What is atmospheric watervapour content and how can I find it for a particular landsat 8 data?

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Attaullah Khan

check this for specific humidity

http://gdata1.sci.gsfc.nasa.gov/daac-bin/G3/gui.cgi?instance_id=MERRA_MONTH_ANA

Marjolaine Chiriaco

it's the total amount of water vapor from ground to the top of the atmosphere, in acolumn of section 1m2. it's measured in kg/m3.

Asfa Siddiqui

You will not get the water vapor content directly........

As far as I understand you need the water vapor content of the place and not Landsat 8 for calculation of LST/LSE