Sentences with phrase «various emission scenarios»

When projecting future sea levels, scientists have traditionally relied upon physical models and expert assessments to project the polar ice sheets» response to various emission scenarios.
The best estimates of the increase in global temperatures range from 1.8 to 4.0 degrees C for the various emission scenarios, with higher emissions leading to higher temperatures.
Hansen actually made some more precise predictions on various emissions scenarios and what the resulting temperature changes would be.
And the IPCC has quantified how much future warming we can expect in various emissions scenarios - in the ballpark of 4 °C above pre-industrial levels by 2100 if we continue on our business - as - usual path (Scenario A2)(Figure 2).

Not exact matches

He noted that the government is studying various scenarios for when it might peak emissions and begin to cut in absolute terms.
The agency laid out various scenarios under which states might meet targets for cutting their emissions.
Scientists used modeling to simulate various growing scenarios, and found a climate footprint ranging from -11 to 10 grams of carbon dioxide per mega-joule — the standard way of measuring greenhouse gas emissions.
The climate scientists calculated various scenarios with the models, including a very high - warming scenario in which no measures were taken to reduce CO2 emissions, so that CO2 concentrations in the atmosphere rise unabated to 2100.
Meehl and his colleagues used two sophisticated computer models of global climate to predict what would happen under various scenarios for greenhouse gas emission controls, taking into account the oceanic time lag.
Climate change scenarios are based on projections of future greenhouse gas (particularly carbon dioxide) emissions and resulting atmospheric concentrations given various plausible but imagined combinations of how governments, societies, economies, and technologies will change in the future.
The study examines permafrost carbon emissions in various climate models and under different scenarios, finding that the extra boost to warming from thawing permafrost could be 0.2 - 12 % of the change in global mean temperature.
Rather, the IPCC has produced various «emissions scenarios» that represent estimates of how greenhouse gas emissions might evolve if humans follow various paths of economic development and population growth.
The authors first simulated flow in the ice sheet's streams and shelves in response to various fossil fuel emission scenarios after the year 2010.
The FAR used simple global climate models to estimate changes in the global mean surface air temperature under various CO2 emissions scenarios.
Using global climate models and the various IS92 emissions scenarios, the SAR projected the future average global surface temperature change to 2100 (Figure 4).
The IS92 emissions scenarios used in the SAR were replaced by the IPCC Special Report on Emission Scenarios (SRES), which considered various possible future human development stscenarios used in the SAR were replaced by the IPCC Special Report on Emission Scenarios (SRES), which considered various possible future human development stScenarios (SRES), which considered various possible future human development storylines.
I focused my time on a fascinating series of talks related to emissions scenarios, how various commitments address the actual problem of global warming and how much money will be needed for which technologies (stay tuned).
Results from various assessments of impacts of climate change on agriculture based on various climate models and SRES emissions scenarios indicate certain agricultural areas that may undergo negative changes.
Science can only inform on the relative likelihood of various concentration / emission scenarios and their impacts.
Further research is needed to assess the full economic effects of various greenhouse gas emissions mitigation scenarios, the UBC researchers say.
Figure 2: Northern Hemisphere proxy temperature reconstruction (purple - Mann et al. 2008) vs. the instrumental temperature record (black) and projected 21st Century surface temperature changes in various IPCC emissions scenarios (red, yellow, green).
To date, while various effects and feedbacks constrain the certainty placed on recent and projected climate change (EG, albedo change, the response of water vapour, various future emissions scenarios etc), it is virtually certain that CO2 increases from human industry have reversed and will continue to reverse the downward trend in global temperatures that should be expected in the current phase of the Milankovitch cycle.
I focused my time on a fascinating series of talks related to emissions scenarios, how various commitments address the actual problem of global warming and... Read more
This fact sheet provides context for the U.S. GHG reduction targets and a synthesis of WRI and other scenarios that present possible GHG emissions trajectories for the U.S., given various assumptions.
In the area of climate change, the report highlights the findings of its Emissions Gap Report 2013 — which details the gap between current global emissions and the reduction needed to remain on track to meet the 2 degree Celsius global warming target — and its Africa Adaptation Gap Report, which describes the costs of adaptation measures on the African continent under various global warming sEmissions Gap Report 2013 — which details the gap between current global emissions and the reduction needed to remain on track to meet the 2 degree Celsius global warming target — and its Africa Adaptation Gap Report, which describes the costs of adaptation measures on the African continent under various global warming semissions and the reduction needed to remain on track to meet the 2 degree Celsius global warming target — and its Africa Adaptation Gap Report, which describes the costs of adaptation measures on the African continent under various global warming scenarios.
The SAR included various human GHG emissions scenarios, so far its scenarios IS92a and b have been closest to actual emissions.
Using that sensitivity, and the various IS92 emissions scenarios, the SAR projected the future average global surface temperature change to 2100 (Figure 3).
This warming must be from various, plausible CO2 emission scenarios, and not from natural causes, of course.
This suggests that IPCC projections of future global warming, which are based on various possible human greenhouse gas emissions scenarios, are reliable.
It is the «peaking year» for CO2 emissions in one of several categories of scenarios, where CO2 is stabilised at various concentrations or less, thereby stabilising average global temperature at an amount above the «preindustrial average».
Meehl and his colleagues used two sophisticated computer models of global climate to predict what would happen under various scenarios for greenhouse gas emission controls, taking into account the oceanic time lag.
A review by the Center for Climate and Energy Solutions (C2ES) of five detailed studies published recently by various NGOs and federal energy forecasters (M.J. Bradley, the Energy Information Administration, the Bipartisan Policy Center, the Rhodium Group for the Center for Strategic and International Studies, and the Nicholas Institute) finds that the CPP will only require about an 18 percent emissions reduction beyond business - as - usual scenarios from now through 2030.
Synapse conducted modeling of the California ISO (CAISO) area using PLEXOS to assess loads and emissions throughout California based on various California Public Utilities Commission scenarios in connection with the Long Term Procurement Plan proceeding affecting the three largest investor - owned utilities in California.
That's in the IPCC AR4 Working Group 1, Summary for Policymakers, so one doesn't have to read very far to see what the IPCC actual projections are... that the projected trends are significantly lower than what Monckton claims and the fact that they are fairly scenario - independent over the next 20 years or so (which isn't that surprising given that it takes a while for the emissions in the various scenarios to diverge significantly and that half of the rise is projected to be due not to ANY additional emissions but simply to the greenhouse gases already present in the atmosphere).
In a new study published in the Journal of Climate, the Community Earth System Model Large Ensemble (CESM - LENS) of simulations is used to explore how various characteristics of the mid-latitude atmospheric circulation (zonal flow, synoptic blockings, jet stream meanders) evolve along the course of the 21st century under the RCP8.5 scenario of anthropogenic emissions.
-- which can be found here, draws upon the results of a series of UK Government - sponsored studies which employed the IPCC's emissions scenarios to project future climate change between 1990 and 2100 and its global impacts on various climate - sensitive determinants of human and environmental well - being (such as malaria, hunger, water shortage, coastal flooding, and habitat loss).
Look more closely, the historical data is blue in the graphs, the projections for various scenarios (i.e. how we control emissions) are the yellow part.
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