Sentences with phrase «global ocean models»

A researcher from the Finnish Meteorological Institute has been participating in a comparison of how well global ocean models respond to the changes to sea ice and close - to - surface water.

A researcher from the Finnish Meteorological Institute has been participating in a comparison of how well global ocean models respond to the changes to sea ice and close - to - surface water.

«When we included projected Antarctic wind shifts in a detailed global ocean model, we found water up to 4 °C warmer than current temperatures rose up to meet the base of the Antarctic ice shelves,» said lead author Dr Paul Spence from the ARC Centre of Excellence for Climate System Science (ARCCSS).

His current research includes global ocean modeling and data assimilation efforts as part of Estimating the Circulation & Climate of the Ocean (ECCO) consortium, as well as using ensemble methods for regional ocean analysis and prediction.

Schmidt, G.A., 1999: Forward modeling of carbonate proxy data from planktonic foraminifera using oxygen isotope tracers in a global ocean model.

Not exact matches

In a future which will increasingly be characterized by mass migration and the shifting of political borders, the Ocean Model of Civilisation can serve as a constructive paradigm for greater global security — especially its transcultural dimension — by promoting better and more dignified treatment of human beings, tolerance of diversity and respect for differences.

Models project a 0.3 - 0.4 drop in the global average of ocean pH by 2100.

But climate models predict reductions in dissolved oxygen in all oceans as average global air and sea temperatures rise, and this may be the main driver of what is happening there, she says.

«Some climate models suggest that under global warming scenarios, ocean oxygen content will decrease,» Johnson says.

Global climate models need to account for what Meehl calls «slowly varying systems» — how warmer air gradually heats the ocean, for example, and what effect this warming ocean then has on the air.

The models must track how carbon dioxide and other greenhouse gases cycle through the whole system — how the gases interact with plant life, oceans, the atmosphere — and how this influences overall global temperatures.

The resulting outburst of methane produced effects similar to those predicted by current models of global climate change: a sudden, extreme rise in temperatures, combined with acidification of the oceans.

However, in the 2013 Fifth Assessment Report (AR5), the IPCC concluded that «Modelling indicates that SRM methods, if realizable, have the potential to substantially offset a global temperature rise, but they would also modify the global water cycle, and would not reduce ocean acidification.»

«Advances in global climate models and high quality ocean, atmospheric and land observations are helping us push the frontiers of snowpack prediction.»

These simulations were run using the leading - edge, high - resolution global ocean circulation model, NEMO.

In Trafalgar Square, anonymous artistic group Luzinterruptus will install Plastic Islands, a model that alludes to the Great Pacific Garbage Patch — an enormous, diffuse «island» of refuse in the middle of the ocean, drawn together by global tides.

To find out why, Huber ran a computer model to examine the effect of global darkness on the deep ocean.

By combining this data with Ridgwell's global climate model, the team deduced the amount of carbon added to the ocean and atmosphere and concluded that volcanic activity during the opening of the North Atlantic was the dominant force behind the PETM.

Our global climate models zoom down to finer and finer resolutions; our satellites reveal remote corners of the globe; we increase our understanding of the response of giant ice sheets and deep ocean currents to a warming planet.

The model was developed recently by the US government's National Oceanographic and Atmospheric Administration (NOAA) to make use of new sea and wind data collected from instruments moored across the Pacific as part of the international Tropical Ocean / Global Atmosphere (TOGA) research programme.

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.

MODIS tracks features of the land, oceans and atmosphere that can help develop models that predict global changes.

«It's like weather forecasts, but for bionutrients and phytoplankton in the ocean,» said Cecile Rousseaux, an ocean modeler with Goddard's Global Modeling and Assimilation Office.

Their findings, based on output from four global climate models of varying ocean and atmospheric resolution, indicate that ocean temperature in the U.S. Northeast Shelf is projected to warm twice as fast as previously projected and almost three times faster than the global average.

The global climate models assessed by the Intergovernmental Panel on Climate Change (IPCC), which are used to project global and regional climate change, are coarse resolution models based on a roughly 100 - kilometer or 62 - mile grid, to simulate ocean and atmospheric dynamics.

They used a high - resolution ocean model that has been shown to do a good job of matching direct satellite observations of the global ocean system.

So they created a set of global climate models to analyze the ocean and atmosphere over a 40 - year period, keeping carbon dioxide levels fixed.

«Northwest Atlantic Ocean may get warmer, sooner: High resolution global climate model shows much faster warming and changing ocean circulation.&rOcean may get warmer, sooner: High resolution global climate model shows much faster warming and changing ocean circulation.&rocean circulation.»

For much of the global ocean the coarser resolution is okay, but when you are studying a unique location like the Gulf of Maine, with its complex bathymetry of deep basins, channels, and shallow banks combined with its location near the intersection of two major ocean current systems, the output from the coarser models can be misleading.»

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

For assessing the global ocean - carbon sink, McKinley and her co-authors from the National Oceanic and Atmospheric Administration (NOAA) Pacific Marine Environmental Laboratory, NCAR and the University of Colorado Boulder used the model to establish a long - running climate scenario from historical data.

«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.»

The researchers believe that the interaction of the ocean beneath the ice shelf and melting of the ice shelf is an important variable that should be incorporated into the sea level rise models of global warming.

The scientists developed a mixotrophic model of the global ocean food web, at the scale of marine plankton, in which they gave each plankton class the ability to both photosynthesize and consume prey.

«By prescribing the effects of human - made climate change and observed global ocean temperatures, our model can reproduce the observed shifts in weather patterns and wildfire occurrences.»

They incorporated the lifecycle of phytoplankton and zooplankton — small, often microscopic animals at the bottom of the food chain — into a novel mechanistic model for assessing the global ocean carbon export.

But he cautions that the rapid increase in the extent of worms» burrowing modeled in the new study may have been limited to some areas of the ancient ocean and has yet to be shown to be a global phenomenon.

«This study furthers the understanding of the global methane budget and may have ramifications for the development of future greenhouse gas models,» said study co-author Katherine Segarra, an oceanographer at the U.S. Department of the Interior's Bureau of Ocean Energy Management.

But the models also suggest that the scheme could go too far: Adding excess sulfur could increase ice in Antarctica, «overcompensating» for warming, says Rasch, which could affect ecosystems and the global ocean - atmosphere system in a myriad of ways that scientists haven't studied.

Because these waves are involved in ocean mixing and thus the transfer of heat, understanding them is crucial to global climate modeling, says Tom Peacock, a researcher at the Massachusetts Institute of Technology.

In February, Australian and American researchers who compared ocean and climate modeling results with weather observations published findings in Nature Climate Change advancing earlier studies that explored the oscillation's global influence.

Climate models show the absence of a global atmospheric circulation pattern which bolsters high ocean temperatures key to coral bleaching

They were Jorge Sarmiento, an oceanographer at Princeton University who constructs ocean - circulation models that calculate how much atmospheric carbon dioxide eventually goes into the world's oceans; Eileen Claussen, executive director of the Pew Center for Global Climate Change in Washington, D.C.; and David Keith, a physicist with the University of Calgary in Alberta who designs technological solutions to the global warming prGlobal Climate Change in Washington, D.C.; and David Keith, a physicist with the University of Calgary in Alberta who designs technological solutions to the global warming prglobal warming problem.

An international team of 27 oceanographers churned through 13 global models and concluded that carbon dioxide emissions could cause pH levels in the ocean to drop from an average of 8.1 today to 7.7 by the end of the century.

Its number - crunching capabilities are used to study ship hydrodynamics and air turbulence, to probe industrial combustion turbines to create cleaner engines, and to understand global ocean circulation, as well as for earthquake simulations and aircraft noise - reduction modeling.

The researchers paired MIT's global circulation model — which simulates physical phenomena such as ocean currents, temperatures, and salinity — with an ecosystem model that simulates the behavior of 96 species of phytoplankton.

New understanding of changes in North Pacific ocean circulation over the past 1.2 million years could lead to better global climate models

Now, high throughput sequencing, quantitative imaging methods, dedicated bio-informatics and modeling tools are poised to assess the complexity of the global ocean systems.

Scientists are involved in the evaluation of global - scale climate models, regional studies of the coupled atmosphere / ocean / ice systems, regional severe weather detection and prediction, measuring the local and global impact of the aerosols and pollutants, detecting lightning from space and the general development of remotely - sensed data bases.

Themes: Aerosols, Arctic and Antarctic climate, Atmospheric Science, Climate modelling, Climate sensitivity, Extreme events, Global warming, Greenhouse gases, Mitigation of Climate Change, Present - day observations, Oceans, Paleo - climate, Responses to common contrarian arguments, The Practice of Science, Solar forcing, Projections of future climate, Climate in the media, Meeting Reports, Miscellaneous.