"micron" to kg/m^2 conversion

Hi all,

I've recently interacted with Astronomers regarding precipitable water
vapour content in the atmosphere. They seem to measure the PWV in
microns, while meteo people appear to be using kg/m^2. Does anybody
know how to convert between the two? A cursory google search yielded
absolutely nothing.

Thanks!

- Balt

.

Relevant Pages

  • Re: "micron" to kg/m^2 conversion
    ... They seem to measure the PWV in ... while meteo people appear to be using kg/m^2. ... If you pour one kilogram of water on a square feet of ground, you obtain a layer of water of 1 mm of height, i.e. 1000 microns. ...
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  • Re: "micron" to kg/m^2 conversion
    ... specifications of the satellite instrument used to measure PWV, ... Units of microns just lead to large numbers. ... what made you say that astronomers measure PWV in microns. ... that laser is used to rectify images taken in interferometetry -or ...
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    ... and sub mm wavelengths as it is the major source of background radiation ... Some observations are done with high altitude balloons where the PWV is ... including Antarctica where it makes sense to use microns and allow direct ... "astronomers seem to measure the PWV in microns." ...
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    ... Because this discussion seems to be headed on a tangent that I don't think is correct, I want to chime in to say that I think Greg Campbell is at least much closer to the correct answer for this. ... But I agree with Greg that it is more likely to see microns as part of the specifications of the satellite instrument used to measure PWV, in terms of the wavelength of radiation used to detect it. ... PWV is sometimes described in terms similar to what Yves Pointin has been describing, but mm, cm, or inches are more useful units for this. ...
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