Sentences with phrase «such high variability»

Billet et al. suggested that such high variability is the result of diminished selection pressure in slower - moving mammals to maintain orthogonal semicircular canals.

«We were surprised to see such high variability,» said Lund Snee.

Not exact matches

Growing scarcity In addition to a growing scarcity of natural resources such as land, water and biodiversity «global agriculture will have to cope with the effects of climate change, notably higher temperatures, greater rainfall variability and more frequent extreme weather events such as floods and droughts,» Diouf warned.

Additionally, Commonwealth environmental water supported the manipulation of weir pool water levels at Locks 8 and 9 to provide wetlands permanently connected to weir pools with more natural patterns of inundation and drying sequences, assist in inundating creeks and anabranches that normally receive water only during higher flow conditions (such as Mulcra Island) and provide hydraulic variability within the river channel.

There is evidence that sub-elite cyclists can vary work rate by ± 5 % the average for a TT lasting 25 — 60 minutes, but such variability might be difficult with high - performance cyclists whose average work rate during a TT is already extremely high (> 350 watts).

The study noted that another possible explanation for the great NMT effectiveness in the mid-teen age group may be variability in the «quality» of athletes participating in the cutting, pivoting, and jumping sports such as soccer, volleyball and basketball in the younger ages, so that targeting NMT to athletes who are at higher risk results in greater reduction of that risk.

As it occurs with all materials directly extracted from nature, the resulting products (such as the mentioned cork) present a high variability compared to other synthetic product competitors.

Biologists who use molecular data to study evolutionary dynamics between closely related organisms, such as populations, are constantly searching for regions of the genome with high amounts of variability.

Otherwise, HD110432 and gamma Cas share similarly peculiar X-ray and optical characteristics such as high X-ray temperature, erratic X-ray variability on timescales of a few hours, optical emission lines, and submigrating features in optical line profiles.

OECD analysis finds that about 15 percent of variability in the performance of American students is explained by socio - economic factors; the OECD average is 10 percent.13 Research suggests that if the PISA results of U.S. students are adjusted such that the distribution of low - income students is more similar to other countries with comparable post-industrial economies, both math and reading results would look significantly higher.14 This does not mean the United States should not be concerned about international comparisons of educational achievement, but it suggests that the conclusions drawn from rankings based on national averages are limited and that reality is more nuanced.

Given this variability, we can make statements about averages, such as «on average» teachers in the top 20 % for VAM scores will likely have on average higher observed observational scores; however, there is not nearly enough precision to make any (and certainly not any good) predictions about the observational score from the VAM score for individual teachers.

There is considerable variability among companies, but the data show an overall upward trend, such that companies with low past DGRs tended to have low future DGRs, and companies with high past DGRs tended to have high future DGRs.

Such close linkages between CO2 concentration and climate variability are consistent with modelling results suggesting with high confidence that glacial — interglacial variations of CO2 and other greenhouse gases [CH4, N2O] explain a considerable fraction of glacial — interglacial climate variability in regions not directly affected by the northern hemisphere continental ice sheets (Timmermann et al., 2009; Shakun et al., 2012).

Impacts from recent climate - related extremes, such as heat waves, droughts, floods, cyclones, and wildfires, reveal significant vulnerability and exposure of some ecosystems and many human systems to current climate variability (very high confidence).

«Trend estimates from the SOS [Start of Spring] methods as well as measured and modeled plant phenologystrongly suggest either no or very geographically limited trends towards earlier spring arrival, although we caution that, for an event such as SOS with high interannual variability, a 25 - year SOS record is short for detecting robust trends.»

WMO will issue its full Statement on the State of the Climate in 2017 in March which will provide a comprehensive overview of temperature variability and trends, high - impact events, and long - term indicators of climate change such as increasing carbon dioxide concentrations, Arctic and Antarctic sea ice, sea level rise and ocean acidification.

While natural variability clearly plays a major role in all events, such as those detailed below in 2010 and 2011, the record high SSTs did as well.

African farmers have developed several adaptation options to cope with current climate variability, but such adaptations may not be sufficient for future changes of climate (high confidence).

They are largest in regions of high sea surface temperature variability such as the western boundary currents and along the northern boundary of the Southern Ocean.

Over short periods of time natural variability such as from ENSO for example, can create short term effects that run contrary to the longer term trend of increasing ocean heat content and higher tropospheric temperatures.

''... worked with two sediment cores they extracted from the seabed of the eastern Norwegian Sea, developing a 1000 - year proxy temperature record «based on measurements of δ18O in Neogloboquadrina pachyderma, a planktonic foraminifer that calcifies at relatively shallow depths within the Atlantic waters of the eastern Norwegian Sea during late summer,» which they compared with the temporal histories of various proxies of concomitant solar activity... This work revealed, as the seven scientists describe it, that «the lowest isotope values (highest temperatures) of the last millennium are seen ~ 1100 - 1300 A.D., during the Medieval Climate Anomaly, and again after ~ 1950 A.D.» In between these two warm intervals, of course, were the colder temperatures of the Little Ice Age, when oscillatory thermal minima occurred at the times of the Dalton, Maunder, Sporer and Wolf solar minima, such that the δ18O proxy record of near - surface water temperature was found to be «robustly and near - synchronously correlated with various proxies of solar variability spanning the last millennium,» with decade - to century - scale temperature variability of 1 to 2 °C magnitude.»

Although our temperature stack does not fully resolve variability at periods shorter than 2000 years, such high - frequency changes would only modestly broaden the statistical distribution of Holocene temperatures (Fig. 3 and fig.

The impacts of the marked seasonal variability of factors such as net radiation and / or temperature at high latitude sites are of far more importance for tree growth than the small seasonal variation in CO2 (a well - mixed gas).

Not only that, Curry goes past it, to, somewhat fantastically, conclude that «My assessment is that it is > 2/3 likely that there is such an extreme end «coincidental» natural variability mimicking effect (just as laid out above) and then on to say — after limiting the range of possible natural variability («coincidentally» enough) to only that which is close to this high «could» be (acc» to the IPCC) state of 50 %» natural» effect (that is, giving that itself only a 20 percent range in either direction (meaning, depending on interpretation, either a positive40 % or 30 % floor to the input of «natural» and a ceiling of 60 to 70 %)-RRB-, and thereby negating any possibility of the opposite — TO, again, the new mean representing the one directional and full extent of what, could plausibly be natural variability, and then concluding from there that «At this point, I think anthropogenic is 50 % or less.»

Li et al., 2017 (DOI: 10.1016 / j.quascirev.2017.01.009): «Additionally, increased El Nino - Southern Oscillation (ENSO) strength (possibly El Ni ~ no - like phases) during drying periods, increased volcanic eruptions and the resulting aerosol load during cooling periods, as well as high volumes of greenhouse gases such as CO2 and CH4 during the recent warming periods, may also play a role in partly affecting the climatic variability in NC, superimposing on the overall solar dominated long - term control.»

Impacts from recent climate - related extremes, such as heat waves, droughts, floods, cyclones, and wildfires, reveal significant vulnerability and exposure of some ecosystems and many human systems to current climate variability (very high confidence)-LSB-...] Risks are amplified for those lacking essential infrastructure and services or living in poor - quality housing and exposed areas

As such, the standard bleaching thresholds (e.g. DHW > 4 °C · week) may not accurately describe the likelihood of bleaching in locations with high inter-annual temperature variability like the Gilbert Islands; a method using the past inter-annual temperature variability to estimate the bleaching threshold may be more appropriate in these locations [16].

With such a definition it is stated quite clearly that in order to transform our energy systems to one that is based on clean and indigenous resources there is no other way but to build a European high voltage network able to integrate all those renewable energy sources, cope with their variability and transport electricity over long distances.

«Even if it (the solar effect) is only 0.1 C over a solar cycle and a little more over a 500 year period from LIA to date then that's a good enough starting point for my NCM because all such solar variability needs to do is alter the size, position and intensity of the polar high pressure cells against an opposing force from oceanic variability.

Even if it is only 0.1 C over a solar cycle and a little more over a 500 year period from LIA to date then that's a good enough starting point for my NCM because all such solar variability needs to do is alter the size, position and intensity of the polar high pressure cells against an opposing force from oceanic variability.

If the greenhouse effect played such a small role [edit], there should be an ENORMOUS climate sensitivity to «natural factors», which in turn strongly suggests there should be a much higher variability in global temperatures on a year - to - year basis.

The concept of resilience and closely related research regarding protective factors provides one avenue for addressing mental well - being that is suggested to have an impact on adolescent substance use.8 — 17 Resilience has been variably defined as the process of, capacity for, or outcome of successful adaptation in the context of risk or adversity.9, 10, 12, 13, 18 Despite this variability, it is generally agreed that a range of individual and environmental protective factors are thought to: contribute to an individual's resilience; be critical for positive youth development and protect adolescents from engaging in risk behaviours, such as substance use.19 — 22 Individual or internal resilience factors refer to the personal skills and traits of young people (including self - esteem, empathy and self - awareness).23 Environmental or external resilience factors refer to the positive influences within a young person's social environment (including connectedness to family, school and community).23 Various studies have separately reported such factors to be negatively associated with adolescent use of different types of substances, 12, 16, 24 — 36 for example, higher self - esteem16, 29, 32, 35 is associated with lower likelihood of tobacco and alcohol use.