The meridian 81° west of
Greenwich is a line of
longitude that extends from the
North Pole across the
Arctic Ocean,
North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
, the
Atlantic Ocean, the
Caribbean Sea,
Panama, the
Pacific Ocean,
South America, the
Southern Ocean, and
Antarctica to the
South Pole.
The 81st meridian west forms a
great circle
In mathematics, a great circle or orthodrome is the circular intersection of a sphere and a plane passing through the sphere's center point.
Any arc of a great circle is a geodesic of the sphere, so that great circles in spherical geomet ...
with the
99th meridian east.
From Pole to Pole
Starting at the
North Pole and heading south to the
South Pole, the 81st meridian west passes through:
:
See also
*
80th meridian west
*
82nd meridian west
The meridian 82° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Gulf of Mexico, the Caribbean Sea, Panama, the Pacific Ocean, the Southern Ocean, and Antarctica to ...
{{geographical coordinates, state=collapsed
w081 meridian west