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88-609: In the Ynglinga saga , Snorri Sturluson writes that the clan was descended from Dag the Great whose daughter Dageid married the Swedish king Alrekr and was the mother of Yngvi and Alf . Stanza 18 of the Hyndluljóð reads: In the later Hversu Noregr byggðist , it is reported that Dag married a woman named Þóra drengjamóður and they had nine sons. Among them were Óli, Ámr, Jöfurr and Arngrim

176-514: A halocline that stops at the Cold Intermediate Layer (CIL). This layer is composed of cool, salty surface waters, which are the result of localized atmospheric cooling and decreased fluvial input during the winter months. It is the remnant of the winter surface mixed layer. The base of the CIL is marked by a major pycnocline at about 100–200 metres (330–660 ft), and this density disparity

264-734: A chief in Vanaland, but people there realize how bad he actually is at taking decisions when not advised by Mime. They decapitate Mime and send his head to Asaland, where Odin smears it with herbs and sings incantations over it giving it the power to speak and reveal many secrets to Odin. Odin has a foresight about the new dwelling place in the north and goes there "with all the gods and a great many other people", leaving his two brothers, Vilje and Ve , to rule in Asgaard. First, Odin and his companions wander westwards to Gardarike and from there - south to Saxland, where Odin's sons start to rule. Odin goes towards

352-604: A friendship with King Frode. Frode's messengers come to demand the scatt promised by Egil, which Ottar refuses to pay. As a punishment, the Sweden is ravaged by the Danes who kill many people and take captives there. In revenge, King Ottar sails to Denmark with his warriors when Frode is away on an expedition, and desolates the country. When Ottar is plundering the Vend district of Lymfjord, Danish earls Vatt and Faste bring their army there to fight off

440-705: A gallows. Thus Gylog revenges his father's death on Jorund. Jorund's son On , a wise and quiet man, becomes a king of the Swedes and rules peacefully in Upsal until Halfdan , a son of the Danish king Frode Mikellati , comes to Sweden with his army. On flees to Gotland, yielding the kingdom to Halfdan, who remains there as a new king for 25 years. When Halfdan dies, On returns to Upsal while being already 60 years old and sacrifices his own son to Odin, who tells him that he will live 60 years more. King On rules in Upsal for 25 years until Ole

528-429: A great mound with three windows. People think Frey is still alive and continue to pay tribute to him, putting gold through one window, silver through another and copper coins through the third one. The Swedes eventually discover the truth but do not burn Frey's body, since they believe that peaceful times continue thanks to his presence in Sweden. They treat him as a god and sacrifice to him. Frey's son Fjolne inherits

616-517: A high tree, while wearing a golden ornament around his neck - the legacy of king Visbur. Froste's daughter fastens a noose under the ornament and lets her men hang Agne on a branch of that tree. Skjalv sails away after murdering her husband and Agne is buried at that place, which is called Agnefet afterwards. Agne is succeeded by his sons Alric and Eric , who both become kings at the same time. Outstanding horsemen, they like to compete over who rides better. While riding out far away onto distant fields,

704-536: A marked vertical stratification and a warm, shallow mixed layer. Day length and insolation intensity also control the extent of the photic zone . Subsurface productivity is limited by nutrient availability, as the anoxic bottom waters act as a sink for reduced nitrate , in the form of ammonia . The benthic zone also plays an important role in Black Sea nutrient cycling, as chemosynthetic organisms and anoxic geochemical pathways recycle nutrients which can be upwelled to

792-677: A positive water balance , with an annual net outflow of 300 km (72 cu mi) per year through the Bosporus and the Dardanelles into the Aegean Sea . While the net flow of water through the Bosporus and Dardanelles (known collectively as the Turkish Straits ) is out of the Black Sea, water generally flows in both directions simultaneously: Denser, more saline water from the Aegean flows into

880-411: A powerful warrior, who leads his army to Finland to subdue the land. After killing a Finnish chief Froste together with many of his men in a great battle, Agne marauds Finland and brings Froste's daughter Skjalv with her brother Loge to Stoksund . There he marries Skjalv, who begs him to make a funeral feast to commemorate her father. Agne gets very drunk during the feast and falls asleep in a tent under

968-483: A son Domald . Gisle and Ond grow up and demand their mother's dower of Visbur, but he refuses to pay. They revenge by burning Visbur in his own house, assisted by the Huld's sorcery. After his fathers's death, Domald becomes a king. His rule is marked by great famine and distress, and Swedes make many offerings of sacrifice in a hope to end the times of scarcity. When they see that nothing helps they sacrifice Domald himself to

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1056-565: A son Visbur , but then Vanlande leaves his family for a long time. Driva sends Visbur to Sweden and asks the witch Huld to either force Vanlande to return to Finland or kill him with her witchcraft. Vanlande does not return, and thus is killed in his sleep by the Mara . Visbur succeeds his father and marries the daughter of Aude the Rich, who gives birth to their two sons Gisle and Ond. However, Visbur leaves his family and takes another wife, with whom he has

1144-451: A strong force to advance towards Upsal against Hake, who meets them at Fyrisvold and a great battle takes place there. In spite of having a smaller army, Hake fights bravely and kills Eric, forcing Jorund with his men flee to their ships. However, king Hake himself is mortally wounded in the battle and knows that his days are numbered. He orders a warship to be loaded with bodies of his warriors together with their weapons, and to be taken out to

1232-569: A strongly stratified vertical structure. Because of the extreme stratification, it is classified as a salt wedge estuary . Inflow from the Mediterranean Sea through the Bosporus and Dardanelles has a higher salinity and density than the outflow, creating the classic estuarine circulation. This means that the inflow of dense water from the Mediterranean occurs at the bottom of the basin while

1320-493: A sword, before Bera's eyes, but the dying Yngve manages to lethally wound Alf too. Both brothers fall dead and are buried in Fyrisvold. Alf's son Hugleik inherits the power and quietly rules in the kingdom of the Swedes, until a powerful sea-king Hake comes with many warriors to attack the country. King Hugleik gathers a great army to oppose him, but loses a battle at Fyrisvold. Hake kills Hugleik together with two of his sons in

1408-433: A threat to health—and perhaps even life—for people living on the Black Sea coast. There have been isolated reports of flares on the Black Sea occurring during thunderstorms, possibly caused by lightning igniting combustible gas seeping up from the sea depths. The Black Sea supports an active and dynamic marine ecosystem, dominated by species suited to the brackish , nutrient-rich, conditions. As with all marine food webs,

1496-414: A truce and exchange hostages. Thus the best people of Vanaland are sent to Asaland as hostages: Njord the Rich, with his son Frey and daughter Freya as well as the wisest man in Vanaland called Kvase . The people of Asaland , in their turn, send a wise man called Mime along with a stout handsome man called Hone , who is allegedly very suitable to become a chief, to Vanaland. Hone is immediately made

1584-516: A very thick convective bottom layer. The Black Sea undersea river is a current of particularly saline water flowing through the Bosporus Strait and along the seabed of the Black Sea. The discovery of the river, announced on August 1, 2010, was made by scientists at the University of Leeds and is the first of its kind to be identified. The undersea river stems from salty water spilling through

1672-492: A weaker mixed assemblage of community development below the seasonal thermocline during summer months, and surface-intensified autumn production. This pattern of productivity is augmented by an Emiliania huxleyi bloom during the late spring and summer months. Since the 1960s, rapid industrial expansion along the Black Sea coastline and the construction of a major dam on the Danube have significantly increased annual variability in

1760-476: A wife in Vanaland called Vana, who gives birth to their son Vanlande . When Swegde returns to Sweden with his family he is still determined to seek Godheim. During his second journey Swegde meets a dwarf, who tricks him into entering a big hollow stone, where Swegde is trapped forever. Vanlande becomes a king in Upsal. As a great warrior, he ventures out to many lands and gets a wife in Finland called Driva. They have

1848-773: Is attributed to the Norwegian 9th-century skald Þjóðólfr of Hvinir , and which also appears in Historia Norwegiae . It tells the most ancient part of the story of the House of Ynglings ( Scylfings in Beowulf ). Snorri described the descent of the kings of Norway from this royal house of Sweden . Ynglinga saga is the first part of Snorri's history of the ancient Norse kings, the Heimskringla . Interwoven in this narrative are references to important historical events. The saga deals with

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1936-536: Is called Sealand, where Gefion dwells and marries Skjold, an Odin's son. When Odin hears of how prosperous the lands to the east of Gylve's possessions are, he goes there. Despite the opposition of Gylve, Asaland people take the upper hand, make piece with him and remain on those lands. Odin settles at the Maelare lake, in the Old Sigtun , builds a temple there and sets his men to rule in the neighboring places around. Odin

2024-431: Is described as a great sorcerer in the saga. He can shape-shift, speaks only in verse, and lies so well that everything he says seems true. He strikes enemies blind and deaf and when his own men fight they go berserk and cannot be harmed. Odin has a ship named Skidbladnir , which can be folded together like a cloth. He relies on two talking ravens to gather intelligence, and he keeps Mime's head with him, which tells him

2112-694: Is going to Godheim (the other name of "Swithiod the Great" in the saga). He dies in his bed in Swithiod and is burned with honor. Snorri says: "The Swedes believed that he was gone to the ancient Asgaard, and would live there eternally". Njord starts to rule over the Swedes after Odin. During this time, marked by peace and prosperity, all the gods die. When Njord also dies, Frey takes the power and makes Upsal his capital. Frey has also another name, Yngvi, which begins to be used as an honorific title by his descendants. Thus they are called Ynglinger . When Frey dies of illness, his men keep it secret and place his body into

2200-580: Is subject to interannual variability. Outside of the Rim Current, numerous quasi-permanent coastal eddies are formed as a result of upwelling around the coastal apron and "wind curl" mechanisms. The intra-annual strength of these features is controlled by seasonal atmospheric and fluvial variations. During the spring, the Batumi eddy forms in the southeastern corner of the sea. Beneath the surface waters—from about 50 to 100 metres (160 to 330 ft)—there exists

2288-454: Is the major mechanism for isolation of the deep water. Below the pycnocline is the Deep Water mass, where salinity increases to 22.3 PSU and temperatures rise to around 8.9 °C (48.0 °F). The hydrochemical environment shifts from oxygenated to anoxic, as bacterial decomposition of sunken biomass utilizes all of the free oxygen. Weak geothermal heating and long residence time create

2376-477: Is thought the climate conditions established in western Europe mediate the heat and precipitation fluxes reaching Central Europe and Eurasia, regulating the formation of winter cyclones , which are largely responsible for regional precipitation inputs and influence Mediterranean sea surface temperatures (SSTs). The relative strength of these systems also limits the amount of cold air arriving from northern regions during winter. Other influencing factors include

2464-576: Is through the most active of these connective routes, the Turkish Straits, that the Black Sea joins the World Ocean . During geological periods when this hydrological link was not present, the Black Sea was an endorheic basin , operating independently of the global ocean system (similar to the Caspian Sea today). Currently, the Black Sea water level is relatively high; thus, water is being exchanged with

2552-697: The Balkans , south of the East European Plain , west of the Caucasus , and north of Anatolia . It is bounded by Bulgaria , Georgia , Romania , Russia , Turkey , and Ukraine . The Black Sea is supplied by major rivers, principally the Danube , Dnieper and Dniester . Consequently, while six countries have a coastline on the sea, its drainage basin includes parts of 24 countries in Europe. The Black Sea, not including

2640-814: The Hittites . The Hattic city of Zalpa was "situated probably at or near the estuary of the Marrassantiya River, the modern Kızıl Irmak , on the Black Sea coast." The principal Greek name Póntos Áxeinos is generally accepted to be a rendering of the Iranian word * axšaina- ("dark colored"). Ancient Greek voyagers adopted the name as Á-xe(i)nos , identified with the Greek word áxeinos (inhospitable). The name Πόντος Ἄξεινος Póntos Áxeinos (Inhospitable Sea), first attested in Pindar ( c.  475 BC ),

2728-585: The Kartvelian tribe of Speris or Saspers . Other modern names such as Chyornoye more and Karadeniz (both meaning Black Sea) originated during the 13th century. A 1570 map Asiae Nova Descriptio from Abraham Ortelius 's Theatrum Orbis Terrarum labels the sea Mar Maggior (Great Sea), compare Latin Mare major . English writers of the 18th century often used Euxine Sea ( / ˈ j uː k s ɪ n / or / ˈ j uː k ˌ s aɪ n / ). During

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2816-682: The Ottoman Empire , it was called either Bahr-e Siyah ( Perso-Arabic ) or Karadeniz ( Ottoman Turkish ), both meaning "Black Sea". The International Hydrographic Organization defines the limits of the Black Sea as follows: On the Southwest. The Northeastern limit of the Sea of Marmara [A line joining Cape Rumili with Cape Anatoli (41°13'N)]. In the Kertch Strait . A line joining Cape Takil and Cape Panaghia (45°02'N). The area surrounding

2904-585: The Sea of Azov , covers 436,400 km (168,500 sq mi), has a maximum depth of 2,212 m (7,257 ft), and a volume of 547,000 km (131,000 cu mi). Most of its coasts ascend rapidly. These rises are the Pontic Mountains to the south, bar the southwest-facing peninsulas, the Caucasus Mountains to the east, and the Crimean Mountains to the mid-north. In the west,

2992-519: The Ural Mountains ) lies "outside of all inhabited lands" but its southern part is not far from "Turkland" (probably Khazaria ). On the southern side of the mountains runs the river Tanais, formerly known as Tanaquisl or Vanaquisl (the modern day Don ), which flows into the Black Sea and marks the border between Europe and Asia. People on the Tanais live in a country called Vanaland or Vanaheim. East of

3080-717: The 13th century. In Greece , the historical name "Euxine Sea", which holds a different literal meaning (see below), is still widely used: The Black Sea is one of four seas named in English after common color terms – the others being the Red Sea , the White Sea and the Yellow Sea . The earliest known name of the Black Sea is the Sea of Zalpa, so called by both the Hattians and their conquerors,

3168-650: The Aegean Sea. The Bosporus strait connects it to the small Sea of Marmara which in turn is connected to the Aegean Sea via the strait of the Dardanelles . To the north, the Black Sea is connected to the Sea of Azov by the Kerch Strait . The water level has varied significantly over geological time. Due to these variations in the water level in the basin, the surrounding shelf and associated aprons have sometimes been dry land. At certain critical water levels, connections with surrounding water bodies can become established. It

3256-573: The Black Sea Depression they are terrigenous non-carbonate silts , and at the foot of the continental slope turbidite sediments. The Black Sea is the world's largest body of water with a meromictic basin. The deep waters do not mix with the upper layers of water that receive oxygen from the atmosphere. As a result, over 90% of the deeper Black Sea volume is anoxic water. The Black Sea's circulation patterns are primarily controlled by basin topography and fluvial inputs, which result in

3344-526: The Black Sea belong to Bulgaria, Romania, Turkey, and Ukraine: Short-term climatic variation in the Black Sea region is significantly influenced by the operation of the North Atlantic oscillation , the climatic mechanisms resulting from the interaction between the north Atlantic and mid-latitude air masses. While the exact mechanisms causing the North Atlantic Oscillation remain unclear, it

3432-585: The Black Sea features a range of trophic groups, with autotrophic algae, including diatoms and dinoflagellates , acting as primary producers. The fluvial systems draining Eurasia and central Europe introduce large volumes of sediment and dissolved nutrients into the Black Sea, but the distribution of these nutrients is controlled by the degree of physiochemical stratification, which is, in turn, dictated by seasonal physiographic development. During winter, strong wind promotes convective overturning and upwelling of nutrients, while high summer temperatures result in

3520-608: The Black Sea is commonly referred to as the Black Sea Region . Its northern part lies within the Chernozem belt (black soil belt) which goes from eastern Croatia ( Slavonia ), along the Danube (northern Serbia, northern Bulgaria ( Danubian Plain ) and southern Romania ( Wallachian Plain ) to northeast Ukraine and further across the Central Black Earth Region and southern Russia into Siberia . The littoral zone of

3608-806: The Black Sea is often referred to as the Pontic littoral or Pontic zone . The largest bays of the Black Sea are Karkinit Bay in Ukraine; the Gulf of Burgas in Bulgaria; Dnieprovski Bay and Dniestrovski Bay, both in Ukraine; and Sinop Bay and Samsun Bay, both in Turkey. The largest rivers flowing into the Black Sea are: These rivers and their tributaries comprise a 2-million km (0.77-million sq mi) Black Sea drainage basin that covers wholly or partially 24 countries: Unrecognised states: Some islands in

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3696-402: The Black Sea underneath the less dense, fresher water that flows out of the Black Sea. This creates a significant and permanent layer of deep water that does not drain or mix and is therefore anoxic . This anoxic layer is responsible for the preservation of ancient shipwrecks which have been found in the Black Sea, which ultimately drains into the Mediterranean Sea , via the Turkish Straits and

3784-773: The Bold , a Halfdan's nephew, attacks the kingdom. On flees to Gotland for the second time, losing the throne to Ole, who reigns over Sweden for 25 years. When Ole is killed by Starkad the Old, On comes back to Upsal and rules over the kingdom for another 25 years. Then he sacrifices his second son to Odin, who promises that On's life will last as long as he gives one of his sons to Odin every tenth year. On keeps living and sacrificing his sons until only one of them remains, whom he also wants to give to Odin, but Swedes do not let it happen. Therefore On finally dies at an extremely old age. Tunne, an On's slave working as his counselor and treasurer, hides much of

3872-517: The Bosporus Strait from the Mediterranean Sea into the Black Sea, where the water has a lower salt content. Because of the anoxic water at depth, organic matter, including anthropogenic artifacts such as boat hulls, are well preserved. During periods of high surface productivity, short-lived algal blooms form organic rich layers known as sapropels . Scientists have reported an annual phytoplankton bloom that can be seen in many NASA images of

3960-483: The Bosporus is located at 36.5 m (120 ft) below present sea level (deepest spot of the shallowest cross-section in the Bosporus, located in front of Dolmabahçe Palace ) and has a wet section of around 38,000 m (410,000 sq ft). Inflow and outflow current speeds are averaged around 0.3 to 0.4 m/s (1.0 to 1.3 ft/s), but much higher speeds are found locally, inducing significant turbulence and vertical shear. This allows for turbulent mixing of

4048-407: The Mediterranean. The Black Sea undersea river is a current of particularly saline water flowing through the Bosporus Strait and along the seabed of the Black Sea, the first of its kind discovered. Current names of the sea are usually equivalents of the English name "Black Sea", including these given in the countries bordering the sea: Such names have not yet been shown conclusively to predate

4136-647: The Mid-Black Sea High, which includes the Andrusov Ridge, Tetyaev High, and Archangelsky High, extending south from the Crimean Peninsula . The basin includes two distinct relict back-arc basins which were initiated by the splitting of an Albian volcanic arc and the subduction of both the Paleo - and Neo- Tethys oceans, but the timings of these events remain uncertain. Arc volcanism and extension occurred as

4224-562: The N:P:Si ratio in the basin. Coastal areas, accordingly, have seen an increase in the frequency of monospecific phytoplankton blooms, with diatom-bloom frequency increasing by a factor of 2.5 and non-diatom bloom frequency increasing by a factor of 6. The non-diatoms, such as the prymnesiophytes Emiliania huxleyi (coccolithophore), Chromulina sp., and the Euglenophyte Eutreptia lanowii , can out-compete diatom species because of

4312-777: The Neo-Tethys Ocean subducted under the southern margin of Laurasia during the Mesozoic . Uplift and compressional deformation took place as the Neotethys continued to close. Seismic surveys indicate that rifting began in the Western Black Sea in the Barremian and Aptian followed by the formation of oceanic crust 20 million years later in the Santonian . Since its initiation, compressional tectonic environments led to subsidence in

4400-424: The Old , received a promise from the gods that there would be no woman and no man who was not of great repute among his descendants for three hundred years. Another one of Dag the Great's sons according to Hversu Noregr Byggðist was Óli, who was the father of Dag, the father of Óleif the father of Hring (the old king Ring of Frithiof's Saga ), the father of Olaf, the father of Helgi, the father of Sigurd Hjort ,

4488-410: The On's treasures in the earth. As soon as Egil , the only remaining son of On, inherits the throne he reduces Tunne to the rank of an ordinary slave. The deeply offended Tunne runs away with some other slaves, digs up the On's treasures, shares it among his men and becomes their chief. Joined by gangs of local robbers they plunder the country and kill many people, compelling Egil to lead his army against

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4576-464: The Rim Current. The Rim Current has a maximum velocity of about 50–100 cm/s (20–39 in/s). Within this feature, two smaller cyclonic gyres operate, occupying the eastern and western sectors of the basin. The Eastern and Western Gyres are well-organized systems in the winter but dissipate into a series of interconnected eddies in the summer and autumn. Mesoscale activity in the peripheral flow becomes more pronounced during these warmer seasons and

4664-413: The Swedes. As a result of a great battle, Ottar is defeated and killed, and the Danes leave his body on a mound for wild beasts and ravens to tear at it. The remaining chapters of the saga describe the rule of Yngling dynasty down to the Rongvald the Mountain-High . Black Sea Unrecognised states: The Black Sea is a marginal mediterranean sea lying between Europe and Asia , east of

4752-410: The Ynglings begins. These lands differ in a metaphorical sense as well, since the former is also called Godheim or the home of gods, while the latter is called Mannheim or the place where people live. Swithiod the Great is a vast territory populated by many "races of men", and divided from other lands by a large mountain ridge going from northeast to southwest. This mountain ridge (probably referring to

4840-409: The arrival of the Norse gods to Scandinavia and how Freyr founded the Swedish Yngling dynasty at Uppsala . Then the saga follows the line of Swedish kings until Ingjald ( Ingjald illråde ), after which the descendants settled in Norway and became the ancestors of the Norwegian King Harald Fairhair . Hrólf Kraki Tradition The saga begins with a description of the "earth's circle" inhabited by

4928-425: The basin, interspersed with extensional phases resulting in large-scale volcanism and numerous orogenies , causing the uplift of the Greater Caucasus , Pontides , southern Crimean Peninsula and Balkanides mountain ranges. During the Messinian salinity crisis in the neighboring Mediterranean Sea , water levels fell but without drying up the sea. The collision between the Eurasian and African plates and

5016-427: The battle and becomes king of Sweden. Hake remains in Sweden while his troops are going abroad on viking expeditions. Meanwhile the sons of Yngve, Jorund and Eric, are cruising in their warships, marauding Denmark. They capture Gudlog, a king from Halogaland , bring him to Stromones and hang him there, which makes them very famous and celebrated. After hearing that king Hake's troops are abroad, Jorund and Eric gather

5104-521: The berserker who married Eyfura . This makes this Dag roughly contemporary with the Dag of Ynglinga saga , Hervarar saga and Orvar-Odd 's saga , as Arngrim's sons Angantyr and his brother Hjörvard would have been the cousins of the Swedish king Yngvi, whose daughter Hjörvard wanted to marry. This proposal would lead to both Angantyr and his brothers being killed in battle against the Swedish hero Hjalmar and his Norwegian friend Orvar-Odd. The "Hversu Noregr Byggðist" tells that Dag's father, Halfdan

5192-406: The best warriors to Egil. King Egil, assisted by Danes, defeats Tunne and rules three years over Sweden, sending King Frode great presents every year in acknowledgement of his help, but does not pay scatt to the Danes. Egil dies of a mortal wound inflicted by a runaway bull and is buried in a mound at Upsal. Egil's son Ottar succeeds to the kingdom after his father but does not continue to keep up

5280-444: The brothers seemingly crush each other's heads with a headgear and die. Alric's sons Yngve and Alf become kings of Sweden afterwards. Yngve, a renowned warrior, is handsome, cheerful and admired by everyone. In contrast to his brother, Alf is shy, unfriendly and never takes part in military expeditions. Alf's wife Bera is attracted to Yngve and spends much time in his company, which makes Alf very jealous. Alf strikes his brother with

5368-412: The centre of the Black Sea reaches a maximum depth of 2,212 metres (7,257.22 feet) just south of Yalta on the Crimean Peninsula . The Paleo- Euxinian is described by the accumulation of eolian silt deposits (related to the Riss glaciation ) and the lowering of sea levels ( MIS 6, 8 and 10). The Karangat marine transgression occurred during the Eemian Interglacial (MIS 5e). This may have been

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5456-490: The coast is generally small floodplains below foothills such as the Strandzha ; Cape Emine , a dwindling of the east end of the Balkan Mountains ; and the Dobruja Plateau considerably farther north. The longest east–west extent is about 1,175 km (730 mi). Important cities along the coast include (clockwise from the Bosporus ) Burgas , Varna , Constanța , Odesa , Sevastopol , Novorossiysk , Sochi , Poti , Batumi , Trabzon and Samsun . The Black Sea has

5544-401: The dark color of the water or climatic conditions. Some scholars understand the name to be derived from a system of colour symbolism representing the cardinal directions , with black or dark for north, red for south, white for west, and green or light blue for east. Hence, "Black Sea" meant "Northern Sea". According to this scheme, the name could only have originated with a people living between

5632-411: The father of Ragnhild, who was the mother of Harald Fairhair . This line partially agrees with the one found in Ragnarssona þáttr , where it is told instead that Dag the Great and his wife Þóra drengjamóður were the parents of Hring, the father of Ingi, the father of Ingjald, the father of Olaf, the father of Gudröd and Helgi the Sharp . Helgi married the daughter of Sigurd Snake-in-the-Eye and had

5720-402: The gods. Then the Domald's son, called Domar , reigns peacefully over the Swedes for a long time. When he dies in Upsal his body is moved to Fyrisvold and burned on the river bank. The power is taken by his son Dygve of whom "nothing is said", according to the saga, except for that he dies then "in his bed". King Dygve is succeeded by his son Dag , who is so wise that he can understand

5808-441: The highest sea levels reached in the late Pleistocene . Based on this some scholars have suggested that the Crimean Peninsula was isolated from the mainland by a shallow strait during the Eemian Interglacial. The Neoeuxinian transgression began with an inflow of waters from the Caspian Sea . Neoeuxinian deposits are found in the Black Sea below −20 m (−66 ft) water depth in three layers. The upper layers correspond with

5896-402: The human race and divided by great seas running into the land from the "out-ocean". The Black Sea divides the earth into three parts: Asia in the east, Europe in the west and "Swithiod the Great, or the Cold" in the north. The saga distinguishes between Swithiod the Great (literally "Sweden the Great"), where the opening scenes are set, and Sweden proper, in Scandinavia , where the reign of

5984-413: The language of birds. To get news he uses a sparrow, which is killed with a stone one day, in a farm called Varva, in Reidgotaland . Infuriated Dag plunders Varva out of revenge and kills many people there. On his way back Dag crosses a river at a place called Skjotan's Ford, where a slave worker throws a hayfork at the Dag's troop, killing the king instantly. The kingdom is taken by the Dag's son Agne ,

6072-518: The late 1980s. Additionally, an alien species—the warty comb jelly ( Mnemiopsis leidyi )—established itself in the basin, exploding from a few individuals to an estimated biomass of one billion metric tons. The change in species composition in Black Sea waters also has consequences for hydrochemistry, as calcium-producing coccolithophores influence salinity and pH, although these ramifications have yet to be fully quantified. In central Black Sea waters, silicon levels also reduced significantly, due to

6160-407: The limited availability of silicon, a necessary constituent of diatom frustules. As a consequence of these blooms, benthic macrophyte populations were deprived of light, while anoxia caused mass mortality in marine animals. Overfishing during the 1970s further compounded the decline in macrophytes, while the invasive ctenophore Mnemiopsis reduced the biomass of copepods and other zooplankton in

6248-460: The mutinous slave. However, Tunne suddenly attacks Egil's field camp at night, forcing the king's men to flee to the forest and causing even more damage to the country. Egil assembles an army again, but suffers a heavy defeat from the forces of Tunne. After losing a series of battles to Tunne, the king flees the country and comes to Sealand in Denmark, promising to pay scatt to Frode the Bold in return for his help. Frode gives his army with some of

6336-569: The news from other worlds. Odin teaches magic, runes and incantations. He can even awaken the dead from the earth and cause death or disease to anyone. People worship Odin and the other twelve chiefs from Asaland as their gods. Odin establishes the laws that have been previously observed in Asaland: dead men should be burned with their belongings, a mound should be raised to memorialize distinguished men, sacrifices should be held on special days in winter and in summer. Short before his death, Odin says he

6424-431: The north of the basin is up to 190 km (120 mi) wide and features a shallow apron with gradients between 1:40 and 1:1000. The southern edge around Turkey and the eastern edge around Georgia , however, are typified by a narrow shelf that rarely exceeds 20 km (12 mi) in width and a steep apron that is typically 1:40 gradient with numerous submarine canyons and channel extensions. The Euxine abyssal plain in

6512-547: The northern (black) and southern (red) seas : this points to the Achaemenids (550–330 BC). In the Greater Bundahishn , a Middle Persian Zoroastrian scripture, the Black Sea is called Siyābun . In the tenth-century Persian geography book Hudud al-'Alam , the Black Sea is called Georgian Sea ( daryā-yi Gurz ). The Georgian Chronicles use the name zğua sperisa ზღუა სპერისა (Sea of Speri) after

6600-454: The outflow of fresher Black Sea surface-water into the Sea of Marmara occurs near the surface. According to Gregg (2002), the outflow is 16,000 cubic metres per second (570,000 cubic feet per second) or around 500 cubic kilometres per year (120 cubic miles per year), and the inflow is 11,000 m /s (390,000 cu ft/s) or around 350 km /a (84 cu mi/a). The following water budget can be estimated: The southern sill of

6688-501: The peak of the Khvalinian transgression, on the shelf shallow-water sands and coquina mixed with silty sands and brackish-water fauna, and inside the Black Sea Depression hydrotroilite silts. The middle layers on the shelf are sands with brackish-water mollusc shells. Of continental origin, the lower level on the shelf is mostly alluvial sands with pebbles, mixed with less common lacustrine silts and freshwater mollusc shells . Inside

6776-488: The photic zone, enhancing productivity. In total, the Black Sea's biodiversity contains around one-third of the Mediterranean's and is experiencing natural and artificial invasions or "Mediterranizations". The main phytoplankton groups present in the Black Sea are dinoflagellates , diatoms , coccolithophores and cyanobacteria . Generally, the annual cycle of phytoplankton development comprises significant diatom and dinoflagellate-dominated spring production, followed by

6864-482: The power and peacefully rules over the Swedes until he visits a great celebration in the house of Fredfrode, a ruler of Leidre. There Fjolne accidentally falls into a big vessel with mead and drowns himself. Swegde , Fjolne's son, takes the kingdom, but decides to seek Godheim and Odin, so he sets out on a 5-year travel for that. Swegde comes to Turkland and then to the Great Swithiod. He does not find Odin, but gets

6952-488: The region. As a result of these characteristics the Black Sea has gained interest from the field of marine archaeology , as ancient shipwrecks in excellent states of preservation have been discovered, such as the Byzantine wreck Sinop D , located in the anoxic layer off the coast of Sinop, Turkey . Modelling shows that, in the event of an asteroid impact on the Black Sea, the release of hydrogen sulfide clouds would pose

7040-457: The regional topography , as depressions and storm systems arriving from the Mediterranean are funneled through the low land around the Bosporus, with the Pontic and Caucasus mountain ranges acting as waveguides, limiting the speed and paths of cyclones passing through the region. The Black Sea is divided into two depositional basins—the Western Black Sea and Eastern Black Sea—separated by

7128-669: The river, in Asia, stretches a country called Asaland or Asaheim. The main city of Asaland is Asgaard , where Odin is a chief. Twelve temple priests, called Diar, direct sacrifices in Asgaard and also judge the people, who serve and obey them. Odin is a great warrior, who conquers many kingdoms in all parts of the world, never losing a battle. His men are used to receive his blessing before going into battle, and to call upon his name when fighting, in order to inspire themselves. Odin wages war against Vanaland people , but cannot win over them. After doing great damage to each other, both sides agree to

7216-559: The sea in the north, settles in an island called Odinsö in Fyen and sends Gefion to discover new lands to the north, in Scandinavia. When she reaches the possessions of king Gylve , he grants her a plowable field. After having four sons with a giant in Jotunheim, Gefion turns them into a yoke of oxen and makes them plow the field breaking out a piece of land into the ocean close to Odinsö. This land

7304-518: The sea was called the "Inhospitable Sea Πόντος Ἄξεινος Póntos Áxeinos by the inhabitants of the Pontus region of the southern shoreline before Greek colonisation due to its difficult navigation and hostile barbarian natives (7.3.6), and that the name was changed to "hospitable" after the Milesians colonised the region, bringing it into the Greek world. Popular supposition derives "Black Sea" from

7392-464: The sea. A pyre is made on the ship, where Hake is burned while not being quite dead. Jorund remains in Upsal and rules over the country. He leads his army to Denmark, plundering Jutland and Lymfjord, but in Oddesund he stumbles on Gylog, a son of the late king Gudlog, with a great force. Gylog, assisted by multitudes of local people, wins over Jorund in a battle, captures him and orders him to be hanged on

7480-617: The son Sigurd Hjort , the father of Ragnhild, the mother of Harald Fairhair. Ynglinga saga Ynglinga saga ( modern Icelandic pronunciation: [ˈiŋliŋka ˈsaːɣa] ) is a Kings' saga , originally written in Old Norse by the Icelandic poet and historian Snorri Sturluson about 1225. It is the first section of his Heimskringla . It was first translated into English and published in 1844 by Samuel Laing . Snorri Sturluson based his work on an earlier Ynglingatal which

7568-408: The two layers. Surface water leaves the Black Sea with a salinity of 17 practical salinity units (PSU) and reaches the Mediterranean with a salinity of 34 PSU. Likewise, an inflow of the Mediterranean with salinity 38.5 PSU experiences a decrease to about 34 PSU. Mean surface circulation is cyclonic ; waters around the perimeter of the Black Sea circulate in a basin-wide shelfbreak gyre known as

7656-582: The westward escape of the Anatolian block along the North Anatolian and East Anatolian faults dictates the current tectonic regime, which features enhanced subsidence in the Black Sea basin and significant volcanic activity in the Anatolian region. These geological mechanisms, in the long term, have caused the periodic isolations of the Black Sea from the rest of the global ocean system. The large shelf to

7744-506: Was considered an ill omen and was euphemized to its opposite, Εὔξεινος Πόντος Eúxeinos Póntos (Hospitable Sea), also first attested in Pindar. This became the commonly used designation in Greek, although in mythological contexts the "true" name Póntos Áxeinos remained favoured. Strabo 's Geographica (1.2.10) reports that in antiquity, the Black Sea was often simply called "the Sea" ( ὁ πόντος ho Pontos ). He thought that

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