Sentences with phrase «community earth system model»

In a new study published in the Journal of Climate, the Community Earth System Model Large Ensemble (CESM - LENS) of simulations is used to explore how various characteristics of the mid-latitude atmospheric circulation (zonal flow, synoptic blockings, jet stream meanders) evolve along the course of the 21st century under the RCP8.5 scenario of anthropogenic emissions.

The community earth system model (CESM) large ensemble project: A community resource for studying climate change in the presence of internal climate variability

Applying a simulation design in the Community Earth System Model in which CO2 increases are isolated over individual continents, we demonstrate that different circulation, moisture and stability changes arise over each continent due to declines in stomatal conductance and transpiration.

What they did was constrain the Community Earth System Model with known ECS of 4.1 C (very high) to observations of global temperature and two different estimates of ocean heat uptake in combination with an ocean model coupled to an atmosphere model to represent natural internal variability.

Apropos of which, NCAR / UCAR has recently assembled a data base of 30 individual simulations of North American climate for the period 1963 to 2012 using what is known as the Community Earth System Model.

We assess this possibility using an ensemble of 30 realizations of a single global climate model [the National Center for Atmospheric Research (NCAR) Community Earth System Model (CESM1) Large Ensemble experiment («LENS»)-RSB-(29)(Materials and Methods).

A new study published in Scientific Reports has developed a state - of - the - art drought and wildfire prediction system based on the decadal climate prediction approach using the NCAR Community Earth System Model.

Ensemble decadal prediction simulations using the Community Earth System Model (CESM) can skillfully predict past decadal rates of Atlantic winter sea ice change because they do well at predicting THC - driven ocean heat content change in the vicinity of the winter sea ice edge in the Labrador, Greenland, Irminger, and Barents Seas.

We take late 21st century (2051 - 2080) sea ice variables from the Community Earth System Model Large Ensemble project; CESM - LENS.

Winter precipitation data for the past millennium were obtained from the Community Earth System Model's Last Millennium Ensemble Project (CESM LME)[43].

They use the NASA Global Modeling and Assimilation Office (GMAO) and National Center for Atmospheric Research Community Earth System Model (NCAR CESM) models respectively.

We make use of a 40 - member ensemble of climate change simulations under historical and RCP8.5 radiative forcing scenarios for the period 1920 — 2100 conducted with the Community Earth System Model Version 1 (CESM1; Hurrell et al. 2013).

I recently had this scenario dealing with model output from the NCAR Community Earth System Model (CESM).

The Community Earth System Model project is supported by the National Science Foundation and the Office of Science (BER) of the U.S. Department of Energy.

in Atmospheric Sciences and completed my honors thesis using the new Community Earth System Model Large Ensemble Project (LENS) to understand changes in the onset of spring through the 21st century.

On the relationship between the meridional overturning circulation, alongshore wind stress, and United States East Coast sea level in the Community Earth System Model Large Ensemble (Journal of Geophysical Research - Oceans)

Impacts of cloud superparameterization on projected daily rainfall intensity climate changes in multiple versions of the Community Earth System Model

The anomalous ridge was investigated using reanalysis data and the Community Earth System Model (CESM).

This study utilizes both multi-ensembles of a single model: Community Earth System Model (CESM) and multi-models in the Coupled Model Intercomparison Project phase 5 (CMIP5) archive.

Based on results from large ensemble simulations with the Community Earth System Model, we show that internal variability alone leads to a prediction uncertainty of about two decades, while scenario uncertainty between the strong (Representative Concentration Pathway (RCP) 8.5) and medium (RCP4.5) forcing scenarios [possible paths for greenhouse gas emissions] adds at least another 5 years.

The paper describes and evaluates CAM5, the advanced aerosol module for the Community Earth System Model, which provides a clearer picture of these atmospheric particles.

A number of recent studies linking changes in the North Atlantic ocean circulation to sea ice extent led Yeager to think that it would also be possible to make decadal predictions for Arctic winter sea ice cover using the NCAR - based Community Earth System Model...

He is a co-chair of the U.S. Department of Energy's Atmospheric Systems Research Cloud - Aerosol - Precipitation Interactions Working Group, co-chair of the CESM Climate - Chemistry Working Group, and served 6 years on the Scientific Steering Committee for the Community Earth System Model.

Methods: In this study, a physically based routing model, the MOdel for Scale Adaptive River Transport (MOSART), was coupled with the land component of Community Earth System Model (CESM) called Community Land Model.

Computational models that simulate the climate such as CAM5, which is the atmosphere component of the Community Earth System Model used in the Intergovernmental Panel on Climate Change 5th Assessment, are used to predict future climate changes, such as the Arctic sea ice loss.

To analyze these seemingly competing outcomes, the researchers turned to an often - used fire risk index and a global climate model called the Community Earth System Model (CESM1).

In addition, the E3SM project benefits from - DOE programmatic collaborations including the Exascale Computing Project (ECP) and programs in Scientific Discovery Through Advanced Computing (SciDAC), Climate Model Development and Validation (CMDV), Atmospheric Radiation Measurement (ARM), Program for Climate Model Diagnosis and Intercomparison (PCMDI), International Land Model Benchmarking Project (iLAMB), Community Earth System Model Community Earth System Model (CESM) and Next Generation Ecosystem Experiments (NGEE) for the Arctic and the Tropics.

A Community Earth System Model (CESM) Polar Modeling Workshop will be held at NCAR (Boulder, Colorado) from 13 - 17 August 2018.

They used the Community Earth System Model, funded primarily by the Department of Energy and NSF, to simulate global climate as well as atmospheric chemistry conditions.

Both had been created by running the NCAR - based Community Earth System Model 15 times, with one assuming that greenhouse gas emissions remain unabated and the other assuming that society reduces emissions.

Researchers use computer model outputs, such as this image from the Community Earth System Model, to study climate dynamics.

The biggest concern: that the Accelerated Climate Modeling for Energy (ACME) project, meant to forecast local impacts of climate change and to be used on DOE's future exascale supercomputers, would dilute resources from the Community Earth System Model (CESM).

«By looking at the decline in fish food over time, we can estimate how much our total potential fisheries catch could be reduced,» said Moore, who helped develop the Community Earth System Model employed in this study.

The study used simulations from the Community Earth System Model (CESM) run at the National Center for Atmospheric Research (NCAR) and examined warming scenarios ranging from 1.5 degrees Celsius all the way to 4 degrees Celsius (7.2 degrees Fahrenheit) by the end of the century.

Not exact matches

The study, «The effect of horizontal resolution on simulation quality in the Community Atmospheric Model, CAM5.1,» has been published online in the Journal of Advances in Modeling Earth Systems.

To inform its Earth system models, the climate modeling community has a long history of using integrated assessment models — frameworks for describing humanity's impact on Earth, including the source of global greenhouse gases, land use and land cover change, and other resource - related drivers of anthropogenic climate change.

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.

After four years of development, the Energy Exascale Earth System Model (E3SM) will be released to the broader scientific community this month.

Proposals that coordinate with other BER community capabilities, such as the Atmospheric System Research (ASR) program, Energy Exascale Earth System Model (E3SM) project, and Climate and Earth System Modeling programs, are encouraged.

The challenges are significant, but the record of progress suggests that within the next decade the scientific community will develop fully coupled dynamical (prognostic) models of the full Earth system (e.g., the coupled physical climate, biogeochemical, human sub-systems) that can be employed on multi-decadal time - scales and at spatial scales relevant to strategic impact assessment.

Restricting 32 — 128 km horizontal scales hardly affects the MJO in the Superparameterized Community Atmosphere Model v. 3.0 but the number of cloud - resolving grid columns constrains vertical mixing, Journal of Advances in Modeling Earth Systems, 06, doi: 10.1002 / 2014MS000340.

The response of US summer rainfall to quadrupled CO2 climate change in conventional and superparameterized versions of the NCAR Community Atmosphere Model, Journal of Advances in Modeling Earth Systems, 06, doi: 10.1002 / 2014MS000306.

The ARM Climate Research Facility, a DOE scientific user facility, provides the climate research community with strategically located in situ and remote - sensing observatories designed to improve the understanding and representation, in climate and earth system models, of clouds and aerosols as well as their interactions and coupling with the Earth's surearth system models, of clouds and aerosols as well as their interactions and coupling with the Earth's surEarth's surface.

We also use and develop community models to represent other components of the Earth system.

These models build on decades of work in the oceanographic and ecological communities, but their inclusion in models of the Earth's climate system is relatively recent (Fisher et al 2014).

Over the next 3 years the Ocean Colour Climate Change Initiative project aims to: Develop and validate algorithms to meet the Ocean Colour GCOS ECV requirements for consistent, stable, error - characterized global satellite data products from multi-sensor data archives; Produce and validate, within an R&D context, the most complete and consistent possible time series of multi-sensor global satellite data products for climate research and modelling; Optimize the impact of MERIS data on climate data records; Generate complete specifications for an operational production system; Strengthen inter-disciplinary cooperation between international Earth observation, climate research and modelling communities, in pursuit of scientific excellence.

Tim Palmer: A Very Grand Challenge for the Science of Climate Prediction — Towards a Community - Wide Prototype Probabilistic Earth - System Model

After four years of development, including contributions from the ARM Facility, the Energy Exascale Earth System Model is now available to the broader scientific community.

Yet, if we look at recent efforts by the climate simulation community to construct comprehensive Earth System Models, perhaps this question is not so ridiculous after all.

Using a prominent human - Earth systems model linked with international community climate projections, the team showed that reducing greenhouse gases not only slows climate change, it prevents millions of premature deaths.