Atmospheric Ozone Concentrations (1 Viewer)

[Paroissien]

How is this determined?

 

[bloodysunday]

Ground based units are uv spectrophotometers pointing up vertically through the atmosphere. Satelites are the main monitors though, getting a reading as a function of altitude and geographic position. It's measured in dobson units, and average is about 300 DU

 

[Doogsy]

uv photospectrometers.
they are gound based instruments which measure the intensity of light in a wavelength which ozone absorbs, and then the intensity of light either side of this which ozone doesnt absorb. This will give a reading of the ozone concentration at that particular verticle area.
TOMS (total ozone mapping spectrophotometer) is also used in sattelities to give a reading of ozone in proportion to altitude and location.

 

[bloodysunday]

hey thats how they said it in my textbook, can't blame me

 

[Doogsy]

lol, urs is right too, mine is a little more detailed, i assume we got it form conq cause i remeber "getting a reading as a function of altitude and geographic position" those exact words
They can also be used on balloons rather than satelittes too