Sentences with phrase «regional scale changes»

What's the latest view on the ability of GCMs to capture regional scale changes?

Not exact matches

The major banks tended to scale back their regional presence, in response to the cost pressures on them after the events of the early 1990s, and the changing economics of branch banking which became apparent as financial liberalisation proceeded.
They are less thorough at simulating changes on a regional scale.
However, the potential impact is less clear at regional scales, but it is likely that climate variability and change will exacerbate food insecurity in areas currently vulnerable to hunger and undernutrition.
«Altogether our study highlights how sensitive regional weather conditions are to any changes in large - scale atmosphere dynamics,» says Coumou.
Once considered remote and disconnected, now we know that changes within the Arctic can have a direct impact on the rest of the world, affecting physical and biological systems near and far at regional and global scales.
To solve this problem, Pielke suggested measuring environmental variables from a regional scale up to a global scale as a more inclusive way to assess environmental risks than the top - down approach used by the Intergovernmental Panel on Climate Change.
«The climate projections were created using different downscaling methods, but the projected changes in climate among them are similar at the regional scale
The analysis uses methods that have already been peer - reviewed, including examining the change in occurrence of such extreme rains in the historical record and in climate models, as well as using finer - scale regional climate models to compare the current climate to one without warming.
These pollution particles are also implicated in climate change issues at regional and global scales.
Building on this research, the Union of Concerned Scientists is now collaborating with leading scientists who study climate change consequences at a regional scale and beyond.
There is relatively little consensus about how climate change will affect the incidence of persistent drought at global and regional scales, in large part due to the uncertainties discussed above.
January 2004: «Directions for Climate Research» Here, ExxonMobil outlines areas where it deemed more research was necessary, such as «natural climate variability, ocean currents and heat transfer, the hydrological cycle, and the ability of climate models to predict changes on a regional and local scale
New research published this week in the Journal of Climate reveals that one key measurement — large - scale upper - ocean temperature changes caused by natural cycles of the ocean — is a good indicator of regional coastal sea level changes on these decadal timescales.
Major consequences of such changes over regional scales will probably include (1) reductions in primary production combined with (2) shifts from diatom - dominated (low SA: V ratio) phytoplankton assemblages with high POC - export efficiencies to picoplankton communities (high SA: V ratio) characterized by low export efficiencies (Smith et al., 2008; Morán et al., 2010; Morán et al., 2015).
These programs focus on climate, aerosol and cloud physics; global and regional scale modeling; integrated assessment of global change; and complex regional meteorology and chemistry.
A particular challenge for science is the growing evidence that social - ecological interactions across scales can generate regime shifts where profound and abrupt changes can occur in systems ranging from local ecosystems (such as lakes) to large biomes (such as the Arctic); from local communities (such as farming systems) to regional economic sectors (e.g., global fisheries).
This module will ensure accurate, consistent, comparable, regional scale, long ‐ term measurements of ocean parameters, which are key to addressing urgent societal and scientific challenges such as climate change, ocean ecosystem disturbance, and marine hazards.
Within the integrated Earth system science paradigm, our major research thrusts include the physics and chemistry of aerosols, clouds and precipitation; integrating our understanding of climate, energy, and other human and natural systems through the development and application of models that span a wide range of spatial scales; and determining the impacts of and informing responses to climate and other global and regional environmental changes.
By comparison, the average change from 15 to 7 thousand years ago was ~ 0.005 °C per decade, although this was occasionally punctuated by short - lived (and possibly regional - scale) abrupt climatic jolts, such as the Younger Dryas, Dansgaard - Oeschger and Heinrich events.
WestEd is a leader in moving research into practice by conducting research and development (R&D) programs, projects, and evaluations; by providing training and technical assistance; and by working with national, regional, state, and local policymakers and practitioners to carry out large - scale school improvement and innovative change efforts.
In sub-Saharan Africa and South Asia, South America and East Asia, AgMIP regional research teams (RRTs) are conducting integrated assessments to improve understanding of agricultural impacts of climate change (including biophysical and economic impacts) at national and regional scales.
Indeed, the utility of the term in describing past climate changes at regional scales has been questioned [see e.g. Jones, P.D., Mann, M.E., Climate Over Past Millennia, Reviews of Geophysics, 42, RG2002, doi: 10.1029 / 2003RG000143, 2004 and references therein.]
Seen from that perspective the regional change becomes part of changes on a much larger scale, even though proximate causes are by definition always local.
1993 Greenland ice cores suggest that great climate changes (at least on a regional scale) can occur in the space of a single decade.
The attribution of the term at regional scales is complicated by significant regional variations in temperature changes due to the the influence of modes of climate variability such as the North Atlantic Oscillation and the El Nino / Southern Oscillation.
At the hemispheric - mean scale, the «Little Ice Age» is only a moderate cooling because larger offsetting regional patterns of temperature change (both warm and cold) tend to cancel in a hemispheric or global mean.
The new research is a regional climate study of historical sea level pressures, winds and temperatures over the eastern Pacific Ocean and draws no conclusions about climate change on a global scale.
Ocean salinity changes, while unimportant for sea level at the global scale, can have an effect on regional sea level (e.g., Antonov et al., 2002; Ishii et al., 2006; Section 5.5.3).
-- Projected precipitation and temperature changes imply changes in floods, although overall there is low confidence at the global scale regarding climate - driven changes in magnitude or frequency of river - related flooding, due to limited evidence and because the causes of regional changes are complex.
Especially at the regional scale, ocean and atmospheric circulation changes are clearly also important.
That is, changes to the system are more clearly discerned in the global mean temperature than at a regional level, mainly because the noisy «weather» component increases as you go to smaller scales.
Concerning climate - change forecasting, we can not expect that increased computer power and improved climate models will in the future «give more precise probability distributions of outcomes at the regional and decadal scales».
To me, the most important thing is finding large scale physics that help make sense regional changes.
While the anomalous nature of recent trends in global average temperature is often highlighted in discussions of climate change, changes at regional scales have potentially greater societal significance.
The terrestrial biosphere can respond slowly to large, regional - scale forcing, but may not always be in equilibrium with that forcing at any point in time, leading to subsequent commitments to significant future change for decades or centuries following stabilization of forcing.»
Most studies omit two forcings that could have significant effects, particularly at regional scales, namely carbonaceous aerosols and land use changes.
You are correct that regional and average weather changes over various time scales of interest, and that extreme events continue to occur.
To mitigate climate change at local, regional, and global scales, we must begin to think beyond greenhouse gases.
Can the models provide skillful predictions of changes in regional climate statistics on multi-decadal time scales
Using this approach, we prove that changes in climatic and hydrological parameters at global and regional scales are directly or indirectly reflected in sea - level regime.
Global and regional climate models have not demonstrated skill at predicting regional and local climate change and variability on multi-decadal time scales.
More recent assessments combining global - and regional - scale analysis, impacts of climate change on growing periods and agricultural systems, and possible livelihood implications, have also been examined (Jones and Thornton, 2003; Huntingford et al., 2005; Thornton et al., 2006).
While exploring the local - level dynamics of people's vulnerability to climate change, of which adaptive capacity is a key component, it is important to find ways to embed such findings into wider scales of assessment (e.g., country and regional scales)(Brooks et al., 2005).
The Regional Climate Impacts theme stresses the need to explain and interpret the potential impacts of global climate variability and change at the regional and community scale.
Third International Climate Change Adaptation Conference: The Conference titled «Adaptation Futures 2014» will be the nexus between the research community and the users of climate change adaptation information at regional and global Change Adaptation Conference: The Conference titled «Adaptation Futures 2014» will be the nexus between the research community and the users of climate change adaptation information at regional and global change adaptation information at regional and global scale.
This should be the main priority, including at multi-decadal AMO scales, and with the regular occurrence solar minima, as these govern dominant regional climatic and weather pattern changes, regardless of relatively small increases in non-condensing GHG forcings.
Contribution from working group I to the fifth assessment report by IPCC TS.5.4.1 Projected Near - term Changes in Climate Projections of near - term climate show small sensitivity to Green House Gas scenarios compared to model spread, but substantial sensitivity to uncertainties in aerosol emissions, especially on regional scales and for hydrological cycle variables.
I would not dispute 100 - 300 year oscillations as a possibility, but my reading of the climate records reveals no evidence for a significant role for such oscillations — or at least, no role substantial enough on a global scale to have created a discernible signal outside of changes occasioned by solar variations, volcanism, and other known entities (changes on a regional scale are a very different matter and may have involved such oscillations).
This presentation will discuss the use of synthesis science by both the SEARCH Permafrost Action Team and Permafrost Carbon Network to identify and understand the widespread implications of changing permafrost at both regional and local scales.
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