Sentences with phrase «model over estimates»

When a model over estimates a key parameter by 20 % in the first year I don't put much weight into their projections in 2030.

The issue is the time of the year, latitude and type.The Krakatoa problem is well known eg Stenchikov 2006 ie that the models over estimate the global forcing.Hansen suggested that the observations were incorrect, however the Giss model gets the AO sign incorrect and arctic central temps incorrect in scale and time so.This is due to the incorrect heteregenous chemistry at high latitudes eg chapter3 WMO 2003, Ozone assessment 2011.

Not exact matches

According to estimates from Cairn Energy Research Advisors, Tesla could ship a little over 400,000 of its Model 3 cars by the end of 2020.

Likewise, recent estimates by the Tax Policy Center and the Penn Wharton Budget Model show that dynamic effects would marginally reduce the revenue loss in the first decade but significantly increase it over the long run because of the economic consequences of higher debt.

Higgins said he doesn't have a philosophical issue with the single - payer model, but while some are estimating Sanders plan could cost more than $ 30 trillion over a decade — with no plan from the senator at the moment on how to cover that cost — his comes at no extra charge to the government.

«We determined we need to be irrigating at 75 percent of our past ET levels as estimated with the current model and finding hybrids that better tolerate stress,» Brauer said, adding this was from studies conducted by Xu and Marek over several years.

When scientists use climate models for attribution studies, they first run simulations with estimates of only «natural» climate influences over the past 100 years, such as changes in solar output and major volcanic eruptions.

The computer models used to generate the maps also estimate where, how often and how strongly ground shaking from an earthquake could occur, so that residents, engineers and city planners can see the likelihood that their community will experience a damaging earthquake over the next year.

When the team combined OCO - 2 data from selected passes over certain power plants in the United States with computer models of how emissions plumes would disperse, its estimates of those plants» emissions fell within 17 % of the actual amounts those facilities reported for those days, the researchers report this week in Geophysical Research Letters.

«By using pre-existing ocean model output we can estimate which areas could potentially be affected over weekly to monthly timescales, and quickly at low computing cost.

«By looking at the decline in fish food over time, we can estimate how much our total potential fisheries catch could be reduced,» said Moore, who helped develop the Community Earth System Model employed in this study.

These models are nearly all designed to estimate biofuels» effects on prices over the long term, after farmers have ample time to plow up and plant more land, and do not speak to prices in the shorter term.

Rather than using complex computer models to estimate the effects of greenhouse - gas emissions, Lovejoy examines historical data to assess the competing hypothesis: that warming over the past century is due to natural long - term variations in temperature.

Next they fitted their model to the data on dengue occurrence in the Yucatán over previous years and ran simulations to estimate the impact of potential vaccination strategies.

«Sea - level rise could nearly double over earlier estimates in next 100 years: Researchers model effects of melting Antarctic ice sheets.»

The paper's model of the new funding approach calls for an outlay of $ 38.4 billion over 13 years for research; the costs of Medicare and Medicaid support for Alzheimer's patients in 2014 alone is estimated to be $ 150 billion.

The group discovered that temperatures have changed by about 8 to 10 degrees Fahrenheit (4 to 5 degrees Celsius) over that span — more than scientists had previously thought, and more than most models have estimated.

The model provides a conservative estimate of soot's impact, he says, because the simulated concentrations of soot were generally lower than real - world values over the last 40 years.

A recent report from the parliamentary budget officer estimates that a universal, public pharmacare system would save Canadians more than $ 4 billion per year while this study suggests that applying Quebec's private - public model in all provinces would cost Canadians over $ 5 - billion more per year than they currently pay.

For example, the model estimated that there would be 493 cases of breast cancer over 306,298 person years among women with the lowest intake of red meat.

In the subsequent Marine Mammal Science paper just out, the catches were among the key pieces of information used to model the size of the California blue whale population over time — a model previously used by other groups to estimate populations of hundreds of fish and various other whale species.

To their surprise, the total mercury levels were similar, despite the fact that their modeling estimated a 9 % to 26 % increase in the concentration of inorganic mercury at the ocean surface over the same time period.

«The study provides more realistic modeling estimates of how much vegetation change will occur over the 21st century and will allow better predictions of future climate change,» she said.

Using a mathematical model, they estimate the number of people with a COPD diagnosis in England will rise from just over a million cases in 2011 to more than 1.3 million by 2030.

Decline in cognitive test scores over 10 years (% change = change / range of text × 100) as function of baseline age cohort in men and women, estimated from linear mixed models.

They also argue that their estimate, which is based on statistical models only, has a major advantage over physically based considerations (theoretical models), because the latter would require a perfect knowledge about the underlying physical and chemical mechanisms.

Recent innovations in multivariate models allow researchers to simultaneously estimate multiple determinants of current ability as well as changes in ability over time (Jacobucci et al., 2018).

Longitudinal mixed models were also used to estimate the effect of vaccine dose on mean log - transformed antibody levels over time, using a spatial exponential covariance structure to model the correlation between measurements from the same individual while taking into account the number of study days between measurements.

This involves a combination of satellite observations (when different satellites captured temperatures in both morning and evening), the use of climate models to estimate how temperatures change in the atmosphere over the course of the day, and using reanalysis data that incorporates readings from surface observations, weather balloons and other instruments.

Rather than use a model - based estimate, as did Hansen (2005) and Trenberth (2009), the authors achieve this by calculating it from observations of ocean heat content (down to 1800 metres) from the PMEL / JPL / JIMAR data sets over the period July 2005 to June 2010 - a time period dominated by the superior ARGO - based system.

One recent modeling study focused on this mode of instability estimated that the Antarctic ice sheet has a 1 - in - 20 chance of contributing about 30 centimeters (1.0 feet) to global average sea - level rise over the course of this century and 72 centimeters (2.4 feet) by the end of the next century.

~ 3C seems to be heading towards ~ 2.5 C. I am encouraged as I have been a somewhat vocal critic that when models have been over estimating the temps fairly consistently that it somehow wasn't translating into lower CS estimates, or constraining the upper range.

According to the model's estimates, those benefits were modest — 12 percent — during the seven - month trial period, and increased to 45 percent only when the researchers considered impacts over several years.

This model would commence operation in 2014 and inject an estimated A$ 14.5 billion dollars over six years, with the Commonwealth contributing two thirds of this new funding, in line with their greater fiscal revenue.

Then, I build a structural demand model to estimate the preferences of students over programs and evaluate the effectiveness of alternative financial aid policies.

Using a unique identification strategy that employs grade - level turnover and two classes of fixed - effects models, this study estimates the effects of teacher turnover on over 850,000 New York City 4th and 5th grade student observations over eight years.

His studies include the design and estimation of value - added growth measures of school and teacher effectiveness, and he has estimated value - added models for schools in over 25 states.

Response In a 2003 report, it was estimated that over 400 different CSR models have been adopted by schools nationally!

[10] There is debate [11] over whether value - added models accurately capture the true contributions (in statistical parlance, «causal estimates») of schools and teachers as opposed to simply identifying correlational relationships.

Over its 35 - year life, OCTA estimates that the TIFIA loan will save OCTA about $ 300 million, and will also ensure accelerated delivery of the Project using the design - build model.

Despite the slight speed advantage, the AMG Performance package holds over the standard model, Mercedes maintains that both achieve the same manufacturer - estimated 16 mpg combined.

Everything will be on a higher level with this new model, though, with power estimates ranging over 400 hp, a big step up from the last TT RS» 360 hp.

It's estimated over the next three years Ford will come out with more new models faster than anyone else.

Based on the new requirements, Honda estimates the 2015 Accord Hybrid ratings would be 48/45/47 (actually rated at 50/45/47 under the previous method), indicating a +1 / +2 / +1 increase for the 2017 model over the previous version.

The new, General Motors - developed Hydra - Matic 9T50 nine - speed is paired with the available 2.0 L Turbo engine in the Malibu, contributing to an EPA - estimated 33 mpg highway — a 3 percent increase over the 2016 model with the eight - speed automatic.

Even though the 2015 model will gain power, Volkswagen promises it'll be more fuel efficient than its predecessor, returning an EPA - estimated highway fuel economy rating of 30 mpg with the DSG transmission, a small bump over the 27 mpg highway economy allowed by the previous version.

While the new Prius c is the smallest of Toyota's eight hybrid models, it has many advantages over other small cars, including its available Toyota Safety Sense - C system and remarkable 53 mpg EPA - estimated city fuel economy.

But the big news is the introduction of an all - new SkyActiv - G 2.5 T engine that contributes to an estimated 20 percent reduction in fuel consumption over the previous model 3.7 - liter V6 engine.

The analysis estimates that from manufacture to disposal, the all - new Premacy will produce six percent less CO2 over its lifetime than the previous model.

The horsepower estimate is the same, but the torque is an 11 percent increase over the previous model's 163 lb - ft of torque, so the new CR - V is quicker.