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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 > Geology 
abyssal plain
Earth science; Geology
Large area of extremely flat ocean floor lying near a continent and generally over 4 km in depth.
bankfull
Earth science; Geology
The maximum amount of water that a channel can carry is when the river reaches the very top of the banks. Over bankfull and the river will flood.
cuspate
Earth science; Geology
Form of beach shoreline involving sharp seaward- pointing cusps (normally at regular intervals) between which the shoreline follows a smooth arc.
agglutinate
Earth science; Geology
A pyroclastic deposit consisting of an accumulation of originally plastic ejecta and formed by the coherence of the fragments upon solidification.
astronomical tide
Earth science; Geology
The tidal levels and character which would result from gravitational effects, e.g. of the Earth, Sun and Moon, without any atmospheric influences.
beach depletion
Earth science; Geology
Where a beach is losing material due to the action of longshore drift or humans erecting sea defenses or removing material for industrial reasons.
composite volcano
Earth science; Geology
A volcano that is constructed of alternating layers of lava and pyroclastic deposits, along with abundant dikes and sills. Also, a composite cone.
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)