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Harle (gat)
The Harle or the Harle Seegatt is a gat in the North Sea. The Harle runs in a north-south direction between the East Frisian Islands of Spiekeroog and Wangerooge. The main channel subsequently divides into the ''Alte Harle'' (''Muschelbalje'') and the approach to the port of Wangerooge, the ''Dove Harle'' auf. The location and depth of the ''Harle'' navigation channel undergoes major changes. Its depth is published monthly in the notice to mariners. For a long time Wangerooge was the island with the greatest movement from west to east. The reason was the ''Harle Seegatt'', which continuously eroded the western tip of the island. The western tip of the island was not protected from erosion until the 1960s, when groynes and a concrete barrier were built. The longest groyne runs from the western end of Wangerooge to just in front of the eastern tip of Spiekeroog and poses a not insignificant hazard for shipping because it cannot be crossed at high tide. As a result of the expansion ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gat (landform)
A gat (german: Seegatt, ''Seegat'' or diminutive ''Gatje'') is a strait that is constantly eroded by currents flowing back and forth, such as tidal currents. It is usually a relatively narrow but deep, up to passage between land masses (such as an island and a peninsula) or shallow bars in an area of mudflats. A gat is sometimes a shallower passage on lagoon coasts, including those without any tidal range. According to Whittow a gat is either an inshore channel or strait dividing offshore islands from the mainland e.g. the Frisian Islands, or it is an opening in a line of sea cliffs allowing access to the coast from inland. It is similar, but not identical, to a gut, which is a narrow river channel or strait prior to joining an open ocean or estuary. Leser restricts its use to deep, but relatively narrow inlets in the Wadden Sea that are scoured out by currents, giving the example of the gap between the Frisian islands of Juist and Nordeney. Description The comparatively la ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
North Sea
The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian Sea in the north. It is more than long and wide, covering . It hosts key north European shipping lanes and is a major fishery. The coast is a popular destination for recreation and tourism in bordering countries, and a rich source of energy resources, including wind and wave power. The North Sea has featured prominently in geopolitical and military affairs, particularly in Northern Europe, from the Middle Ages to the modern era. It was also important globally through the power northern Europeans projected worldwide during much of the Middle Ages and into the modern era. The North Sea was the centre of the Vikings' rise. The Hanseatic League, the Dutch Republic, and the British each sought to gain command of the North Sea and access t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
East Frisian Islands
The East Frisian Islands (German: ''Ostfriesische Inseln'', West Frisian: ''Eastfryske eilannen'', stq, Aastefräiske Ailounds) are a chain of islands in the North Sea, off the coast of East Frisia in Lower Saxony, Germany. The islands extend for some from west to east between the mouths of the Ems and Jade / Weser rivers and lie about 3.5 to 10 km offshore. Between the islands and the mainland are extensive mudflats, known locally as ''Watten'', which form part of the Wadden Sea. In front of the islands are Germany's territorial waters, which occupy a much larger area than the islands themselves. The islands, the surrounding mudflats and the territorial waters (The ''Küstenmeer vor den ostfriesischen Inseln'' nature reserve) form a close ecological relationship. The island group makes up about 5% of the Lower Saxony Wadden Sea National Park. The largest island by surface area is Borkum, located at the western end of the chain; the other six inhabited islands are from w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spiekeroog
Spiekeroog is one of the East Frisian Islands, off the North Sea coast of Germany. It is situated between Langeoog to its west, and Wangerooge to its east. The island belongs to the district of Wittmund, in Lower Saxony in Germany. The only village on the island is also called Spiekeroog. The island is part of the Wadden Sea World Heritage Site by the UNESCO and the Lower Saxon Wadden Sea National Park. Spiekeroog covers an area of 18.25 km2, the shortest distance to the mainland is 5.7 km. The island is, with the exception of electronic cars and fire and rescue vehicles, free of cars. A daily ferry service from the harbour of Neuharlingersiel connects the island with the German mainland. The island is separated from neighbouring Wangerooge by a gat known as the Harle. The origin of the name "Spiekeroog" is disputed. Today, most of its people tend to believe that it is a translation of "storage island". History Spiekeroog was first mentioned in 1398 as the islan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wangerooge
Wangerooge is one of the 32 Frisian Islands in the North Sea located close to the coasts of the Netherlands, Germany and Denmark. It is also a municipality in the district of Friesland in Lower Saxony in Germany. Wangerooge is one of the East Frisian Islands. It is the easternmost and smallest of the inhabited islands in this group (according to some other measurements, Baltrum is the smallest) and the only one that belonged to the historical district of Oldenburg between 1815 and 1947, whereas Borkum, Juist, Norderney, Baltrum, Langeoog and Spiekeroog always belonged to the county of Ostfriesland. As of the census of 2004, the island has 1,055 inhabitants. Especially in summer the island accommodates more than 7,000 visitors a day. Wangerooge is separated from the island of Spiekeroog by a gat known as the Harle. The island is attractive to tourists due to the beaches, various recreation facilities and its relaxed atmosphere. The island's slogan, visible on a sign at the harb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Notice To Mariners
A notice to mariners (NTM or NOTMAR,) advises mariners of important matters affecting navigational safety, including new hydrographic information, changes in channels and aids to navigation, and other important data. Over 60 countries which produce nautical charts also produce a notice to mariners. About one third of these are weekly, another third are bi-monthly or monthly, and the rest irregularly issued according to need. For example, the United Kingdom Hydrographic Office issues weekly updates. United States The U.S. ''Notice to Mariners'' is made available weekly by the National Geospatial-Intelligence Agency (NGA), prepared jointly with the National Ocean Service (NOS) and the U.S. Coast Guard. The information in the ''Notice to Mariners'' is formatted to simplify the correction of paper charts, ''List of Lights'', ''Light Lists'', ''United States Coast Pilots'', and other publications produced by NGA, NOS, and the U.S. Coast Guard. Information for the ''Notice to Mariner ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Groyne
A groyne (in the U.S. groin) is a rigid hydraulic structure built perpendicularly from an ocean shore (in coastal engineering) or a river bank, interrupting water flow and limiting the movement of sediment. It is usually made out of wood, concrete, or stone. In the ocean, groynes create beaches, prevent beach erosion caused by longshore drift where this is the dominant process and facilitate beach nourishment. There is also often cross-shore movement which if longer than the groyne will limit its effectiveness. In a river, groynes slow down the process of erosion and prevent ice-jamming, which in turn aids navigation. Groynes run generally perpendicular to the shore, extending from the upper foreshore or beach into the water. All of a groyne may be underwater, in which case it is a ''submerged groyne''. They are often used in tandem with seawalls and other coastal engineering features. Groynes, however, may cause a shoreline to be perceived as unnatural. Groynes are generally ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
High Tide
Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another. Tide tables can be used for any given locale to find the predicted times and amplitude (or "tidal range"). The predictions are influenced by many factors including the alignment of the Sun and Moon, the phase and amplitude of the tide (pattern of tides in the deep ocean), the amphidromic systems of the oceans, and the shape of the coastline and near-shore bathymetry (see '' Timing''). They are however only predictions, the actual time and height of the tide is affected by wind and atmospheric pressure. Many shorelines experience semi-diurnal tides—two nearly equal high and low tides each day. Other locations have a diurnal tide—one high and low tide each day. A "mixed tide"—two uneven magnitude tides a day—is a third regular category. Tides va ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Niedersachsen Ports
Lower Saxony (german: Niedersachsen ; nds, Neddersassen; stq, Läichsaksen) is a German state (') in northwestern Germany. It is the second-largest state by land area, with , and fourth-largest in population (8 million in 2021) among the 16 ' federated as the Federal Republic of Germany. In rural areas, Northern Low Saxon and Saterland Frisian are still spoken, albeit in declining numbers. Lower Saxony borders on (from north and clockwise) the North Sea, the states of Schleswig-Holstein, Hamburg, , Brandenburg, Saxony-Anhalt, Thuringia, Hesse and North Rhine-Westphalia, and the Netherlands. Furthermore, the state of Bremen forms two enclaves within Lower Saxony, one being the city of Bremen, the other its seaport, Bremerhaven (which is a semi-enclave, as it has a coastline). Lower Saxony thus borders more neighbours than any other single '. The state's largest cities are state capital Hanover, Braunschweig (Brunswick), Lüneburg, Osnabrück, Oldenburg, Hildesheim, Salzgitte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geographic Names Of The German Bight
Geography (from Greek: , ''geographia''. Combination of Greek words ‘Geo’ (The Earth) and ‘Graphien’ (to describe), literally "earth description") is a field of science devoted to the study of the lands, features, inhabitants, and phenomena of Earth. The first recorded use of the word γεωγραφία was as a title of a book by Greek scholar Eratosthenes (276–194 BC). Geography is an all-encompassing discipline that seeks an understanding of Earth and its human and natural complexities—not merely where objects are, but also how they have changed and come to be. While geography is specific to Earth, many concepts can be applied more broadly to other celestial bodies in the field of planetary science. One such concept, the first law of geography, proposed by Waldo Tobler, is "everything is related to everything else, but near things are more related than distant things." Geography has been called "the world discipline" and "the bridge between the human and th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wadden Sea
The Wadden Sea ( nl, Waddenzee ; german: Wattenmeer; nds, Wattensee or ; da, Vadehavet; fy, Waadsee, longname=yes; frr, di Heef) is an intertidal zone in the southeastern part of the North Sea. It lies between the coast of northwestern continental Europe and the range of low-lying Frisian Islands, forming a shallow body of water with tidal flats and wetlands. It has a high biological diversity and is an important area for both breeding and migrating birds. In 2009, the Dutch and German parts of the Wadden Sea were inscribed on UNESCO's World Heritage List and the Danish part was added in June 2014. The Wadden Sea stretches from Den Helder, in the northwest of the Netherlands, past the great river estuaries of Germany to its northern boundary at Skallingen in Denmark along a total coastline of some and a total area of about . Within the Netherlands, it is bounded from the IJsselmeer by the Afsluitdijk. Historically, the coastal regions were often subjected to large floods, r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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