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Earth science
Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.
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Earth science > Oceanography 
great circle
Earth science; Oceanography
An imaginary circle drawn on the Earth's surface that has its center synchronize to the center of the planet. The equator is a great circle.
iceberg
Earth science; Oceanography
A large floating block of freshwater ice that has broken off the edge of a glacier and been carried out to sea; about 90% of its mass lies under the water.
nautical mile
Earth science; Oceanography
A unit of length used in sea and air navigation, based on the length of one minute of latitude at the Equator. It is approximately 1/8th longer than the statute mile.
bay-mouth bar
Earth science; Oceanography
A narrow deposit of sand and/or gravel found across the mouth of a bay.
neap tide
Earth science; Oceanography
A tide of decreased amplitude, occurring semimonthly one or two days after quadrature .
harmonic
Earth science; Oceanography
1. An integral multiple or submultiple of a given frequency; a sinusoidal component of a periodic wave. 2. A signal having a frequency that is a harmonic (sense 1) of the ...
turbidity
Earth science; Oceanography
A unit of measurement which indicates the amount of solids in the water by quantifying the degree to which light travelling through a water column is scattered by the suspended ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)