Sentences with phrase «variation from year to year»

Given the small number of cases per year, and the large amount of variation from year to year, no gradual increase is discernable.
We can easily perceive a change in the weather, and if we have some reason to pay attention we can perceive the variation from year to year, but we can not perceive a one - way, decades - long shift in the range of yearly variation that is climate.
I know this post is all about how the models show variation from year to year.
These variations from year to year are part of the swings and roundabouts of the payments system comprising advance payments, top - ups and residuals.
In my opinion, this is a question of the time scale considered: the variations from year to year are obviously dominated by weather, and also decadal variations — such as the warming (probably the increase of the flow) from 1990 to the middle of the 2000s and the subsequent cooling (slowdown of the flow)-- are likely to be mainly natural variations.
Variations from year to year may be large, but overall the leakage seems to be increasing, possibly due to changing wind patterns, the researchers state:
There will be short - term variations from year to year — El Niño years are a bit hotter, La Niña years are a bit cooler — so not every year will set records.
Here's the thing: Despite variations from year to year, the Earth is still warming up.
Though there are minor variations from year to year, all four records show peaks and valleys in sync with each other.
The reason for the quite long time were the big variations from year to year.

Not exact matches

Leo from Buffer published a great post last year showing how easy it was to double the performance of his blog posts by split testing two different headline variations on Twitter.
Averages don't lie but they can mislead Indeed, while long - term averages show stocks have generally delivered positive returns and provided investors with the greatest opportunity for gains over long periods of time, they fail to reveal the large variations within any year and from one year to another.
With at least a 6 - 8 week variation, we can have Jesus birth anywhere from Succot to December 25th, but there is also the possibility the the Abia course is the first of the year which would mean Jesus would have been born anywhere from Passover to July.
Although it is yet unclear as to how fans will take to the new kit, Nike will be expecting a positive response from fans who were disappointed with the lack of variation in this year's kit and will reportedly push on with the pre-season release of the kit.
A dummy variable for year captured the impact from the change in milk options and a monthly control was also included in the analysis to account for seasonal variation.
From hiding places to Easter egg hunt variations, there are plenty of ways to make your hunt a little crazier this year.
On the basis that the context of practice in BC would be important in relation to the challenges that midwives would experience and the strategies that they would use, midwives with at least 5 years» experience as a midwife in BC were selected from a list of registered midwives, to reflect possible variations in experiences between midwives working in urban and rural locations across BC (lower mainland, Vancouver Island, the interior and Northern BC), and between those working as solo, midwifery group and collaborative practitioners (midwives and family doctors sharing a caseload).
The variation is so extreme due to histories of de jure residential segregation, federal housing policies until the last thirty years or so, and histories of economic development and migration that vary from place to place.
Researchers from the Niels Bohr Institute have analysed the natural climate variations over the last 12,000 years, during which we have had a warm interglacial period and they have looked back 5 million years to see the major features of the Earth's climate.
Using different calibration and filtering processes, the two researchers succeeded in combining a wide variety of available data from temperature measurements and climate archives in such a way that they were able to compare the reconstructed sea surface temperature variations at different locations around the globe on different time scales over a period of 7,000 years.
Simple addition of the incidence of each crime in a district could have hidden profound variations from precinct to precinct or from year to year, because numbers are vastly different for different crime types (thousands in the case of homicides, for instance, tens of thousands in the case of burglaries).
For more than 30 years, a consortium of researchers has examined how genetic variation in the cottonwood tree can affect entire communities of organisms from microbes to mammals.
While the atmosphere is mainly causing climate variations on shorter time scales, from months to years, the longer - term fluctuations, such as those on decadal time scales, are primarily determined by the ocean.
There are three main time scales to consider when it comes to warming: annual temperature variation from factors like warming in the Pacific Ocean during El Niño years, decadal temperature swings and long - term temperature increases from global warming.
While natural climate variations like El Niño do affect the frequency and severity of heat waves from one year to the next, the study suggests the increases are mainly linked to long - term changes in sea surface temperatures.
In birds, variation in life - span extends from parrots such as the Sulphur - crested cockatoo that can become more than 100 years old, to the small Allen's hummingbird with a maximum life - span of only 4 years, a 25 fold difference.
The regular variation in isotope ratios suggests that rather than wandering at random from site to site, Diprotodon made the same round trip each year, following seasonal shifts in vegetation and rainfall.
Professor Cox, from the College of Engineering, Mathematics and Physical Sciences said «The year - to - year variation in carbon dioxide concentration is a very useful way to monitor how tropical ecosystems are responding to climate.
In a study published online in the journal Menopause, researchers from the Perelman School of Medicine at the University of Pennsylvania report the first evidence showing that smoking causes earlier signs of menopause — in the case of heavy smokers, up to nine years earlier than average — in white women with certain genetic variations.
The sediment cores used in this study cover a period when the planet went through many climate cycles driven by variations in Earth's orbit, from extreme glacial periods such as the Last Glacial Maximum about 20,000 years ago, when massive ice sheets covered the northern parts of Europe and North America, to relatively warm interglacial periods with climates more like today's.
The fraction of additional deaths per year varied widely between locations, from 0.2 percent in Denmark to 7.8 percent in central India, «That's almost 40-fold variation across countries,» Murray says.
1920s through the present Quartz clocks Mechanism: Electrically induced vibrations of quartz crystal Error: From 10 seconds per day for a cheap watch to 0.3 second per year Accurate enough to: Measure variations in the rotation rate of the Earth
In the study, researchers examined the fossil record from 15 - 16 million years ago to the present and found morphological and genetic variations among the three species.
The changing climate will enhance the wide variations in weather that mid-latitude regions already experience from year to year and bring an increased number of extreme events such as heat waves and hailstorms, Busalacchi says.
In the study published in the Canadian Journal of Forest Research, the role of year - to - year variation in weather conditions was examined by increasing the estimated uncertainty of litter input originating from tree needles, foliage and fine roots by a 5 % random error.
She used eastern box turtles, Terrapene carolina — a species that comes in all kinds of shapes, sizes and colors — to make links between the rich variation in modern specimens and their fossil relatives from as far back as the Pleistocene, from about 2.6 million to about 11,700 years ago.
When the team looked at the chromosomes of more than 1000 people from populations around the world, they concluded that the prevalence of two of these variations was due to an evolutionary balancing act that had kept them in the gene pool for as long as 500,000 years.
When nitrogen isotopes change in response to variation in winter precipitation over the past 2,000 years, this signature is transferred from the soil to plant leaves to insect to bat and ultimately guano.
Table 1 also reports the percentage of spouses who died within a year after their own hospitalization; as expected, the diseases show substantial variation in lethality, with one - year death rates varying from 7.3 percent (for women with psychiatric disease) to 82.0 percent (for men with pancreatic cancer).
The fact that the amplitude of the events vary from time to time implies slower variations, just like modulations of the sunspot number has led to the proposition of the Gleissberg cycles (80 - 90 years).
2) A better ability to constrain climate sensitivity from the past century's data 3) It will presumably be anticorrelated with year to year variations in global surface temperature that we see, especially from El Ninos and La Ninas, which will be nice whenever we have a cool year and the deniers cry out «global warming stopped!».
The discovery caps an 11 - year effort to tease out information from instruments on ground - based telescopes that measure minute variations in starlight caused by the gravitational tugs of orbiting planets.
The mean insolation at Earth orbit is about 1366 W / m ^ 2; the peak - to - peak variation over the 11 year solar cycle is about 3 W / m ^ 2; the authors discuss two running averages derived from different satellite data sets and analysis derived by Willson and Mordvinov (2003) and Frohlich and Lean (1998) respectively.
Periods of volcanism can cool the climate (as with the 1991 Pinatubo eruption), methane emissions from increased biological activity can warm the climate, and slight changes in solar output and orbital variations can all have climate effects which are much shorter in duration than the ice age cycles, ranging from less than a decade to a thousand years in duration (the Younger Dryas).
Irregular menstruation tends to have variations from woman to woman with some having their periods twice a month while others only about four to nine times per year.
* A versatile, substantial layer that offers year - round comfort * Made from soft, certified organic cotton * Woven with jacquard stripes and then washed to create its undulating look and inviting texture * Due to the sand - washed nature of this bedding, slight variations in color will occur * Portugal Twin: 72» x 94» Double: 88» x 94» Queen: 94» x 98» King: 112» x 98» Standard Sham: 20» x 26»
Funko has not yet officially unveil their third series of «Horror Classics» vinyl figures in the popular Mystery Minis line, but a photo of the new collection to be released this year has surfaced online (via PopVinyls), revealing some awesome additions for Series 3, including Jack Torrance and the Grady twins from The Shining, Universal classics The Wolf Man and The Mummy, «Bruce» the shark from Jaws, new sequel variations of Freddy Krueger and Jason Voorhees, and even Elvira the Mistress of the Dark.
The Five - Year Engagement, which was directed by Nicholas Stoller from a script he co-wrote with Segel, offers a variation on a signature Apatow theme — postadolescent indecisiveness — and, more acutely, the Sisyphean struggle of an emotionally stunted man - child to become a good partner in a lasting relationship.
In contrast, Austin had a coefficient of variation near 0.15 for most of the decade, but dipped to the 0.1 level for three years, from 1997 — 98 to 1999 — 2000.
We therefore employ a third approach that gauges the amount of variation in principal effectiveness directly by measuring the additional fluctuation in school average achievement gains when a new principal assumes leadership, as compared to typical fluctuations from year to year.
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