Sentences with phrase «historical climate analyses»

Not exact matches

Using historical aerial photo analysis, soil and methane sampling, and radiocarbon dating, the project quantified for the first time the strength of the present - day permafrost carbon feedback to climate warming.

A new analysis published in Marine Geology shows that the limestone islands of the Bahamas and Bermuda experienced climate changes that were even more extreme than historical events.

A new study linking paleoclimatology — the reconstruction of past global climates — with historical analysis by researchers at Yale and other institutions shows a link between environmental stress and its impact on the economy, political stability, and war - fighting capacity of ancient Egypt.

It was not until 1976 that a paper published in Science by John A. Eddy of Saginaw Valley State University renewed interest in the sun - climate relationship with a comprehensive analysis of many different historical records of solar observation.

A new analysis of European tree - ring samples suggests that mild summers may have been the key to the rise of the Roman Empire — and that prolonged droughts, cold snaps, and other climate changes might have played a part in historical upheavals, from the barbarian invasions that brought about Rome's collapse to the Black Death that wiped out much of medieval Europe.

Understanding how that would affect the climate will require going beyond historical records of climate change, or even the information encoded in tree rings or ice cores, to what scientists call «deep time» records of conditions on Earth, according to a new NAS analysis.

The findings, published in the journal Global Change Biology, are based on spatial and statistical analyses of historical climate data, satellite data on current vegetation, and projections of potential vegetation under climate change.

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.

Smith et al., 2008, Improvements to NOAA's Historical Merged Land - Ocean Surface Temperature Analysis (1880 - 2006), J. Climate., 21, 2283 - 2293.

-- Along with analyzing historical trends in temperature and precipitation, we performed an analysis of changes in extreme climate events since the middle of last century.

I am a coauthor on a manuscript in revision, Olson et al., JGR - Atmospheres (2011), which has a climate sensitivity analysis from modern (historical instrumental) data, using a similar UVic perturbed - physics ensemble approach.

linking probabilistic simple climate models, complex Earth system models, and econometric analyses of historical weathering and climate impacts to project future risks associated with climate change and improve estimates of the social cost of carbon.

The results of this analysis produced several key messages, some of which are shown below, about Montana's historical and future climate (for a complete list of key messages, see the Climate chclimate (for a complete list of key messages, see the Climate chClimate chapter):

The analysis also follows the advice in the IPCC Good - Practice - Guidance - Paper on using climate model results: the local climate change scenarios should be based on (i) historical change, (ii) process change (e.g. changes in the driving circulation), (iii) global climate change projected by GCMs, and (iv) downscaled projected change.

History can illuminate the present in a way no contemporary analysis can, and this paper draws on three historical episodes to provide a more nuanced understanding of the nature of climate denial.

Other historical reference points of the interaction of climate with society emerge from analysis of the little Ice Age.

The Project focused on historical analyses of the hydrological cycle on a broad range of weather and climate time scales and placed the NASA EOS suite of observations in a climate context.

The Climate Analysis and Monitoring theme addresses the need for accurate historical and near real - time climatClimate Analysis and Monitoring theme addresses the need for accurate historical and near real - time climateclimate data.

We thank the Landscape Analysis and Applications section of the Canadian Forest Service, Natural Resources Canada for developing and making available the Canada - wide historical daily gridded climate dataset used as the downscaling target.

- Historical data have great value and, where not available, must be rescued and used in climate analyses.

Smith et al., (2008): Improvements to NOAA's Historical Merged Land - Ocean Surface Temperature Analysis (1880 - 2006), J. Climate., 21, 2283 - 2293.

The full report, Georgia Basin, Projected Climate Change, Extremes and Historical Analysis, is available from PCIC's online publications library.

To assess the role played by climate change in the unusual conditions, the research team turned to historical meteorological observations to conduct an analysis segregating the contribution of pressure patterns and other factors, like ocean temperatures, to rainfall variability.

Trevor's work has focused on climate scenarios and online mapping tools, downscaling to high resolution, indices of extremes, analysis of historical climate data and the improvement of seasonal climate predictions.

Risk analyses given in some recent studies suggest that there is no longer high confidence that certain large - scale events (e.g., deglaciation of major ice sheets) can be avoided, given historical climate change and the inertia of the climate system (Wigley, 2004, 2006; Rahmstorf and Zickfeld, 2005).

This new study found that accounting for the efficacy of historical forcings changes the best estimate of climate sensitivity from analysis of the instrumental period.

«To assess the natural variability before much human interference, the new study uses «multi-proxy climate reconstructions» developed by scientists in recent years to estimate historical temperatures, as well as fluctuation - analysis techniques from nonlinear geophysics.

An analysis of the historical data suggests a strong correlation between the solar activity and the natural climate variations on centennial time - scales, such as the colder climate during the Maunder (about 1650 − 1700 AD) and Dalton (about 1800 − 1820 AD) minima as well as climate warming during the steady increase in solar activity in the first half of the twentieth - century (Siscoe 1978; Hoyt & Schatten 1997; Solomon et al. 2007; Gray et al. 2010).

Trevor's work has focused on climate scenarios and online mapping tools, downscaling to high resolution, analysis of historical climate data and improvement of seasonal climate predictions.

Observational climate datasets are regularly updated to include newly digitised historical paper records and improved analysis techniques.

The analysis covered (i) historical and future links between climate parameters and tea yields, (ii) a carbon life cycle analysis, (iii) tea management scenarios under climate change using aquacrop model, and (iv) a socio - economic analysis of small holder tea farms and households and their coping options under climate change.

He's tracked the glacier's fluctuations over several millennia — using historical records and analyses of ice cores, fossil soils, and wood trapped in the ice — and found clear signs of climate variation.

Again, remember our previous analysis — historical warming implies a climate sensitivity between 1 and 1.5.