Sentences with phrase «additional warming of the climate»

Their results suggest that even if there is no additional warming of the climate system, 36 % of glacier ice will still eventually disappear.

Not exact matches

A large number of additional observations are broadly consistent with the observed warming and reflect a flow of heat from the atmosphere into other components of the climate system.
The implication: because average temperatures may warm by at least one degree C by 2030, «climate change could increase the incidences of African civil war by 55 percent by 2030, and this could result in about 390,000 additional battle deaths if future wars are as deadly as recent wars.»
«It's important that clinicians educate runners on the ways to minimize their risk of heat stroke, including allowing 10 - 14 days to adjust to a warm climate, discouraging running if a person is ill or was recently ill because a pre-existing fever impairs the body's ability to dissipate additional heat stress, and developing better methods of monitoring body core temperature during physical activity..»
But the change from 2004 to 2007 in the sun's output of visible light, and the attendant warming at Earth's surface of 0.1 watt per square meter, is roughly equivalent to the overall forcing of the sun on the climate over the past 25 years — estimated by the U.N. Intergovernmental Panel on Climate Change to be an additional 0.12 watt per squareclimate over the past 25 years — estimated by the U.N. Intergovernmental Panel on Climate Change to be an additional 0.12 watt per squareClimate Change to be an additional 0.12 watt per square meter.
However, a new University of Minnesota study with more than 1,000 young trees has found that plants also adjust — or acclimate — to a warmer climate and may release only one - fifth as much additional carbon dioxide than scientists previously believed, The study, published today in the journal Nature, is based on a five - year project, known as «B4Warmed,» that simulated the effects of climate change on 10 boreal and temperate tree species growing in an open - air setting in 48 plots in two forests in northern Minnesota.
The study, published in Nature Climate Change, suggests that nearly 4 million square kilometres of frozen soil — an area larger than India — could be lost for every additional degree of global warming experienced.
Studies such as Otto et al. (2012) display how the numerical scale of the simulation numbers allows for clear separation between a climate with lower level of heat - trapping gases (1960s) and the recent period (2000s), such that the 2010 heat wave in western Russia was more likely to occur with the additional warming due to climate change (Figure 3).
The first is to emphasize your point that degassing of CO2 from the oceans is not simply a matter of warmer water reducing CO2 solubility, and that important additional factors include changes in wind patterns, reduction in sea ice cover to reveal a larger surface for gas escape, and upwelling of CO2 from depths consequent to the changing climate patterns.
In the next 50 years, even the lower limit of impending climate change — an additional global mean warming of 1 degree Celsius above the last decade — is far beyond the range of climate variability experienced during the past thousand years and poses global problems in planning for and adapting to it.
-- Given these constraints on climate forcing trends, we predict additional warming in the next 50 years of 3/4 + / - 1/4 °C, a warming rate of 0.15 + / - 0.05 °C per decade.
Permafrost modeling studies typically indicate a potential release of in the neighborhood ~ 200 PgC as carbon dioxide equivalent by 2100, though poorly constrained, but comparable to other biogeochemical and climate - ecosystem related feedbacks, such as the additional CO2 released by the warming of terrestrial soils.
With the warming already committed in the climate system plus the additional warming expected from rising concentrations of greenhouse gases in the atmosphere, the Arctic will experience significant changes during this century even if greenhouse gas emissions are stabilized globally at a level lower than today's.
In the GISS «committed climate change» simulations, most of the additional warming has occured by 2050, but there remains a slow increase for decades afterwards.
«Based on climate model studies and the history of the Earth the authors conclude that additional global warming of about 1 °C (1.8 °F) or more, above global temperature in 2000, is likely to be dangerous.»
If low - cloud cover increases as the climate warms, the warming is muted by the additional reflection of sunlight.
Some climate scientists have looked at the potential impact of such an event and concluded that it likely would delay additional global warming — but only until the sun returned to more - normal swings in sun - spot activity.
Its definition as a pollutant relies entirely on its alleged causation of significant global warming and on the additional assumption that a warmer climate is damaging.
Psychologists studying climate communication make two additional (and related) points about why the warming - snow link is going to be exceedingly difficult for much of the public to accept: 1) people's confirmation biases lead them to pay skewed attention to weather events, in such a way as to confirm their preexisting beliefs about climate change (see p. 4 of this report); 2) people have mental models of «global warming» that tend to rule out wintry impacts.
New research has found evidence of a positive feedback mechanism brought on by climate change in which global warming itself may intensify a rise in greenhouse gases, resulting in additional warming.
But to avoid the worst impacts of climate change and keep the world on a path that could limit global warming to 2 degrees C, IEA projects that an additional 18 percent, or $ 5 trillion, in cumulative investment would be needed through 2035.
Additional projected 21st Century warming will produce a climate unlike anything experienced in the history of human civilization.
Climate scenarios from the Half a degree Additional warming, Projections, Prognosis and Impacts project (HAPPI) are largely consistent with transient scenarios extracted from RCP4.5 simulations of the Coupled Model Intercomparison Project phase 5 (CMIP5).
The think tank Climate Interactive has estimated that the U.S. on its own would account for an additional.3 degrees Celsuis -LRB-.5 degrees Fahrenheit) of warming by the year 2100 - if it leaves the Paris deal and takes no actions to reduce emissions for the rest of the centurybut other countries fully live up to their current pledges.
However, the studies also show that without additional action, the INDCs are insufficient to limit warming to below 2 °C and avoid some of the worst climate impacts.
Here are some additional linear regressions for some of the oldest data sets in the world - all show the same slight warming trend over centuries and climate variability.
The study, conducted by climate change experts from the universities of Leeds and Exeter and the Met Office, all in the UK, and the universities of Stockholm and Oslo, suggests that nearly four million square kilometres of frozen soil — an area larger than India — could be lost for every additional degree of global warming the planet experiences.
«The climate alarmists maintain that man's emissions of CO2 caused such a rapid increase world - wide, and further increases in CO2 will create additional catastrophic global warming.
Furthermore, the sustained melting of Greenland ice and other ice stores under climate warming, coupled with the impacts of a possible abrupt shut - down of the Atlantic meridional overturning circulation (MOC) after 2100, provide additional uncertainty to sea - level rise for Europe (Gregory et al., 2004; Levermann et al., 2005; Wigley, 2005; Meehl et al., 2007).
The INDCs will largely determine whether the world is on a path to avoid catastrophic climate change by avoiding additional warming of no more than 2 °C.
High mean temperatures in July decreased the growth of 40 % of white spruce at treeline areas in Alaska, whereas warm springs enhance growth of additional 36 % of trees and 24 % show no significant correlation with climate.
Implications include (i) the expectation of additional global warming of about 0.6 °C without further change of atmospheric composition; (ii) the confirmation of the climate system's lag in responding to forcings, implying the need for anticipatory actions to avoid any specified level of climate change; and (iii) the likelihood of acceleration of ice sheet disintegration and sea level rise.
If climate models are able to reproduce past warm climatic conditions (such as those of the LIG), including the extent of Arctic sea ice cover, we will have additional confidence in their representation of Arctic processes and their projections for the future20, 21,22,23.
Even in light of the complexities and uncertainties, Hulme et al. (2001) state that a «warming climate will nevertheless place additional stresses on water resources [in Africa], whether or not future rainfall is significantly altered» and they project reduced precipitation over Tunisia.
Since 1680 was long before co2 began increasing and also well before the industrial revolution, and — it would have taken considerable additional time for the low annual increase in co2, when it did finally begin, to have an impact on temperature, it's safe to state that the first 200 years of warming were merely natural climate variation.
(Athanasiou and Bear 2002) The 2oC upper temperature limit is quite controversial scientifically because, as we shall see, some scientists believe that lower amounts of additional warming could set into motion rapid climate changes that could greatly harm people around the world and increases of as little as 1oC will likely greatly harm some people in some regions.
The international community agreed at a meeting of the conference of the parties under the United Nations Framework Convention on Climate Change in Copenhagen in 2009 that the world must work together to limit warming to an additional 2oC to avoid rapid non-linear impacts from climate Climate Change in Copenhagen in 2009 that the world must work together to limit warming to an additional 2oC to avoid rapid non-linear impacts from climate climate change.
Because any additional warming from current levels could have serious consequences to those most vulnerable to climate change, those who are most vulnerable should have as a matter of procedural justice rights to consent to put at risk by the additional 2 °C goal adopted in the Accord.
Thawing permafrost also delivers organic - rich soils to lake bottoms, where decomposition in the absence of oxygen releases additional methane.116 Extensive wildfires also release carbon that contributes to climate warming.107, 117,118 The capacity of the Yukon River Basin in Alaska and adjacent Canada to store carbon has been substantially weakened since the 1960s by the combination of warming and thawing of permafrost and by increased wildfire.119 Expansion of tall shrubs and trees into tundra makes the surface darker and rougher, increasing absorption of the sun's energy and further contributing to warming.120 This warming is likely stronger than the potential cooling effects of increased carbon dioxide uptake associated with tree and shrub expansion.121 The shorter snow - covered seasons in Alaska further increase energy absorption by the land surface, an effect only slightly offset by the reduced energy absorption of highly reflective post-fire snow - covered landscapes.121 This spectrum of changes in Alaskan and other high - latitude terrestrial ecosystems jeopardizes efforts by society to use ecosystem carbon management to offset fossil fuel emissions.94, 95,96
Anyone needing additional confirmation need only read the national headlines for a couple of months and observe its ongoing response to Anthropogenic Climate Change (nee Anthropogenic Global Warming).
Studies such as Otto et al. (2012) display how the numerical scale of the simulation numbers allows for clear separation between a climate with lower level of heat - trapping gases (1960s) and the recent period (2000s), such that the 2010 heat wave in western Russia was more likely to occur with the additional warming due to climate change (Figure 3).
With warming greater than 2 °C, there is a high risk of abrupt and irreversible changes to ecosystems such as forests, which would lead to «substantial additional climate change» considering that trees sequester significant amounts of carbon dioxide.
I don't need to know all of the subtle characteristics and interactions in a climate model to understand that it doesn't account for water vapor forming additional clouds which act as a negative feedback on warming.
By 2100, tropical regions would also experience warm spells lasting up to 50 percent longer in a 2 C world than at 1.5 C. «For heat - related extremes, the additional 0.5 C increase marks the difference between events at the upper limit of present - day natural variability and a new climate regime, particularly in tropical regions,» Schleussner said.
Climate change has been steadily raising the earth's average temperature in recent decades, but climatologists expected additional warming this year and next due to the influence of El Niño.
This Synthesis Report repeats with greater certainty findings that have figured prominently in earlier IPCC assessments, that the Earth's climate is warming «unequivocally,» that the human influence in this process is «clear» and that the changing climate is very likely to bring impacts:» [w] ithout additional mitigation efforts beyond those in place today, and even with adaptation, warming by the end of the 21st century will lead to high to very high risk of severe, widespread, and irreversible impacts globally.»
Based on climate model studies and the history of the Earth, the Hansen and Sato conclude that additional global warming of about 1ºC (1.8 ºF) or more, above global temperature in 2000, is likely to be dangerous.
The social cost of carbon is the discounted monetary value of future climate change damages due to additional CO2 emissions (for example, the costs of adverse agricultural effects, protecting against rising sea levels, health impacts, species loss, risks of extreme warming scenarios, and so on).
There certainly have been times in the past when the Earth was warmer than it is now, but climate scientists project that we're only at the start of a warming response to the CO2 that's already in the air (not to mention all the additional CO2 that will be going into the air in years to come.)
This study finds that global warming of 0.6 ºC in the past 30 years has been driven mainly by increasing greenhouse gases and only moderate additional climate forcing is likely to set in motion disintegration of the West Antarctic ice sheet and Arctic sea ice.
a b c d e f g h i j k l m n o p q r s t u v w x y z