An abrupt climate change occurs when the climate system is forced to transition at a rate that is determined by the climate system energy-balance. The transition rate is more rapid than the rate of change of the external forcing,[1] though it may include sudden forcing events such as meteorite impacts.[2] Abrupt climate change therefore is a variation beyond the variability of a climate. Past events include the end of the Carboniferous Rainforest Collapse,[3] Younger Dryas,[4] Dansgaard–Oeschger events, Heinrich events and possibly also the Paleocene–Eocene Thermal Maximum.[5] The term is also used within the context of climate change to describe sudden climate change that is detectable over the time-scale of a human lifetime. Such a sudden climate change can be the result of feedback loops within the climate system[6] or tipping points in the climate system.
Scientists may use different timescales when speaking of abrupt events. For example, the duration of the onset of the Paleocene–Eocene Thermal Maximum may have been anywhere between a few decades and several thousand years. In comparison, climate models predict that under ongoing greenhouse gas emissions, the Earth's near surface temperature could depart from the usual range of variability in the last 150 years as early as 2047.[7]
^Harunur Rashid; Leonid Polyak; Ellen Mosley-Thompson (2011). Abrupt climate change: mechanisms, patterns, and impacts. American Geophysical Union. ISBN 9780875904849.
^Committee on Abrupt Climate Change, National Research Council. (2002). "Definition of Abrupt Climate Change". Abrupt climate change : inevitable surprises. Washington, D.C.: National Academy Press. doi:10.17226/10136. ISBN 978-0-309-07434-6.
^Broecker, W. S. (May 2006). "Geology. Was the Younger Dryas triggered by a flood?". Science. 312 (5777): 1146–1148. doi:10.1126/science.1123253. ISSN 0036-8075. PMID 16728622. S2CID 39544213.
^National Research Council (2002). Abrupt climate change : inevitable surprises. Washington, D.C.: National Academy Press. p. 108. ISBN 0-309-07434-7.
^Rial, J. A.; Pielke Sr., R. A.; Beniston, M.; Claussen, M.; Canadell, J.; Cox, P.; Held, H.; De Noblet-Ducoudré, N.; Prinn, R.; Reynolds, J. F.; Salas, J. D. (2004). "Nonlinearities, Feedbacks and Critical Thresholds within the Earth's Climate System" (PDF). Climatic Change. 65: 11–00. doi:10.1023/B:CLIM.0000037493.89489.3f. hdl:11858/00-001M-0000-0013-A8E8-0. S2CID 14173232. Archived from the original (PDF) on 9 March 2013.
^Mora, C (2013). "The projected timing of climate departure from recent variability". Nature. 502 (7470): 183–187. Bibcode:2013Natur.502..183M. doi:10.1038/nature12540. PMID 24108050. S2CID 4471413.
and 30 Related for: Abrupt climate change information
An abruptclimatechange occurs when the climate system is forced to transition at a rate that is determined by the climate system energy-balance. The...
climatechange describes global warming—the ongoing increase in global average temperature—and its effects on Earth's climate system. Climatechange in...
and adapt to the effects of global warming and climatechange—during the year 2024. 19 March: "The climate crisis is the defining challenge that humanity...
using complex models to understand and predict abruptclimatechange". Dynamics and Statistics of the Climate System. 1 (1): dzw004. doi:10.1093/climsys/dzw004...
The scientific community has been investigating the causes of climatechange for decades. After thousands of studies, it came to a consensus, where it...
Climate justice is an approach to climate action that focuses on the unequal impacts of climatechange on marginalized or otherwise vulnerable populations...
climatechange controversies (or list of global warming controversies) concerns past or present public debates over certain aspects of climatechange:...
Framework Convention on ClimateChange (UNFCCC) is the UN process for negotiating an agreement to limit dangerous climatechange. It is an international...
Emmerich and starring Dennis Quaid. An abrupt shutdown of thermohaline circulation causes catastrophic abruptclimatechange, plunging the Northern Hemisphere...
Effects of climatechange are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an...
extreme weather events that create and Abruptclimatechange that leads to a new ice age. 8.2 kiloyear climate event – Rapid global cooling around 8,200...
Climatechange can affect tropical cyclones in a variety of ways: an intensification of rainfall and wind speed, a decrease in overall frequency, an increase...
Climatechange feedbacks are processes in the climate system which amplify or diminish the effect of forces that initially cause the warming. Positive...
The climatechange policy of the United States has major impacts on global climatechange and global climatechange mitigation. This is because the United...
fossil pollen showing an abruptchange from a glacial era of pinewoods to oak trees, pointing to "great rapidity of climatechange". He discussed research...
Public opinion on climatechange is related to a broad set of variables, including the effects of sociodemographic, political, cultural, economic, and...
coverage of climatechange has had effects on public opinion on climatechange, as it conveys the scientific consensus on climatechange that the global...
The 2015 United Nations ClimateChange Conference, COP 21 or CMP 11 was held in Paris, France, from 30 November to 12 December 2015. It was the 21st yearly...
Methane clathrates used to be considered as a potential source of abruptclimatechange, following the clathrate gun hypothesis. In this scenario, heating...
of AbruptClimateChanges". Lawrence Berkeley National Laboratory. CCSP; et al. (2008). AbruptClimateChange. A report by the U.S. ClimateChange Science...
Climatechange and poverty are deeply intertwined because climatechange disproportionally affects poor people in low-income communities and developing...
The 2009 United Nations ClimateChange Conference, commonly known as the Copenhagen Summit, was held at the Bella Center in Copenhagen, Denmark, between...
Fisheries are affected by climatechange in many ways: marine aquatic ecosystems are being affected by rising ocean temperatures, ocean acidification and...
Climate variability includes all the variations in the climate that last longer than individual weather events, whereas the term climatechange only refers...
Climatechange is an urgent and significant issue affecting Japan. In recent years, the country has observed notable changes in its climate patterns,...
Northgrippian is the so-called 8.2 kiloyear event, which was an abruptclimatechange lasting some four centuries in which there was a marked decrease...
pathway leaves the risk that conditions will go beyond adaptation and abruptclimatechange will be upon us. There is a human moral imperative to maximize the...
Climatechange has led to the United States warming by 2.6 °F (1.4 °C) since 1970. The climate of the United States is shifting in ways that are widespread...