Sentences with phrase «good model of the climate»

Such studies will help researchers make better models of the climate cycle on Mars.

Not exact matches

Earlier in the fall, we commissioned economic modelling to look at the benefits of building on the best elements of today's provincial climate policies.

I confess that I have become somewhat blasé about the range of exciting — I think revolutionary is probably more accurate — technologies that we are rolling out today: our work in genomics and its translation into varieties that are reaching poor farmers today; our innovative integration of long — term and multilocation trials with crop models and modern IT and communications technology to reach farmers in ways we never even imagined five years ago; our vision to create a C4 rice and see to it that Golden Rice reaches poor and hungry children; maintaining productivity gains in the face of dynamic pests and pathogens; understanding the nature of the rice grain and what makes for good quality; our many efforts to change the way rice is grown to meet the challenges of changing rural economies, changing societies, and a changing climate; and, our extraordinary array of partnerships that has placed us at the forefront of the CGIAR change process through the Global Rice Science Partnership.

Councils and local government, in particular, have to determine how best to maintain effective services in a climate of austerity, accepting that rising demands and tighter budgets require new delivery tools and new models of provision.

Reducing uncertainties in the models could lead to better long - term assessments of climate, Esposito says.

The new proposed model could allow a better quantification of the impacts that will likely occur under changing climate and could be considered in future ocean resources and land use management.

A better understanding of the heating distributions required to robustly simulate strong MJOs in climate models will improve insights into the dynamics of the climate system and projections of future climate.

Polar latitudes hold secrets into the earths's past climate, secrets Berry Lyons believes may provide insights into the implications of greenhouse gases in the atmosphere and better models of future climate change.

This is because the models are based on equations representing the best understanding of the physical processes that govern climate, and in 2001 they were not fine - tuned to reproduce the most recent data.

«Models do a good job at simulating some elements of the climate system, but they disagree on key aspects of the land - atmosphere CO2 exchange, and in particular the amount of carbon being sequestered,» Rawlins said in a statement.

However, most climate system models have not done a good job of showing the relationship between permafrost and soil carbon dynamics.

A step that could improve climate models A better understanding of how the atmosphere and the oceans communicate and exchange things like CO2 can also help improve climate models and predictions of the future.

The results are based on a number of independent climate archives, as well as instrumental records, and hold up whilst applying a wide range of correction methods, which leads Laepple to believe that the problem lies more with the models.

Future field experiments that can manipulate all three conditions at once will lead to better models of how long - term climate changes will affect ecosystems worldwide.

In order to improve the predictive power of climate models, it is now crucial to understand the biological processes in the soil better, say the scientists.

Instead, this effect could be used to test climate models, he said, to check if their physics is good enough to reproduce how the pull of the moon eventually leads to less rain.

The models used by the Intergovernmental Panel on Climate Change, called Coupled Model Intercomparison Project - 5 (CMIP - 5), are the best physical models of climate change avaClimate Change, called Coupled Model Intercomparison Project - 5 (CMIP - 5), are the best physical models of climate change avaclimate change available.

Recent modelling by researchers from the Potsdam Institute for Climate Impact Research in Germany, as well as studies of past climate, suggest that the planet will soon have warmed enough to melt Greenland's ice sheet entirely — if it hasn't already become warm Climate Impact Research in Germany, as well as studies of past climate, suggest that the planet will soon have warmed enough to melt Greenland's ice sheet entirely — if it hasn't already become warm climate, suggest that the planet will soon have warmed enough to melt Greenland's ice sheet entirely — if it hasn't already become warm enough.

Climate models have always offered a range of possible temperature rises, but it turns out the ones that best fit what's happened so far all predict even greater warming

Nadeau also studies the potential impacts of climate change on species around the globe, using modeling, field observation and experiments to predict where species are most vulnerable and determine how conservation groups can best mitigate the negative impacts of climate change on animal populations.

The models included interactions and competition between predators as well as the influence of climate on vegetation and prey populations.

In a recent study, for instance, well - respected climate models were shown to have completely opposing estimates for the overall effect of the clouds and smoke in the southeast Atlantic: Some found net warming, whereas others found cooling.

The ability of the inorganic component of sea spray particles to take up water has been the focus of this international study where a large suite of well - controlled laboratory experiments have shown, for the first time, that the hygroscopicity of the inorganic component of sea spray is significantly lower than pure sodium chloride, a substance routinely used to describe their hygroscopicity in climate models.

One area of rapid growth — and a good illustration of the current trends — is the increased focus on developing geographically precise climate models that can forecast conditions one to several years out.

«The result is not a surprise, but if you look at the global climate models that have been used to analyze what the planet looked like 20,000 years ago — the same models used to predict global warming in the future — they are doing, on average, a very good job reproducing how cold it was in Antarctica,» said first author Kurt Cuffey, a glaciologist at the University of California, Berkeley, and professor of geography and of earth and planetary sciences.

One day, oceanographers hope Spray and other gliders will be able to roam the oceans at will, providing an almost limitless supply of data that could be used to build more sophisticated climate models and develop better weather forecasts.

The calculations are in line with estimates from most climate models, proving that these models do a good job of estimating past climatic conditions and, very likely, future conditions in an era of climate change and global warming.

To better plan for potential effects due to climate change, scientists using the North American Breeding Bird Survey and Audubon Christmas Bird Count employed correlative distribution modeling, to assess geographic range shifts for nearly 600 North American bird species during both the breeding and non-breeding seasons under a range of future climate change scenarios through the end of the century.

«How much we trust our model depends on how well we can reproduce the climate of yesterday.

«When we analyzed IPCC climate model experiments driven with the time - evolution of observed sea surface temperatures, we found much larger rates of tropical widening, in better agreement to the observed rate — particularly in the Northern Hemisphere,» Allen said.

Using sophisticated atmospheric and climate models, the researchers estimated the levels of PM2.5 directly attributable to wildfires during a recent six - year period, 2004 to 2009, as well as under projected future climate change conditions (2046 - 2051).

The team also wanted to know whether the conditions on land interacted with the atmosphere to affect climate, because most of the current climate models don't simulate the Green Sahara period well, she said.

Using an interdisciplinary approach that combined evidence from climate modelling of large 20th - century eruptions, annual measurements of Nile summer flood heights from the Islamic Nilometer — the longest - known human record of environmental variability — between 622 and 1902, as well as descriptions of Nile flood quality in ancient papyri and inscriptions from the Ptolemaic era, the authors show how large volcanic eruptions impacted on Nile river flow, reducing the height of the agriculturally - critical summer flood.

The impact of these results is wide - reaching, and Dr Pullen suggests that it may even change how we think about global climate data: «Climate models need to incorporate genetic elements because at present most do not, and their predictions would be much improved with a better understanding of plant carbon demand.climate data: «Climate models need to incorporate genetic elements because at present most do not, and their predictions would be much improved with a better understanding of plant carbon demand.Climate models need to incorporate genetic elements because at present most do not, and their predictions would be much improved with a better understanding of plant carbon demand.»

The coalition of states can't replace federal support for science, including maintaining satellites and building better climate models, said Richard Moss, the committee's chairman and a researcher at Columbia University's Earth Institute.

Gentine and his team are now exploring ways to model how biosphere - atmosphere interactions may change with a shifting climate, as well as learning more about the drivers of photosynthesis, in order to better understand atmospheric variability.

The models also include the greenhouse gas emissions and other pollutants that result from these processes, and they incorporate all of that information within a global climate model that simulates the physical and chemical processes in the atmosphere, as well as in freshwater and ocean systems.

Overeem's technique «has the potential to give good quantitative rainfall estimates for real - time hazards forecasting, as well as regional and global climate model analysis in regions of the world where the impact could be great,» Baeck says.

Cziczo says the group's experimental results will help to improve Martian climate models, as well as scientists» understanding of how the planet transports water through the atmosphere.

Better understanding of marsh erosion also may help in modeling carbon storage as it relates to climate change, the scientists say.

Co-author Nerilie Abram, from the Australian National University, said: «In order to better understand climate change in Antarctica, we need continued climate measurements in the Antarctic and Southern Ocean, and extension of these short observational records with past climate reconstructions and climate modelling.»

The massive projects needed now — such as devising a model of climate change detailed enough to be truly predictive or batteries efficient enough to compete with gasoline — can not wait or depend on chancy funding, he believes.He added that a strong national commitment to goal - centered basic science could help solve other important problems by drawing America's talented young people into scientific work and providing them with better opportunities for aspiring researchers to build careers with a realistic chance of making both a significant scientific contribution and a decent living.

The global climate models do a good job of simulating the process of sea ice formation over large areas in the open ocean.

While this underestimate does not call into question the response of climate to carbon dioxide concentration in the IPCC models, the researchers say, it does suggest that a better understanding of what happened during the last 50 years could improve projections of future ecosystem changes.

«Formation of coastal sea ice in North Pacific drives ocean circulation, climate: New understanding of changes in North Pacific ocean circulation over the past 1.2 million years could lead to better global climate models.»

Coastal sea ice formation takes place on relatively small scales, however, and is not captured well in global climate models, according to scientists at the University of California, Santa Cruz, who conducted the study.

«As healthcare systems and professionals worldwide become more aware of and concerned for the public health implications of climate change and excessive resource use, efficient care delivery models must be better understood and promoted,» says Dr. Thiel.

To get around the problem, Fasullo and Trenberth decided to examine how well 16 global climate models reproduce recent satellite observations of relative humidity in the tropics and subtropics, a quantity that is directly related to cloud formation.

Since trends in convective rainfall are not easily detected in daily rainfall records, or well - simulated by global or regional climate models, the researchers created a new tool to assess the effects of climate change on rainfall patterns and trends in dryland areas.

Their analysis emphasizes the greater vulnerability of poor populations to climate impacts and highlights the need for better modeling, like that proposed by the Princeton team, to reduce poverty and climate change.