- Other areas experience a semidiurnal tide with two high tides and two low tides each day. When the water levels of the two high tides and of the two low tides are unequal, the tidal pattern is called a semidiurnal mixed tide that indicates the presence of combined diurnal and semidiurnal tides.
A paper town is a fake town created by map makers created to protect their copyright, says John Green. Map makers put fake streets, fake towns, and fake bridges in their maps, so if they see those same fake places on someone else's map, they'll know that they've been robbed, he explains.
town - an urban area with a fixed boundary that is smaller than a city; they drive through town on their way to work. ward - a district into which a city or town is divided for the purpose of administration and elections. populated area, urban area - a geographical area constituting a city or town.