Sentences with phrase «models of climate impact»

It shows how information in models of climate impact — recently described as «completely made up» — can be improved.

Much of the confusion arises because so much of scientific modeling of climate impacts assumes a wide variety of possible stabilization targets, which gives a wide range of impacts, which makes it seem like scientists don't know what's going to happen.

Not exact matches

He dug into the numbers, consulting with a friend from NASA, and concluded that some of Al Gore's models were too conservative about the rate and impact of climate change.

Report Modelling the Impact of the Climate Leadership Plan & Federal Carbon Price on British Columbia's Greenhouse Gas Emissions (December 2016)

This study looked at genetic (varieties) and management (row spacing and nitrogen) options to minimise the impact of climate change, using rain - out shelters to control rainfall; the results provided a platform to model wheat production in future climates.

Dr. Richard Lindzen of MIT, served on IPCC: ««One of the things the scientific community is pretty agreed on is those things will have virtually no impact on climate no matter what the models say.

However, the recent period of cooling does suggest that either manmade global warming may be smaller or that the impact of other factors may be greater than climate models have so far assumed.

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.

Stefan Rahmstorf and Georg Feulner of the Potsdam Institute for Climate Impact Research in Germany modelled what would happen to temperatures on Earth if a grand minimum started now and lasted until 2100.

KATHARINE HAYHOE is an atmospheric scientist at Texas Tech University, where she studies climate modeling and the regional impacts of global warming.

Planning meetings for the Global Seed Vault in Norway spawned the idea of looking at average summer temperatures, which climate models can project relatively reliably and which have a large impact on crop yields — between 2.5 and 16 percent less wheat, corn, soy or other crops are produced for every 1.8 — degree F (1 — degree C) rise.

Similar conclusions were reached about impacts of climate change on wheat in the UK, where climate change models are predicting warmer, wetter winters for the country.

Richard Betts, head of climate impacts at the Hadley Centre of the U.K.'s Met office presented to reporters in Copenhagen today a new analysis of modeling data showing how conserving tropical forests is going to be crucial if the world is to make a target of 2 ˚C, even under the most conservative projections of how much carbon the forests contain.

Smith and his former research assistant Andrew Mizrahi used a PNNL computer model, the Global Change Assessment Model, or GCAM, to evaluate the impact of reducing soot and methane emissions on Earth's climodel, the Global Change Assessment Model, or GCAM, to evaluate the impact of reducing soot and methane emissions on Earth's cliModel, or GCAM, to evaluate the impact of reducing soot and methane emissions on Earth's climate.

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.

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.

In the study, the researchers used a 3D computer model of the atmosphere to determine the impact of VSLS on ozone and climate.

«There is a growing need for modeling activities by which we can assess the impacts of climate change in the different parts of the world,» Pachauri says.

Which part of town goes underwater first?Part of the challenge for city officials is that climate models are uncertain, and unable to give a precise picture of impacts on a local area.

At the Environmental Change Institute in Oxford, researchers Nathalie Schaller and Friederike Otto analysed results from almost 40,000 climate model calculations to test the impact of climate change on Britain's winter rains.

Agent - based modeling is also used to explore the impact humans can have on their environment during periods of climate change.

Unfortunately, current simulation models, which combine global climate models with aerosol transport models, consistently underestimate the amount of these aerosols in the Arctic compared to actual measurements during the spring and winter seasons, making it difficult to accurately assess the impact of these substances on the climate.

To weigh the net impacts of tropical storms, the scientists used a computer model predicting future climates and the possibilities of storms.

Jacobson said it also highlights the regional impact of brown carbon, which is not included as a heating component in most climate models.

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.

Plugging such weather data into a regional climate model revealed that the impacts were likely due to the increased mixing of the near - surface and higher - atmosphere air thanks to the wind turbines.

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.»

In a study published in the journal Nature Climate Change an international research team modelled the impacts of a changing climate on the distribution of almost 13 thousand marine species, more than twelve times as many species as previously sClimate Change an international research team modelled the impacts of a changing climate on the distribution of almost 13 thousand marine species, more than twelve times as many species as previously sclimate on the distribution of almost 13 thousand marine species, more than twelve times as many species as previously studied.

To model the projected impact of climate change on marine biodiversity, the researchers used climate - velocity trajectories, a measurement which combines the rate and direction of movement of ocean temperature bands over time, together with information about thermal tolerance and habitat preference.

During a Friday morning session titled «Fire and Climate,» Meg Krawchuk, a UC Berkeley «pyrogeographer,» described her efforts to model the impacts of global warming on fire patterns across the world.

«Most modeling studies that look at the impact of climate change on crop yield and the fate of agriculture don't take into account whether the water available for irrigation will change,» Monier says.

Saba, who has conducted modeling studies on the impacts of climate change on endangered leatherback turtles in the eastern Pacific Ocean, says the Northwest Atlantic loggerhead study offers a new approach in understanding how climate variability affects sea turtle populations.

Elisabetta Pierazzo of the Planetary Science Institute in Tucson, Arizona, and colleagues used a global climate model to study how water vapour and sea salt thrown up from an impact will affect ozone levels for years after the event.

For example, when examining hurricanes and typhoons, the lack of a high - quality, long - term historical record, uncertainty regarding the impact of climate change on storm frequency and inability to accurately simulate these storms in most global climate models raises significant challenges when attributing assessing the impact of climate change on any single storm.

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.

Other studies have resorted to modeling to understand the effects of contrails, which have shown that they can have an appreciable impact on global climate, despite their transient nature.

Climatologist Stephen Sitch of the Met Office Hadley Centre for Climate Prediction and Research in Exeter, England, and his colleagues used a climate model to examine the impact of rising O3 Climate Prediction and Research in Exeter, England, and his colleagues used a climate model to examine the impact of rising O3 climate model to examine the impact of rising O3 levels.

«As a result, some atmospheric circulations systems can not be resolved by these models, and this clearly impacts the accuracy of climate change predictions as shown in our study.»

«Understanding the impact of these storms will help us gain ground truth for improving the chemistry — climate models we use to project future climate,» she says.

For Tom Osborne of Reading University, senior research scientist at the National Centre for Atmospheric Science who models the global impacts of climate change on agriculture, farmers have no choice; they have to adapt where they can and change where they can't.

So it would be nice for the climate models to have sufficient resolution to be able to predict the impact of changes in coastal sea ice.»

«Factors affecting extinction and origination of species are surprisingly different, with past climate change having the highest impact on extinction but not on originations,» notes researcher Daniele Silvestro from the GGBC who developed the mathematical model used in the study.

Subsequently cited in 54 papers, the Science study showed that even using the lower end of 23 climate models suggested that in the tropics at the end of the century, «the hottest seasons on record will represent the future norm in many locations,» with the devastating impacts on wheat and rice yields.

The new model developed at Princeton has the power to examine a number of climate - related scenarios, and their impacts on varying populations, on a finer - tuned scale.

Moreover, the impacts of that warming, including sea level rise, drought, floods and other extreme weather, could hit earlier and harder than many models project, said study co-author John Fasullo, a climate scientist at the National Center for Atmospheric Research.

The model is the first to consider how the effects of climate change impacts — and the policies designed to address them — will produce very unequal outcomes between the rich and poor in the same country.

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.

«Of course, we can not predict individual rainstorms in California and their local impacts months or seasons ahead, but we can use our climate computer model to determine whether on average the next year will have drier or wetter soils or more or less wildfires.

The model is simple and straightforward,» says Nico Bauer of the Potsdam Institute for Climate Impact Research in Germany.

Use of modeling tools to predict the impact of land use and climate scenarios.