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Tracy Arm is a fjord in the U.S. state of Alaska near Juneau (outlet at 57° 46' 40" N 133° 37' 0" W). It is named after the Secretary of the Navy Benjamin Franklin Tracy.It is located about 45 miles (72 km) south of Juneau and 70 miles (110 km) north of Petersburg, Alaska, off of Holkham Bay and adjacent to Stephens Passage within the Tongass National Forest.
A century later glacier retreat has opened a multi-armed bay more than 30 miles long. The tidewater glacier has divided into three independent glaciers, Yahtse, Tsaa and Guyot Glacier. Other examples of glaciers currently in the retreat phase are South Sawyer and Sawyer Glaciers in Alaska, retreating 2.1 and 2.3 km respectively from 1961 to 2005.
Holkham Bay sits about 45 miles (72 km) south of Juneau, Alaska on the east side of Stephens Passage across from the Class Peninsula of Admiralty Island. Tracy Arm extends to the north from the bay to Sawyer Glacier. Endicott Arm leads southeast from the bay to Dawes Glacier. [1]
Photojournalist Larry Pannell estimates around "two thirds" of the Sawyer Glacier has disappeared since he first visited in 2012.
The southernmost named glacier is the Lilliput Glacier in Tulare County, east of the Central Valley of California. Apart from Alaska, around 1330 glaciers, 1175 perennial snow fields , and 35 buried-ice features have been identified.
[27] The Tracy Arm survey included a mile of water that had been covered by the ice of the Sawyer Glacier at the last survey in 1974. [28] 2019 Puna coast, Hawaii Island: Replacement for NOAAS Hi'ialakai. Surveyed changes to the seafloor caused by the eruption of Kilauea. [29] [30] 2021 Glacier Bay National Park: Surveyed 87 square miles of sea ...
Davis Glacier flows towards the south end of the island, where the Cheetham Ice Tongue covers the sea between the island and the Whitmer Peninsula. [2] Davis Glacier forms in the Prince Albert Mountains to the south of Mount Stephen, Sawyer Nunatak and McDaniel Nunatak, and north of Mount George Murray. [3]
Map of Glacier Bay. Red lines show glacial terminus positions and dates during retreat of the Little Ice Age glacier. There are thousands of glaciers in Alaska but only few have been named. The Columbia Glacier near Valdez in Prince William Sound retreated 15 km (9.3 mi) in the 25 years from 1980 to 2005.