Sentences with phrase «mechanisms drove changes»

But what specific mechanisms drove changes in bone function?

This suggests a downstream not an upstream mechanism driving this change.

An integrated approach could better elucidate patterns and trends in CH4 fluxes and help pinpoint the underlying mechanisms driving these changes.

The mechanism driving these changes is well understood.

Not exact matches

Climate change is not driven just by increased greenhouse gas concentrations; other mechanisms — both natural and human - induced — also play a part.

«For example, there's no political polarization on climate change with greater understanding of the greenhouse mechanism that drives global warming,» he wrote in an email.

Understanding the mechanisms that drive migratory behavior is increasingly important, Beck said, in terms of climate change, as migrating animals rely on multiple habitats.

Although bacteria have a seemingly limitless capacity to alter their genes by swapping bits of DNA between strains, this mechanism doesn't seem enough to account for the swift pace of change and the high variability of E. coli and other strains.Thomas Cebula of the U.S. Food and Drug Administration (FDA) wondered if this rapid evolution is being driven by microbes capable of much faster - than - normal variation.

As we enter the second decade of a decoded, accessible Human Genome, and as progress in therapeutics becomes more data and systems - driven, the discovery process, the business models, the delivery mechanisms and the economics are all starting to change.

This does not necessarily mean the mechanisms driving precipitation changes in climate models are wrong.

One of the mechanisms driving alterations in gene expression is epigenetic change, where the female is able to change her offspring's genome to cause certain genes to be expressed differently.

We create and manage projects that focus on research in the polar regions as means to understand fundamental climate mechanisms, and to drive change towards a more sustainable society.

The next challenge for the team is to identify what might be some of the mechanisms at the molecular level driving these changes.

This also tends to support the general concept that changes in the tropics (30N - 30S) are the primary drivers of global climate change; processes in the North Atlantic and North Pacific seem to respond to changes in the tropics, not the reverse — i.e. the concept of climate controlled by a global oceanic conveyor belt driven by a North Atlantic gear mechanism can probably be discarded.

However, there remains no consensus for what conditions or mechanisms drove these major changes.

Therefore the group studies with sophisticated imaging technology in vitro and ex vivo: i) the molecular mechanism driving the migration of HIV through the intestinal epithelial barrier; ii) the cellular targets in the mucosa, in specific macrophages and DCs, to identify the possible pathways to invade the tissue and disseminate to other organs; iii) the involvement of DCs and their functional properties in mediating adaptive immune responses at mucosal level; and iv) the role of antibodies with different effector functions in changing the pathways of the virus.

The goal of the PCCO is to provide tools for improving public understanding of the mechanisms driving climate change, and possible responses to prevent or adapt to change.

If there is also a time lag upon the onset of cooling, then it appears that some other mechanism actually drives the temperature changes.

The International Polar Foundation and SANAP will join forces on the development of the Polaris Climate Change Observatories (PCCO) in Cape Town, state of the art venues informing public understanding of the mechanisms driving climate change and exploring ways of adapting to the transformations the Earth is experieChange Observatories (PCCO) in Cape Town, state of the art venues informing public understanding of the mechanisms driving climate change and exploring ways of adapting to the transformations the Earth is experiechange and exploring ways of adapting to the transformations the Earth is experiencing.

The signature feature of FOI is its commitment to the ongoing construction of theories of change that are grounded in science and drive the design of explicit strategies focused on specific causal mechanisms to produce breakthrough gains on important outcomes.

A third mode, utilizing the «T - Box Zero Steer» mechanism, allows all four wheels to «toe - in» and changes the drive direction to each wheel so that they alternate.

The new shaft has a stroke - mechanism section that is expandable / contractible in the axial direction, to absorb shaft - length changes when driving and help provide a smooth steering feel.

Then tell us what the mechanism or change in forcing is that is driving this * natural * warming.

More ground turns from white reflective snow to black, heat absorbant dirt.The same effect occurs as sea ice is lost.The corals blanch, and, as I stated last year on this site, the shutdown of the north Atlantic current will occur, since the salinity level studies I spoke of last year, off Greenland, continue to show that the upwelling mechanisms driving the North Atlanic current are in severe jeapordy, because the change in salinity levels effects the driver of the current, the upwelling and downwelling of different salinity levels off Greenland.

It should be sufficient to potentially change some poeple's beliefs / opinions and their future behavior / responses about ghg feedbacks driven by the arctic regions as temperatures and ghg emissions continue to rise the next 25 years at least with NO CH4 + CO2 feedback mechanisms.

I am probably as aware of any reader here of modeling challenges in general, and can appreciate the work your groups have performed, but I can also appreciate the implications of the mismatch that prompted your post: there is fundamental uncertainty in the interaction of the complex mechanisms that drive climate change, including the human effect.

The paper is meant to invite further research into the mechanisms so that we can determine whether these impacts are driven by specific pollutants in the air or water, by light or sound pollution, or other changes that may have happened to these communities, some of which could be unrelated to gas development.

If there is also a time lag upon the onset of cooling, then it appears that some other mechanism actually drives the temperature changes.

Roy Spencer is the driving force behind the «internal variability» hypothesis, which posits that some unknown and undefined mechanism is causing cloud cover to change, which, by changing the overall reflectivity of the Earth, is the driving force behind the current global warming.

«In light of previously suggested driving mechanisms, our analysis renders two of the prime suspects, i.e. landscape [9, 18, 20] and climate change [15, 18, 21, 37], as UNLIKELY explanatory factors for this major decline in aerial insect biomass in the investigated protected areas.»

The complete set of cycles appears to be solar driven however there are different solar mechanisms involved which explains the differences in the cycle times and the differences in the amount of climate change for the different solar events.

Based on the results from these experiments, we highlight significant ecologically - relevant climate impacts and the mechanisms that drive ecological change in three impacted regions: Eurasia, southeastern North America and eastern South America.

To address future challenges related to climate change and land use, it will be important to assess the local impacts of tree loss on climate, climatic and ecological consequences, as well as the mechanisms that drive ecological responses in remote teleconnected areas.

His hypothesis is that «long - term variations in the amount of solar energy reaching the Earth are the main and principal reasons driving and defining the whole mechanism of climatic changes from the global warmings to the Little Ice Ages to the big glacial periods», not carbon dioxide.

There could also be other unknown mechanisms driven by solar changes that exaggerate the effect of small variations in total solar irradiance.

If the mechanism involves the persistence of Arctic summertime ice, how will this be affected by anthropogenic temperature changes that appear to be driving the Arctic in the direction of increasing loss of summer ice?

The mechanism involves cloud changes in these major internally driven reorganizations atmospheric and ocean circulation.

The experimental behavior supports the storm scenario the traveling atmosphere disturbances (TADs) of auroral origin and changes in the thermospheric wind are the main physical mechanisms driving equatorward - directed and vertical winds which in turn move the plasma along the magnetic field lines and raise the ionospheric peak height.

The seasonal and regional characteristics of the Antarctic temperature datasets make them useful for interpreting the physical mechanisms that drive Antarctic climate variability, and for informing future interpretations and model evaluations of Antarctic climate change.

Small changes in insolation driven by changes in the Earth's orbit can push the planet into or out of an ice age through the planet's «climate feedback» mechanisms.

«clearly driven by a top down solar mechanism involving UV / ozone interactions causing changing sea level pressure at the poles.»

The climate seems clearly driven by a top down solar mechanism involving UV / ozone interactions causing changing sea level pressure at the poles.

Presenting such alternative figures confuses and undermines the public understanding of the actual science, which is an understanding about the driving mechanisms of sea level rise: thermal expansion of ocean water, melting of mountain glaciers and complex dynamics of large ice sheets — in correspondence again with projected temperature rise, that is in turn a product of projected rises of greenhouse gas concentrations using calculated estimates of climate sensitivity, together creating a net disturbance in Earth's energy balance, the very root cause of anthropogenic climate change.

Plus there are interesting arguments for the mechanism whereby CO2 levels are driven by temperature changes.

Indeed, the models are missing important physical mechanisms driving climate changes, which may also be still quite mysterious and which I believe to ultimately be astronomical induced, as better explained in my other papers.

This also tends to support the general concept that changes in the tropics (30N - 30S) are the primary drivers of global climate change; processes in the North Atlantic and North Pacific seem to respond to changes in the tropics, not the reverse — i.e. the concept of climate controlled by a global oceanic conveyor belt driven by a North Atlantic gear mechanism can probably be discarded.

Changes in CO2 levels are usually assumed to be among the dominant mechanisms driving such long - term climate change (29).

The trick is identifying the mechanisms that drive the changes...

These experiments provide new insight into mechanisms of past climate changes on Earth, which have been driven in part by tectonic changes in ocean basins and consequent changes in ocean circulation and heat transport.

The author finalizes the essense of the issue: «One can divide the problem into two parts, finding: (1) evidence that the orbitally controlled insolation changes drive the major climate shifts and, (2) the mechanisms by which that driving occurs.