Sentences with phrase «of global climate simulations»

The work supports the Laboratory's Global Security mission area and the Information, Science, and Technology science pillar through enhanced ocean model components of global climate simulations.

This error must then enter into every single step of a global climate simulation.

Not exact matches

New supercomputer simulations suggest that the stratospheric vortex of winds helps churn the oceans around the planet — and therefore also might help shape global climate, the researchers say.

Global simulations conducted by the team found that microbial responses to enhanced root activity under rising CO2, while depending on plant species, climate and soil mineralogy, led to a loss of global soil carbon stocks that counteracted the additional carbon storage resulting from increased plant growth in many regions of the Global simulations conducted by the team found that microbial responses to enhanced root activity under rising CO2, while depending on plant species, climate and soil mineralogy, led to a loss of global soil carbon stocks that counteracted the additional carbon storage resulting from increased plant growth in many regions of the global soil carbon stocks that counteracted the additional carbon storage resulting from increased plant growth in many regions of the world.

The model has already been integrated into the next generation of the global land model used for climate simulations by the NOAA Geophysical Fluid Dynamics Laboratory, a major national climate modeling center.

Academic: includes lectures by international leaders in the different fields of science diplomacy (energy, environment, climate, water, global health, nuclear nonproliferation, space, etc.), exclusive online learning tools, interactive case studies, and experiential learning through role - playing exercises and simulations.

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.

The study, led by the Berlin - based think - tank Global Climate Forum (GCF) and involving the University of Southampton, presents, for the first time, comprehensive global simulation results on future flood damages to buildings and infrastructure in coastal flood pGlobal Climate Forum (GCF) and involving the University of Southampton, presents, for the first time, comprehensive global simulation results on future flood damages to buildings and infrastructure in coastal flood pglobal simulation results on future flood damages to buildings and infrastructure in coastal flood plains.

Simulations by Cristina Archer at the University of Delaware in Newark and Ken Caldeira of Stanford University in California suggest that extracting enough energy from high - level winds to meet all our current energy demands would have no significant impact on global climate.

Because ocean currents play a major role in transporting the planet's heat and carbon, the ECCO simulations are being used to understand the ocean's influence on global climate and the melting of ice in polar regions.

The model is designed so that they can embed it within coarser global climate models — a combination that results in precise simulations of hurricanes in the context of a globally changing climate.

An international group of atmospheric chemists and physicist could now have solved another piece in the climate puzzle by means of laboratory experiments and global model simulations.

Model simulations of 20th century global warming typically use actual observed amounts of atmospheric carbon dioxide, together with other human (for example chloroflorocarbons or CFCs) and natural (solar brightness variations, volcanic eruptions,...) climate - forcing factors.

After the field campaign, Fast will perform computer simulations to help evaluate all of the field campaign data and quantify the uncertainties associated with using coarse grid global climate models to study megacity emissions and to determine the radiative impact of the Mexico City particulates on the local and regional climate.

CESM models the global climate, providing state - of - the - art computer simulations of the Earth's past, present, and future climate states.

(Top left) Global annual mean radiative influences (W m — 2) of LGM climate change agents, generally feedbacks in glacial - interglacial cycles, but also specified in most Atmosphere - Ocean General Circulation Model (AOGCM) simulations for the LGM.

Hines, K.M., D.H. Bromwich, and Z. Liu, 1997: Combined global model and mesoscale simulations of Antarctic climate.

Scaife, A.A., et al., 2000: Realistic quasi-biennial oscillations in a simulation of the global climate.

Our new study links a framework for global and local sea - level rise projections with simulations of two major mechanisms by which climate change can affect t...

Walsh, J.E., et al., 2002: Comparison of Arctic climate simulations by uncoupled and coupled global models.

Roberts, M., et al., 2004: Impact of an eddy - permitting ocean resolution on control and climate change simulations with a global coupled GCM.

This study links a framework for global and local sea - level rise projections with simulations of two major mechanisms by which climate change can affect the vast Antarctic ice sheet.

This information increases global climate simulation accuracy through better representation of deep ocean heat and carbon fluxes.

Scientists are using airborne observations of atmospheric trace gases, aerosols, and cloud properties from the North Slopes of Alaska to improve their understanding of global climate, with the goal of reducing the uncertainty in global and regional climate simulations and projections.

A large ensemble of Earth system model simulations, constrained by geological and historical observations of past climate change, demonstrates our self ‐ adjusting mitigation approach for a range of climate stabilization targets ranging from 1.5 to 4.5 °C, and generates AMP scenarios up to year 2300 for surface warming, carbon emissions, atmospheric CO2, global mean sea level, and surface ocean acidification.

Global climate simulations are just beginning to be able to resolve the largest of these key scales.

So understanding the physical processes that affect these phenomena has been critical for improving simulations of global climate.

The Institute will spur significant advances in software infrastructure, education, standards, and best - practices that are needed to enable the molecular science community to open new windows on the next generation of scientific Grand Challenges, ranging from the simulation of intrinsically disordered proteins associated with a range of diseases to the design of new catalysts vital to the global chemical industry and climate change.

The simulations were produced with a suite of global and regional climate models as part of the North American Regional Climate Change Assessment Pclimate models as part of the North American Regional Climate Change Assessment PClimate Change Assessment Program.

First, most climate simulations, including ours above and those of IPCC [1], do not include slow feedbacks such as reduction of ice sheet size with global warming or release of greenhouse gases from thawing tundra.

M2009 use a simplified carbon cycle and climate model to make a large ensemble of simulations in which principal uncertainties in the carbon cycle, radiative forcings, and climate response are allowed to vary, thus yielding a probability distribution for global warming as a function of time throughout the 21st century.

It is a permanent part of the German Max Planck Instituut's climate system model, which is used for global climate change simulations in the IPCC reports and elsewhere.

Working with Tom Chase, a colleague at the institute, the researchers were comparing climate simulations from the Community Land Model — part of a select group of global models used in the Intergovernmental Panel on Climate Change's 2007 climate change report — against observclimate simulations from the Community Land Model — part of a select group of global models used in the Intergovernmental Panel on Climate Change's 2007 climate change report — against observClimate Change's 2007 climate change report — against observclimate change report — against observations.

Other AgMIP initiatives include global gridded modeling, data and information technology (IT) tool development, simulation of crop pests and diseases, site - based crop - climate sensitivity studies, and aggregation and scaling.

We analysed high - temporal - resolution records of iceberg - rafted debris derived from the Antarctic Ice Sheet, and performed both high - spatial - resolution ice - sheet modelling of the Antarctic Ice Sheet and multi-millennial global climate model simulations.

Mike's work, like that of previous award winners, is diverse, and includes pioneering and highly cited work in time series analysis (an elegant use of Thomson's multitaper spectral analysis approach to detect spatiotemporal oscillations in the climate record and methods for smoothing temporal data), decadal climate variability (the term «Atlantic Multidecadal Oscillation» or «AMO» was coined by Mike in an interview with Science's Richard Kerr about a paper he had published with Tom Delworth of GFDL showing evidence in both climate model simulations and observational data for a 50 - 70 year oscillation in the climate system; significantly Mike also published work with Kerry Emanuel in 2006 showing that the AMO concept has been overstated as regards its role in 20th century tropical Atlantic SST changes, a finding recently reaffirmed by a study published in Nature), in showing how changes in radiative forcing from volcanoes can affect ENSO, in examining the role of solar variations in explaining the pattern of the Medieval Climate Anomaly and Little Ice Age, the relationship between the climate changes of past centuries and phenomena such as Atlantic tropical cyclones and global sea level, and even a bit of work in atmospheric chemistry (an analysis of beryllium - 7 measureclimate record and methods for smoothing temporal data), decadal climate variability (the term «Atlantic Multidecadal Oscillation» or «AMO» was coined by Mike in an interview with Science's Richard Kerr about a paper he had published with Tom Delworth of GFDL showing evidence in both climate model simulations and observational data for a 50 - 70 year oscillation in the climate system; significantly Mike also published work with Kerry Emanuel in 2006 showing that the AMO concept has been overstated as regards its role in 20th century tropical Atlantic SST changes, a finding recently reaffirmed by a study published in Nature), in showing how changes in radiative forcing from volcanoes can affect ENSO, in examining the role of solar variations in explaining the pattern of the Medieval Climate Anomaly and Little Ice Age, the relationship between the climate changes of past centuries and phenomena such as Atlantic tropical cyclones and global sea level, and even a bit of work in atmospheric chemistry (an analysis of beryllium - 7 measureclimate variability (the term «Atlantic Multidecadal Oscillation» or «AMO» was coined by Mike in an interview with Science's Richard Kerr about a paper he had published with Tom Delworth of GFDL showing evidence in both climate model simulations and observational data for a 50 - 70 year oscillation in the climate system; significantly Mike also published work with Kerry Emanuel in 2006 showing that the AMO concept has been overstated as regards its role in 20th century tropical Atlantic SST changes, a finding recently reaffirmed by a study published in Nature), in showing how changes in radiative forcing from volcanoes can affect ENSO, in examining the role of solar variations in explaining the pattern of the Medieval Climate Anomaly and Little Ice Age, the relationship between the climate changes of past centuries and phenomena such as Atlantic tropical cyclones and global sea level, and even a bit of work in atmospheric chemistry (an analysis of beryllium - 7 measureclimate model simulations and observational data for a 50 - 70 year oscillation in the climate system; significantly Mike also published work with Kerry Emanuel in 2006 showing that the AMO concept has been overstated as regards its role in 20th century tropical Atlantic SST changes, a finding recently reaffirmed by a study published in Nature), in showing how changes in radiative forcing from volcanoes can affect ENSO, in examining the role of solar variations in explaining the pattern of the Medieval Climate Anomaly and Little Ice Age, the relationship between the climate changes of past centuries and phenomena such as Atlantic tropical cyclones and global sea level, and even a bit of work in atmospheric chemistry (an analysis of beryllium - 7 measureclimate system; significantly Mike also published work with Kerry Emanuel in 2006 showing that the AMO concept has been overstated as regards its role in 20th century tropical Atlantic SST changes, a finding recently reaffirmed by a study published in Nature), in showing how changes in radiative forcing from volcanoes can affect ENSO, in examining the role of solar variations in explaining the pattern of the Medieval Climate Anomaly and Little Ice Age, the relationship between the climate changes of past centuries and phenomena such as Atlantic tropical cyclones and global sea level, and even a bit of work in atmospheric chemistry (an analysis of beryllium - 7 measureClimate Anomaly and Little Ice Age, the relationship between the climate changes of past centuries and phenomena such as Atlantic tropical cyclones and global sea level, and even a bit of work in atmospheric chemistry (an analysis of beryllium - 7 measureclimate changes of past centuries and phenomena such as Atlantic tropical cyclones and global sea level, and even a bit of work in atmospheric chemistry (an analysis of beryllium - 7 measurements).

Gerald A. Meehl, Haiyan Teng & Julie M. Arblaster, National Center for Atmospheric Research, Boulder, Colorado 80307, USA (http://www.nature.com/nclimate/journal/v4/n10/full/nclimate2357.html): «The slowdown in the rate of global warming in the early 2000's is not evident in the multi-modal ensemble average of traditional climate change projection simulations.»

Even putting aside the OHC data and fingerprinting, there is absolutely no evidence in model simulations (or in prevailing reconstructions of the Holocene), that an unforced climate would exhibit half - century timescale global temperature swings of order ~ 1 C. I don't see a good theoretical reason why this should be the case, but since Judith lives on «planet observations» it should be a pause for thought.

In a recent paper by Bengtsson & Hodges (2006), simulations with the ECHAM5 Global Climate Model (GCM) were analysed, but they found no increase in the number of mid-latitude storms world - wide.

Second, the absolute value of the global mean temperature in a free - running coupled climate model is an emergent property of the simulation.

In this case the CO2 concentration is instantaneously quadrupled and kept constant for 150 years of simulation, and both equilibrium climate sensitivity and RF are diagnosed from a linear fit of perturbations in global mean surface temperature to the instantaneous radiative imbalance at the TOA.

The team ran a suite of 400 computer simulations incorporating both what is known about how the climate could react to a greenhouse - gas buildup and a wide range of variations in the global economy and other human factors that might affect the outcome.

Kosaka and Xie made global climate simulations in which they inserted specified observed Pacific Ocean temperatures; they found that the model simulated well the observed global warming slowdown or «hiatus,» although this experiment does not identify the cause of Pacific Ocean temperature trends.

Member of the team Alena Kimbrough says, «We've shown ENSO is an important part of the climate system that has influenced global temperatures and rainfall over the past millennium... Our findings, together with climate model simulations, highlight the likelihood that century - scale variations in tropical Pacific climate modes can significantly modulate radiatively forced shifts in global temperature.»

The same simulations found that — were the world to achieve the 1.5 °C global warming limit which 195 nations agreed upon at the Paris climate summit in 2015 — then the Mediterranean region would experience only 3.2 months of drought.

http://typhoon.atmos.colostate.edu/Includes/Documents/Publications/gray2012.pdf The Physical Flaws of the Global Warming Theory and Deep Ocean Circulation Changes as the Primary Climate Driver The water vapor, cloud, and condensation - evaporation assumptions within the conventional AGW theory and the (GCM) simulations are incorrectly designed to block too much infrared (IR) radiation to space.

Due to the important role of ozone in driving temperature changes in the stratosphere as well as radiative forcing of surface climate, several different groups have provided databases characterizing the time - varying concentrations of this key gas that can be used to force global climate change simulations (particularly for those models that do not calculate ozone from photochemical principles).

Jerry's research team has developed and uses a simulation model, the Terrestrial Ecosystem Model (TEM), to consider the impacts of various aspects of global change — climate, chemistry of the atmosphere and precipitation, land cover and land use — on the structure and function of terrestrial ecosystems across the globe.

A realistic treatment of the hydrologic cycle would show that the influence of a doubling of CO2 should lead to a global surface warming of only about 0.3 °C — not the 3 °C warming as indicated by the climate simulations....

A recent meta - analysis published in the journal Nature Climate Change, by Challinor et al. (2014) examines 1,722 crop model simulations, run using global climate model output under several emissions scenarios, to evaluate the potential effects of climate change and adaptation on cropClimate Change, by Challinor et al. (2014) examines 1,722 crop model simulations, run using global climate model output under several emissions scenarios, to evaluate the potential effects of climate change and adaptation on cropclimate model output under several emissions scenarios, to evaluate the potential effects of climate change and adaptation on cropclimate change and adaptation on crop yield.