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Temperatura do céu

English translation: Open air temperature

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11:05 Aug 13, 2000
Portuguese to English translations [PRO]
Science
Portuguese term or phrase: Temperatura do céu
I asked about this yesterday and someone proposed 'ambient' temperature, but i believe it's 'atmospheric temperature'. However, I need to know if there is a distinction made between 'air temperature' and 'amtospheric temperature' as both are referred to in the same sentence. The context is external climatic variables. In other ways, in what different ways is 'outside' temperature measured?
amjm
English translation:Open air temperature
Explanation:
It is called open air temperature. Atmodpheric temperaure is different from open air temperaure. For example, in a laboratory atmospheirc temperature is the temperature of the air surrounding the area of the laboratory, inside it. But open ar temperature is the temperature which is the temperature in the open sky, without any covering. Stll better, the atmospheric temperature in a romm could be 25 degress C, but the open air temperature could be 26 degress C. So, in your case it is the open air temperaure ( temperatura do ceu).
Selected response from:

Telesforo Fernandez
Local time: 11:03
Grading comment
I'm still not conviced but will check against the sentence. Thanks anyhow
2 KudoZ points were awarded for this answer

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Summary of answers provided
naOpen air temperatureTelesforo Fernandez
na>> see below...! <<Heathcliff
naatmospheric temperaturePorcelain


  

Answers


1 hr
atmospheric temperature


Explanation:
Penso que seja o mais correcto.
"Air temperature" seria a temperatura do ar, claro que a tradução à letra de "temperatura do céu" seria "sky temperature" o que me parece ser um termo improvável.
Aqui penso referir-se ao conjunto atmosférico.
Boa sorte.

Porcelain
PRO pts in pair: 2

Peer comments on this answer (and responses from the answerer)
Heathcliff
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5 hrs
>> see below...! <<


Explanation:
AIR TEMPERATURE: In meteorology, it's the "temperature of the atmosphere which represents the average kinetic energy of the molecular motion IN A SMALL REGION, and is defined in terms of a standard or calibrated thermometer that is in thermal equilibrium with the air." In other words, you let your thermometer "relax" and then use it to measure the heat or cold in a small area. (The term also refers to the presumptive temperature of the air outside the cockpit of an aircraft in flight, but that's not applicable here.)
(definition from the McGraw-Hill Dictionary of Scientific and Technical Terms (5th ed., 1994))

ATMOSPHERIC TEMPERATURE: After reviewing half a dozen web sites, I have to conclude that "atmospheric temperature" refers to air temperature as measured over a far, far wider (and deeper) area - on the order of tens of kilometers -- and relates much more to GLOBAL AND SOLAR PHYSICS than to local weather, and uses devices such as high-spectral-resolution lidar (HSRL) and laser infrared radar (lidar) instead of mere thermometers.

Excerpts:
Atmospheric Temperature Structure: "In the optically thick region of the atmosphere (i.e., at low altitudes), the equilibrium temperature is simply the one for which the atmosphere is in thermodynamic equilibrium with the incident solar flux…" (www.treasure-troves.com/astro/AtmosphericTemperatureStructu...

"Holes in sun's corona linked to atmospheric temperature changes on earth:" "An unusual interdisciplinary study by astronomers and climatologists has found a striking correlation between holes in the outermost layer of the sun (the corona) and the globally averaged temperature of the Earth, suggesting that the Earth's atmospheric temperature may be strongly linked to solar magnetism changes over months or years…" (www.sciencedaily.com/releases/2000/03/000315080417.htm, quoting a study at Long Island University, New York (http://www.liu.edu))

"Vertical atmospheric temperature profiles [were retrieved] from emitted thermal radiation measured by a downward-looking radiometer. The radiometer, carried by an aircraft or Earth orbiting spacecraft, measures the radiation intensities in a number of spectral bands…" (www.phy.hw.ac.uk/resources/demos/retrieve/retrieve.html)

"The capability to measure the temperature would eliminate the possible errors due to the difference between the radiosonde reading and the current temperature over the lidar site. Kalshoven used 2 laser wavelengths and beta-absorption lines to measure atmospheric temperature up to 1 km altitude with 1°C accuracy… Keckhut used Rayleigh scattering lidar to measure atmospheric temperature for altitudes of 30 to 70 km… The latest measurements by Alvarez have shown that only a 10°C accuracy is achieved for profiles up to 5 km… The profile measured by the University of Wisconsin was calculated by averaging the signal over a 300 km range with 1 km steps." (lidar.ssec.wisc.edu/papers/pp_thes/node22.htm)

If you need more data (and if your eyes haven't yet glazed over), here are a few more sites:
www-star.stanford.edu/projects/mgs/tps-public.html
www.phy.hw.ac.uk/resources/demos/retrieve/retrieve.html
cdiac.esd.ornl.gov/trends/temp/contents.htm
www.eumetsat.de/en/area2/cgms/ap8-05.htm


Heathcliff
United States
Local time: 22:33
Native speaker of: Native in EnglishEnglish
PRO pts in pair: 231
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16 hrs
Open air temperature


Explanation:
It is called open air temperature. Atmodpheric temperaure is different from open air temperaure. For example, in a laboratory atmospheirc temperature is the temperature of the air surrounding the area of the laboratory, inside it. But open ar temperature is the temperature which is the temperature in the open sky, without any covering. Stll better, the atmospheric temperature in a romm could be 25 degress C, but the open air temperature could be 26 degress C. So, in your case it is the open air temperaure ( temperatura do ceu).

Telesforo Fernandez
Local time: 11:03
PRO pts in pair: 128
Grading comment
I'm still not conviced but will check against the sentence. Thanks anyhow

Peer comments on this answer (and responses from the answerer)
Heathcliff
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