Assertion: wave's direction | /r/HasProperty | horizontal
Facets:
Source sentences:
text: It is important to note that as a water wave travels in a horizontal direction the floater just goes up and down vertically.
text: The waves propagate in the horizontal direction, with coordinate x, and a fluid domain bound above by a free surface at z = η(x,t), with z the vertical coordinate (positive in the upward direction) and t being time.