最終更新日：2025/11/21
(meteorology) A wind whose direction and speed are determined by a balance of the horizontal pressure gradient force and the force due to the earth's rotation to the left in the northern hemisphere and to the right in the southern hemisphere.
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geostrophic wind
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元となった辞書の項目
geostrophic wind
意味（1）
意味（2）
(meteorology)
That
horizontal
wind
velocity
for
which
the
Coriolis
force
exactly
balances
the
horizontal
pressure
gradient
force.
The
geostrophic
wind
is
thus
directed
along
the
contour
lines
on
a
constant-pressure
surface
(or
along
the
isobars
in
a
geopotential
surface)
with
low
elevations
(or
low
pressure)
to
the
left
in
the
northern
hemisphere
and
to
the
right
in
the
southern
hemisphere.
（ plural ）
