Sentences with phrase «atmospheric temperature using»

Further, the temperature calculations are independently confirmed by four different sets of weather balloons that measure atmospheric temperatures using thermometers.

PRESS RELEASE Comment on «Examination of space - based bulk atmospheric temperatures used in climate research» by Christy et al. (2018) Research Report by James P. Wallace III, Joseph S. D'Aleo, & Craig D. Idso Third Edition, May, 2018

Examination of space - based bulk atmospheric temperatures used in climate research The Intergovernmental Panel on Climate Change Assessment Report 5 (IPCC AR5, 2013) discussed bulk atmospheric temperatures as indicators of climate variability and change.

Not exact matches

More complicated feedback - response models that use a lumped feedback parameter suggest that the same doubling could cause average atmospheric temperatures to rise by less than 2 F °.

To determine whether declining pollutants deserve credit for the recovery, the researchers used a 3D atmospheric model to separate the effects of the chemicals from those of weather, which can affect ozone loss through winds and temperature, and volcanic eruptions, which deplete ozone by pumping sulfate particles into the upper atmosphere.

Since climate in a specific region is affected by the rest of Earth, atmospheric conditions such as temperature and moisture at the region's boundary are estimated by using other sources such as GCMs or reanalysis data.

«We [have] figured out a way just using a glass of water at room temperature, under atmospheric pressure,» Nocera says.

Now a group of American and British scientists have used a new chemical technique to measure the change in terrestrial temperature associated with this shift in global atmospheric CO2 concentrations.

Warmer temperatures could extend the growing season in northern latitudes, and an increase in atmospheric carbon dioxide could improve the water use efficiency of some crops.

The measurement method using the harmonic interferometer that we have developed does not depend upon gas composition used when plasma is produced, as compared to other electron density diagnostic methods for atmospheric pressure low - temperature plasma.

Photosynthesis — the process green plants use to convert energy from the sun that plants use to grow — from tropical forests, plays a huge role in determining global atmospheric CO2 concentration, which is closely linked the global temperature and rate of climate change.

Using this method that has been developed by high - temperature plasma diagnostics, as shown in Image 2, we have succeeded in greatly reducing the influence of atmospheric pressure (gas), which was a problem in high - accuracy measurement of atmospheric pressure low - temperature plasma.

The cooler - than - usual temperatures are represented by the big blue blob on the world map below (that's Florida peeking out at the lower right of the blob), provided by atmospheric scientist Jennifer Francis of Rutgers University, New Brunswick, using NOAA data.

The second simulation overlaid that same weather data with a «pseudo global warming» technique using an accepted scenario that assumes a 2 - to 3 - degree increase in average temperature, and a doubling of atmospheric carbon dioxide.

Scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and NASA are using X-rays to explore, via 3 - D visualizations, how the microscopic structures of spacecraft heat shield and parachute materials survive extreme temperatures and pressures, including simulated atmospheric entry conditions on Mars.

«In our study we used satellite data for sea ice and sea surface temperatures to run some coordinated hindcast experiments with five different atmospheric models,» Ogawa says.

Bringing together observed and simulated measurements on ocean temperatures, atmospheric pressure, water soil and wildfire occurrences, the researchers have a powerful tool in their hands, which they are willing to test in other regions of the world: «Using the same climate model configuration, we will also study the soil water and fire risk predictability in other parts of our world, such as the Mediterranean, Australia or parts of Asia,» concludes Timmermann.

This comparative analysis of the atmospheric and ground - level temperature readings allowed Kalnay and Cai to isolate the warming effects of agricultural land - use changes and urban sprawl.

When it comes to climate change science, researchers typically use atmospheric carbon dioxide levels from the late 19th century as a guideline, because that's when instrumentation was developed to accurately measure temperatures.

Other studies which have assessed the importance of the Montreal Protocol have used models to predict atmospheric winds and temperatures and have looked a few decades into the future.

They have also developed a technique for using Q - carbon to make diamond - related structures at room temperature and at ambient atmospheric pressure in air.

It concluded that atmospheric carbon dioxide concentrations had already increased by about 25 percent in the past century, and continued use of fossil fuels would lead to substantial temperature increases in the future.

By showing that (a) there are no common physical laws between the warming phenomenon in glass houses and the fictitious atmospheric greenhouse effects, (b) there are no calculations to determine an average surface temperature of a planet, (c) the frequently mentioned difference of 33 C is a meaningless number calculated wrongly, (d) the formulas of cavity radiation are used inappropriately, (e) the assumption of a radiative balance is unphysical, (f) thermal conductivity and friction must not be set to zero, the atmospheric greenhouse conjecture is falsified

This was accomplished using a stochastic climate model based on the concept that ocean temperature variability is a slow dynamical system, a red noise signal, generated by integrating stochastic atmospheric forcing, or white noise71.

In this work, using a simple time - dependent 1D model, we demonstrate that radiative cloud feedback can drive spontaneous atmospheric variabilities in both temperature and cloud structures under conditions appropriate for brown dwarfs and directly imaged EGPs.

Unlike Earth or Mars, Pluto has no satellites or ground stations, so the types of data that are used by normal weather and climate people (air pressure, temperature, atmospheric composition, etc.) are not available for Pluto.

A total of 15 different satellites have been used to measure atmospheric temperatures since 1979, with around two satellites actively measuring at any given time.

While the new research didn't answer what led to the particular atmospheric patterns associated with extreme temperatures, Horton hopes that they can use the same approach from the study to try to figure that out.

The definition uses atmospheric databases called HITRAN (high - resolution transmission molecular absorption) and HITEMP (high - temperature spectroscopic absorption parameters) that characterize planetary atmospheres in light of how both carbon dioxide and water are absorbed.

© American Scientist (Artwork by Linda Huff for Martin et al, 1997; used with permission) Although brown dwarfs lack sufficient mass (at least 75 Jupiters) to ignite core hydrogen fusion, the smallest true stars (red dwarfs) can have such cool atmospheric temperatures (below 4,000 ° K) that it is difficult to distinguish them from brown dwarfs.

Global positioning satellites (GPS); remote sensing for water, minerals, and crop and land management; weather satellites, arms treaty verifications; high - temperature, light - weight materials; revolutionary medical procedures and equipment; pagers, beepers, and television and internet to remote areas of the world; geographic information systems (GIS) and algorithms used to handle huge, complex data sets; physiologic monitoring and miniaturization; atmospheric and ecological monitoring; and insight into our planet's geological history and future — the list goes on and on.

The catalog is based on a compilation of literature values for atmospheric properties (temperature, surface gravity, and metallicity) derived from different observational techniques (photometry, spectroscopy, as... ▽ More We present revised properties for 196,468 stars observed by the NASA Kepler Mission and used in the analysis of Quarter 1 - 16 (Q1 - Q16) data to detect and characterize transiting exoplanets.

This method tries to maximize using pure observations to find the temperature change and the forcing (you might need a model to constrain some of the forcings, but there's a lot of uncertainty about how the surface and atmospheric albedo changed during glacial times... a lot of studies only look at dust and not other aerosols, there is a lot of uncertainty about vegetation change, etc).

The 6-fold increase in hydrocarbon use since 1940 has had no noticeable effect on atmospheric temperature...» -LRB-

We use measured global temperature and Earth's measured energy imbalance to determine the atmospheric CO2 level required to stabilize climate at today's global temperature, which is near the upper end of the global temperature range in the current interglacial period (the Holocene).

Using sophisticated software, the students collect and examine data on the weather — temperature, barometric pressure, and atmospheric chemistry — and are able to display and view the information in color - coded maps and graphs that aid in understanding.

Our work is a «downscaling» study, in which we first simulate past hurricane seasons, using as input observed sea surface temperatures (SSTs), the observed state of the atmosphere at the boundaries of our Atlantic domain, as well as the largest scales in the atmospheric flow over the Atlantic.

By showing that (a) there are no common physical laws between the warming phenomenon in glass houses and the fictitious atmospheric greenhouse effects, (b) there are no calculations to determine an average surface temperature of a planet, (c) the frequently mentioned difference of 33 C is a meaningless number calculated wrongly, (d) the formulas of cavity radiation are used inappropriately, (e) the assumption of a radiative balance is unphysical, (f) thermal conductivity and friction must not be set to zero, the atmospheric greenhouse conjecture is falsified

GCM results are used: «The large - scale thermodynamic boundary conditions for the experiments — atmospheric temperature and moisture profiles and SSTs — are derived from nine different Coupled Model Intercomparison Project (CMIP2 +) climate models.»

Here I'm going to examine some graphs that Lord Monckton commonly uses to show that the IPCC has incorrectly predicted the recent evolution of global atmospheric CO2 concentration and mean temperature.

The approximately 20 - year lag (between atmospheric CO2 concentration change and reaching equilibrium temperature) is an emerging property (just like sensitivity) of the global climate system in the GCM models used in the paper I linked to above, if I understood it correctly.

Can you relate that to works like «Effect of CO2 line width on 15 μm atmospheric emission», B. Kivel et al. (1976), which use the emission from CO2 to explore the Troposphere temperature?

For hurricanes, then, you'd want to ask what the sea surface temperature, subsurface ocean heat content, and atmospheric water vapor content would have been if, say, fossil fuel use had been eliminated 100 years ago, and atmospheric CO2 remained at about 300 ppm.

With respect to your statement that «No one calculates the surface temperature (which is well observed) using the atmospheric heat content».

But your papers claim of a «bias» in the surface temperature record * if * it is used as a linear predictor of atmospheric heat content only makes sense * if * indeed people had used it in that sense.

Now that I have answered your challenge to the question in your original post, you have changed the question to «'' No one calculates the surface temperature (which is well observed) using the atmospheric heat content».

The quote from the NRC report is, frankly, a little odd, since it is bizarre that anyone would attempt to calculate the surface temperature (which is well observed) using the atmospheric heat content and climate sensitivity (which are not).

It has a miscule effect and was used by realclimate as a get out of jail clause because they knew the oceans dominate atmospheric global temperatures.

The authors conclude that minimum temperatures should no longer be used as a proxy for global atmospheric warming.

«Using data series on atmospheric carbon dioxide and global temperatures we investigate the phase relation (leads / lags) between these for the period January 1980 to December 2011.