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 st
scenarios used in the SAR were replaced by the IPCC Special Report on Emission
Scenarios (SRES), which considered various possible future human development st
Scenarios (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 s
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 s
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
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.