Sentences with phrase «for atmospheric change»

Isro will launch two satellites — one for atmospheric change and another to study the methane and carbon dioxide content in the atmosphere, crucial for climate change study by 2011, chairman G. Madhavan Nair said.

Not exact matches

Like a compass for an explorer or a weathervane for a farmer, poems advise of a change — he it a course correction or an atmospheric shift.

What current atmospheric carbon dioxide concentration tells us about the need to stabilise the global climate and the need for a step change in government, city and business action.

Whether or not farmers agree about the causes or even existence of climate change, researchers agree that farmers still have to prepare their farms for the consequences of rising temperatures, increased atmospheric CO2 and more extreme weather events.

«Volcanic aerosols in the stratosphere absorb infrared radiation, thereby heating up the stratosphere, and changing the wind conditions subsequently,» said Dr. Matthew Toohey, atmospheric scientist at GEOMAR Helmholtz Centre for Ocean Research Kiel.

No one knows for sure why the currents slowed, but Marcus and his colleagues note that it happened in lockstep with atmospheric changes.

The new hi - res composite images change that, suggesting instead that prominences could be one of the driving forces for the solar wind, since to create the smoke rings, and other patterns in the corona, they must be creating much larger atmospheric disturbances than previously thought, with a much longer range.

E. coli cells will be genetically engineered to change color in response to conditions under study: carbon dioxide levels, atmospheric pollutants and pathogens, for example.

In an article published Aug. 31 in Nature Climate Change, Lin and her coauthor Kerry Emanuel, a professor of atmospheric science at the Massachusetts Institute of Technology, examined potential storm hazards for three cities: Tampa, Fla.; Cairns, Australia; and Dubai, United Arab Emirates.

Black carbon aerosols — particles of carbon that rise into the atmosphere when biomass, agricultural waste, and fossil fuels are burned in an incomplete way — are important for understanding climate change, as they absorb sunlight, leading to higher atmospheric temperatures, and can also coat Arctic snow with a darker layer, reducing its reflectivity and leading to increased melting.

Then they had to account for changes in atmospheric clarity and eliminate the many flickering objects that were not supernovas.

Victor Smetacek, the German oceanographer who led the expedition along with Victor Wajih Naqvi, an Indian geochemist, says that result means that iron fertilization has a much lower sequestration potential for atmospheric CO2 and, thus, will play a smaller role in fighting climate change than previously expected.

Robert Watson, an atmospheric chemist at the University of East Anglia in the United Kindgdom, is being honored for his studies of the ozone hole and work toward an international agreement to ban the use of the chemicals causing ozone depletion; he later chaired the Intergovernmental Panel on Climate Change.

«As remarkable as it is that climate can change that quickly naturally, what is even more remarkable is that some of the rates of change we're experiencing today — increases in atmospheric carbon dioxide for example — are faster than anything we've been able to find in the past several million years of geologic history.

Storms also a question mark The attribution studies also looked into storms and rainfall extremes, but the complexity of atmospheric processes during such events made it difficult for scientists to decipher the role of climate change.

New measurements by NASA's Goddard Institute for Space Studies indicate that 2012 was the ninth warmest year since 1880, and that the past decade or so has seen some of the warmest years in the last 132 years.One way to illustrate changes in global atmospheric temperatures is by looking at how far temperatures stray from «normal», or a baseline.

For their scenario calculations, the AWI modellers plugged in atmospheric CO2 concentrations in excess of 500 ppm, a level in keeping with the forecasts released by the Intergovernmental Panel on Climate Change (IPCC).

The results suggest that the impact of sea ice seems critical for the Arctic surface temperature changes, but the temperature trend elsewhere seems rather due mainly to changes in ocean surface temperatures and atmospheric variability.

The model also accounted for natural drivers of change, including the direct influence of increased carbon dioxide on ocean - carbon uptake and the indirect effect that a changing climate has on the physical state of the ocean and its relationship to atmospheric carbon dioxide.

Even models that correctly capture cloud behavior may fail to fully account for other climate feedbacks from factors like changing snow and sea ice cover, atmospheric water vapor content, and temperature.

In the field of planetary and atmospheric sensing, linear arrays capable of simultaneously measuring height - resolved spectral features would have a major impact on issues such as climate change and ozone chemistry,» explains Peter de Maagt, ESA's project manager for Star Tiger.

Human - induced changes to Earth's carbon cycle — for example, rising atmospheric carbon dioxide and ocean acidification — have been observed for decades.

An elfish presence with a dried - apple - doll face and wild, tousled hair, he was already one of the great men of atmospheric - change research when he crossed the George Washington Bridge for dinner with John Allen at a Manhattan restaurant.

As for the paper's conclusion that removing atmospheric carbon is necessary in order to achieve the 2 ˚C target, climate scientist Richard Moss of the Pacific Northwest National Laboratory's Joint Global Change Research Institute in College Park, Maryland, says that's a nearly impossible goal «with what we know about today.»

The finding opens new avenues for predicting future trends in atmospheric nitrous oxide as well as in identifying climate change mitigation actions in the Arctic, a region that is particularly sensitive to climate change.

«We can also draw conclusions about past atmospheric circulation patterns, with implications for future climate changes.

The control variable shown for climate change is atmospheric CO2 concentration.

Kevin Trenberth, an atmospheric scientist at the National Center for Atmospheric Research in Colorado, gets asked the question so often about the connection between big rain events and climate change that he had this response via email: «Here we go again.»

For the study, Gentine and Lemordant took Earth system models with decoupled surface (vegetation physiology) and atmospheric (radiative) CO2 responses and used a multi-model statistical analysis from CMIP5, the most current set of coordinated climate model experiments set up as an international cooperation project for the International Panel on Climate ChanFor the study, Gentine and Lemordant took Earth system models with decoupled surface (vegetation physiology) and atmospheric (radiative) CO2 responses and used a multi-model statistical analysis from CMIP5, the most current set of coordinated climate model experiments set up as an international cooperation project for the International Panel on Climate Chanfor the International Panel on Climate Change.

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 problem.

A recent trend in GCMs is to extend them to become Earth system models, that include such things as submodels for atmospheric chemistry or a carbon cycle model to better predict changes in carbon dioxide concentrations resulting from changes in emissions.

Scientists are reluctant to directly link climate change with extreme weather events such as storms and drought, saying these fluctuate according to atmospheric conditions, but green groups link the two in their calls for action.

The atmospheric changes El Niño brings also mean more favorable winds for storm formation.

Combined with changes to storm tracks linked to atmospheric circulation changes, this can mean wetter winter weather for central Chile.

http://adsabs.harvard.edu/abs/1994JGR….9916913L «Concentration and 13C records of atmospheric methane in New Zealand and Antarctica: Evidence for changes in methane sources» Lowe et al 1994

Something that goes along with this change in atmospheric circulation is reduced sea ice in the region (while sea ice in Antarctica has been increasing on average, there have been significant declines off the West Antarctic coast for the last 25 years, and probably longer).

If we want to know why SST is changing at observed rates (long term), or why it takes so long for changes in atmospheric dynamics to register fully in the ocean, OHC is critical, but if we simply want to quantify the change, the direct measurements are more appropriate.

Sally, who was nominated by Dr. Beat Schmid, Associate Director, Atmospheric Sciences and Global Change Division, was honored for her exceptional contribution in the field of atmospheric science, particularly in her efforts to improve understanding of the radiative effect of clouds and aerosols on the Earth's atmosphere and their representation in climate models.

Because the new maps reveal microclimates and changes in the atmospheric water content over time, they may prove to be useful in the search for underground water.

For as much as atmospheric temperatures are rising, the amount of energy being absorbed by the planet is even more striking when one looks into the deep oceans and the change in the global heat content (Figure 4).

Three questions arise: (a) What was the reason for the change of atmospheric conditions on Mars?

He promoted the use of water stable isotopomers for reconstructing past climate changes from ice cores and with associated atmospheric modelling using both dynamically simple and General Circulation Models (GCMs).

For the hydrological modelling of the Thames river catchment done at CEH we showed that the changes in atmospheric circulation and precipitation caused higher peak 30 - day river flow, while flood risk mapping revealed a small increase in flood risk for properties in the Thames catchmeFor the hydrological modelling of the Thames river catchment done at CEH we showed that the changes in atmospheric circulation and precipitation caused higher peak 30 - day river flow, while flood risk mapping revealed a small increase in flood risk for properties in the Thames catchmefor properties in the Thames catchment.

In addition, he praised her leadership with the National Center for Atmospheric Research in advancing the Weather Research and Forecasting model for climate research, and in projects such as the North American Regional Climate Change Assessment Program, as demonstration of her prominence in the atmospheric and climate science community.

«One thing we can say for sure: We don't say «one can't attribute any single event to climate change» any more,» Adam Sobel, an atmospheric scientist who wasn't involved with the BAMS report, said in an email.

This information is vital for numerical models, and answers questions about how dynamic ice sheets are, and how responsive they are to changes in atmospheric and oceanic temperatures.

For example, changes in Earth's atmospheric composition (especially the concentrations of greenhouse gases) may alter the climate, while climate change itself can change the atmospheric composition (for example by changing the rate at which weathering removes COFor example, changes in Earth's atmospheric composition (especially the concentrations of greenhouse gases) may alter the climate, while climate change itself can change the atmospheric composition (for example by changing the rate at which weathering removes COfor example by changing the rate at which weathering removes CO2).

The top priorities should be reducing uncertainties in climate sensitivity, getting a better understanding of the effect of climate change on atmospheric circulation (critical for understanding of regional climate change, changes in extremes) and reducing uncertainties in radiative forcing — particularly those associated with aerosols.

The Gulf of Thailand changes from an atmospheric CO2 sink during the boreal winter to a CO2 source in summer due to higher water temperatures, while other sub-regions as well as the entire averaged Sunda Shelf act as a continuous source of CO2 for the atmosphere.

For my post-doctoral project, I decided to focus on the question, «to what extent can atmospheric pollutants, such as CO2 and ozone, exert a selective effect on woody plant species, and how are the resulting changes in the genetic composition of the plant community likely to affect the animals that feed on them?»