answersLogoWhite

0

Sea level rises and falls, so a datum line was put by the British Ordnance Survey on a harbour wall at Newlyn, Cornwall. It is from this datum line that mean sea level is measured.

User Avatar

Wiki User

10y ago

What else can I help you with?

Related Questions

What words describe how far an object is from sea level?

Elevation, altitude, height above sea level.


Is the highest of an object above sea level?

i think it would be a no because sea level is the lowest level object


What is it called when its The distance of something above sea level?

Elevation or altitude measures the distance of something above sea level. It is a vertical measurement typically used in geography, aviation, and hiking to describe the height of a point or object in relation to sea level.


What is the difference between a negative the altitude and a positive altitude?

Altitude describes an object's position relative to sea level. An object in a position higher than sea level would have a positive altitude, sea level would have an altitude of zero, and any object below sea level would have a negative altitude.


How far is endinburgh above sea level?

110 metres above sea level


How far above sea level is Myrtle Beach South Carolina?

at sea level


What is the word to describe the height above sea level of a geographic point?

The word to describe the height above sea level of a geographic point is "elevation."


How far above sea level is Tyler Texas?

It is 544 feet above sea level.


How far above sea level is Manitoba Canada?

It is 781 feet above sea level.


How far above sea level is key west Florida?

Part of it is at sea level. The highest point is 18.04 ft above sea level.


What is elevation above sea level?

Elevation above sea level refers to the height of a location or object above the average level of the sea's surface. It is typically measured in feet or meters and is used to describe the vertical distance between a point on Earth's surface and sea level. Areas at higher elevations generally have cooler temperatures and different climate conditions compared to low-lying areas.


How far above sea level is the origin of the river Amazon?

500 ft above sea level