Sentences with phrase «emissions changes»

In each case they studied how carbon dioxide emissions change over time, and how long - lived the carbon dioxide is.
In addition, the regional distribution of emissions changes drastically over time.
Direct emissions changes include reductions in efficiency from factors like increased drag from sensor equipment and the power consumption of required computing and communications equipment.
By the year 2100, the 2001 IPCC report predicted between 20 and 70 centimeters (cm) of sea level rise, while the 2007 report predicted between 18 and 59 cm over that timeframe, depending on how much greenhouse gas emissions change in the future.
Three of its instruments would simultaneously measure energy spectra and polarization of x-rays from cosmic sources, and track how emissions change over microseconds to milliseconds as objects pulsate or rotate.
COBRA uses a reduced form air quality model, the Source - Receptor (S — R) Matrix, to estimate the effects of emission changes on ambient PM.
Another study co-author, Kim Wickland, United States Geological Survey, said, «This study provides important data for better accounting of how methane emissions change after wetland drainage and flooding.»
Another study co-author, Kim Wickland, of the United States Geological Survey, said: «This study provides important data for better accounting of how methane emissions change after wetland drainage and flooding.»
We found that GHG emission changes range from a 23 percent reduction to a 36 percent increase over the Tiida.
SO2 emissions changes prior to 1860 are assumed to be negligible
«And not only do we know if explosives are there, we can quantify the amount of explosive by looking at how the light emission changes over time.»
With each pass of the sky, astronomers hope to gather more information about faraway, gamma - bright objects, watching them evolve as their gamma - ray emissions change over time.
Recently, we have established the cross-correlation of infrared absorption and fluorescence emission changes to observe long range coupling of conformational changes and domain movements in rhodopsin.
Pitari, G., E. Mancini, V. Rizi, and D. Shindell, 2002: Feedback of future climate and sulfur emission changes an stratospheric aerosols and ozone, J. Atmos.
As noted by Shine et al. (2005b), there is a near equivalence between the GTP for sustained emission changes and the pulse GWP.
Timely, robust and credible GHG data forms is essential to identify key non-CO2 GHG emissions sources, assess emissions changes over time and prioritize actions to curb emissions, not to mention serving as a key indicator for tracking policy implementation and effectiveness.
The RF due to dust emission changes induced by circulation changes between 1750 and the present are difficult to quantify and not included here (see also Section 7.5).
National emissions changed substantially in 2017 compared to 2016 for several countries (see figure).
Hence the evolution of the CH4 lifetime depends on the relative timing of NOx and hydrocarbon emission changes in the emission scenarios, causing the calculated CH4 increase in 2100 to be reduced by 27 % when climate change is considered.
The response of the global budget of SOA to temperature and moisture changes as well as to biogenic emission changes over a decade (1984 - 1993) has been evaluated.
Unger, N., D.T. Shindell, D.M. Koch, and D.G. Streets, 2006: Cross influences of ozone and sulfate precursor emissions changes on air quality and climate.
Led negotiations on New Source Review enforcement matters involving single and multiple facilities, including preparation of historic analysis of modifications and emission changes convincing agency that no further action was required.
Thus a grand solar minimum would have to cause about 1 °C cooling, plus it would have to offset the continued human - caused global warming between 1 and 5 °C by 2100, depending on how our greenhouse gas emissions change over the next century.
Cutting CO2 emissions changes the warming path mostly starting in the second half of the century — the only way to do anything over the next few decades is to go after short - lived species, not instead of CO2, but in addition.
Rensfeldt, Arvid and Pariyawong, Vorapat and Fujii, Hidemichi (2015): Corporate environmental management and GHG emissions changes: Empirical study of multinational automobile companies.
We study the effect of sulphur and black carbon (BC) emission changes between 1996 and 2010 on the global energy balance.
Pitari, G., E. Mancini, V. Rizi, and D.T. Shindell, 2002: Impact of future climate and emission changes on stratospheric aerosols and ozone.
Concentration at stabilization including GHGs and aerosols (2008 = 395 ppm) Peaking year of CO 2 emissions Change in CO 2 emissions in 2050 (percent of 2000 emissions) 2.0 -2.4350-400445-4902000-2015 − 85 to − 50 2.4 -2.8400-440490-5352000-2020 − 60 to − 30 2.8 -3.2440-485535-5902010-2030 − 30 to +5 3.2 -4.0485-570590-7102020-2060 +10 to +60 4.0 -4.9570-660710-8552050-2080 +25 to +85 4.9 -6.1660-790855-11302060-2090 +90 to +140 Data from: IPCC, 2007: Synthesis Report.
So these two articles are suggesting that a grand solar minimum could have a cooling effect of about 1 to 6 °C, depending on how human greenhouse gas emissions change over the next century.
If those emissions change, we are in a good spot to see it.»
As we discussed recently in connection with climate «forecasting `, the kinds of simulations used in AR4 are all «projections» i.e. runs that attempt to estimate the forced response of the climate to emission changes, but that don't attempt to estimate the trajectory of the unforced «weather».
Peugeot is confident that the 308 GTi's 266bhp output won't be affected by the emissions changes.
Since a big recession might hit coal - burning utilities» customers more than other utility customers (to name one example) or hit coal - using industries like cement and steel more than others, one has to look carefully not only at CO2 emissions changes but at underlying economic activity or personal activity changes and how those are tied to emissions in a disaggregated way.
Changes to aerosol concentrations can be reversed in a few weeks after an emission change.
«I think some of this is the hangover from the Clintonian era, when some of these emissions changes seemed inevitable,» he said.
Projections of the global average CO response to emissions changes in the year 2030 for three different scenarios are quite consistent among the models.
These developments illustrate another certainty: the future of coal in the US, UK and Germany will have a huge impact on how their emissions change this year, and for years to come.
Putting the findings together from both models they were able to calculate the direct and indirect emissions associated with biofuels, and consider how the emissions change over time.
You can say that if all other variables stay the same, if only the emissions change, we will have this particular result in 20 years.
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