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Additional
geodesy
English Wikipedia - The Free Encyclopedia
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Geodesy
Geodesy
, — also known as
geodetics
or
geodetics engineering
— a branch of
applied mathematics
and
earth sciences
, is the scientific discipline that deals with the measurement and representation of the
Earth
, including its
gravitational field
, in a three-dimensional time-varying space. Geodesists also study
geodynamic
al phenomena such as
crustal
motion,
tides
, and
polar motion
. For this they design global and national
control networks
, using
space
and terrestrial techniques while relying on
datum
s and
coordinate systems
.
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