Sentences with phrase «ocean and atmosphere model»

In response to a growing need to systematically analyze coupled ocean and atmosphere model outputs from multiple climate modeling centres, it has subsequently grown into a large program to advance model development and scientific understanding of the Earth system.

Ocean and atmosphere models used to predict the evolution of the Earth's climate in real - time started to suggest the potential for a major regime shift in the Pacific, with pronounced warming of the eastern Pacific.

Not exact matches

Not a real one, of course, but rather a virtual voyager, a computer model that plumbs the otherwise - inaccessible depths of Earth's anoxic past (or an alien planet's present), exploring the possible chemistry of gases in the atmosphere and ocean that could have occurred there.

«The widespread loss of Antarctic ice shelves, driven by a warming ocean or warming atmosphere, could spell disaster for our coastlines — and there is sound geological evidence that supports what the models are telling us,» said Robert M. DeConto of the University of Massachusetts Amherst, a co-author of the study and one of the developers of the ice - sheet model used.

A step that could improve climate models A better understanding of how the atmosphere and the oceans communicate and exchange things like CO2 can also help improve climate models and predictions of the future.

A study released last month in the Journal of Geophysical Research: Atmospheres used three different models to run the same SSCE scenario in which sea - salt engineering was used in the low - latitude oceans to keep top - of - atmosphere radiative forcing at the 2020 level for 50 years and was then abruptly turned off for 20 years.

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.

GCMs are computer models which capture physical processes governing the atmosphere and oceans to simulate the response of temperature, precipitation, and other meteorological variables in different scenarios.

The model reconstructs how present - day continents, oceans and the atmosphere may have evolved.

«This is true for both types of models — those driven with observed sea surface temperatures, and the coupled climate models that simulate evolution of both the atmosphere and ocean and are thus not expected to yield the real - world evolution of the PDO.

Jason - 3 measurements will also be ingested by Numerical prediction models coupling the atmosphere and the oceans used for seasonal forecasting.

«We're trying to understand how what we're doing to the Earth's atmosphere and oceans will play out in the future,» says Bette Otto - Bliesner, who runs a full - complexity climate model — and its 1.5 million lines of code — through a supercomputer named Yellowstone at the National Center for Atmospheric Research in Boulder.

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.

Other researchers are pushing the frontiers of climate modeling, simulating how the oceans, atmosphere and land responded as Pliocene temperatures soared.

To test the hypothesis, Kutzbach and Lui ran an ocean model that responded to the increased radiation, then fed the revised ocean temperatures into an atmosphere model.

In addition to the atmosphere, models must also include other key earthly elements, such as the ocean, land masses and even sea ice.

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.

«Using atmosphere and ocean grids that have the same shape is in a sense an obvious thing to do, but it is not being done in all models,» Randall explains.

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.

«While the detection of greening is based on data, the attribution to various drivers is based on models,» said co-author Josep Canadell of the Oceans and Atmosphere Division in the Commonwealth Scientific and Industrial Research Organisation in Canberra, Australia.

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.

COAWST combines models of ocean, atmosphere, waves and sediment transport for analysis of coastal change.

That is a question climate scientists have so far been unable to answer because of limited opportunities to take robust ocean - atmosphere measurements around the planet and because of inherent challenges in existing computer models.

Climate modeling shows that the trends of warming ocean temperatures, stronger winds and increasingly strong upwelling events are expected to continue in the coming years as carbon dioxide concentrations in the atmosphere increase.

A decade ago, these models typically focused on the atmosphere and the ocean.

Most important, it relies on the first published results from the latest generation of so - called Earth System climate models, complex programs that run on supercomputers and seek to simulate the planet's oceans, land, ice, and atmosphere.

CMIP was established as a resource for climate modelers, providing a standard protocol for studying the output of coupled atmosphere - ocean general circulation models so that these models can be compared and validated.

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.

«The model we developed and applied couples biospheric feedbacks from oceans, atmosphere, and land with human activities, such as fossil fuel emissions, agriculture, and land use, which eliminates important sources of uncertainty from projected climate outcomes,» said Thornton, leader of the Terrestrial Systems Modeling group in ORNL's Environmental Sciences Division and deputy director of ORNL's Climate Change Science Institute.

This work has been supported by the NOPP project «Advanced coupled atmosphere - wave - ocean modeling for improving tropical cyclone prediction models» (PIs: Isaac Ginis, URI and Shuyi Chen, UM) and by the Gulf of Mexico Research Initiative (GoMRI) Consortium for Advanced Research on the Transport of Hydrocarbons in the Environment — CARTHE (PI: Tamay Özgökmen, UM).

Using a coupled model of the ocean and the atmosphere, they were able to successfully replicate these events.

They then analyzed ocean - atmosphere carbon exchange and ocean carbon cycling within their circulation model.

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.

Researchers carry out innovative basic and applied research programs in coral reef biology, ecology, and geology; fish biology, ecology, and conservation; shark and billfish ecology; fisheries science; deep - sea organismal biology and ecology; invertebrate and vertebrate genomics, genetics, molecular ecology, and evolution; microbiology; biodiversity; observation and modeling of large - scale ocean circulation, coastal dynamics, and ocean atmosphere coupling; benthic habitat mapping; biodiversity; histology; and calcification.

However, the models also suggest that, as we go forward in time, the relative importance of increasing radiative effects, compared with atmosphere and ocean dynamic effects, is likely to increase.

The remote impacts of Arctic sea - ice loss can only be properly represented using models that simulate interactions among the ocean, sea ice, land and atmosphere.

In fact, we find the model range is an excellent predictor of observed trends and their uncertainty due to random chaotic processes in the atmosphere and ocean.»

Collaborative products range from published papers that build realistic radiative transfer models from within the ocean to the top of the atmosphere to the assembly of novel databases that contain ocean and atmospheric measurements useful to develop novel algorithms.

Climate models are mathematical representations of the interactions between the atmosphere, oceans, land surface, ice — and the sun.

A: Climate models are mathematical representations of the interactions between the various aspects of the climate system including the atmosphere, oceans, land surface, ice, and the Sun.

Marine planktonic ecosystem dynamics, biogeochemical cycling and ocean - atmosphere - land carbon system, ocean acidification, climate change and ocean circulation, satellite ocean color, air - sea gas exchange, numerical modeling, data analysis, and data assimilation

Broecker's articulation of likely effects of freshwater outbursts in the North Atlantic on ocean circulation and global climate (Broecker, 1990; Broecker et al., 1990) spurred quantitative studies with idealized ocean models (Stocker and Wright, 1991) and global atmosphere — ocean models (Manabe and Stouffer, 1995; Rahmstorf 1995, 1996).

CESM is a fully - coupled Earth System model, meaning all components of the Earth (atmosphere, land, ocean and cryosphere) «talk» to each other in the model.

Abstract: Surface ocean wind datasets are required to be of high spatial and temporal resolution and high precision to accurately force or be assimilated into coupled atmosphere - ocean numerical models and understand ocean - atmospheric processes.

Sausen, R., K. Barthel, and K. Hasselmann, 1988: Coupled ocean - atmosphere models with flux correction.

In an ensemble of fully coupled atmosphere - ocean general circulation model (AOGCM) simulations of the late Paleocene and early Eocene, we identify such a circulation - driven enhanced intermediate - water warming.

Yukimoto, S., et al., 2001: The new Meteorological Research Institute global ocean - atmosphere coupled GCM (MRI - CGCM2)-- Model climate and variability.

Diansky, N.A., and E.M. Volodin, 2002: Simulation of the present - day climate with a coupled atmosphere - ocean general circulation model.

Manabe, S., and R.J. Stouffer, 1997: Coupled ocean - atmosphere model response to freshwater input: Comparison to Younger Dryas event.