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The Northwest Passage (NWP) is the sea lane between the Atlantic and Pacific oceans through the Arctic Ocean, along the northern coast of North America via waterways through the Arctic Archipelago of Canada. The eastern route along the Arctic coasts of Norway and Siberia is accordingly called the Northeast Passage (NEP). The various islands of the archipelago are separated from one another and from Mainland Canada by a series of Arctic waterways collectively known as the Northwest Passages, Northwestern Passages or the Canadian Internal Waters.
Puget Sound is a complex estuarine system of interconnected marine waterways and basins located on the northwest coast of the U.S. state of Washington. As a part of the Salish Sea, the sound has one major and two minor connections to the Strait of Juan de Fuca, which in turn connects to the open Pacific Ocean. The major connection is Admiralty Inlet; the minor connections are Deception Pass and the Swinomish Channel.
Ellesmere Island is Canada's northernmost and third largest island, and the tenth largest in the world. It comprises an area of 196,236 km2 (75,767 sq mi), slightly smaller than Great Britain, and the total length of the island is 830 km (520 mi).
The Strait of Georgia or the Georgia Strait is an arm of the Salish Sea between Vancouver Island and the extreme southwestern mainland coast of British Columbia, Canada, and the extreme northwestern mainland coast of Washington, United States. It is approximately 240 kilometres (150 mi) long and varies in width from 20 to 58 kilometres. Along with the Strait of Juan de Fuca and Puget Sound, it is a constituent part of the Salish Sea.
Baffin Bay, located between Baffin Island and the west coast of Greenland, is defined by the International Hydrographic Organization as a marginal sea of the Arctic Ocean. It is sometimes considered a sea of the North Atlantic Ocean. It is connected to the Atlantic via Davis Strait and the Labrador Sea. The narrower Nares Strait connects Baffin Bay with the Arctic Ocean. The bay is not navigable most of the year because of the ice cover and high density of floating ice and icebergs in the open areas. However, a polynya of about 80,000 km2 (31,000 sq mi), known as the North Water, opens in summer on the north near Smith Sound. Most of the aquatic life of the bay is concentrated near that region.
Devon Island is an island in Canada and the largest uninhabited island in the world. It is located in Baffin Bay, Qikiqtaaluk Region, Nunavut, Canada. It is one of the largest members of the Arctic Archipelago, the second-largest of the Queen Elizabeth Islands, Canada's sixth-largest island, and the 27th-largest island in the world. It has an area of 55,247 km2 (21,331 sq mi). The bedrock is Precambrian gneiss and Paleozoic siltstones and shales. The highest point is the Devon Ice Cap at 1,920 m (6,300 ft) which is part of the Arctic Cordillera. Devon Island contains several small mountain ranges, such as the Treuter Mountains, Haddington Range and the Cunningham Mountains. The notable similarity of its surface to that of Mars has attracted interest from scientists.
The Inside Passage is a coastal route for ships and boats along a network of passages which weave through the islands on the Pacific Northwest coast of the North American Fjordland. The route extends from southeastern Alaska in the United States, through western British Columbia in Canada, to northwestern Washington state in the United States. Ships using the route can avoid some of the bad weather in the open ocean and may visit some of the many isolated communities along the route. The Inside Passage is heavily travelled by cruise ships, freighters, tugs with tows, fishing craft, pleasure craft, and ships of the Alaska Marine Highway, BC Ferries, and Washington State Ferries systems. Coast Guard vessels of both Canada and the United States patrol and transit in the Passage.
Queen Charlotte Strait is a strait between Vancouver Island and the mainland of British Columbia, Canada. It connects Queen Charlotte Sound with Johnstone Strait and Discovery Passage and via them to the Strait of Georgia and Puget Sound. It forms part of the Inside Passage from Washington to Alaska. The term Queen Charlotte Strait is also used to refer to the general region and its many communities, notably of the Kwakwakaʼwakw peoples. Despite its name, Queen Charlotte Strait does not lie between Haida Gwaii and the mainland; that body of water is named Hecate Strait.
The Prince of Wales Strait is a strait in the Northwest Territories of Canada separating Banks Island to the northwest from Victoria Island to the southeast. It extends from Viscount Melville Sound in the northeast to Amundsen Gulf in the southwest. From late winter, it is filled by ice that usually does not break up until August, if at all. Its namesake, Prince of Wales Island, lies over 200 mi (320 km) to the east.
Raja Ampat, or the Four Kings, is an archipelago located off of the northwest tip of Bird's Head Peninsula, Southwest Papua province, Indonesia. It comprises over 1,500 small islands, cays, and shoals around the four main islands of Misool, Salawati, Batanta, and Waigeo, and the smaller island of Kofiau.
Salawati is one of the four major islands in the Raja Ampat Islands in Southwest Papua, Indonesia. Its area is 1,623 km2. Salawati is separated from New Guinea to the southeast by the Sele Strait, and from Batanta to the north by the Pitt Strait.
Batanta is one of the four major islands in the Raja Ampat Islands in Southwest Papua province, Indonesia. Its area is 479.5 km2 and its highest point is 1184 m. The Pitt Strait separates it from Salawati Island, while the Dampier Strait separates it from Waigeo Island.
The Parry Channel is a natural waterway through the central Canadian Arctic Archipelago. Its eastern two-thirds lie in the territory of Nunavut, while its western third lies in the Northwest Territories. It runs east to west, connecting Baffin Bay in the east with the Beaufort Sea in the west. Its eastern end is the only practical entrance to the Northwest Passage. Its western end would be a natural exit from the archipelago were it not filled with ice. The channel separates the Queen Elizabeth Islands to the north from the rest of Nunavut.
Pitt Strait (Indonesia), falls within the waters of the Indonesian province of Southwest Papua. The strait separates the Raja Ampat islands of Batanta and Salawati and links the Ceram Sea to the Pacific Ocean. To its west lies Dampier Strait, which separates Batanta island from Waigeo island. The Sagewin Strait name refers to Sagewin Island, which lies at the south east side of Pitt Strait, close to Salawati.
The Canadian Arctic Rift System is a major North American geological structure extending from the Labrador Sea in the southeast through Davis Strait, Baffin Bay and the Arctic Archipelago in the northwest. It consists of a series of interconnected rifts that formed during the Paleozoic, Mesozoic and Cenozoic eras. Extensional stresses along the entire length of the rift system have resulted in a variety of tectonic features, including grabens, half-grabens, basins and faults.