Sentences with phrase «of years timescales»

In my sense, climate scientists superbly ignore the possibility of long, secular cycles that could trigger variability on hundreds of years timescales.

In the billions of years timescale of the evolutionists I suggest that these precise conditions were, if not frequent, numerous enough to produce a fair number of fossils of all kinds including intermediates.

Not exact matches

This first quantitative interpretation of the caldera's long - term behaviour shows that there is no need to require significant non-brittle flow due to viscous19 or plastic43 movements at timescales of ∼ 10 years.

«We were a little overly optimistic with the timescales,» adds Rebecca, following initial expectations of launching at the start of the year, «but we're on track to launch in April.

In their logarithmic timescale they started with 15 billion years as the age of the universe, which is incorrect and throw off their 6 days of creation.

Their importance, he says, lies in the very act of government and business discussing these challenges and considering how to meet them: developing a «dual approach over a significant — five, six, seven - year — timescale both encourages confidence that we are all facing in the same direction, and gives us time to develop and implement a real strategy [for growth].»

«What I want to do is negotiate a new comprehensive free trade agreement with the European Union,» she said, «to have that negotiated within that two year timescale the treaty has set, and then as part of the ongoing relationship, of course we'll have an implementation period when that is put into place.»

After PCCs take office they have a tight timescale to set a budget and the level of the precept for 2013/14 which is year three (out of four) of one of the most challenging funding settlements the police service has faced.»

1 In the document, the Lib Dems profess their support for «the eradication of the structural deficit within a responsible timescale» but, in reality, they were demanding a faster pace of deficit reduction «in light of market concerns», including «some in - year cuts».

«So whatever that period is - two years, two - and - a-half years, that would have to be the timescale of the next referendum because what you would want to do is remain in the European Union while the rest of the UK moved out.»

«When we're talking about cuts of this scale, over this short a timescale, we're inevitably going to be talking about job losses, which will mean rising unemployment, increased benefit payments, reduced tax revenue and a real risk of a double - dip recession,» she said The government expects to save up to # 120m this year by freezing recruitment across the board in government departments, agencies, and quangos.

«Untangling the role of climate on sediment and reef evolution over millennial timescales: Great Barrier Reef case study estimates evolution over the past 14,000 years.»

The researchers acknowledge that comparing 2001 predictions with just five years of subsequent data represents a very short timescale relative to climate change.

What enthuses people, he says, is seeing the fruits of their labours — such as a new car catalyst — on the market on a timescale of a couple of years.

This year, members of the Anthropocene Working Group, a subset of the International Union of Geological Sciences (the body that oversees the geologic timescale), sought to change that.

The Jurassic period is a major unit of the geologic timescale that extends from about 200 Ma (million years ago) at the end of the Triassic to 146 Ma at the beginning of the Cretaceous.

«It will make detection essentially guaranteed over a timescale of a few years.»

Researchers at the Sainte - Justine University Hospital Center and University of Montreal have discovered that the genomic signature inherited by today's 6 million French Canadians from the first 8,500 French settlers who colonized New France some 400 years ago has gone through an unparalleled change in human history, in a remarkably short timescale.

These results show how the genome can record migrations on timescales of hundreds of years, not just thousands.

The Cambrian is a major division of the geologic timescale that begins about 542 Ma (million years ago) at the end of the Proterozoic eon and ended about 488.3 Ma with the beginning of the Ordovician period (ICS, 2004).

The timescale usually associated with core accretion is tens of millions of years.

Because these events unfold on billion - year timescales, each pair of galaxies observed by Hubble provides just a snapshot at a particular stage of the collision and merger process.

«Usually distant galaxies do not change significantly over an astronomer's lifetime, i.e. on a timescale of years or decades,» explains Andrea Merloni, «but this one showed a dramatic variation of its spectrum, as if the central black hole had switched on and off.»

But the duration of an SKR cycle later proved to vary by several minutes over the years, whereas a planet's rotational speed should remain nearly constant on such short timescales.

Moreover, venom research has mostly neglected ancient animal groups in favor of focusing on venomous snakes and cone snails, which are both «young» animal groups that originated only recently in evolutionary timescales, approximately 50 million years ago.

«There are very few examples in the galaxy of this process in action because this phase is short - lived, perhaps lasting only a hundred thousand years, while the timescale over which a resulting disk is visible could be only ten thousand years or less.»

«A similarly energetic reheating of Yellowstone's current sub-surface magma bodies could end approximately 70,000 years of volcanic repose and lead to a future eruption over similar timescales.»

Every timescale, no matter how sophisticated, was based either on the length of the day or the length of a year.

After a short timescale of less than 1 billion years the star formation has been quenched by powerful gas outflows.»

This suggest that important living groups such as birds might result from sustained, rapid evolutionary rates over timescales of hundreds of millions of years, which could not be observed without fossils.

They eliminated those with orbital radii less than one tenth that of Earth's, because at that distance moon systems might not remain in stable orbits around their planets on billion - year timescales.

His timescale is millions of years.

But such precision could be a hindrance when the magnetic field varies, as it does over timescales of a year or more.

«According to our study, the Atlantic / Pacific temperature difference shows pronounced variations on timescales of more than 5 years,» explained Chikamoto, USU associate professor in the department of Plants, Soils and Climate.

«According to our study, the Atlantic / Pacific temperature difference shows pronounced variations on timescales of more than 5 years.

The timescale change suggests that dinosaurs evolved relatively rapidly, and that early dinosauromorphs probably weren't part of life's repopulation after a major mass extinction 252 million years ago, scientists report online December 7 in the Proceedings of the National Academy of Sciences.

These «rapid» changes take place on the timescale of millions (rather than billions) of years and are accompanied by clear markers that Boyajian's star lacks.

But this happens on timescales of millions of years, not centuries or days, and at the end, not the middle, of a star's life.

The amount of solar heat entering Earth's atmosphere varies by about 0.1 per cent on a timescale of years as the sun's activity changes, but satellite data show no overall increase corresponding to the soaring temperatures of recent decades.

The goal of the United States and its negotiating partners is to slow Iran's «breakout time» — the timescale of a crash effort to porduce enough weapons - grade fissle material for one bomb — from an estimated 2 to 3 months to at least a year.

On the other hand, ecosystem productivity had either regained or exceeded its normal level a year after a climate event, regardless of plant diversity, showing that biodiversity has no effect on ecosystem resilience, at least on annual timescales.

«This is interesting because the modern ocean mixes on a timescale of only about 1000 years,» says Abbot.

For familiar pairs, such as the Moon and Earth, such energy loss is imperceptible even on timescales of billions of years.

The draft report says it is «very likely» that the past three decades have all been warmer than any time in the past 800 years; that we could see almost 9 °C of warming by 2300; and that «a large fraction of climate change is largely irreversible on human timescales».

The data tell a far different story: «The observations in the last 10 years are, whoa, ice sheets change far more dramatically, both in terms of magnitude of change and timescale, than we experts ever thought possible,» Bindschadler said.

Collisions take place over very long timescales compared to the length of our lifetime — several tens of millions of years.

Using the 2m Faulkes Telescope North, we conducted a search for stars in M13 that show variability over a year (2005 — 2006) on timescales of days and months.

``... the quadruple stellar system itself is bound but unstable on timescales of 500,000 years... [and therefore, young — less than 500,000 years old].»

«If a new theory published last year is correct, then powerful hydrothermal activity could have been occurring since the formation of the moon, possibly as much as the age of the solar system,» he says, adding that which timescale they are working on — tens of millions or billions — could be determined with future research.

«We tend to think of retroviruses over recent timescales, for example, HIV - 1 crossed from chimpanzees to humans about 100 years ago, leading to the AIDS pandemic,» Katzourakis said.