Designed to profile the temperature and salinity of ocean water, these buoys are scattered around the Earth's oceans, covering nearly three - quarters of the globe. (thenewamerican.com)
The current is driven by differences in the temperature and salinity of ocean water (for a more thorough explanation, see here). (washingtonpost.com)
Also, that does not address the fact that you would need 5 times the water on the planet to flood thae earth to the level the myth says, Noah could not have built a watyer tight craft using the stone tools he would have had at that time, the salinity of the oceans would change enough to kill all life in the oceans, so that would end the food chains, ending all life for a very long time. (religion.blogs.cnn.com)