Sentences with phrase «climate models used in the study»

CESM1, the state - of - the - art climate model used in this study, has improved performance in the last few decades.
Figure 1 - Sea surface temperature trends scaled with global surface air temperature trends for half the climate models used in the study.
The 22 climate models used in this study are the same models used by the UN Intergovernmental Panel of Climate Change (IPCC), which recently shared a Nobel Peace Prize with former Vice President Al Gore.
Here you can see the observed changes in maximum, minimum, mean global temperature, and DTR vs. predictions by the four climate models used in the study.

Not exact matches

While tomatoes have been regularly used as a model organism to study the effect of climate in fruit ripening, its commercial history is a chequered one.
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.
For the study, Dr. Toohey and his colleagues from GEOMAR and the Max Planck Institute for Meteorology in Hamburg have used an aerosol - climate model to track 70 different eruption scenarios while analyzing the distribution of the sulfur particles.
Previous research has suggested a connection between coal - burning and the Sahel drought, but this was the first study that used decades of historical observations to find that this drought was part of a global shift in tropical rainfall, and then used multiple climate models to determine why.
When scientists use climate models for attribution studies, they first run simulations with estimates of only «natural» climate influences over the past 100 years, such as changes in solar output and major volcanic eruptions.
While large - scale climate research models offer a systems view of what the transport sector, for example, could contribute to climate protection in comparison to the energy sector, the study presented in Science, however, examines transport - related issues within the sector by using more recent and more specific data on how people commute and travel.
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.
Many other studies on black carbon's climate influence have used models that have been used in reports by the Intergovernmental Panel on Climate climate influence have used models that have been used in reports by the Intergovernmental Panel on Climate Climate Change.
In the study, the researchers used a 3D computer model of the atmosphere to determine the impact of VSLS on ozone and climate.
Pinyon jay: flight to nowhere Johnson and his team used climate models to study the relationship between each target species and the vegetation it uses for food resources, which is affected by shifts in temperature and precipitation.
In a recent study, Mathias Trachsel (Dept. of Biology, University of Bergen) and Atle Nesje (Dept. of Earth Science, University of Bergen and Uni Research Climate) used simple statistical models to assess and quantify the relative importance of summer temperature and winter precipitation for annual mass balances of eight Scandinavian glaciers.
A new study in Geophysical Research Letters uses historical climate model simulations to demonstrate that there has been an Arctic - wide decrease in sea level pressure since the 1800's.
In the new work, Surabi Menon of the NASA Goddard Institute for Space Studies and colleagues used aerosol data collected from 46 ground stations in China to assess four different climate modeling scenarioIn the new work, Surabi Menon of the NASA Goddard Institute for Space Studies and colleagues used aerosol data collected from 46 ground stations in China to assess four different climate modeling scenarioin China to assess four different climate modeling scenarios.
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.
Vincent Saba, a research fishery biologist at NOAA's Northeast Fisheries Science Center (NEFSC), and his study co-authors used annual nest counts from Florida and a time - series of climate data in turtle - nesting population models.
In their study, the researchers used an ensemble of climate models to simulate the concentrations of ozone and PM2.5 in the years 2000 and 185In their study, the researchers used an ensemble of climate models to simulate the concentrations of ozone and PM2.5 in the years 2000 and 185in the years 2000 and 1850.
Using global climate models and NASA satellite observations of Earth's energy budget from the last 15 years, the study finds that a warming Earth is able to restore its temperature equilibrium through complex and seemingly paradoxical changes in the atmosphere and the way radiative heat is transported.
In the GRL study, researchers used a statistical model based on historical climate data to separate how much of the extreme rainfall from Hurricane Harvey was due to natural influences and how much was due to human influences.
Noting that the timing of KD outbreaks in Japan coincides with certain wind patterns from Asia, climate scientist Xavier Rodó, PhD, and colleagues at the Catalan Institution for Research and Advanced Studies and the Catalan Institute of Climate Sciences, both in Barcelona, used computer models to simulate air currents and airborne particle transport for all days since 1977 with high numbers of KD cases in Japan, based on data compiled by Yoshikazu Nakamura, MD, and colleagues at Jichi Medical University inclimate scientist Xavier Rodó, PhD, and colleagues at the Catalan Institution for Research and Advanced Studies and the Catalan Institute of Climate Sciences, both in Barcelona, used computer models to simulate air currents and airborne particle transport for all days since 1977 with high numbers of KD cases in Japan, based on data compiled by Yoshikazu Nakamura, MD, and colleagues at Jichi Medical University inClimate Sciences, both in Barcelona, used computer models to simulate air currents and airborne particle transport for all days since 1977 with high numbers of KD cases in Japan, based on data compiled by Yoshikazu Nakamura, MD, and colleagues at Jichi Medical University in Japan.
«It's an evolution in our ability to use climate models to make predictions, particularly on timescales of a few decades,» says McKinley, also an affiliate of the Center for Climatic Research at UW - Madison's Nelson Institute for Environmental Studies.
«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.
Bringing together observed and simulated measurements on ocean temperatures, atmospheric pressure, water soil and wildfire occurrences, the researchers have a powerful tool in their hands, which they are willing to test in other regions of the world: «Using the same climate model configuration, we will also study the soil water and fire risk predictability in other parts of our world, such as the Mediterranean, Australia or parts of Asia,» concludes Timmermann.
Most climate negotiation modeling studies have used social dilemma games such as the prisoner's dilemma, in which the best interests of the individual agent are not the same as those of the whole.
Trenberth says, and some scientists agree, that attribution studies that use climate models do not work well for weather events that are local and dynamic — a flash in the pan.
He and his colleagues used more than a dozen climate models to determine the temperature and likely snow duration in the study area for 2050 and 2099.
The study, published online today in Nature Communications, used sophisticated climate model simulations to show that El Niño tends to peak during the year after large volcanic eruptions like the one at Mount Pinatubo in the Philippines in 1991.
CSIRO, the Bureau of Meteorology and the ARC Centre of Excellence for Climate System Science developed the Australian Community Climate and Earth System Simulator (ACCESS) model used in this study in partnership.
«The 3 - D climate modeling used in the new study begins to address these questions with a new level of sophistication by investigating how specific locations might have accumulated rain or snow,» she added.
The study noted that the same climate models the UN IPCC uses can only «explain only about half of the heating that occurred during a well - documented period of rapid global warming in Earth's ancient past.»
The study used three climate models that handle the basic atmospheric calculations and physics in different ways.
The scientists carefully evaluated many aspects of the climate in the four simulations, using measurements taken from the area, data pulled together from other studies, and data produced by the model.
Studies of climate change using global climate models with a focus on changes in the hydrological cycle.
Previously, Kelly was a Postdoctoral Fellow and Research Associate at the University of Washington and the University of Victoria in British Columbia, Canada where she studied the role of the changing Arctic sea ice cover on global circulation, weather, and climate using a hierarchy of numerical global climate models.
A couple of commentators (Pat Michaels, Roy Spencer) recently raised an issue about the standard scenarios used to compare climate models, in this case related to a study on the potential increase in hurricane activity.
This is a 0.9 ºC reduction from the sensitivity of 2.5 °C estimated in that predecessor study, which used the same climate model.
The study uses climate modelling to predict three possible futures - the low, medium and high impact scenarios, which describe the severity of outcomes that could be expected in a changed climate.
The analysis of processes contributing to climate feedbacks in models and recent studies based on large ensembles of models suggest that in the future it may be possible to use observations to narrow the current spread in model projections of climate change.
The work initiated by Mann and his colleagues is still in its infancy, and as such further study, the use of wider proxy networks and the development of more sophisticated climate models will all be necessary future steps in propagating this research.
Furthermore, all approaches that use the climate's time evolution attempt to account for uncertainty due to internal climate variability, either by bootstrapping (Andronova and Schlesinger, 2001), by using a noise model in fingerprint studies whose results are used (Frame et al., 2005) or directly (Forest et al., 2002, 2006).
Wigley et al. (1997) pointed out that uncertainties in forcing and response made it impossible to use observed global temperature changes to constrain ECS more tightly than the range explored by climate models at the time (1.5 °C to 4.5 °C), and particularly the upper end of the range, a conclusion confirmed by subsequent studies.
Be that as it may, all these studies, despite the large variety in data used, model structure and approach, have one thing in common: without the role of CO2 as a greenhouse gas, i.e. the cooling effect of the lower glacial CO2 concentration, the ice age climate can not be explained.
«[B] y making use of 21 CMIP5 coupled climate models, we study the contribution of external forcing to the Pacific Ocean regional sea level variability over 1993 — 2013, and show that according to climate models, externally forced and thereby the anthropogenic sea level fingerprint on regional sea level trends in the tropical Pacific is still too small to be observable by satellite altimetry.»
One can temper that with studies of paleoclimate sensitivity, but the ensemble results still should be borne in mind, since doubling CO2 takes us into a climate that has no real precendent in the part of the climate record which has been used for exploring model sensitivity, and in many regards may not have any real precedent in the entire history of the planet (in terms of initial condition and rapidity of GHG increase).
I used to be active in the radiation field, indeed I co chaired the first ICRCCM study (Intercomparison of Radiation Codes for Climate Models).
The atmospheric components of climate models were never really designed for the study of TCs, but the fact that they can produce features with TC - like character when run at sufficiently high resolutions, gives us increased confidence in the possibility that climate models can be used to analyze climate change impacts on TCs.
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