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Coverting Latent Heat of Evaporation to mm of water evaporated

Coverting Latent Heat of Evaporation to mm of water evaporated

(OP)
Hi

I am trying to understand a paper on the evaporation of water from bare soil. They have graphs of net radiation on the earth surface, latent heat of evaporation and soil heat flux. Below this is a graph comparing A Pan evaporation to Energy Balance evapotranspiration in cumulative mm of water lost.

My question is how do you get from Latent Heat of Evaporation to mm of water lost?

The total latent heat of evaporation over the day is 11.32MJ/m^2.

Regards  

RE: Coverting Latent Heat of Evaporation to mm of water evaporated

Google/Wikipedia says latent heat of fusion for water is 2260 kJ/kg

Since water has a density of 1000 kg/cubic meter,
LHF can also be expressed as 2260 MJ/cubic meter

A mm is 1/1000 depth of that CM, so LHF is 2.26 MJ per mm per m^2

11.32 MJ/m^2 should vaporize 5 mm

 

RE: Coverting Latent Heat of Evaporation to mm of water evaporated

(OP)
Thanks a lot!

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