Sentences with phrase «feedback effects in»

Of greater concern (whether true or not) is how well computer models can account for feedback effects in relation to cloud cover.

However, I am not a «warmista» by any means — we do not know how to properly quantify the albedo of aerosols, including clouds, with their consequent negative feedback effects in any of the climate sensitivity models as yet — and all models in the ensemble used by the «warmistas» are indicating the sensitivities (to atmospheric CO2 increase) are too high, by factors ranging from 2 to 4: which could indicate that climate sensitivity to a doubling of current CO2 concentrations will be of the order of 1 degree C or less outside the equatorial regions (none or very little in the equatorial regions)- i.e. an outcome which will likely be beneficial to all of us.

-LSB-...] build in hypothetical positive feedback effects in order to generate greater temperature impacts.

Underestimated feedback effects in its climate models undermine this claim.

That weakens the feedback effects in the short run.

Not exact matches

The feedback loop of the city making itself attractive to start - ups and start - ups helping to make the city attractive to talented young people (who in turn create more businesses that attract more young people) is only getting started, but Robinson says he can already see the effects both in terms of the area's legitimacy — «people are saying, «hey, I would actually invest here or I would start my business here» as opposed to 10 years ago where people would avoid the city at all costs» — and quality of life for young people.

When you have feedback effects like this, you're going to get instability in your model economy, and that's exactly what the authors find — the economy experiences booms and busts in a chaotic, unstable way.

In reality it's all about how you respond to the feedback that makes or breaks how it effects your business.

This is not to deny the continuing importance of the major industrial economies, or the potential feedback effects of slower growth in the major economies on commodity prices.

The model also implies a feedback loop: high income inequality depresses the interest rates, facilitating the existence of housing bubbles, which in turn have regressive welfare effects.

This all exists in a weird positive feedback loop where the longer rates are low, the less effect the low interest rates have.

The post ties in with SRSV's lecture on non-conventional monetary policies, particularly the side - effect of market addiction to low volatility, and the lecture on price distortions, particularly the section on feedback loops.

In summary, evidence indicates that investors learn to trade less as they gain experience, perhaps due to the immediate feedback associated with transaction costs, but they do not learn to diversify or avoid the disposition effect.

The other problem, Pope says, is that summer homework packets (frequently put off until the last unhappy week before school begins), often seem to fall into an academic black hole once they're turned in — with no feedback from teachers and no effect on kids» grades.

«Past studies have looked at the effects of differential parenting on the children who get more negative feedback, but our study focused on this as a dynamic operating at two levels of the family system: one that affects all children in the family as well as being specific to the child at the receiving end of the negativity,» explains Jennifer M. Jenkins, Atkinson Chair of Early Child Development and Education at the University of Toronto, who led the team.

In response to feedback, we have clarified what is meant by midwife - led care and have stressed the multi-disciplinary network of care providers; have added information to the Abstract about the lack of effect on caesarean section; and revised the Abstract's conclusions from «All women» to «Most women should be offered midwife - led models of care and women should be encouraged to ask for this option.»

Earlier studies on the sensitivity of tropical cyclones to past climates have only analyzed the effect of changes in the solar radiation from orbital forcing on the formation of tropical cyclones, without considering the feedbacks associated to the consequent greening of the Sahara.

And the positive effects of this program are obvious in the feedback received from past and present participants.

Because a hurricane cools surface water, it discourages the formation of later storms in its wake, providing a form of negative feedback that limits the hurricane merging effect.

«We observed that a multifaceted audit and feedback intervention aimed at health professionals results in a slight reduction in the rate of caesareans for low - risk pregnancies, without adverse effects on maternal and neonatal health,» revealed Nils Chaillet, principal investigator of the QUARISMA trial, researcher at the CHU de Québec - Université Laval Research Centre and professor at Université Laval's Faculty of Medicine.

Those fluxes help drive a positive feedback effect, further intensifying warming in the region.

You quote Wernher von Braun in Feedback (1 March), who argued that space exploration would become a means for human advancement, as «wars, which had somewhat similar «rallying» effects, are no longer feasible».

While the ECS factors in such «fast» feedback effects as changes in water vapor — water itself is a greenhouse gas, and saturates warm air better than cold — they argued that slow feedbacks, such as changes in ice sheets and vegetation, should also be considered.

The scientists discovered that a class of mechanoreceptors in the skin that detect painful mechanical stimuli are part of a feedback circuit in which excitatory neurons that produce the hormone somatostatin are inhibited by neurons that synthesize dynorphin (a natural analgesic molecule that produces effects similar to opiates).

The effect of these small orbital changes was amplified by positive feedbacks, such as changes in greenhouse gas levels.

These feedback effects have been poorly estimated, and almost certainly overestimated, in the models.

Additionally, feedback from the participants themselves has also been published in the journal BMC Psychiatry, as «The effects and determinants of exercise in first - episode psychosis: a qualitative study»

Titled «Modeling Sustainability: Population, Inequality, Consumption, and Bidirectional Coupling of the Earth and Human Systems,» the paper describes how the rapid growth in resource use, land - use change, emissions, and pollution has made humanity the dominant driver of change in most of the Earth's natural systems, and how these changes, in turn, have critical feedback effects on humans with costly and serious consequences, including on human health and well - being, economic growth and development, and even human migration and societal conflict.

Once we got smart enough to develop tools and find a richer diet, a positive feedback effect may have kicked in, leading to further brain expansion.

Researchers hypothesized that that the effects of core stabilization exercise in stroke patients could be enhanced by augmented, or real - time, video feedback.

First that CO2 is the main climate driver, second that in calculating climate sensitivity the GHE due to water vapour should be added to that of CO2 as a feed back effect and third that the GHE of water vapour is always positive.As to the last point the feedbacks can not be positive otherwise we wouldn't be here to talk about it.

«Real - time video feedback could improve effect of core stabilization exercise in stroke patients.»

However, there is little research on the effect of real - time feedback on postural stability in individuals with chronic hemiparetic stroke during the core stabilization exercises,» explains co-author Byoung - Hee Lee, PT, PhD, of the Department of Physical Therapy, College of Health Welfare, Sahmyook University, Republic of Korea.

Answer: because in (6) according to the black - body approximation positive feedbacks due to the greenhouse gas effects do not exist.

Climate, but not trait, effects on plant — soil feedback depend on mycorrhizal type in temperate forests — Jonathan A. Bennett — Ecosphere

This means the global effect of Arctic melting, which in itself constitutes a feedback from CO2 - driven global warming, is close to the warming effect of the rise in atmospheric CO2 from 280 ppm to 407 ppm since the onset of the industrial age.»

I guess I am surprised that with better understanding of the importance of water vapor feedback, sulfate aerosols, black carbon aerosols, more rapid than expected declines in sea ice and attendant decreases in albedo, effects of the deposition of soot and dust on snow and ice decreasing albedo, and a recognition of the importance of GHGs that were probably not considered 30 years ago, that the sensitivity has changed so little over time.

Anyone who accepts that sunlight falling on ice free waters which has less reflectivity than sunlight falling on a large ice mass covering those waters and also accepts that this reduction in albedo has a positive feedback effect, leading to further warming, can't help but opt for A or B, it seems to me.

I'm not even an amateur climate scientist, but my logic tells me that if clouds have a stronger negative feedback in the Arctic, and I know (from news) the Arctic is warming faster than other areas, then it seems «forcing GHGs» (CO2, etc) may have a strong sensitivity than suggested, but this is suppressed by the cloud effect.

Basically we wanted to do the same thing at the system level, by characterizing what each cortical area does, and then hooking them together with the feedback in the model to try to understand top - down effects like attention.

Thus in summary, a change in sensitivity of one of the primary actors in climate variation has only effect for the general sensitivity of climate, if all the feedbacks are essentially similar for all primary actors involved, which is highly probably not the case...

Neuroimaging will be used to study brain activity in the 3 - year study: «Effect of Feedback Presentation on the Fronto ‐ Striatal Network Activity and Fatigue in Individuals with MS.»

If not, those feedbacks may kick in, taking us up to a higher level of GW & other nasty effects — and we will have no ability to control it, even by reducing our GHGs to near zero.

Her study is titled, «Effect of Feedback Presentation on the Fronto ‐ Striatal Network Activity and Fatigue in Individuals with MS.»

-- 7) Forest models for Montana that account for changes in both climate and resulting vegetation distribution and patterns; 8) Models that account for interactions and feedbacks in climate - related impacts to forests (e.g., changes in mortality from both direct increases in warming and increased fire risk as a result of warming); 9) Systems thinking and modeling regarding climate effects on understory vegetation and interactions with forest trees; 10) Discussion of climate effects on urban forests and impacts to cityscapes and livability; 11) Monitoring and time - series data to inform adaptive management efforts (i.e., to determine outcome of a management action and, based on that outcome, chart future course of action); 12) Detailed decision support systems to provide guidance for managing for adaptation.

The direct warming effect of CO2 is relatively small, and only becomes dominant through positive feedbacks in computer models.

Hansen 1988 did use other forcing but he decoupled the ocean feedback writing, «we stress that this «surprise - free» representation of the ocean excludes the effects of natural variability of ocean transports and the possibility of switches in the basic mode of ocean circulation.»

That maybe true for one simple feedback state, but in the case of multiple feedbacks with confounding effects I very much doubt that would happen.

The point is: it's widely recognized that CO2 levels in the atmosphere increase as a result of temperature increases, a positive feedback effect.

This effect is probably significant but it's slow - acting and the CO2 self - feedback would only be fully realized when very little of the original CO2 pulse was left in the atmosphere.