Sentences with phrase «climate modeling activities»

There is likely much more competence in climate modeling activities than in any other environmental modeling.

Produced by IPSL and LSCE, this video shows the technology and the multidisciplinary knowledge needed for effective climate modeling activities.

For the last five years, he helped to lead the technical development team for the next generation of the atmospheric component of the Community Climate System Model Project, one of the major climate modeling activities in the United States.

For its own climate modelling activities the institute also uses DKRZ's facilities.

Not exact matches

In the Department of Meteorology at Stockholm University (MISU), researchers have done a series of model simulations investigating tropical cyclone activity during an earlier warm climate, the mid-Holocene, 6,000 years ago.

Some climate models suggest that summer blocking activity and ocean temperatures around Greenland might decline in the next several decades, but it remains uncertain.

The model calculations, which are based on data from the CLOUD experiment, reveal that the cooling effects of clouds are 27 percent less than in climate simulations without this effect as a result of additional particles caused by human activity: Instead of a radiative effect of -0.82 W / m2 the outcome is only -0.60 W / m2.

Climate models show that the additional particles caused by human activity produce a cooling effect which partially offsets the greenhouse effect.

A new climate change modeling tool developed by scientists at Indiana University, Princeton University and the National Oceanographic and Atmospheric Administration finds that carbon dioxide removal from the atmosphere owing to greater plant growth from rising CO2 levels will be partially offset by changes in the activity of soil microbes that derive their energy from plant root growth.

«There is a growing need for modeling activities by which we can assess the impacts of climate change in the different parts of the world,» Pachauri says.

Looking ahead, engineers have set their sights even higher, on computers a thousand times as fast as Tianhe - 1A that could model the global climate with unprecedented accuracy, simulate molecular interactions, and track terrorist activity.

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.

A few of the main points of the third assessment report issued in 2001 include: An increasing body of observations gives a collective picture of a warming world and other changes in the climate system; emissions of greenhouse gases and aerosols due to human activities continue to alter the atmosphere in ways that are expected to affect the climate; confidence in the ability of models to project future climate has increased; and there is new and stronger evidence that most of the warming observed over the last 50 years is attributable to human activities.

«Regional changes are mostly due to natural variability but on top of that we see this pronounced overall weakening in summer storm activity,» says co-author Dim Coumou, «This is also something projected by climate models under future emission scenarios.

«It is difficult to use climate models to study hurricane activity, and so studies such as ours, which produced a record of storms under different climate conditions, are important for our understanding of future storm activity,» Denniston said.

«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 Insclimate 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 InsClimate Change Science Institute.

However, it says the observed changes in fire activity are in line with long - term, global fire patterns that climate models have projected will occur as temperatures increase and droughts become more severe in the coming decades due to global warming.

In order to understand how El Niño responds to various climate forces, researchers test model predictions of past El Niño changes against actual records of past ENSO activity.

Such offices shall engage in cooperative research, development, and demonstration projects with the academic community, State Climate Offices, Regional Climate Offices, and other users and stakeholders on climate products, technologies, models, and other tools to improve understanding and forecasting of regional and local climate variability and change and the effects on economic activities, natural resources, and water availability, and other effects on communities, to facilitate development of regional and local adaptation plans to respond to climate variability and change, and any other needed research identified by the Under Secretary or the Advisory ComClimate Offices, Regional Climate Offices, and other users and stakeholders on climate products, technologies, models, and other tools to improve understanding and forecasting of regional and local climate variability and change and the effects on economic activities, natural resources, and water availability, and other effects on communities, to facilitate development of regional and local adaptation plans to respond to climate variability and change, and any other needed research identified by the Under Secretary or the Advisory ComClimate Offices, and other users and stakeholders on climate products, technologies, models, and other tools to improve understanding and forecasting of regional and local climate variability and change and the effects on economic activities, natural resources, and water availability, and other effects on communities, to facilitate development of regional and local adaptation plans to respond to climate variability and change, and any other needed research identified by the Under Secretary or the Advisory Comclimate products, technologies, models, and other tools to improve understanding and forecasting of regional and local climate variability and change and the effects on economic activities, natural resources, and water availability, and other effects on communities, to facilitate development of regional and local adaptation plans to respond to climate variability and change, and any other needed research identified by the Under Secretary or the Advisory Comclimate variability and change and the effects on economic activities, natural resources, and water availability, and other effects on communities, to facilitate development of regional and local adaptation plans to respond to climate variability and change, and any other needed research identified by the Under Secretary or the Advisory Comclimate variability and change, and any other needed research identified by the Under Secretary or the Advisory Committee.

The goal is to get models to the point where they can have skill in predicting features like drought or seasonal hurricane activity a few years ahead, said climate scientist Doug Smith, who leads the Met Office effort.

The carbon majors are defined as fossil fuel production entities and cement manufacturers that produced more than ≥ 8 million tonnes carbon per year (MtC / y), while the total human attribution case refers to all relevant human activities that have been measured and used in climate assessment model scenarios that influence climate change.

The reduction of surface reflection due to biological activity, derived from our results, was used as a proxy for a reduction in albedo in the regional climate model Modèle Atmosphérique Régional (MAR; Fettweis et al., 2013) to project future microbially - mediated increases in GrIS melt (see Methodology, Supplementary Information).

While the new formula, which accounts for both temperature and salinity, can be used to forecast tropical cyclone intensity in real time, it can also be applied to the results of climate modeling to provide scientists with a framework to evaluate changes in future tropical cyclone activity.

However, to make climate models more accurate, we are focused on developing a better understanding of the dynamics of organic aerosols formed from plant - based organic vapors and their interaction with aerosols emitted from human activities,» said Dr. Chen Song, a PNNL atmospheric scientist.

The combined model created as a result of the research also provides more accurate estimates on the climate impacts of human activity - caused particulates.

The Division conducts research on the longâ $ term impact of human activities on climate and natural resources using a research strategy that starts with measurements and carries that information into models, with a goal of improving the nation's ability to predict climate change.

[emphasis added] Bast: «We believe that climate has warmed in the second half of the 20th Century, we believe that there is probably a measurable human impact on climate but it's probably very small, we think that natural forces probably overwhelm any impact that human activity can have, that computer models are too unreliable to forecast what the future might hold for climate and finally that a modest amount of warming is probably going to be, on net, beneficial both to human beings and the ecosystem.

Yoshizaki, M., et al., 2005: Changes of Baui (Mei - yu) frontal activity in the global warming climate simulated by a non-hydrostatic regional model.

A couple of commentators (Pat Michaels, Roy Spencer) recently raised an issue about the standard scenarios used to compare climate models, in this case related to a study on the potential increase in hurricane activity.

http://www.metoffice.gov.uk/research/news/cmip5 ``... (CMIP5) is an internationally coordinated activity to perform climate model simulations for a common set of experiments across all the world's major climate modelling centres....

Los Alamos researchers designed the SOMA model to investigate equilibrium mesoscale activity in a setting similar to the way that ocean climate models are deployed.

Global climate models are the scientific community's best tools for understanding the detailed dynamics of the global climate system and the way those dynamics change in response to greenhouse gas emissions and other human activities.

The session explores regional integration of records and dynamic modeling to: (1) understand better the nature of climate - human - ecosystem interactions; (2) quantify the roles of different natural and anthropogenic drivers in forcing environmental change; (3) examine the feedbacks between anthropogenic activity and the natural system and; (4) provide integrated datasets for model development and data - model comparisons.

School leaders play a critical role in fostering schoolwide activities and policies that promote positive school environments, such as establishing a team to address the building climate; adult modeling of social and emotional competence; and developing clear norms, values, and expectations for students and staff members.

Promoting Student Achievement through Improved Health Policy is a quick primer of the CDC's «Whole School, Whole Community, Whole Child» model, which highlights 10 important areas for connecting health and learning: health education; physical education and physical activity; nutrition; school health services; counseling, psychological, and social services; employee wellness; safe physical environments, social and emotional school climate; family engagement; and community involvement.

The Advantage model will include Park Distance Control (PDC) with sensors at the front and rear, two - zone automatic climate control, the storage package and, in the case of the BMW X3, also automatic tailgate operation (already part of standard equipment for the BMW X4 Sports Activity Coupe).

Improving a climate model or developing new energy resources is economic activity.

Climate models suggest that human activities, specifically the emission of atmospheric greenhouse gases, may lead to increases in the frequency of severe storms in certain regions of the Northern Hemisphere.

A model was developed to understand relationships between measured sound levels and variables such as climate, topography, human activity, time of day, and day of year.

ABSTRACT «We present an advanced two - layer climate model, especially appropriate to calculate the influence of an increasing CO2 - concentration and a varying solar activity on global warming.

As the increasing levels of anthropogenic CO2 used for climate prediction are essentially predicated by the increase in economic activity world - wide and the effects thereof, has the IPCC's SRES model been adjusted in the light of the criticisms made by Castles and Henderson in 2002/3 and subsequently presented at the IPCC TGCIA meeting in Amsterdam, Jan 2003?

I suspect that there will be considerably more uncertainty attached to this activity than there was to the attribution of climate change to anthropogenic activity — in part because the only guides we really have are the models and paleoclimate studies, both of which are subject to significant uncertainties.

eg pg xii To improve our predictive capability, we need: • to understand better the various climate - related processes, particularly those associated with clouds, oceans and the carbon cycle • to improve the systematic observation of climate - related variables on a global basis, and further investigate changes which took place in the past • to develop improved models of the Earth's climate system • to increase support for national and international climate research activities, especially in developing countries • to facilitate international exchange of climate data

Whether there is a divide between weather and climate scientists out in the field, the meteorological society's official 2007 statement on climate change very clearly accepted that people are jogging the system: «[S] trong observational evidence and results from modeling studies indicate that, at least over the last 50 years, human activities are a major contributor to climate change.»

Future disruptions to fire activity will threaten ecosystems and human well - being throughout the world, yet there are few fire projections at global scales and almost none from a broad range of global climate models (GCMs).

Here's a link to the study, «Climate change and disruptions to global fire activity,» and click here for maps showing the projected shift in fire patterns and where the 16 models agree and disagree.

[1] Reconstructing solar activity variability beyond the time scale of actual measurements provides invaluable data for modeling of past and future climate change.

Data correlation and model simulations indicate that solar variability and volcanic activity are likely to be leading reasons for climate variations during the past millennium, before the start of the industrial era.

Thanks to a growing body of scientific evidence and improved computer models that can project climate changes more accurately and in much finer detail, each report has proclaimed with greater and greater certainty that human activity is the main cause of global warming.

Current climate change models can not reliably predict how seasonal thunderstorm activity will change in the future.