Examples of prograde and retrograde density fronts. In the prograde front the bottom slope and the slope of the front are of the same sign, in the retrograde front they have the opposite sign.
© 1996 M. Tomczak
contact address:
Examples of prograde and retrograde density
fronts. In the prograde front the bottom slope and the
slope of the front are of the same sign, in the
retrograde front they have the opposite sign.