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Over geologic time sea level has fluctuated by more than 300 metres, possibly more than 400 metres. The main reasons for sea level fluctuations in the last 15 million years are the Antarctic ice sheet and Antarctic post-glacial rebound during warm periods. The current sea level is about 130 metres higher than the historical minimum.
sea level 63 m 207 ft Bahrain: Mountain of Smoke (Jabal ad Dukhan) 122 m 400 ft Persian Gulf: sea level 122 m 400 ft Bangladesh: Saka Haphong: 1063 m 3,488 ft Bay of Bengal: sea level 1063 m 3,488 ft Barbados: Mount Hillaby: 336 m 1,102 ft North Atlantic Ocean: sea level 336 m 1,102 ft Belarus: Dzyarzhynskaya Hara: 346 m 1,135 ft Neman: 90 m 295 ft
Height above mean sea level (AMSL) is the elevation (on the ground) or altitude (in the air) of an object, relative to a reference datum for mean sea level (MSL). It is also used in aviation, where some heights are recorded and reported with respect to mean sea level (contrast with flight level ), and in the atmospheric sciences , and in land ...
Sea surface height change from 1992 to 2019: Blue regions are where sea level has gone down, and orange/red regions are where sea level has risen (the visualization is based on satellite data). [ 2 ] Between 1901 and 2018, the average sea level rose by 15–25 cm (6–10 in), with an increase of 2.3 mm (0.091 in) per year since the 1970s.
This is a list of places on land below mean sea level. Places artificially created such as tunnels, mines, basements, and dug holes, or places under water, or existing temporarily as a result of ebbing of sea tide etc., are not included. Places where seawater and rainwater is pumped away are included.
This is a list of countries and territories by their average elevation above sea level based on the data published by Central Intelligence Agency, [1] unless another source is cited. The list includes sovereign states and self-governing dependent territories based upon the ISO standard ISO 3166-1.
It aims to contribute to observations of the mesoscale ocean variability, affecting the whole oceans. This activity is especially intense near western boundary currents. Also monitor the average sea level because it is a large indicator of global warming through the sea level data. Improvement of tide modeling by observing more long period ...
Strictly speaking, a "sea" is a body of water (generally a division of the world ocean) partly or fully enclosed by land. [21] The word "sea" can also be used for many specific, much smaller bodies of seawater, such as the North Sea or the Red Sea .