Sentences with phrase «influenced change in our climate system»

Not exact matches

This is the first time anyone has examined regional climate change in the central United States by directly comparing the influence of greenhouse gas emissions to agriculture, says Nathan Mueller, an earth systems scientist at the University of California (UC), Irvine, who was not involved with this study.

But the most recent report from the Intergovernmental Panel on Climate Change — the evidence of 600 climate researchers in 32 countries reporting changes to Earth's atmosphere, ice and seas — in 2013 stated «human influence on the climate system is clear.Climate Change — the evidence of 600 climate researchers in 32 countries reporting changes to Earth's atmosphere, ice and seas — in 2013 stated «human influence on the climate system is clear.climate researchers in 32 countries reporting changes to Earth's atmosphere, ice and seas — in 2013 stated «human influence on the climate system is clear.climate system is clear.»

The evidence supports the need for considerable investment in adaptation and mitigation actions toward a «climate - smart food system» that is more resilient to climate change influences on food security.

In this earth system model, human belief systems and corresponding climate governance will drive anthropogenic GHG emissions that force the climate system, while the magnitude of climate change and related extreme events will influence human perception of associated risk.

We emphasize that because of the significant influence of sea ice on the climate system, it seems that high priority should be given to developing ways for reconstructing high - resolution (in space and time) sea - ice extent for past climate - change events.

This indicates that summer sea ice in the Antarctic is heavily influenced by natural fluctuations in the climate system, which can mask the impact of human - caused climate change, says Day:

What remains unclear is precisely what fraction of the observed changes in these climate - sensitive systems can confidently be attributed to human - related influences, rather than mere natural regional fluctuations in climate.

We emphasize that because of the significant influence of sea ice on the climate system, it seems that high priority should be given to developing ways for reconstructing high - resolution (in space and time) sea - ice extent for past climate - change events.

These include reducing inertia in social and economic systems; building on a growing public desire for governments to act on climate change; removing implicit and explicit subsidies; reducing the influence of vested interests that increase emissions and reduce resilience; enabling the shifts from ineffective governance and weak institutions to innovative leadership in government, the private sector and civil society; and engaging society in the transition to norms and practices that foster sustainability.

The climate system evolves in time under the influence of its own internal dynamics and because of external forcings such as volcanic eruptions, solar variations and human - induced forcings such as the changing composition of the atmosphere and land - use change.»

Changes in the Arctic affect the rest of the world, not only in obvious ways (such as the Arctic's contribution to sea - level rise), but through the Arctic's role in the global climate system, its influence on ocean circulation, and its impacts on mid-latitude weather.

Let's assume these studies somehow greatly underestimated natural variability in the climate system, so that the «signal» of anthropogenic climate change has not yet emerged from the «noise» of natural variations (i.e., the above - cited «discernible human influence» had not been detected after all).

The take - home message, directly in sync with the core findings of the last two assessments from the Intergovernmental Panel on Climate Change, can be distilled to a fairly straightforward statement: Rising concentrations of carbon dioxide will result in long - lasting warming that will progressively produce more harmful impacts on conditions and systems that influence human wellbeing.

In 2002, the National Academy of Sciences published «Abrupt Climate Change: Inevitable Surprises,» a valuable report examining whether and how the building human influence on the climate system might lead to disruptiveClimate Change: Inevitable Surprises,» a valuable report examining whether and how the building human influence on the climate system might lead to disruptiveclimate system might lead to disruptive jolts.

And through conversations with others in the growing climate justice movement, I began to see all kinds of ways that climate change could become a catalyzing force for positive change — how it could be the best argument progressives have ever had to demand the rebuilding and reviving of local economies; to reclaim our democracies from corrosive corporate influence; to block harmful new free trade deals and rewrite old ones; to invest in starving public infrastructure like mass transit and affordable housing; to take back ownership of essential services like energy and water; to remake our sick agricultural system into something much healthier; to open borders to migrants whose displacement is linked to climate impacts; to finally respect Indigenous land rights — all of which would help to end grotesque levels of inequality within our nations and between them.

A central topic will be teleconnections in the climate system, i.e. how a change in climate in one part of the globe (e.g. temperatures in the Atlantic or shrinking sea ice cover in the Arctic) can influence climate on other parts of the globe (e.g. Eurasian winter temperatures), and how we can use this information to improve regional climate prediction and therefore regional climate service.

«Radiative forcing is a measure of the influence a factor has in altering the balance of incoming and outgoing energy in the Earth - atmosphere system and is an index of the importance of the factor as a potential climate change mechanism.

On the question of hurricanes, the theoretical arguments that more energy and water vapor in the atmosphere should lead to stronger storms are really sound (after all, storm intensity increases going from pole toward equator), but determining precisely how human influences (so including GHGs [greenhouse gases] and aerosols, and land cover change) should be changing hurricanes in a system where there are natural external (solar and volcanoes) and internal (e.g., ENSO, NAO [El Nino - Southern Oscillation, North Atlantic Oscillation]-RRB- influences is quite problematic — our climate models are just not good enough yet to carry out the types of sensitivity tests that have been done using limited area hurricane models run for relatively short times.

It is now clearer than ever that human influence is affecting the climate system, with the certainty of anthropogenic climate change increased from 90 % in the AR4 to 95 % in the AR5.

This is the first time anyone has examined regional climate change in the central United States by directly comparing the influence of greenhouse gas emissions to agriculture, says Nathan Mueller, an earth systems scientist at the University of California (UC), Irvine, who was not involved with this study.

But neglecting causation in the opposite direction (clouds cause temperature) can lead to large errors in our understanding of how and why the climate system changes, as well as in our diagnosis of how sensitive the climate system is to human influences.»

(ii) Information on economic, demographic, and technological trends that contribute to changes in the Earth system and that influence society's vulnerability to global and regional climate change.

While it may be that climate change didn't influence the specific weather system that brought the rain, it is likely to have contributed to the sheer volume of moisture in the atmosphere, the paper says.

Land use influences the climate system in many different ways including direct emissions from land - use change, hydrological impacts, biogeophysical impacts (such as changes in albedo and surface roughness), and the size of the remaining vegetation stock (influencing CO2 removal from the atmosphere).

N (1) Natural mechanisms play well more than a negligible role (as claimed by the IPCC) in the net changes in the climate system, which includes temperature variations, precipitation patterns, weather events, etc., and the influence of increased CO2 concentrations on climatic changes are less pronounced than currently imagined.

One important determinant of how much climate will change is the effect of so - called «feedbacks» in the climate system, which can either dampen or amplify the initial effect of human influences on temperature.

Because 20 - year trends can be substantially influenced by just a few single or multi-year «warm» or «cold» events, they are not necessarily representative of the true response of the climate system to the more gradual changes in atmospheric composition that are taking place in response to human activities.

Changes in terrestrial ecosystems in Alaska and the Arctic may be influencing the global climate system.

«The Earth's climate system is highly nonlinear: inputs and outputs are not proportional, change is often episodic and abrupt, rather than slow and gradual,... It is imperative that the Earth's climate system research community embraces this nonlinear paradigm if we are to move forward in the assessment of the human influence on climate..»

«The Earth's climate system is highly nonlinear: inputs and outputs are not proportional, change is often episodic and abrupt, rather than slow and gradual, and multiple equilibria are the norm... there is a relatively poor understanding of the different types of nonlinearities, how they manifest under various conditions, and whether they reflect a climate system driven by astronomical forcings, by internal feedbacks, or by a combination of both... [We] suggest a robust alternative to prediction that is based on using integrated assessments within the framework of vulnerability studies... It is imperative that the Earth's climate system research community embraces this nonlinear paradigm if we are to move forward in the assessment of the human influence on climate.»

Under human influence, the Earth's climate system is not only changing in its totality and over a geological time - scale, it is also rendered more unstable and unpredictable.

The climate system evolves in time under the influence of its own internal dynamics and due to changes in external factors.

The workshop was organized to allow participants to take a global perspective and consider the influence of the Arctic in the context of forcing from other components of the climate system, such as changes in the tropics, ocean circulation, and mid-latitude sea surface temperature.

The climate system evolves in time under the influence of its own internal dynamics and because of external forcings such as volcanic eruptions, solar variations and human - induced forcings such as the changing composition of the atmosphere and land use change.

Furthermore, although we acknowledge that climate change represents a serious threat to biodiversity, and likely influences endemic host — pathogen systems, the available data simply do not support the hypothesis that climate change has driven the spread of Bd in our study area.

Climate feedback - An interaction mechanism between processes in the climate system is called a climate feedback when the result of an initial process triggers changes in a second process that in turn influences the initiClimate feedback - An interaction mechanism between processes in the climate system is called a climate feedback when the result of an initial process triggers changes in a second process that in turn influences the initiclimate system is called a climate feedback when the result of an initial process triggers changes in a second process that in turn influences the initiclimate feedback when the result of an initial process triggers changes in a second process that in turn influences the initial one.

A system - dynamics model that couples a psychological model of behaviour with a model of emissions and climate change shows that behaviour can influence global temperature in the year 2100 by up to 1.5 °C.

Identifying the causes of observed changes in our climate requires an understanding of the natural variability of the climate system and of the response of the climate to external influences.

It includes results from a variety of different empirical approaches, including (1) time series analyses of the published temperature record; (2) examination of the response of the earth's outgoing radiation response to transient climate events; (3) calorimetric studies of the ocean - atmosphere system; (4) mechanisms for secular climate change arising from ocean circulation systems and astronomical influences; and (4) radiative and convective heat transfer in the oceans and atmosphere.

The authors use Geographical Information Systems (GIS) to map specific hazards associated with climate change — specifically: floods, cyclones and droughts — and place them in relation to factors influencing vulnerability.

It is virtually impossible to assess the influence of recent human - caused climate change in such a complicated and highly variable natural system.

The collaborative international project began in 1993 as an effort to address how Amazonia functions as a regional entity within the larger Earth system, and how changes in land use there might affect the region's biological, chemical, and physical functions and influence global climate.

This Perspective reviews the literature on climate change and mental health, and advocates for a systems approach, which considers the complex set of interacting distal, intermediate and proximate factors that influence mental health risk, in future research.

The non-linearities are emergent properties of the complex interconnectivity of the many parts of the earth climate system — The presence and amplitude of El Nino changes the rainfall in the southeastern US, which affects evapotranspiration and cloudiness over the warm parts of the Atlantic, which affects the amount of sensible and latent heat which goes into the atmosphere, which the prevailing winds carry to Great Britain, and so on through a chain of events which eventually influence the barometric pressure differences between the Eastern and Western Pacific which drive the ENSO.

Shifting jetstream patterns, which have a strong influence on weather patterns in western Europe are one important component of a weather system, but only represent a change in climate if there is an apparently permanent shift north or south.

What remains unclear is precisely what fraction of the observed changes in these climate - sensitive systems can confidently be attributed to human - related influences, rather than mere natural regional fluctuations in climate.

Tom Harris wrote that UN Secretary - General Ban Ki - moon «exemplified the childish and deceptive nature of the UN's approach to climate change when [Ban Ki - moon] told reporters at this week's launch of the Synthesis Report in Copenhagen: «Human influence on the climate system is clear - and clearly growing.