Sentences with phrase «using weather balloons»

Because the satellite data measure an average temperature through a depth of several kilometres in the atmosphere, they would be expected to compare better with upper - air measurements taken using weather balloons and radiosondes than they would with measurements at the surface.
Therefore we reasoned that, by studying the experimental temperature profiles (e.g., using weather balloons), we could quantify the magnitude of the greenhouse effect for each profile at all altitudes, by subtracting the parts of the temperature profile that could be explained in terms of the thermodynamic properties of the bulk gases (i.e., nitrogen & oxygen).
A team from Fukushima University recently mapped radiation levels at 370 spots in the prefecture and, using weather balloons, confirmed that atmospheric radiation levels have dropped to near background levels.
My understanding from direct talks with Ferenc and his collaborators is that he used weather balloons to calculate the clear - sky total infra - red optical opacity.
Ferenc Miskolczi used the weather balloon database going back to 1948 and discovered that the infrared transmittance of the atmosphere had been constant for 61 years.

Not exact matches

Using satellites, ground - based instruments, and ozone - measuring weather balloons, they showed that since 2000, the September hole shrunk by 4 million square kilometers — an area bigger than India.
On 19 April, Giles Harrison at the University of Reading in the UK and colleagues used detectors aboard a weather balloon to measure the charge in the ash cloud over Scotland.
He said that using tools like weather balloons, airplane - mounted instruments and laser radar, scientists can test their simulations.
The M.I.T. and Georgia Tech teams proved most successful in using social networks to pinpoint the locations of 10 red weather balloons scattered throughout the U.S.
«Using more recent data and better analysis methods we have been able to re-examine the global weather balloon network, known as radiosondes, and have found clear indications of warming in the upper troposphere,» said lead author ARC Centre of Excellence for Climate System Science Chief Investigator Prof Steve Sherwood.
Manuel Cebrian, a computational social scientist now based at the Commonwealth Scientific and Industrial Research Organization in Clayton, Australia, won that challenge with his colleagues by using social media to hunt down 10 red weather balloons released across the United States.
Earlier in the week, we flew these bubble chambers to the Arctic stratosphere using a space weather balloon.
This involves a combination of satellite observations (when different satellites captured temperatures in both morning and evening), the use of climate models to estimate how temperatures change in the atmosphere over the course of the day, and using reanalysis data that incorporates readings from surface observations, weather balloons and other instruments.
Site operators use the automated balloon - borne sounding system, or SONDE, to launch weather balloons twice a day at the North Slope of Alaska site.
A weather chart and other useful links I use during the day with Reception and year 1 children (I have included balloon popping from fiery ideas and special events box for writing childrens birthdays etc..
An everyday weather chart and other useful links I use during the day with kindergarten children (I have included balloon popping from fiery ideas and special events box for writing childrens birthdays etc..
A weather chart and other useful links I use during the day with Reception and year 1 children (I have included balloon popping from fiery ideas an...
While initiatives are still at work to increase global access to internet connection — such as programs like Google's Project Loon that literally plans to use high - altitude weather balloons floating over various regions around the world to provide internet access to places that otherwise wouldn't have it for decades — there's no point in having internet access if you can't afford a device to connect.
The researchers compared predictions of 22 widely used climate «models» — elaborate schematics that try to forecast how the global weather system will behave — with actual readings gathered by surface stations, weather balloons and orbiting satellites over the past three decades.
None of these reanalyses directly use the surface temperature data so their returned surface estimate is a combination of a state of the art data assimilation scheme and much of the rest of the surface observing system (satellites, weather balloons, surface pressure, sea surface temperatures, etc.).
But Miskolczi was able to show, using NOAA database of weather balloon observations that goes back to 1948, that atmospheric absorption IR radiation has been constant for the last 61 years.
But, using data from weather balloons accumulated over 35 years, these researchers find this is not so.
Using NOAA database of weather balloon observations Miskolczi was able to demonstrate that the IR transmittance of the atmosphere did not change for 61 years while carbon dioxide percentage increased by 21.6 percent.
Using NOAA database of weather balloon observations that goes back to 1948 he studied the absorption of infrared radiation by the atmosphere over time.
He used NOAA weather balloon database that goes back to 1948 to study the absorption of infrared radiation by the atmosphere over time.
Further, the temperature calculations are independently confirmed by four different sets of weather balloons that measure atmospheric temperatures using thermometers.
In 2010 Miskolczi used NOAA database of weather balloon observations to study absorption of infrared radiation by the atmosphere.
Measurements by weather balloons, the main method used to measure temperatures at the time, only test a small sliver of the atmosphere and are far from comprehensive.
It also considers the use of weather balloons to provide a wealth of upper atmosphere data.
They are most commonly used by being lifted up through the atmosphere by a weather balloon — data sets compiled from parts of this data are often referred to as the «Balloon Record&balloon — data sets compiled from parts of this data are often referred to as the «Balloon Record&Balloon Record».
To calculate the molar densities from the weather balloon measurements, we converted all of the pressures and temperatures into units of Pa and K, and then determined the values at each pressure using D = n / V =P / RT, where R is the ideal gas constant (8.314 J / K / mol)
For the measurements of each weather balloon, we calculated the best linear fit for each of the regions (using a statistical technique known as «ordinary least squares linear regression»).
For two of our papers, we analysed the temperatures at different heights in the atmosphere using measurements from weather balloons, similar to this one.
Evidence for changes in the climate system abounds, from the top of the atmosphere to the depths of the oceans (Figure 2.1).1 Scientists and engineers from around the world have compiled this evidence using satellites, weather balloons, thermometers at surface stations, and many other types of observing systems that monitor the Earth's weather and climate.
Site operators use the balloon - borne sounding system, or SONDE, to launch weather balloons twice a day at the site.
These include measurements taken from land - based temperature stations (mostly using mercury thermometers), ocean buoys, ships, satellites, and weather balloons.
Data often cited by the anti forces generally turn out to be either statistical extrapolation, or they are using data that has been proven wrong (one weather monitoring station on a balloon was found to be too high in the atmosphere, giving cooler results then expected, same with a monitoring station in the ocean that was too deep).
Using NOAA weather balloon database that goes back to 1948 he studied the absorption of infrared radiation by the atmosphere over time.
First, they chop up the atmosphere into byte - sized chunks based on input from things like weather balloons and orbiting satellites, and then they run a whole series of mathematical equations to figure out the most likely future state of weather patterns — a process that's hugely computer intensive — indeed, some of the world's most powerful computers are used to forecast the weather.
Using NOAA database of weather balloon observations that goes back to 1948 he studied the infrared absorption of the atmosphere over time.
While the satellite dataset has its strengths, unlike thermometers and temperature probes used on weather balloons the Microwave Sounding Units were new, largely untested tools when they were put into space.
Average of the IPCC computer model projections for the tropical mid-troposphere versus three standard sets of observations: weather balloons, temperature sensed from satellites, and «reanalysis» data used to initialize the daily weather map.
Steve Sherwood, chief investigator for the ARC Centre of Excellence for Climate System Science and lead author for the study, explained that he and his colleague Nidhi Nishant used improved methods of analysis and more recent data to reexamine radiosondes, or the global weather balloon network.
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