Sentences with phrase «estimate total emissions»

Using data from the 267 reservoirs, the authors estimate total emissions from all reservoirs worldwide and conclude that those water storage facilities account for 1.3 % of all manmade greenhouse gas emissions.

Landfill methane emission rates are estimated using the first - order decay method recommended by the Intergovernmental Panel on Climate Change (IPCC), in order to estimate both total emissions reductions for landfill gas - to - electricity generation and an increase in landfill gas flaring.

They are plugged into equations to estimate total emissions from industrial activities, such as the burning of coal in boilers.

Using correlations between concentrations of CH4 and carbon monoxide (CO) we estimated total emissions of 30.8 Tg CH4 during the 2008 monsoon season (June — September), 19.7 Tg of which were identified as additional, monsoon - related biogenic methane using the relationship of CH4 to ethane (C2H6).

Not exact matches

Disregarding the aviation certificates, multipliying the total with 1/0.45 results in a conservative estimate of a total emission of 100 billion tons of CO2.

Some cities estimate total city emissions, while others focus on their 10 «primary sources.»

The new investment in carbon offsets and RECs should match the league's total greenhouse gas emissions, estimated at 550,000 metric tons, according to a league - commissioned report from the Natural Resources Defense Council and the Green Sports Alliance, a nonprofit that works with sports leagues on environmental sustainability.

But while wildfires are estimated to contribute about 18 percent of the total PM2.5 emissions in the U.S., many questions remain on how these emissions will affect human populations, including how overall air quality will be affected, how these levels will change under climate change, and which regions are to most likely to be impacted.

In the Midwest NOx emissions from soils have been estimated to comprise up to 40 percent of the total emissions in the summertime.

Alaska composes about one percent of Earth's total land area, and its estimated annual emissions in 2012 equaled about one percent of total global methane emissions.

The United Nations Environment Program estimates that the total global emissions of mercury are between 4400 and 7500 tonnes a year.

Although the country ranks among the top 20 percent most efficient in the world in terms of emissions intensity by the intergovernmental organization International Energy Agency, its total greenhouse gas emissions jumped by 74 percent from 1990 to 2012, according to the estimates of D.C. - based think tank World Resources Institute.

Earlier last year, Bloomberg New Energy Finance estimated that total carbon emissions in the world's second - largest economy dropped 2 percent in 2014 compared with a year ago, the first drop since 2001.

His estimates show that compared to the earlier targets, the new plan will avoid annual carbon emissions of more than 400 million tons, the equivalent to the total fossil emissions of Australia and New Zealand combined.

From this the researchers were able to estimate the total greenhouse emissions due to land conversion.

The findings suggest that overestimates of China's emissions during this period may be larger than China's estimated total forest sink — a natural carbon store — in 1990 - 2007 (2.66 gigatonnes of carbon) or China's land carbon sink in 2000 - 2009 (2.6 gigatonnes of carbon).

By charting the energy distribution of the detected positrons, an inspector could estimate how much of the total antineutrino emission was from a given fuel type in a reactor's core.

A 2014 Chatham House report found greenhouse gas emissions from the livestock sector are estimated to account for 14.5 percent of the global total, more than direct emissions from the transport sector.

The paper joins other academic research focused on the social cost of carbon, a measure used in climate regulations that estimates the total cost of future damage from additional carbon emissions.

Even so, the IPCC estimates above indicate: 1) Total Net Atmospheric Carbon Emissions to 2100 will amount to ~ 2050 PgC (or more) on current Trends, 2) A BAU projected estimate would push CO2 to ~ 952 ppm by 2100 (or more), and 3) Global average temperature increase / anomaly would be as high as ~ 6.8 C by 2100

Experts estimate that emissions from the degradation of mangroves can be as high as 10 % of total emissions from deforestation globally, even though mangroves account for only 0.7 % of tropical forest area *.

Overall, the total amount of CH4 emissions that atmospheric scientists see from high latitudes is half of that in bottom - up estimates, and scientists are working to understand this discrepancy [Bruhwiler et al., 2014].

The most recent U.S. Environmental Protection Agency estimates for greenhouse gas emissions from the oil and natural gas sector, released last week, show that as the number of such facilities have increased in the U.S. between 2011 and 2014, total greenhouse gas emissions from oil and gas operations have risen by about 6.2 percent.

For the MERCEDES - BENZ CLS - Class Shooting Brake selected, data type, mileage and driving style, results are estimated for total emissions for carbon dioxide (CO2), nitrogen oxides (NOx) and particulate (PM10).

In combination with the 1.6 - liter direct - injected engine, Ioniq Hybrid offers an estimated total system output of 139 horsepower while providing low emissions, outstanding efficiency and range.

For the MERCEDES - BENZ C - Class Saloon selected, data type, mileage and driving style, results are estimated for total emissions for carbon dioxide (CO2), nitrogen oxides (NOx) and particulate (PM10).

In addition, the discrepancy in methane source estimates is particularly pronounced in the south - central United States, where we find total emissions are ∼ 2.7 times greater than in most inventories and account for 24 ± 3 % of national emissions.

However the estimates of natural CH4 sources are all quite uncertain — with the main constraint being on the total emissions, not individual sources.

The study derives an estimate of a total methane emission rate from the East Siberian Arctic shelf area based on the statistics of a very large number of observed bubble seeps.

Study results show that total emissions are in line with EPA estimates from the production of natural gas, yet the distribution of those emissions among activities differ.

Indeed, Jacobson estimates that the opportunity costs of nuclear — the CO2 emissions that result from not using the resources consumed by expanding nuclear to expand renewables and improve efficiency instead — exceed the total CO2 emissions from the entire nuclear power plant lifecycle.

Experts agree that methane leaked or vented from natural gas operations is a real concern, yet estimated emission rates vary greatly 3/4 from 1 to 8 percent of total production.

The total warming from methane, nitrous oxide and aerosol emissions were each estimated from climate model simulations driven by historical forcing pathways for each gas, and were allocated to individual countries as described in section 2.

The total warming from CO2 emissions represents the sum of all individual country contributions, estimated based on the climate response to cumulative emissions.

To which we must add the additional anthropogenic emissions of CO2 over the next few years, which will bring us to a total CO2 equivalent of 850 ppmv (David's estimate plus Hanson's estimate of near term anthropogenic CO2 emissions.)

It is estimated that the landfill gas supports approximately 2MW of installed capacity and that a total of 701,347 tCO2eq of greenhouse gas emissions will be reduced within the first crediting period.

mass (air), where ratio (CO2 / air) = 380 ppm = 380 parts CO2 per 1 million parts of air molecular mass (CO2) = 44 kg / kmol — molecular mass (air) = 28.8 kg / kmol Thus, Mass (CO2) = 3 x 10 ^ 15 kg = 3,000 Gigatons Man - made emissions of CO2 are estimated at 110ppm, which is 28.95 % of the total CO2 and that equals 868 Gigatons = 0.0164 % by mass of the total atmosphere.

I think I get your point, but to avoid confusion it would really help if you could just state your best estimate of the realtive contribution of N2 / O2 and CO2 to total emission from the atmosphere.

Comparing those with estimates of the total amount of greenhouse gas emissions, they found that each additional metric ton of carbon dioxide sent into the atmosphere reduced the amount of sea ice by three square meters, or about 11 square feet.

Through both carbon sequestration and avoided emissions (because water being retained by green infrastructure isn't needing energy intensive pumping and treatment), the plan is estimated to reduce CO2 by a total of 73,000 tons per year.

For the year 1990, when these estimates are included in total CO2 emissions, the percentage reductions in emissions ranged from 1 to 81 percent, and for Australia and the United Kingdom, the emissions added 24 and 3 percent, respectively.

In fact, US states alone deliver more than two thirds of the total estimated emissions reductions.

g A range of estimates of emissions from cultivated peatlands and non-viable drainage areas were included, thus a range for the total estimates from land - use change and forestry are given in

It's estimated that more than 12,000 installations accounting for 46 % of total EU CO2 emissions will be covered.

Each spreadsheet lists the model estimates of capacity additions (what electric generating capacity the model and what the states tell the model to include because of regulations); generation (how much the existing and projected units will produce); prices (including firm power prices, energy prices, capacity prices, allowance prices, natural gas prices, and renewable energy credit prices); total CO2 emissions; fuel consumption for different fuel types; and transmission flows into and out of the RGGI power grids.

Multiplying the total budget amounts by the observed emission reductions dollars per ton benefits is all that is necessary to estimate how much CO2e is expected to be reduced.

Using the same methodology as for the generation estimate I calculated the total emission reductions.

Our analysis combines published relationships between cumulative carbon emissions and warming, together with two possible versions of the relationship between warming and sea level, to estimate global and regional sea - level commitments from different emissions totals.

Estimates of total global warming emissions depend on a number of factors, including wind speed, percent of time the wind is blowing, and the material composition of the wind turbine [13].

The combined non-CO2 GHG reduction potential for these sources is estimated at nearly 300 million metric tonnes (330 million U.S. tons) of carbon dioxide equivalent by 2030 — more than the Netherlands» total annual GHG emissions.