| <Data_Center_Text> Brief description of the Data Center</Data_Center_Text> |
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<Data_Center_Text>
The Global Geophysical Fluids Center (GGFC) and the
associated eight Special Bureaus (SB) have the responsibility
of supporting, facilitating, and providing services to the
worldwide research community, in areas related to the
variations in Earth rotation, gravity field and geocenter
that are caused by mass transport in the global geophysical
fluids. Mass transports in the geophysical fluids will cause
the following geodynamic effects on a broad time scale:
(1) variations in the solid Earth's rotation (in
length-of-day/universal time and polar motion/nutation) via
the conservation of angular momentum and effected by torques
at the fluid-solid Earth interfaces; (2) changes in the
gravity field according to Newton's gravitational
law; (3) motion in the center of mass of the solid Earth
relative to that of the whole Earth ("geocenter") via the
conservation of linear momentum; and (4) mass loading effects
normally manifested in surface deformations and movements.
Website: http://bowie.gsfc.nasa.gov/ggfc/
</Data_Center_Text>
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