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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 > Physical oceanography 
irrotational
Earth science; Physical oceanography
In geophysical fluid dynamics this refers to fluid motion in which there is no vorticity.
isentropic coordinates
Earth science; Physical oceanography
The replacement of the z coordinate in an x-y-z coordinate system with the potential temperature. This can be done when horizontal scales are large compared to vertical scales, ...
isallobaric wind
Earth science; Physical oceanography
A theoretical wind component originating from the spatial non-uniformity of local rates of change of pressure.
isallobar
Earth science; Physical oceanography
A contour line on a weather map that signifies the location of equal changes of pressure over a specified period.
isopycnal form stress
Earth science; Physical oceanography
A horizontal pressure force averaged in longitude and time over a material surface of constant potential density. This is associated with a combinatino of transient (mesoscale) ...
isopycnal method
Earth science; Physical oceanography
A scheme to systematize the classification of the hydrography of the oceans developed by Montgomery in the late 1930s. He developed this to overcome limitations he saw in the ...
Absolute Velocity Profiler (AVP)
Earth science; Physical oceanography
An instrument developed at the APL to measure velocity profiles in the ocean. This dropsonde references an electromagnetically inferred velocity profile to one measured near the ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)