does EPW data support soil type

asked 2016-09-14 16:28:42 -0500

malfadil
41 ●1

updated 2017-05-29 17:38:42 -0500

Hi all, Energy plus whether data has soil temperatures in different depth (using Climate Consultant application) does anyone know if EPW data has the soil type for any location?

Thanks, MOF

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answered 2016-09-15 09:15:16 -0500

Aaron Boranian

13830 ●76 ●24 http://bigladdersoftware.com/

Are you referring to the Climate Consultant plot of soil temperatures in the screen shot below?

image description

These are "undisturbed" ground temperatures at different depths ie. as if the measurement was from an open field without any structures. As such, they should not be used as ground temperatures to interact with a building model. You can use a pre-processor tool like Kiva to generate proper ground temperature profiles.

The EPW file does not contain information for soil conductivity, density, etc. I don't know of a great resource to find these properties for any location. There is a nifty map-based interface for seeing survey results for soil properties in California here: http://casoilresource.lawr.ucdavis.ed...

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Thanks Aaroz Boranian, the ground temperature at different depths depends on soil type, properties, and the geographical location so the EPW file must mention the soil type at least.

Thanks agane for Kiva tool and the other information.