Skagerrak
Encyclopedia
Strait
A strait or straits is a narrow, typically navigable channel of water that connects two larger, navigable bodies of water. It most commonly refers to a channel of water that lies between two land masses, but it may also refer to a navigable channel through a body of water that is otherwise not...
running between Norway
Norway
Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...
and the southwest coast of Sweden
Sweden
Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....
and the Jutland peninsula
Jutland
Jutland , historically also called Cimbria, is the name of the peninsula that juts out in Northern Europe toward the rest of Scandinavia, forming the mainland part of Denmark. It has the North Sea to its west, Kattegat and Skagerrak to its north, the Baltic Sea to its east, and the Danish–German...
of Denmark
Denmark
Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...
, connecting the North Sea
North Sea
In the southwest, beyond the Straits of Dover, the North Sea becomes the English Channel connecting to the Atlantic Ocean. In the east, it connects to the Baltic Sea via the Skagerrak and Kattegat, narrow straits that separate Denmark from Norway and Sweden respectively...
and the Kattegat
Kattegat
The Kattegat , or Kattegatt is a sea area bounded by the Jutland peninsula and the Straits islands of Denmark on the west and south, and the provinces of Västergötland, Scania, Halland and Bohuslän in Sweden on the east. The Baltic Sea drains into the Kattegat through the Øresund and the Danish...
sea area, which leads to the Baltic Sea
Baltic Sea
The Baltic Sea is a brackish mediterranean sea located in Northern Europe, from 53°N to 66°N latitude and from 20°E to 26°E longitude. It is bounded by the Scandinavian Peninsula, the mainland of Europe, and the Danish islands. It drains into the Kattegat by way of the Øresund, the Great Belt and...
.
Name
Both names Skagerrak and Kattegat are commonly held to be of DutchDutch language
Dutch is a West Germanic language and the native language of the majority of the population of the Netherlands, Belgium, and Suriname, the three member states of the Dutch Language Union. Most speakers live in the European Union, where it is a first language for about 23 million and a second...
origin. Skagerrak means in Dutch approximately 'Skagen Channel'. The Danish town of Skagen
Skagen
Skagen is a projection of land and a town, with a population of 8,515 , in Region Nordjylland on the northernmost tip of Vendsyssel-Thy, a part of the Jutland peninsula in northern Denmark...
(The Skaw) lies at the northern tip of the Danish mainland. Rak means 'straight waterway
Waterway
A waterway is any navigable body of water. Waterways can include rivers, lakes, seas, oceans, and canals. In order for a waterway to be navigable, it must meet several criteria:...
' (compare the Damrak
Damrak
The Damrak is a partially filled in canal at the centre of Amsterdam, between Amsterdam Centraal railway station and Dam Square, running north-south. It is the main street where people arriving at the station enter the centre of Amsterdam. Also it is one of the two GVB tram routes from the station...
in Amsterdam); it is cognate to 'reach
Reach (geography)
A reach in geography can mean several things. Most generally, a reach is any length of a stream between any two points. The points may be selected for any reason, such as gauging stations, river miles, natural features, and topography. They may be arbitrary or vague.A reach may also be an expanse,...
'. The ultimate source of this syllable is the Proto-Indo-European
Proto-Indo-European language
The Proto-Indo-European language is the reconstructed common ancestor of the Indo-European languages, spoken by the Proto-Indo-Europeans...
root *reg-, 'straight'. The modern Norwegian word rak means 'straight'. There is no evidence to suggest a connection to the modern Danish word rak (meaning rabble or riff-raff).
Geography
The Skagerrak is 240 km (149.1 mi) long and between 80 kilometre wide. It deepens toward the Norwegian coast, reaching over 700 metres at the Norwegian TrenchNorwegian trench
The Norwegian trench or Norwegian channel is an elongated depression in the sea floor off the southern coast of Norway....
. Some ports along the Skagerrak are Oslo
Oslo
Oslo is a municipality, as well as the capital and most populous city in Norway. As a municipality , it was established on 1 January 1838. Founded around 1048 by King Harald III of Norway, the city was largely destroyed by fire in 1624. The city was moved under the reign of Denmark–Norway's King...
and Kristiansand
Kristiansand
-History:As indicated by archeological findings in the city, the Kristiansand area has been settled at least since 400 AD. A royal farm is known to have been situated on Oddernes as early as 800, and the first church was built around 1040...
in Norway
Norway
Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...
and Uddevalla
Uddevalla
Uddevalla is a city and the seat of Uddevalla Municipality, Västra Götaland County, Sweden with 30,513 inhabitants in 2005.It is located at the bay Byfjorden, of the south-eastern part of the sea known as Skagerrak...
and Strömstad
Strömstad
Strömstad is a locality and the seat of Strömstad Municipality, Västra Götaland County, Sweden with 6,110 inhabitants in 2005.Strömstad is, despite its small population, for historical reasons normally still referred to as a city.- History :...
in Sweden
Sweden
Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....
.
The Skagerrak has a salinity
Salinity
Salinity is the saltiness or dissolved salt content of a body of water. It is a general term used to describe the levels of different salts such as sodium chloride, magnesium and calcium sulfates, and bicarbonates...
of 30 practical salinity units. The volume available to biomass is about 3600 km² (1,390 sq mi), including a wide variety of habitats from the sandbanks to Sweden and Denmark to the deeps of the Norwegian trench.
Extent
The International Hydrographic OrganizationInternational Hydrographic Organization
The International Hydrographic Organization is the inter-governmental organisation representing the hydrographic community. It enjoys observer status at the UN and is the recognised competent authority on hydrographic surveying and nautical charting...
defines the limits of the Skagerrak as follows:
On the West. A line joining HanstholmHanstholmHanstholm is a small town and a former island, now elevated area in Thisted municipality of Region Nordjylland, located in the northern part of Denmark. Coordinates:...
(57°07′N 83°6′E) and the Naze (LindesnesLindesnesLindesnes is a municipality in the county of Vest-Agder, Norway. Lindesnes was created as a new municipality on 1 January 1964 after the merger of the older municipalities of Spangereid, Sør-Audnedal, and Vigmostad....
, 58°N 7°E).
On the Southeast. The Northern limit of the Kattegat
KattegatThe Kattegat , or Kattegatt is a sea area bounded by the Jutland peninsula and the Straits islands of Denmark on the west and south, and the provinces of Västergötland, Scania, Halland and Bohuslän in Sweden on the east. The Baltic Sea drains into the Kattegat through the Øresund and the Danish...
[A line joining SkagenSkagenSkagen is a projection of land and a town, with a population of 8,515 , in Region Nordjylland on the northernmost tip of Vendsyssel-Thy, a part of the Jutland peninsula in northern Denmark...
(The Skaw, North Point of Denmark) and Paternoster Skær (57°54′N 11°27′E) and thence Northeastward through the shoals to Tjörn IslandTjörn MunicipalityTjörn Municipality is a municipality that covers the island of Tjörn in Västra Götaland County in western Sweden. Its seat is located in the town of Skärhamn.Tjörn is the sixth largest Swedish island...] .
History
Older names for the combined Skagerrak and KattegatKattegat
The Kattegat , or Kattegatt is a sea area bounded by the Jutland peninsula and the Straits islands of Denmark on the west and south, and the provinces of Västergötland, Scania, Halland and Bohuslän in Sweden on the east. The Baltic Sea drains into the Kattegat through the Øresund and the Danish...
were the Norwegian Sea or Jutland Sea; the latter appears in the Knýtlinga saga
Knýtlinga saga
Knýtlinga saga is an Icelandic kings' saga written in the 1250s, which deals with the kings who ruled Denmark since the early 10th century....
.
In both the world wars, the Skagerrak was strategically very important for Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...
. One of the biggest sea battles of World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...
, the Battle of Jutland
Battle of Jutland
The Battle of Jutland was a naval battle between the British Royal Navy's Grand Fleet and the Imperial German Navy's High Seas Fleet during the First World War. The battle was fought on 31 May and 1 June 1916 in the North Sea near Jutland, Denmark. It was the largest naval battle and the only...
, also known as the Battle of the Skagerrak, took place there May 31 to June 1, 1916. The importance of controlling this waterway, the only sea access to the Baltic, was the motivation for the German invasion of Denmark
Denmark
Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...
and Norway
Norway
Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...
during World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...
.
These naval engagements have contributed to the large number of shipwrecks in the area.
Biology
The Skagerrak is habitat for approximately 2000 marine species, many of them adapted to its waters. For example, a variety of Atlantic codAtlantic cod
The Atlantic cod, Gadus morhua, is a well-known demersal food fish belonging to the family Gadidae. It is also commercially known as cod, codling or haberdine....
called the Skagerrak cod spawns off the Norwegian coast. The eggs are buoyant and the hatchlings feed on zooplankton
Zooplankton
Zooplankton are heterotrophic plankton. Plankton are organisms drifting in oceans, seas, and bodies of fresh water. The word "zooplankton" is derived from the Greek zoon , meaning "animal", and , meaning "wanderer" or "drifter"...
. Juveniles sink to the bottom where they have a shorter maturity cycle (2 years). They do not migrate but remain local to Norwegian fjord
Fjord
Geologically, a fjord is a long, narrow inlet with steep sides or cliffs, created in a valley carved by glacial activity.-Formation:A fjord is formed when a glacier cuts a U-shaped valley by abrasion of the surrounding bedrock. Glacial melting is accompanied by rebound of Earth's crust as the ice...
s.
The variety of habitats and the large volume of plankton
Plankton
Plankton are any drifting organisms that inhabit the pelagic zone of oceans, seas, or bodies of fresh water. That is, plankton are defined by their ecological niche rather than phylogenetic or taxonomic classification...
on the surface support prolific marine life. Energy moves from the top to the bottom according to Vinogradov
Vinogradov
Vinogradov or Vinogradoff is a common Russian last name derived from the Russian word Vinograd, meaning Grape. Vinogradova is a feminine version of the same name.Notable persons bearing this last name include:...
's ladder of migrations; that is, some species are benthic and others pelagic, but there are graded marine layers within which species move vertically for short distances. In addition, some species are benthopelagic, moving between surface and bottom. The benthic species include Coryphaenoides rupestris, Argentina silus, Etmopterus spinax, Chimaera monstrosa
Chimaera monstrosa
Chimaera monstrosa, also known as the rabbit fish or rat fish, is a species of fish in the Chimaeridae family.-Anatomy and appearance:...
and Glyptocephalus cynoglossus. On the top are Clupea harengus, Scomber scombrus, Sprattus sprattus. Some species that move between are Pandalus borealis
Pandalus borealis
Pandalus borealis is a species of shrimp found in cold parts of the Atlantic and Pacific Oceans. Many different common names are used, including pink shrimp, deepwater prawn, deep-sea prawn, great northern prawn, and northern shrimp.-Distribution:P...
, Sabinea sarsi, Etmopterus spinax.