[EnergyPlus_Support] How is Ground defined in EnergyPlus?

["hope.zh@xxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx>]

We can specify monthly average temperature for the "ground" in EnergyPlus.

But how is this affect the simulation, especially those surfaces touching the ground surface or near it?

I mean we don't need to literally model the ground surface in EnergyPlus, but how dose it affect the thermal environment, such as reflecting solar radiation to building surfaces, radiating heat towards building surfaces when the ground is heated up? 

BTW, is there a ground reflection parameter we can adjust in EnergyPlus?

Thank you very much in advance!

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Posted by: hope.zh@xxxxxxxxx

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