edgepedia

Seas, oceans, and coastal waters

877 articles

Botany Bay

Botany Bay (Kamay) is a 39.6 km2 ocean bay 12 km south of Sydney, site of Cook's 1770 landing and the 1788 First Fleet arrival, now home to Port Botany, Sydney Airport, and the Kurnell desalination plant.

Bourgeois Fjord

Bourgeois Fjord (Fiord Bourgeois) is a 50 km-long fjord in Marguerite Bay, western Antarctic Peninsula, dividing Loubet Coast from Fallières Coast. Charted by Charcot's 1908-10 expedition and named for Col. Joseph E. Bourgeois; deglaciated about 9,000 years BP.

Bowers Ridge

Bowers Ridge, Bering Sea: a roughly 700 km arcuate aseismic submarine ridge extending from the Aleutian Ridge, separating the Aleutian and Bowers Basins; an Oligocene-Early Miocene (26-32 Ma) volcanic island arc with a filled fossil trench.

Boyd Strait

Boyd Strait (Estrecho Boyd; Estrecho Larrea) is an Antarctic strait running NW-SE between Smith Island and Snow Island in the South Shetland Islands, charted by James Weddell in 1823 and named for Captain David Boyd, RN.

Bransfield Strait

Bransfield Strait is a roughly 285-mile-long strait between the South Shetland Islands and the Antarctic Peninsula, named by James Weddell for explorer Edward Bransfield around 1825.

Brategg Bank

Brategg Bank is a submarine bank with least depth of 99 m northwest of the Biscoe Islands, Graham Coast, Antarctica; charted 1947-48 by the Norwegian whaling expedition ship Brategg (Kapt. N. Larsen) and named for that vessel.

Brazil Basin

The Brazil Basin is a deep abyssal basin of the western South Atlantic (0–30°S, 15–40°W), over 5000 m deep, receiving Antarctic Bottom Water through the Vema Channel and known for tidally driven mixing over the Mid-Atlantic Ridge flank.

Bristol Bay

Bristol Bay, Alaska: bay and watershed of the eastern Bering Sea, home of the world's largest wild sockeye salmon fishery, 25 federally recognized tribes, and the site of the blocked Pebble mine proposal.

Bristol Channel

Bristol Channel: Atlantic inlet between south Wales and Cornwall, Devon, and Somerset, historically the Severn Sea; with the Severn Estuary it is about 250 km long and has the world's second-highest tidal range, about 12 m mean spring.

Broken Ridge

Broken Ridge is a submerged volcanic plateau in the southeastern Indian Ocean west of Australia, formed by the Kerguelen hotspot and separated from the Kerguelen Plateau about 43 million years ago.

Buli Bay

Buli Bay (Teluk Buli, Baai van Boeli) is a bay on the east coast of Halmahera Island, North Maluku, Indonesia, between the Eastern and Southeastern Peninsulas; its port at Maba serves East Halmahera's nickel industry.

Buls Bay

Buls Bay (Bahía Buls) is a 4 km wide bay indenting the east side of Brabant Island, Palmer Archipelago, Antarctica, at 64°24′S 62°18′W; discovered and named by de Gerlache's 1897–99 Belgian expedition for Charles Buls, Burgomaster of Brussels.

Burden Passage

Burden Passage is a named sea passage in Antarctica at 63°08'S, 56°32'W near the northern Antarctic Peninsula, also called Burden, estrecho or Burden, Paso, listed in the 1989 US Antarctic gazetteer.

Burrard Inlet

Burrard Inlet, called səlilwət by the Tsleil-Waututh Nation, is a fjord forming the waterfront of Vancouver, British Columbia, and the site of the Port of Vancouver, Canada's largest port.

Cabinet Inlet

Cabinet Inlet is a frozen inlet, 36 miles long, on the east coast of Graham Land, Antarctica, one of the main glacier-fed inlets of the Larsen C Ice Shelf.

Cache Creek Ocean

Cache Creek Ocean: ancient Panthalassa ocean basin preserved as the exotic Cache Creek terrane of British Columbia and Yukon, with Tethyan Permian fusuline fossils, blueschist, and Jurassic closure during Intermontane terrane amalgamation.

California Boulder Patch

California Boulder Patch (variant California Boulder) is a named bar or rock group in Wrangell Narrows on the west coast of Mitkof Island, 12 miles south of Petersburg, Alaska, named in 1881 by Lt. Cmdr. H.E. Nichols, USN, presumably for the steamer California.

California Current

The California Current is a cold, equatorward eastern boundary current of the North Pacific gyre along the US West Coast, spanning nearly 3,000 km from British Columbia to Baja California; wind-driven seasonal upwelling fuels one of the world's most productive marine ecosystems.

Campbell Plateau

Campbell Plateau, large submarine continental platform of Zealandia extending southeast from Stewart Island, New Zealand; adjacent to Marie Byrd Land before Late Cretaceous, separated by Pacific-Antarctic spreading at 83-79 Ma.

Canada Basin

Canada Basin is the largest, deepest, and oldest part of the Arctic Ocean's Amerasia Basin, about 1,000,000 km² between 110°–160°W and 70°–85°N, formed by Cretaceous seafloor spreading and hosting the Beaufort Gyre freshwater reservoir.

Canal do Sul

Canal do Sul (Southern Channel), marine channel in Pará, Brazil; entrance channel of the southern arm of the Amazon River north of Ilha do Marajó, least charted depth 5.8 m, max recommended draft 8.2 m; also a namesake channel in Recife, Pernambuco.

Canal Perigoso

Canal Perigoso (Dangerous Channel) is a shallow marine channel in Amapá, Brazil, separating Caviana and Mexiana islands in the Amazon estuary; hazardous to navigate, it links the Canal Norte and Canal Sul.

Canary Basin

The Canary Basin is the region of the eastern North Atlantic off northwest Africa, dominated by the southward Canary Current and monitored for the Atlantic Meridional Overturning Circulation.

Cape Basin

Cape Basin: deep southeast Atlantic ocean basin off southwestern Africa, bounded by the Agulhas and Walvis ridges; opened 126-123 Ma, site of Agulhas leakage, the Cape Cauldron eddy regime, and Benguela upwelling sediments.

Cape Cod Canal

The Cape Cod Canal is a 17.4-mile sea-level waterway in Massachusetts, opened as a private toll canal in 1914 and now run by the US Army Corps of Engineers; the world's widest sea-level canal, crossed by the aging Bourne and Sagamore bridges being replaced.

Cape Verde

Cape Verde (Cabo Verde), ten-island Atlantic archipelago 500 km off West Africa, independent from Portugal since 1975; upper-middle-income since 2025 with a tourism-driven economy, euro-pegged escudo, and Sal and Boa Vista as main tourist islands.

Caribbean Sea

The Caribbean Sea is a tropical sea of the North Atlantic Ocean, also called the American Mediterranean Sea with the Gulf of Mexico, bounded by Central and South America and the West Indies, with coral reefs and the Caribbean Through-Flow feeding the AMOC.

Cascadia Basin

Cascadia Basin (Cascadia Abyssal Plain, Great Trough) is a ~170,000 km² sediment-filled deep-sea basin in the NE Pacific on the Juan de Fuca plate, bounded by the Juan de Fuca Ridge, Blanco fracture zone, and the Cascadia subduction zone.

Caspian Sea (Каспийское море)

Caspian Sea (Каспийское море), world's largest landlocked waterbody, a brackish endorheic lake between Europe and Asia bordered by five states; special legal status under the 2018 Aktau Convention; level now falling up to 30 cm per year.

Causeway Bay

Causeway Bay (銅鑼灣) is a retail district on northern Hong Kong Island in Wan Chai District, shaped by reclamation including the 1908 Tai Koo dockyard scheme, home to the 18-hectare Causeway Bay Typhoon Shelter and its 2022 revitalised waterfront precinct, served by historic trams, and site of the last cleared 2014 Occupy camp.