Sentences with phrase «modeled the ocean current»

Using observed and modeled ocean current conditions, they found a difference of distance between the turtles and drifters to be as much as 125 miles in the first few days.

Temperature observations are sparse around the hostile continent, but scientists recently modeled the ocean current knock - on effects of these wind changes, which have been caused by ozone thinning and by the buildup of greenhouse gases.

Not exact matches

«Using a numerical climate model we found that sulfate reductions over Europe between 1980 and 2005 could explain a significant fraction of the amplified warming in the Arctic region during that period due to changes in long - range transport, atmospheric winds and ocean currents.

Greatly improved computer models began to suggest how such jumps could happen, for example through a change in the circulation of ocean currents.

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.

It also uses a low - resolution ocean model that doesn't include key currents that transfer heat to higher latitudes, such as the Gulf Stream.

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.

Visitors can enter models of the explorers» base camps and view a computer map of Antarctica outlining the ocean currents around the continent and the land masses and mountains that lie hidden beneath the ice.

«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).

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 current study is based on fundamental work on the modeling of the seafloor, which was conducted in the group of Professor Lars Rüpke within the framework of the Kiel Cluster of Excellence «The Future Ocean.»

The new findings of successful multi-year drought / fire predictions are based on a series of computer modeling experiments, using the state - of - the - art earth system model, the most detailed data on current ocean temperature and salinity conditions, and the climate responses to natural and human - linked radiative forcing.

Surprise find The team's actual mission was to survey ocean currents near the Ross Ice Shelf, a slab of ice extending more than 600 miles (970 kilometers) northward from the grounding zone of the West Antarctic Ice Sheet into the Ross Sea, to model the behavior of a drill string, a length of pipe extending to the seafloor which delivers drilling fluids and retrieves sediment samples.

Computer models peg ocean acidity at 7.8 to 7.7 by the end of the century at the current rate of greenhouse gas emissions.

This information will provide unique insight into the eddy's duration, stability, and influence on the ocean systems; and will improve current ocean models, which are critical for developing expectations on the health of future oceans.

Climate models do not predict an even warming of the whole planet: changes in wind patterns and ocean currents can change the way heat is distributed, leading to some parts warming much faster than average, while a few may cool, at least at first.

According to the model, wind and ocean currents often transport meltwater around the southern tip of Greenland on a westward journey that can take upward of 60 days.

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.

January 2004: «Directions for Climate Research» Here, ExxonMobil outlines areas where it deemed more research was necessary, such as «natural climate variability, ocean currents and heat transfer, the hydrological cycle, and the ability of climate models to predict changes on a regional and local scale.»

The results are presented at a resolution high enough to enable studying ocean eddies and other narrow current systems, which are overlooked by lower - resolution models.

Sometimes the data viz artists work with other scientists» data; sometimes they pursue projects of their own — like this awesome model of ocean currents.

Some models have shown that transport via ocean currents from more densely populated areas further south is highly likely.

The outer layer of this hydrosphere is almost entirely frozen, but current models predict that there is an ocean up to 100 kilometers in depth underneath the ice.

The researchers use computer models to forecast future ocean conditions such as surface temperatures, salinity, and currents, and project how the distribution of different fish species could respond to climate change.

They use computer models to investigate the sensitivity of Thwaites Glacier to ocean melt, and to determine whether the current recession is unstable17.

Using a highly realistic biophysical model of ocean currents and larval behavior of snapper developed by co-author Claire Paris of the University of Miami, the researchers traced the movement of snapper larvae from spawning sites in Cuba.

I've been told that current models exclude anoxic oceans as a future possibility.

The ocean current data is unique and should be a valuable input to ocean modeling.

The model variables that are evaluated against all sorts of observations and measurements range from solar radiation and precipitation rates, air and sea surface temperatures, cloud properties and distributions, winds, river runoff, ocean currents, ice cover, albedos, even the maximum soil depth reached by plant roots (seriously!).

One needs to contrast the long - term weakening of the Walker circulation (which is robust) with the change in the models» El Nià ± o (which is not robust — there's a series of papers describing this for the current IPCC models: e.g. van Oldenborgh et al 2005 Ocean Sci., Merryfield 2005 J. Clim., Capotondi et al 2005 J. Clim., Guilyard 2005 Clim.

Chan and Liu (2004) argue that current models are not yet sufficiently good for addressing the question regarding global warming and typhoons (A typhoon is technically the same as a hurricane, the difference being that they form over the western Pacific or the Indean Ocean).

Many different models have now demonstrated that our understanding of current forcings, long - term observations of the land surface and ocean temperature changes and the canonical estimates of climate forcing are all consistent within the uncertainties.

On the other hand, the budgeting of salinity implicit in the ocean model used by Hatun et al. may not properly account for river run - off (freshens the water), transport from the Pacific, the Canadian Archipelago, the East Greenland current, or melting processes.

So, if some of these ideas on termination of glaciations are correct (ice - sheet temperature, ocean circulation and CO2), and all of these are omitted from the current model, it leaves open the possibility that a more comprehensive model would get a different result.

The improved computer models also began to suggest how such jumps could happen, for example through a change in the circulation of ocean currents.

Since paleo reconstructions are highly dependent on ocean currents, without a proper model of the ocean currents, «averaging» Paleo reconstructions can lead to false conclusions.

Projections differ widely among climate models, and differences in the solar reflection by low clouds over tropical oceans account for much of the spread in climate projections across current models.

Molines, G. Madec, 2014, Improvements of simulated Western North Atlantic current system and impacts on the AMOC, Ocean Modelling, Volume 76, Pages 1 - 19 link

Adapted for Australian oceans, the model simulates the effect of climate in the 2060s on temperature and currents in the warm pool, a tuna habitat defined by warmer surface water.

Using an ocean circulation model for the shelf, the authors find that surface temperatures may increase by 0.5 to 2.0 °C, seasonal surface salinity may drop by up to 2 PSS in some areas, and that Haida Eddies will strengthen, as will the Vancouver Island Coastal Current and freshwater discharges into coastal waters.

It is thought that the poor representation of ocean upwelling in current models has larger scale impacts reducing the accuracy of model projections on a global scale.

Here for example is the climate model simulation of the mixing currents that overturn the upper layers of the ocean across the Pacific.

Likewise, if they «blow» and «rain» observed winds and precipitation onto an ocean model, it can reproduce the major ocean currents.

That the prediction problem is real was clearly illustrated in the reports from a 2016 meeting at the Royal Society [Shepherd et al., 2017] where it was reported that «Our current understanding of both the causes and consequences of reduced oxygen in the ocean, and our ability to represent them in models are therefore inadequate and the reasons for this remain unclear.»

We work with global ocean circulation models to understand issues like the thermal expansion of ocean waters due to global warming or the effect of changing ocean currents on regional sea levels.

And if the oceans shed this heat on a semi-regular basis, it will have huge implications for current GW models.

An Earth System Model (ESM) is a computer code that uses the mathematics and physics of fluid motion and thermodynamics to predict the Earth's temperature, winds and currents, moisture and / or salinity and pressure in the atmosphere and ocean.

The current operational ensemble forecast systems model sea ice dynamically using the LIM2 model within NEMO ocean model to represent the dynamic and thermodynamic evolution of sea ice within the coupled forecast system.

The US CLIVAR Western Boundary Current Working Group was charged with identifying shortcomings in the atmosphere, ocean, and coupled models that need to be addressed to accurately model western boundary current atmosphere - ocean interCurrent Working Group was charged with identifying shortcomings in the atmosphere, ocean, and coupled models that need to be addressed to accurately model western boundary current atmosphere - ocean intercurrent atmosphere - ocean interaction.

For examples deep ocean currents and clouds are not well modelled by any of the IPCC models, all of which employ fudge factors to make the models fit.