Research Paper On Global Warming Outline

Assuming high growth in greenhouse gas emissions (SRES A2), some models projected that Arctic sea ice in the summer could largely disappear by the end of the 21st century.The increase in ocean heat content is much larger than any other store of energy in the Earth's heat balance over the two periods 1961 to 20 to 2003, and accounts for more than 90% of the possible increase in heat content of the Earth system during these periods.

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Three would be expected to decrease and they are, in fact, decreasing.

This set of graphs show changes in climate indicators over several decades.

The IPCC's Fifth Report released in 2014 states that relative to the average from year 1850 to 1900, global surface temperature change by the end of the 21st century is likely to exceed 1.5°C and may well exceed 2°C. Even if emissions were drastically reduced overnight, the warming process is irreversible because CO2 takes hundreds of years to break down, and global temperatures will remain close to their highest level for at least the next 1,000 years (see the later section on irreversibilities).

Global surface temperature for the past 5.3 million years as inferred from cores of ocean sediments taken all around the global ocean.

"Attribution" of causes of climate change is the process of establishing the most likely causes for the detected change with some defined level of confidence.

The graph above shows the average of a set of temperature simulations for the 20th century (black line), followed by projected temperatures for the 21st century based on three greenhouse gas emissions scenarios (colored lines).Heat waves with high humidity pose a big risk to human health while heat waves with low humidity lead to dry conditions that increase wildfires.The mortality from extreme heat is larger than the mortality from hurricanes, lightning, tornadoes, floods, and earthquakes together A rise in temperature will cause the glaciers to melt, when water heats up, it expands, both of these factors contribute to a rise in sea levels which will put people living in lowland areas, for example The Netherlands in danger.The physical effects of future climate change depends on the extent of prevention efforts (i.e., reducing greenhouse gas emissions).The social impact of climate changes will be further affected by our efforts to prepare for changes that do occur."Detection" is the process of demonstrating that climate has changed in some defined statistical sense, without providing a reason for that change.Detection does not imply attribution of the detected change to a particular cause.The last 800,000 years are expanded in the lower half of the figure (image credit: NASA).Seven of these indicators would be expected to increase in a warming world and observations show that they are, in fact, increasing.concluded that human influences had contributed to an increase in heavy precipitation events at the global scale.Projections of future changes in precipitation show overall increases in the global average, but with substantial shifts in where and how precipitation falls.

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