Sentences with phrase «present day level»

The model suggests atmospheric oxygen was likely at around 10 % of present day levels during the two billion years following the Great Oxidation Event, and no lower than 1 % of the oxygen levels we know today.

At the height of the last ice age, sea levels were about 120 metres below present day levels, and the average rise of sea level during the return to our present climate was about 1 metre per one hundred years.

Even the data used in Royer 2006 shows (in figures B, C and D on page 5667 ref: http://openearthsystems.org/data/readings/Introductory%20Reading/Royer2006-CO2climatePhanerozoic.pdf) that the CO2 levels never reached beyond 8000 ppm which is 20x present day levels.

Colder temperatures from 1500 - 750 BC caused renewed ice growth in continental glaciers and alpine glaciers, and a sea level drop of between 2 to 3 meters below present day levels.

The pH has always been present day levels, even during the K when CO2 levels were 600-1200 ppm.

«Even if you could stabilize greenhouse gas concentrations in the atmosphere at present day levels, the system has a certain amount of thermal inertia and would take several more decades to stabilize,» Meehl said.

Not exact matches

«In terms of how much is present in water reservoirs that have been sprayed with pyriproxyfen to control mosquito larvae, a person would have to drink well over 1,000 liters of water a day, every day, to achieve the threshold toxicity levels seen in animals,» Ian Musgrave, a senior lecturer in the medical school at the University of Adelaide in Australia, said in a statement.

When an ETF or stock with relative strength breaks out of a base, the first subsequent pullback to the 50 - day MA typically presents a low - risk buying opportunity because it is this level where institutions often step back in to buy.

The recent high - volume breakout above key resistance at the $ 55.50 level, followed by lighter volume consolidation, means that a volume - fueled move above the three - day high of $ 58.00 could present a near - term buying opportunity in this ETF:

A retest of this level and / or an undercut of the 10 - day / 20 - day moving averages could present a buying opportunity in this ETF.

Such a character obviously has to resist strong present - day pressures, which to a frightening degree are lowering the level of this nation's ethical standards.

Japan in 1870 was roughly at the present - day Bangladeshi level of income per head, the same as Brazil's in 1870.

From this standpoint it is at once apparent that, to unify the living forces of humanity, at present so painfully at odds, the direct and effective method is simply to sound the call - to - arms and form a solid block of all those, whether of the right or the left, who believe that the principal business of present - day Mankind is to achieve a breakthrough straight ahead by forcing its way over the threshold of some higher level of consciousness.

At another level there is need for challenging the false values that undergird much of the present - day economic development.

Symposium, Exhibition, & Concept Bar at Breakthrough Napa Valley Conference November 13, 2014: Rootstock presents a full day of high - level, provocative seminars and industry experts, wine trials and tastings, and exhibits when this revolutionary conference designed for top quality grape growers, vineyard and winery owners, and winemakers worldwide...

The team is general not good enough for the present day premier league level and that is due to our immovable manger Arsene Wenger!!!!! Give Arsene Wenger Messi and we will still be a rubbish team.

Most babies who present with true breast milk jaundice (only 0.5 % to 2.4 % of all newborns) may see another rise in bilirubin levels at about 14 days.

Taking the present - day levels of contaminants in Norwegian breastmilk and the long duration of breastfeeding (12 months) in Norway into account, the Norwegian Scientific Committee for Food Safety concludes that contaminants poses a low risk to Norwegian infants, and that the benefits of breastmilk to Norwegian infants clearly outweigh the risk presented by contaminants.

The other session on tap that day is Taking Your Program to the Next Level with NAYS, which will be presented by John Engh, chief operating officer of NAYS.

Okonjo - Iweala wrote that on the fateful day when unknown to all present at the presidential residence in Aso Villa on March 31, 2015, Jonathan had already contacted Buhari, while various high - level government officials and the Peoples Democratic Party (PDP) bigwigs were discussing whether or not he should concede.

The revelation of the level of treasury looting, coupled with the photos of choice properties in various parts of Lagos against some retired and serving Air force officers, calls to question the level of morality in our present day Nigeria.

Just a week before Metropolitan Transportation Authority Chairman Joe Lhota is due to present the MTA's 30 - day subway overhaul plan, Mayor Bill de Blasio has outlined his expectations for the MTA and Governor Andrew Cuomo — asserting that it is «time for the MTA to level with its New York City riders.»

«In order to understand coastal impacts under current and future climate and socio - economic conditions, we do not only need robust projections of mean sea level rise but also a profound knowledge of present - day and future extreme sea levels, because these events drive the impacts,» Wahl said.

The white line represents the present - day Mediterranean coastline, blue regions show the submarine area in case of a 2 km Mediterranean sea level lowering as it was proposed during the Messinian salinity crisis and red circles show the location of volcanic provinces whose activity was enhanced during the Messinian (the size of the circle is proportional the activity augmentation).

They found that after 180 days neither dose led to measurable changes in the soil's mix of DNA and molecules found in bacterial cell walls (which reveals the amount and types of bacteria present), its levels of nutrients or rate of CO2 formation — the latter of which reflects how well the bacteria are utilizing oxygen.

Although risks are distributed across all levels of economic development, wealthy countries effectively limit their present - day threat by gross domestic product — enabled infrastructure and coastal defense investments.

If there's anything more complicated than the global forces of thermal expansion, ice sheet melt and ocean circulation that contribute to worldwide sea - level rise, it might be the forces of real estate speculation and the race - based historical housing patterns that color present - day gentrification in Miami.

Researchers accounted for human influence on climate by estimating the present - day chances of Harvey's rainfall totals and then comparing them with 1950s greenhouse gas levels.

We also know that melatonin is present at low levels during the day, begins being released a few hours before bedtime and peaks in the middle of the night.

This dynamic time for East Antarctic glaciers occurred when atmospheric temperatures and atmospheric CO2 levels were similar to or higher than present day.

And from the mid-1990s to the present day, the same glaciers raised levels twice as quickly.

Using measurements of groundwater levels in the past and present day in those regions, Steward and colleagues developed a statistical model that projected groundwater declines in western Kansas for the next 100 years and the effect it will have to cattle and crops.

Using subsidence stratigraphy, the team traced the different modes of coastal sedimentation over the course of time in the eastern Indian Ocean where relative sea - level change evolved from rapidly rising to static from 8,000 years ago to the present day.

Jin Yi told SciDev.net, «The stereotyped image of present - day scientists has remained at the level of the 1980s.

The maximum thermal efficiency of present - day gasoline engines for automobiles is on the order of 30 %, believed to fall to a level as low as 15 % in states from idling to low - speed city driving.

Although atmospheric oxygen soon recovered again as photosynthesis and weathering reached a new balance, at about 10 per cent of present - day levels, the oxidative weathering of sulphides on land filled the oceans with sulphate which created abundant food for a group of bacteria that filled the oceans with sewer gas (hydrogen sulphide) toxic to oxygen - loving lifeforms (delaying the development of eukaryotic plants and animals) and turned them «into stinking, stagnant waters almost entirely devoid of oxygen.»

Table 2: Taxa present in the cervix of the patient with stage III endometriosis on the day of surgery that demonstrate a significant community level shift associated with disease.

Present day (2010 — 2014 average) and 2000 — 2014 trend data were used to estimate ozone levels in 2000.

Present - day ozone levels (section 5.1) and trends (section 6) in different regions may be associated with very different population densities.

Animals are extremely expensive to keep, and all scientists would like to see the day where animal research is no longer needed, however our level of technology at present is not sophisticated enough to remove the need for animal research.

These students present their research at the local and the District level, and the highest - rated projects go on to compete at State Science Day.

Mitrovica, J. X. & Davis, J. L. Present - day post-glacial sea level change far from the Late Pleistocene ice sheets: implications for recent analyses of tide gauge records.

Even if global emission rates are stabilized at present — day levels, just 20 more years of emissions would give a 25 % probability that warming exceeds 2 °C.

Present - day hunter - gatherers (HGs) live in multilevel social groups essential to sustain a population structure characterized by limited levels of within - band relatedness and inbreeding.

The «giant test tubes», each enclosing 40,000 litres of seawater, were then enriched in carbon dioxide to levels covering the range from present day values to those projected for the year 2150.

Studies in rodents have additionally described post-treatment elevations in the rate of fatty acid oxidation within both the liver and skeletal muscle of mice maintained on IER (100 % ER / alternate days).13 In a comparison of CER (40 % ER / day) and IER (100 % ER / alternate days), the authors of this 20 - week study noted a doubling in the Î ² - hydroxybutyrate levels (a marker of mitochondrial fatty acid oxidation) in IER - fed mice which was not present in the CER group.15 Both IER and CER interventions led to comparable reductions in fasting levels of glucose and insulin.

Not only can a personal trainer give you a full assessment of your present fitness level, help you map out your goals and how to reach them, and help you along the way to achieve your goals, a personal trainer can also help give you a guideline to how many calories you should intake over the course of the day that will help you in your quest.

But, within five days eating vegetarian: «The [present] study demonstrated clearly that even short - term dietary changes could reduce the frequency of detection and levels of major antibiotics.

Between my learning style and «full plate», I would not be able to travel nor mentally process the intense level of content presented in multi day, live courses.

With all the emphasis these days on big screen blockbuster action, superhero, sci - fi, and fantasy movies these days, it is refreshing to watch a well - made, well presented, historical based film that can touch you on a personal level.