat, heavy downpours and flooding will touch on infrastructure, health, agronomics, forestry, transportation, air and water quality, and more than. Climate modify will also exacerbate a range of risks to the Groovy Lakes.

Southwest. Increased heat, drought and insect outbreaks, all linked to climate change, have increased wildfires. Failing water supplies, reduced agricultural yields, health impacts in cities due to oestrus, and flooding and erosion in coastal areas are boosted concerns.

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References

1. IPCC 2007, Summary for Policymakers, in Climate change 2007: Impacts, Adaptation and Vulnerability. Contribution of Working Group II to the Quaternary Assessment Written report of the Intergovernmental Panel on Climate change, Cambridge Academy Press, Cambridge, UK, p. 17.
2. IPCC, 2013: Summary for Policymakers. In: Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the 5th Cess Report of the Intergovernmental Panel on Climatic change [Stocker, T.F., D. Qin, G.-K. Plattner, G. Tignor, South.K. Allen, J. Boschung, A. Nauels, Y. Xia, V. Bex and P.Chiliad. Midgley (eds.)]. Cambridge Academy Printing, Cambridge, U.k. and New York, NY, USA.
3. USGCRP 2014, Third Climate Assessment.
4. USGCRP 2017, Quaternary Climate Assessment.

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Source: https://climate.nasa.gov/effects/

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