Mean sea level: average height of the sea surface over a 19-year period.
The latest sea-surface height measurements reveal unusually cool water (shown as blue and purple) and sea levels that are two to seven inches below normal, extending from the Gulf of Alaska along the coast of North America.
New laws have been enforced by an East Yorkshire council to try and combat people jumping into the sea from a height or "tombstoning".
The mast was installed in April to measure wind speed, wave height and sea currents.
BBC: Offshore Sussex wind farm weather mast causes 999 calls
The council said it had had nine letters of objection, including complaints from the South Hill Residents Association that the new pier would obscure the sea view, the extra height would mean it overlooks houses and it had the potential to create extra noise.
This Ocean forecasting system could generate crucial forecast information, such as ocean circulation, sea surface temperature, wave height, to serve the needs of a variety of human activities related to marine hazards mitigation, oil and gas exploration, fisheries, navigation, marine parks management and coastal recreational activities.
UNESCO: All Events | United Nations Educational, Scientific and Cultural Organization
As Caritas noted this week, even in 2008, when Mediterranean crossings were at their height, entries by sea into Italy anyway made up only a fifth of the estimated total.
While the park has added newer amusements, most visitors come for the vintage attractions, including a two-tier carousel built in 1921, the Talaia, which raises guests with a rickety metal arm to a height of 550m above sea level, and the iconic Avio ride, modelled on the first plane to fly between Barcelona and Madrid.
The time taken for the waves to complete this journey is recorded, and it is a fairly straightforward calculation to work out the height of the ice above sea level.
Work has started to halve the height of a controversial Bournemouth building which blocks sea views.
In two weeks' time, murky brown water will have backed up behind the dam to a height of 135 metres (440 feet) above sea-level.
ECONOMIST: A river is blocked, but criticism continues to flow
The levees intended to protect the city vary in height, from as low as 10 feet above sea level to about 14 feet, he said.
At its height in the 16th century it was a vast multiconfessional empire, stretching to the Black Sea, with no fewer than six legal languages, including Hebrew and Armenian.
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