Archive for September, 2016

What is coral spawning?

This item was filled under Basics, Ecosystems, Facts, Ocean Life


Once a year, on cues from the lunar cycle and the water temperature, entire colonies of coral reefs simultaneously release their tiny eggs and sperm, called gametes, into the ocean. The phenomenon brings to mind an underwater blizzard with billions of colorful flakes cascading in white, yellow, red, and orange.

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Why do scientists measure sea surface temperature?

This item was filled under Basics, Economy, Facts, Ocean Observations, Ocean Science


Sea surface temperature provides fundamental information on the global climate system. Because the ocean covers 71 percent of Earth's surface, scientists record sea surface temperature (SST) to understand how the ocean communicates with Earth's atmosphere. SST provides fundamental information on the global climate system. SST is an essential parameter in weather prediction and atmospheric model simulations, and is also important for the study of marine ecosystems.

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High Tide Bulletin: Fall 2016

This item was filled under News


The rising and falling of the sea is a phenomenon upon which we can always depend. Tides are the regular rise and fall of the sea surface caused by the gravitational pull of the moon and sun and their position relative to the earth. There are some factors we can predict that cause the tides to be higher or lower than what is "normally" seen from day to day. This bulletin tells you when you may experience higher than normal high tides for September, October and November 2016.

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Highest Water Levels During Hurricane Hermine

This item was filled under News


NOAA's Center for Operational Oceanographic Products and Services maintains a permanent observing system that includes 210 continuously operating water level stations throughout the U.S. and its territories. These water level stations provide real-time oceanographic and meteorological observations, which are critical data for communities, particularly during storms impacting the coast.

This graphic depicts highest water levels along the coast throughout the duration of this storm. Highest water levels are measured in feet above Mean Higher High Water (MHHW). MHHW is defined as the average daily highest tide. Inundation typically begins when water levels exceed MHHW.

The values depicted on this graphic are based on preliminary observed water levels from NOAA and partner tide stations.

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