Sentences with phrase «trends over a century»

We have an infrastructure for disaster mitigation that has had tremendous successes over many decades (e.g., look at loss of life trends over a century).

If I have a trend over a century caused by a response (say) to rising CO2 or solar variability, then the auto - correlation will be larger than if I just had non-climatic noise (of whatever colour).

-- I calculated potential intensity trends over the period 1980 - 2012 & The disparity between the reanalysis potential intensity trends over the past 30 years and the projected trends over this century suggests either that most of the observed increase in potential intensity (and actual intensity of high category storms) is due to natural variability,....»

There are such large differences in the trends over these centuries both for temperature and for TSI (the only consistency is that the trends are all positive) that any attempt to analyse the influence from these data is hopeless.

At the risk of oversimplifying, the effects of groundwater storage can be differentiated between shallow - aquifer effects that modulate global sea level on year to year and decade to decade timeframes, versus deep aquifer effects that modulate sea level trends over centuries and millennia.

Here are some additional linear regressions for some of the oldest data sets in the world - all show the same slight warming trend over centuries and climate variability.

Not exact matches

But this trend has significantly reversed over the past two centuries.

Clearly, over the last century retail has changed a lot, but if you analyze the trends, success comes down to three factors: Convenience, spontaneity and experience.

I used smoothed silver prices over the last century to filter out short term fluctuations to highlight the basic trend of silver prices.

Demographic trends have shifted dramatically in the U.S. over the past half century toward an older population, and hence potential growth has to be structurally lower today, even as we hire great numbers of people (to say nothing of deploying ever greater numbers of robots).

But trends in rationalism and scientism over the last two centuries turned it into a «value - free» social science» to some, just a form of applied mathematics.

Twentieth - Century Catholic Theologians: From Chenu to Ratzinger by fergus kerr blackwell, 240 pages, $ 29.95 Over the last decade, a Scottish Dominican named Fergus Kerr has produced a series of books designed to orient readers to contemporary trends.

once more: look at the data and then deduce your own hypothesis to explain the glaringly sharp spike on the right side of the x / y chart which plots global temperature trends over the last 2 centuries.

But, given the development of liberalism over the past two centuries, this would seem to require a deliberate act of the will contrary to long «unfolding and deep «seated historical trends.

The 1990s is now regarded as the crucial decade which will determine population trends over the next century.

Gateway attributes it success over the past quarter - century to not only growing by expansion, but by being dynamic and keeping pace with market trends.

The research, commissioned by Linda McCartney Foods to celebrate the famous vegetarian food brand's 25th birthday, looked back at food trends over the past quarter of a century and forward to the next quarter.

«If the trends continue through this month, the people of this city will have had the safest year on record in over half a century,» said Mayor Bill de Blasio, who presided over the briefing with NYPD Commissioner James O'Neill.

Dr. Stephen Vermette, a SUNY Buffalo State climatologist and geography professor, recently analyzed data on climate trends in Western New York over the last half - century.

First, they compared simulated and observed temperature trends over all 15 - year periods since the start of the 20th century.

Because of the strong recent warming, the updated trend over 1906 to 2005 is now 0.74 ± 0.18 degree C. Note that the 1956 to 2005 trend alone is 0.65 ± 0.15 degree C, emphasizing that the majority of 20th - century warming occurred in the past 50 years.

By drawing on the World Bank's projections of socioeconomic development over the next quarter century, researchers at the World Health Organization set out to forecast global trends in death and disease.

The researchers documented that the North Pacific High has become more variable over the past century, and that these trends have been imprinted on physical and biological indicators from the continental slope to the Sierra Nevada and beyond.

There's a historic trend in that direction based on observations over the last century or more.

The epicenter of agricultural production has moved north and west over the past half - century, and that trend will likely continue at an accelerated pace due to global warming, a new study finds.

The model also fails to fully account for the dramatic technological, economic, and demographic trends that have swept the world over the past century, says economist Holger Strulik, a visiting professor at Brown University.

In the following sections we highlight trends in fungicide development and use over the last century in light of the ever - changing spectra and intensities of fungal pathogens, which have often occurred as a consequence of changing cropping systems.

While the nation's weather in individual years or even for periods of years has been hotter or cooler and drier or wetter than in other periods, the new study shows that over the last century there has been no trend in one direction or another.

Indeed, the dampened late 20th century winter warming over a substantial part of Greenland, particularly the western and southern regions emphasized by the network of stations analyzed by Vinther et al, is known (see e.g. this NOAA page) to be associated with a trend toward the positive phase of the Arctic Oscillation («AO») pattern.

The interval over which we expect cooling of the interior is when ozone depletion was accelerating (1960s through late 20th century) and this is precisely when we reproduce the cooling trend both in the reconstruction (primarily during the Austral fall season) and the model simulation experiments discussed in the paper.

In the paper Retreating Glacier Fronts on the Antarctic Peninsula over the Past Half - Century published this week in Science, we presented new data describing trends in 244 marine glacier fronts on the Antarctic Peninsula over the last 50 years.

The findings suggest that Antarctic sea ice has fluctuated substantially through the last century, rather than experiencing the sort of steady trend seen in the Arctic over many decades.

This shows annual precipitation trends over the 20th century.

The Sun's slightly variable output accounts for some of earth's temperature fluctuations, but the steady warming trend, seen over centuries, will probably continue for surprising reasons.

Past analyses have found ENSO was responsible for 15 to 30 % of interseasonal variability but little of the global warming trend over the past half century (Jones 1989, Wigley 2000, Santer 2001, Trenberth 2002, Thompson 2008).

Meteorologist Bernadette Woods Placky explains why global temperatures have been on an upward trend for over a century, and why that hot streak is unlikely to end.

Knutti et al. (2002) also determine that strongly negative aerosol forcing, as has been suggested by several observational studies (Anderson et al., 2003), is incompatible with the observed warming trend over the last century (Section 9.2.1.2 and Table 9.1).

Modest fashion is surely one of the most inspiring fashion trends of the century, which is why it has taken over the world in recent times.

As a general trend during the 20th century, academic expertise came to prevail over character as public schooling's clear priority.

Burke blames the national trend of lower scores on «increasing federal intervention over the past half - century... the resulting burden of complying with federal programs, rules, and regulations, have created a parasitic relationship with federal education programs and states, and is straining the time and resources of local schools.

It is long past time to move to the next level of reform and accountability — the extrinsic type — and this is the trend we must and will see over the next several decades in what I believe will be the civil rights revolution of the 21st century, which I think will play out simultaneously on the two tracks I have just mentioned: the delivery system for education and the means by which we prepare and compensate educators, primarily teachers.

California, New York and Texas, all states that have been profoundly altered by immigration trends over the last half - century, are among the most segregated states for Latino students along multiple dimensions.

The analysis focuses on the ELA components of the standards, but what it says about the assumptions driving them and how they were constructed is important: «The blanket condemnation made by the CCSS authors that school reading texts have «trended downward over the last half century» is inaccurate» — particularly so, the authors of the study found, in the K - 3 grades.

It looks like the SUV trend has finally caught up with the manufacturer that's sat atop the automotive pyramid for over a century.

In clean, bright, and provocative language, a cultural critic and historian discusses trends in art, literature, music, and history over the past five centuries.

In celebrations of its 25th year, this year's show will host a series of seminar sessions looking back on the tourism revolution in the MENA region over the last quarter of a century, while exploring how the industry will shape up over the next 25 years, in light of geopolitical tensions, economic uncertainties, huge technological advances and, of course, the increasing trend of responsible tourism.

• The methanetrack.org website has shown significant increases in atmospheric methane concentrations over Antarctica this austral winter (which I believe are due to increases in methane emissions from the Southern Ocean seafloor due to increases in the temperature of bottom water temperatures), and if this trend continues, then the Southern Hemisphere could be a significant source of additional atmospheric methane (this century).

They claim that GCM simulations produced trends over the twentieth century of 1.6 to 3.74 ºC — which is simply (and bizarrely) wrong (though with all due respect, that one seems to come directly from Mr. Gregory).

If one examines our model's control simulations for the 1982 - 2006 period, which show a trend towards increasing hurricane activity over this period, and correlates this activity with SST in the Main Development Region, and then tries to use this correlation to predict the 21st century behavior of the model, it clearly doesn't work.

Huang, Shaopeng, Pollack, Henry N., and Shen, Po - Yu (2000) «Temperature trends over the past five centuries reconstructed from borehole temperatures,» Nature, 403 (17 February 2000), 403, 756 - 758.