Show TIDAL WAVES the force M alch start tl dan error hinnir oin nir of water the ocean tidal ale sometimes ballod the e ie formed by the union of anies produced by the combined attractions ot the sun aud the moon ibis wave in its most dan vigorous form sweeps over in the open aea and in its ardi nary course produces the udee proper here the outline of the land as la the of I 1 and the bristol chan nel compresses the tone of its flood with narrow estuaries it also gives ariae to tidal waves which are termed derli arlve and are aleo known colloquial ly as boree or dagres earthquakes are also a cause of tidal flaves of two aorta one la due to which occur on land and cause a retreat and reflux of the sea within the beual tl lal limits but where an carth quiLe scalea the sea bed dome of water rises over the center of the disturbance and draws the surrounding water into the vortex beneath it this dome sub eldes it sends an immense rolling mass swing ing across the ocean which creates most formidable tidal wave |