Sentences with phrase «past periods they studied»

Not exact matches

The authors claimed that an «Increasing numbers of academic studies are finding that mental health problems have been soaring among girls over the past 10 - and in particular five - years, coinciding with the period in which young people's use of social media has exploded.»

(A recent study by three Boston University researchers found that patent trolls have cost publicly traded companies an average of $ 83 - billion annually over the past four years, more than a quarter of all U.S. industrial research and development spending during that period.)

This alternative way, one which I have followed in my The Nature of Physical Existence (Allen & Unwin, in the Muirhead Library of Philosophy, 1972), is to seek to recover the problematic of the philosophy of nature though a study of the philosophy of nature in past periods, particularly those in which it has been vigorous.

Scientists are studying ice from different climate periods in the past to better understand how the ice sheet might respond in the future.

In the final study, participants also answered questions about the time period on which they focused — that is present, past, or future — and the emotions they experienced.

DeConto and Pollard's study was motivated by reconstructions of sea level rise during past warm periods including the previous inter-glacial (around 125,000 years ago) and earlier warm intervals like the Pliocene (around 3 million years ago).

The study also provides new evidence for just how sensitive glaciers are to temperature, showing that they responded to past abrupt cooling and warming periods, some of which might have lasted only decades.

For his PhD, Sil Lanckriet is studying climatic fluctuations in Ethiopia over the past centuries, as well as their impact on periods of drought and processes of soil erosion.

Previous studies have used a variety of computer models and data from fossils and flood events to argue that ENSO has become more exaggerated over the past 11,000 years, known as the Holocene period.

But the new study adds to mounting evidence suggesting the drug harms patients» chances of surviving past the post-resuscitation period with brain function intact.

Peter Stott, the head of climate monitoring at the U.K. Met Office, agreed, noting in an email that, «The slowdown hasn't gone away, however, the results of this study still show the warming trend over the past 15 years has been slower than previous 15 year periods.

In the past, studies have suggested that cognitive function is impaired during so - called sleep inertia — the period immediately after waking.

The study noted that the same climate models the UN IPCC uses can only «explain only about half of the heating that occurred during a well - documented period of rapid global warming in Earth's ancient past.»

«The study found that climate models explain only about half of the heating that occurred during a well - documented period of rapid global warming in Earth's ancient past.

By spanning the past 7,000 years — part of a period known as the Holocene — the new study triples the amount of data available for scientists to analyse.

Studies of past climate change indicate that the AMOC has slowed a number of times, in surprisingly short periods, causing substantial cooling of Europe.

Some studies have attempted to estimate the statistical relationship between temperature and global sea level seen in the period for which tide gauge records exist (the last 2 - 3 centuries) and then, using geological reconstructions of past temperature changes, extrapolate backward («hindcast») past sea - level changes.

The study finds that the proxy data and model simulations of wet and dry periods match well for most of the past 1,200 years.

The focus of the new study is how researchers pieced together a record of extreme wet and dry periods across the northern hemisphere for the past 1,200 years.

At this early stage of knowledge, what was being studied were the glacial periods within the past few hundred thousand years, during the current ice age.

And through detailed studies of the local physics of ice - sheet changes and more refined reconstructions of ice - sheet changes during warm periods of the geological past, scientists may become able to distinguish between the two roads sooner.

More specifically, studies in the past have offered evidence that short rest periods cause potent boost in the production of anabolic hormones such as growth hormone and testosterone, while they also increase the level of metabolic stress in the muscles, which is thought to be one of the most influent mechanisms of hypertrophy.

The past two years have seen the 3GPP 5G architecture work progressing from the study period in

The methods used by archaeologists to gather data can be applied to any time period, including the very Archaeology: Archaeology, the scientific study of the material remains of past human life and activities.

The phrasing is not limited to one class period in a subject for which the teacher is not certified, as we have seen in the past; rather, it would permit a social studies teacher to be assigned as a full - time math teacher.

From her years as a spirited, secretive child, through her university studies - a period of exquisite freedom that imbued her with a profound appreciation of friendship and a love of travel - to her escape to a new life in California, Mayes exuberantly recreates the intense relationships of her past, recounting the bitter and sweet stories of her complicated family: her beautiful yet fragile mother, Frankye; her unpredictable father, Garbert; Daddy Jack, whose life Garbert saved; grandmother Mother Mayes; and the family maid, Frances's confidant Willie Bell.

Forna explored this period brilliantly in her thoughtful memoir The Devil That Danced on the Water; and she revisits the time and place in her new novel The Memory of Love, a striking study of the past and present of a country whose name calls up twisted images of beautiful beaches, blood diamonds and child soldiers.

This past semester I had to cram LSAT studying into that period as well, so those hours are sometimes extended.

The «90 %» claim can not be substantiated within the most relevant periods we studied over the past 15 years

As retrospective studies, they encompassed all market conditions and stock market valuations thereof for those past periods of time studied.

Capital Group, based in Los Angeles, in a study released today, argued that its stock - picking mutual funds outperformed their benchmark indexes in the majority of almost 30,000 periods examined over the past 80 years.

With this study we have set out to confound our trend following system by testing it against 3 of the most difficult market periods of the past 140 years:

The study found that only 25 - 30 percent of homeowners have refinanced during the past three years, a period of steadily falling interest rates.

According to the Demos study: 31 percent of households who have had a member out of work for two months or longer in the past three years, reported that their credit score had declined over the same period of time; households that include someone without health coverage were twice as likely to report declined credit scores; and 23 percent of indebted households raising children described their credit scores as poor, compared with 12 percent of indebted households without kids.

That natural drivers alone can be the cause of widespread coastal anoxia is evident from studies of greenhouse periods in Earth's past, including the oceanic anoxic events of the Cretaceous and Toarcian (Jenkyns, 2010).

The study, which appears in Nature Geoscience, found that climate models explain only about half of the heating that occurred during a well - documented period of rapid global warming in Earth's ancient past.

In the posts, Stephen McIntyre questions sets of tree - ring data used in, or excluded from, prominent studies concluding that recent warming is unusual even when compared with past warm periods in the last several millenniums (including the recent Kaufman et al. paper discussed here).

Then, instead of throwing out the data as hopelessly compromised and starting the experiment over with these factors corrected, you (a) do a study estimating how miscalibrated, how defective and how improperly located your instruments were and apply adjustments to all past data to «correct» the improper reading, (b) you do a study to estimate the effect of the external factors at the time you discover the problem and apply adjustments to all past data to «correct» the effects of the external factors even though you have no idea what the effect of the external factor actually was for a given instrument at the time the data was recorded, because you only measured the effect years later and then at only some locations, (c) you «fill in» any missing data using data from other instruments and / or from other measurements by the same instrument, (d) you do another study to determine how best to deal with measurements from different instruments over different time periods and at different locations and apply adjustments to all past data to «correct» for differences between readings from different instruments over different time periods at different locations.

But a new paper by Grinsted et al. has found evidence of past cyclone occurrence in the western Atlantic which impacted the U.S. east coast, evidence which is homogenous over a period of nearly a century, by studying not storm records, but surges in sea level recorded at tide gauge stations.

But the results of studying earth climate in the past, indicates we currently in an unusual cool period, and that human evolution coincided with global cooling period.

This assumption is known to be suspect and often seriously wrong, but it does not affect those applications where the data is mostly used, i.e. studying periods more than 1000 years in the past.

Internal variability can only account for ~ 0.3 °C change in average global surface air temperature at most over periods of several decades, and scientific studies have consistently shown that it can not account for more than a small fraction of the global warming over the past century.

The study concludes that, because of a rapid warming trend over the past 30 years, the Earth is now reaching and passing through the warmest levels in the current interglacial period, which has lasted nearly 12,000 years.

It has therefore occurred to a number of climatologists that perhaps by studying the past (tens of thousands of years ago to hundreds of millions of years ago) and seeking relationships between CO2 and climate during those periods, we might be able to obtain real world data on how climate and CO2 are connected.

Zwally's study did not extend past 2008 but he estimated that during the period studied, net accumulation had reduced sea level rise 0.23 mm / year (a 6 to 10 % reduction).

This study evaluated past climate changes over the previous 65 million years, considering nearly two dozen investigations of many different geological time periods.

This study compares observed, long climatic time series with GCM - produced time series in past periods in an attempt to trace elements of falsifiability, which is an important concept in science (according to Popper, 1983, «[a] statement (a theory, a conjecture) has the status of belonging to the empirical sciences if and only if it is falsifiable»).

If so, have attribution studies for the past 50 years taken into account the amount by which CO2 concentration increased during equivalent previous warming periods?

The American Wind Energy Association, which also supports a federal carbon cap on existing plants, recently published a study that found that consumer rates declined over the past five years in the 11 states that use the most wind, while rates increased collectively in all the other states during that same time period.

A study published Wednesday in Science Advances confirms once again that there was no global warming hiatus or cooling period during the past 20 years, an idea that had previously been raised in earlier assessments of sea surface temperature data.