It is thought by some that the channels in the Black Sea were formed around 6, 000 years ago when sea levels were approaching their current point.

Cross-section of the Irish Sea through Man, showing sea levels.

Sea levels began to rise during the Jurassic, which was probably caused by an increase in seafloor spreading.

Sea levels fell, exposing land bridges between Africa and Eurasia and between Eurasia and North America.

During this period the southern Red Sea ’ s levels dropped and was only 2. 5 miles or 4 km wide.

Sea levels in the Permian remained generally low, and near-shore environments were limited by the collection of almost all major landmasses into a single continent -- Pangaea.

Sea levels had dropped coincident with the ice age, but slowly recovered over the course of the Silurian and Devonian.

This provided less natural dilution of Mediterranean salinity and ended the higher levels of natural turbidity, additionally making conditions more like those in the Red Sea.

Environment-current issues: inadequate sanitation facilities ; increasing levels of soil salinity ; industrial pollution ; excessive pesticides ; part of the basin of the shrinking Aral Sea suffers from severe overutilization of available water for irrigation and associated pollution

In 2003, ICES stated there is a high risk of stock collapse if then current exploitation levels continued, and recommended a moratorium on catching Atlantic cod in the North Sea during 2004.

Sea levels have been lower and higher than at present, resulting in significant changes to the coastline during this period.

Water consumption is so high that groundwater levels in the Sanaa basin are diminishing ; because of this, government officials have proposed relocating large portions of the population of Sana ' a to the coast of the Red Sea.

Opposition came from fishermen along the Zuiderzee who would lose their livelihood, and from others in coastal areas along the more northerly Wadden Sea who feared higher water levels as a result of the closure, and others who doubted whether it was financially practical.

The main dungeon in Slash ' EM is much larger than in NetHack, introducing special levels such as the Sunless Sea, where a magic lamp lies, and the Guild of Disgruntled Adventurers, populated by " player monsters " ( archaeologists, barbarians, and the like ).

A Thames Barrier flood defence closure is triggered when a combination of high tides forecast in the North Sea and high river flows at the tidal limit at Teddington weir indicate that water levels would exceed in central London.

Bombay Beach is located on the east shore of the Salton Sea and, like many communities along its shores, has had to contend with rising and falling water levels.

Throughout the 1980s and 1990s, as salinity and suspected pollution levels in the Salton Sea increased, the attraction of the Salton Sea as a recreational destination diminished.

Water levels rose and the western Tethys came to shallowly cover significant portions of Europe, forming the ( first ) Tethys Sea.

Whilst the lower reaches of the River Havel provide the most direct route to Hamburg and the North Sea ports, variable water levels in the River Elbe affect those in the lower River Havel, and together these can restrict navigation.

The current channel of the Great Belt was created by a relatively high fresh water phase of the rising Yoldia Sea breaking through to the lower Kattegat levels at about 10, 000 BP.

At the end of that time rising Kattegat levels broke into the Ancylus lake, creating the Littorina Sea.

The " Century Flood " of 1976 and the " North Frisian Flood " of 1981 brought the highest water levels measured to date on the North Sea coast, but because of sea defences such as improved warning systems and dikes built and modified after the flood of 1962, these led only to property damage.

Sea level rise may also contribute to accretion, as material is pushed up with rising sea levels.

The subsequent Bronze Age civilizations of Greece and the Aegean Sea have given rise to the general term Aegean civilization.

In Scandinavia the amber road probably gave rise to the thriving Nordic Bronze Age culture, bringing influences from the Mediterranean Sea to the northernmost countries of Europe.

To the west of the Dead Sea, the Judean Hills rise less steeply and are much lower than the mountains to the east.

On 16 February 1962, the North Sea flood of that year caused the Elbe to rise to an all-time high, inundating one-fifth of Hamburg and killing more than 300 people.

Pisa began in this way its rise to the role of main port of the Upper Tyrrhenian Sea and became the main trading centre between Tuscany and Corsica, Sardinia and the southern coasts of France and Spain.

Agrawal argues that the wood piece is a common find, given that 20, 000 years ago the Arabian Sea was 100 meters lower than its current level, and that the gradual sea level rise submerged entire forests.

The mountains that rise up above the Mediterranean Sea to form these islands are an extension of the Sistema Penibetico.

This has given rise to the suggestion that, at the time, a navigable link existed between the Red Sea and the Nile.

As the desiccation of the Aral Sea came to international attention in the 1980s, water-use policy became a contentious issue between Soviet republics such as Tajikistan, where the main rivers rise, and those farther downstream, including Uzbekistan.

Sea level rise due thermal expansion would be expected to continue for centuries to millennia.

When tides are predicted to rise above 110 centimetres, the pontoons will be filled with air, causing them to float and block the incoming water from the Adriatic Sea.

There is not a criminal in a European jail, there is not a criminal in the South Sea Islands, whose indignation would not rise and over-boil at the recital of that which has been done, which has too late been examined, but which remains unavenged, which has left behind all the foul and all the fierce passions which produced it and which may again spring up in another murderous harvest from the soil soaked and reeking with blood and in the air tainted with every imaginable deed of crime and shame.

* Sea level rise

The commission said the country must plan for a rise in the North Sea of 1. 3 meters by 2100 and 4 meters by 2200.

The Sword Blade company arranged to spread a rumour that the Pretender himself had been captured, and the general euphoria encouraged the South Sea share price to rise from £ 100 where it had been in the spring to £ 114.

Nevertheless, Israeli exports to Spain are on the rise, totalling $ 870 million in 2006, and Israeli firms doing business with Spain include the Dead Sea Works, Haifa Chemicals, Amdocs, Comverse and Teva Pharmaceuticals.

* Sea level rise

With the rise of the Hasmoneans and finally Jonathan's claim to the High Priesthood in 152 BC, the Essene sect separated under the Teacher of Righteousness and they took the banner of asceticism for the next two hundred years culminating in the Dead Sea Sect.

Not until late in the Bronze Age ( 10th century BC ) did parts of what is now Älvkarleby begin to rise out of the Baltic Sea.

This may have given rise to the term, Sea Dayak, although, throughout the 19th Century, Sarawak Government raids and independent expeditions appeared to have been carried out as far as Brunei, Mindanao, East coast Malaya, Jawa and Celebes.

Sea level rise in Miramichi Bay has flooded the mouth of the Miramichi River with saltwater.

* Challenger Plateau, a submarine rise in the Tasman Sea close to the New Zealand coast