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A sound is a marine geographic formation located along coastlines worldwide. It is characterised as an inlet of seawater that diverts from the ocean and can take two forms. In the first form, the sound is formed by seawater that moves inland via a river valley, creating a harbour surrounded by hills or mountains. In the second form, seawater completely separates an area of land from a larger land mass, forming an island near the shore. The term 'sound' is derived from the Anglo-Saxon or Old Norse word 'sund', which means 'swimming' or 'gap'.
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What You'll Learn
A sound is a marine geographic formation
In the first form, the sound is created when seawater moves inland through a river valley, resulting in a harbour surrounded by hills or mountains. The second form occurs when seawater completely separates an area of land from a larger land mass, forming an island. Sounds are often filled with multiple islands, and their entrances can vary in number. The term "sound" is interchangeable with other geographic terms like "bay" or "fjord". For example, the Marlborough Sound in New Zealand is bordered by South Island to its south, Tasman Bay to its west, and Cloudy Bay to its east.
The origin of the word "sound" is derived from the Anglo-Saxon or Old Norse word "sund", meaning swimming or strait. In Old Norse and Old English, "sund" also meant "gap" or "narrow access", suggesting a relation to verbs meaning "to separate". Sounds are found in many coastal countries, with the US boasting approximately 39 sounds, and Canada home to around 29.
Sounds can also be the result of glacial erosion, with mountains extending far below the water's surface. When a sound is located inland, the area furthest from the ocean is often deeper than the section closer to the open water. This type of sound is more accurately termed a fjord or fiord. An example of this is found in the sounds of Fiordland, New Zealand, formed by glacial moraine deposits.
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Sounds are found in many coastal countries
Sounds are indeed found in many coastal countries around the world. The term "sound" is derived from the Anglo-Saxon or Old Norse word "sund", which means "swimming" or "strait". In Scandinavian languages, "sund" is also used in place names worldwide, such as "Berings sund" in Swedish and "Gibraltar sund" in Nynorsk. In German, "Sund" is used for place names in the Baltic Sea region.
In geography, a sound is a marine geographic formation characterised by an inlet of seawater that branches off from the main body of the ocean. Sounds typically take one of two forms. In the first form, seawater moves inland through a river valley, creating a harbour surrounded by hills or mountains. In the second form, seawater completely separates an area of land from a larger land mass, forming an island. Sounds can also refer to narrow passages of water between the mainland and an island.
The United States, for example, is home to approximately 39 sounds, many of which are in North Carolina. One of the largest sounds in this state is the Albemarle Sound, formed by the joining of the Roanoke and Chowan Rivers. The Currituck Sound is another example of a sound in North Carolina, created by a long, thin strip of land that separates the water within the sound from the Atlantic Ocean.
Canada is another country with numerous sounds, boasting around 29 in total, many of which are located off the coast of the British Columbia province. Howe Sound, located to the northwest of Vancouver, is characterised by its triangular shape and high mountains. It begins where the Strait of Georgia ends and covers a length of just over 26 miles. Howe Sound contains several islands, the largest of which is Gambier Island, a popular tourist destination.
New Zealand is also home to approximately 10 sounds, the largest of which is the Marlborough Sound. This sound is bordered by South Island to the south, Tasman Bay to the west, and Cloudy Bay to the east. The Marlborough Sound covers an estimated 1,200 square miles and contains over 50 protected natural reserves that are home to various species, including the New Zealand king shag bird.
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The term 'sound' is derived from the Old Norse word 'sund'
The term "sound" in geography refers to a smaller body of water usually connected to a sea or ocean. It may be an inlet, bay, or recessed portion of the ocean. Sounds are often deeper than bights and wider than fjords, with steep, near-vertical sides that extend deep underwater. They are formed by seawater that moves inland through a river valley, creating a harbour surrounded by hills or mountains. Sounds can also completely separate an area of land from a larger land mass, forming an island. Sounds are found in many coastal countries, with the US having around 39, Canada 29, and New Zealand 10.
The term "sound" is derived from the Old Norse word "sund", which means "swimming" or strait. It is also documented in Old Norse and Old English as meaning "gap" or "narrow access", suggesting a relation to verbs meaning "to separate". The word "sund" is used in Scandinavian place names for straits, such as the Øresund between Denmark and Sweden, and in German place names in the Baltic Sea. In Swedish, Norwegian, and Nynorsk, "sund" is the general term for any strait.
The term "sound" has been used in English since the early 14th century, originally referring to a “narrow channel of water". The Old Norse and Old English word "sund" is also related to the Proto-Germanic "*sundam-*", derived from the Germanic "*swem-*" meaning "to move, stir, or swim". This root is also the source of the English verb "swim".
In areas explored by the British in the 18th century, such as the northwest coast of North America, the term "sound" was applied to inlets containing large islands, like Howe Sound in British Columbia and Puget Sound in Washington. It was also used for bodies of water not fully open to the ocean, like Caamaño Sound in Canada, and broadenings at the openings of inlets, like Cross Sound in Alaska. Along the US East Coast and Gulf Coast, sounds separate islands from the mainland, like Long Island Sound and the Mississippi Sound.
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Sounds can be formed by glacial erosion
A sound is a body of water that connects two larger bodies of water, such as oceans or seas. Sounds are often formed by the flooding of river valleys, which creates a waterway between two bodies of water. In geography, sounds can also refer to narrow stretches of water that separate islands or mainland areas. These waterways are often navigable and serve as important routes for transportation and trade. Now, let's discuss how sounds can be formed by glacial erosion in more detail.
Glaciers are large masses of ice that move slowly over land, and they can have a significant impact on the landscape they traverse. One of the ways they shape the earth is through erosion, a process where they scrape and pluck rocks, soil, and other materials from the surface. This process is instrumental in forming various geographical features, including sounds.
When a glacier moves through a landscape, it carves out a path as it erodes the surrounding rock and soil. In the case of sound formation, glaciers often follow the path of a river valley, deepening and widening the existing channel. Over time, this can result in a U-shaped valley with steep sides and a flat floor. If the valley is then inundated with water, perhaps due to rising sea levels or the melting of glacial ice, a sound is created.
The process of glacial erosion that leads to sound formation can occur in several specific ways. One common method is abrasion, where the glacier acts like sandpaper, scraping and smoothing the underlying rock surface. This results in the removal of loose rocks and sediment, leaving a polished and striated surface. Another process is plucking, where glaciers freeze to the rock surface and then lift and carry away pieces of rock as the glacier moves. This creates depressions in the landscape, which can then be filled with water, forming a sound.
The size and depth of a sound formed by glacial erosion depend on various factors, including the size and weight of the glacier, the composition and resistance of the underlying rock, and the climate conditions during and after glaciation. Often, the largest and deepest sounds are formed by the erosion caused by the most massive and slow-moving glaciers. These sounds can be significant, providing essential navigation routes and contributing to the unique geography of an area.
Sounds created by glacial erosion are often found in regions that were previously glaciated, such as Norway, Alaska, and the Canadian Arctic. An excellent example is the famous Inside Passage in Southeast Alaska, a network of sounds and passages that provides a navigable route through the coastal islands. The formation of these sounds has played a crucial role in the region's maritime industry and transportation network.
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Sounds can be found in North America, Canada, New Zealand, and Europe
The term "sound" in geography refers to the narrowest part of a strait or inlet, often containing large islands. Sounds are prevalent in North America, Canada, New Zealand, and parts of Europe.
In North America, sounds are found along the east coast and the Gulf Coast of the United States, separating islands from the mainland. Examples include Long Island Sound and the Outer Banks in North Carolina. The term "sound" is also used for bodies of water that are not fully open to the ocean, such as Caamaño Sound and Queen Charlotte Sound in Canada. Along the Gulf Coast, the Mississippi Sound separates the Gulf of Mexico from the mainland in Alabama and Mississippi.
In Canada, sounds are found on the west coast, particularly in British Columbia. Howe Sound and Fitz Hugh Sound are examples of inlets with large islands.
New Zealand's sounds are primarily located in Fiordland, a mountainous region in the southwest of the South Island. The Marlborough Sounds, a series of deep indentations in the coastline, are also found in New Zealand. These sounds are often referred to as "fjords" or "fiords," reflecting their steep-sided, glacial origins.
In Europe, the usage of the term "sound" varies by region. In Scandinavia and around the Baltic Sea, a "sound" refers to a strait or the narrowest part of a strait. Øresund, separating Denmark and Sweden, is colloquially known as "the Sound." In German, "Sund" is used for place names in the Baltic Sea, while in Swedish and Nynorsk, it is part of worldwide place names, such as "Berings sund."
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Frequently asked questions
A sound is a marine geographic formation located along coastlines worldwide. It is characterised as an inlet of seawater that diverts from the main ocean and may take one of two forms. In the first form, the sound is formed by seawater that moves inland via a river valley, creating a harbour surrounded by hills or mountains. In the second form, the seawater may completely separate an area of land from a larger land mass, forming an island near the shore.
The term 'sound' is derived from the Anglo-Saxon or Old Norse word 'sund', which means 'swimming' or strait. The word 'sund' is also documented in Old Norse and Old English as meaning 'gap' or 'narrow access'.
A sound is usually formed by the flooding of a river valley, whereas a fjord is formed by the flooding of a glacial valley. This means that the topography of a sound is usually less narrow and more gently sloping than a fjord.
