★ Orca Inlet

Orca Inlet

★ Orca Inlet

Orca inlet arm of Prince William sound in southern Alaska. Cordoba was founded on its coast in 1906. All marine traffic reaches the town through orca inlet.


1. Geography. (География)

Orca inlet lies South and East of the island Hawkins 60°3125"N 145°5246"W. At the entrance, about 16 miles 26 km in length running South-West and about 3 miles 4.8 km in width at its widest point. The South end opens into the Gulf of Alaska, while the Northern end connects with orca Bay.

In Cordova, Alaska is located on the southeastern shore of orcas entrance.


2. History. (История)

Orca inlet was listed in the geographic dictionary of Alaska in 1906, with reference to the report of the I. F. Mosers from 1897. Orca Cannery operated on the southern shore of the Bay, there was a post office in this place since 1894. The Odiak plant was located 3 miles 4.8 km South-West of orcas on the site of the present Cordova.

There was another large Pacific razor clams in the intertidal zones of orca inlet which were harvested and sent to Cordoba. Harvest reached 3.5 million pounds to 1.6 million pounds at its peak. The population began to decline in the late 1950-ies. When in 1964 the Good Friday earthquake on shellfish that was raised about 6 feet 1.8 m exposing them from the tidal zone. This led to moderate mortality and eventually the industry crashed.


3. Geology and currents. (Геология и токов)

Like other arms of Prince William sound, orca the entrance to the fjord. There are large areas on the coast with large rounded stones, and many cirques and hanging valleys. Created by glacial erosion the steep walls on the edges of the fjord. In one area at a height of 1600 ft 490 m within 1 ⁄ 2 mile 0.80 km from the coastline. The southern and Central areas were filled with sediment, making the area very shallow. These deposits are the result of the receded glacier that once filled in the fjord, as well as the influx of water through the end of the inlet from the copper river and other smaller glacial streams. These deposits of drift to the West along the coast until they reach the entrance of orca inlet. Orca entrance can serve as an entrance to Prince William sound from the Gulf of Alaska, but the shallow water limits the size of vessels that can use the route. In 1914, two-thirds of the South inlet was generally 12 feet, 3.7 m deep or less with multiple, discrete channels, while the North part was 90 to 228 feet 27 to 69 m deep.

Copper ore was found near the inlet orcas, but little development to mine it.

Tidal current flows South on the flood and North on the ebb. The average speed at the peak of the flood is 1.5 knots 2.8 km / h, mph 1.7 and 0.8 nodes 1.5 km / h, 0.92 miles per hour at the peak of the tide.

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  • frequent the river and the inlet s shores, and the inlet s other wildlife includes wolves, moose, shorebirds, waterfowl, orca killer whale humpback whales
  • had named Orcas Island Hull Island after Commodore Isaac Hull. Other features of Orcas Island named by Wilkes include Ironsides Inlet for East Sound
  • Green Energy Projects get the green light Orca Conservancy. Retrieved 14 October 2016. Admiralty Inlet . New International Encyclopedia. 1905. Coordinates:
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