subsurface

As nouns the difference between subsurface and fragipan

is that subsurface is something that is below the layer that is on the surface while fragipan is a diagnostic soil horizon of the usda soil taxonomy, an altered subsurface soil layer that restricts water flow and root penetration.

As an adjective subsurface

is below the surface.

As nouns the difference between subsurface and duripan

is that subsurface is something that is below the layer that is on the surface while duripan is a diagnostic soil horizon of the usda soil taxonomy that is cemented by illuvial silica into a subsurface hardpan.

As an adjective subsurface

is below the surface.

As nouns the difference between subsurface and geofluid

is that subsurface is something that is below the layer that is on the surface while geofluid is (geology) any subsurface fluid, such as groundwater, geothermal fluids, basinal brines, petroleum or magmatic fluid.

As an adjective subsurface

is below the surface.