What are tides? Where can I get tide predictions and other tide-related measurements?
Tides are rhythmic variations in vertical water level and in horizontal water motions (tidal currents) caused by the gravitational pull of the moon and sun acting on the mass of water in the ocean basins. To obtain tide predictions and other information about tides, contact the NOAA/National Ocean Service Ocean and Lake Levels Division. • How do I prepare for a career in oceanography? I think I would like to work with marine mammals. Are there special requirements for this type of work? Also, how do I get a job with NOAA? Oceanographers study the ocean, but just as there are many specialties in medicine or music, so are there many types of oceanographers. Some study the physical conditions of the oceans by looking at temperature, salinity, density, and currents. Others examine the types of animal life or the interaction between animals and the nutrients found in the ocean. Marine geologists and geophysicists study the earth under or around the ocean. A number of Web sites are good sour
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- What are tides? Where can I get tide predictions and other tide-related measurements?
