Avgust Karlovich Tsivolko, also spelled as Tsivolka (1810 – March 28 (O.S. March 16), 1839) was a Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n navigator

Navigator

A navigator is the person on board a ship or aircraft responsible for its navigation. The navigator's primary responsibility is to be aware of ship or aircraft position at all times. Responsibilities include planning the journey, advising the Captain or aircraft Commander of estimated timing to...

 and Arctic

Arctic

The Arctic is a region located at the northern-most part of the Earth. The Arctic consists of the Arctic Ocean and parts of Canada, Russia, Greenland, the United States, Norway, Sweden, Finland, and Iceland. The Arctic region consists of a vast, ice-covered ocean, surrounded by treeless permafrost...

 explorer.

In 1834-1835, Avgust Tsivolko took part in the Pakhtusov expedition towards Novaya Zemlya

Novaya Zemlya

Novaya Zemlya , also known in Dutch as Nova Zembla and in Norwegian as , is an archipelago in the Arctic Ocean in the north of Russia and the extreme northeast of Europe, the easternmost point of Europe lying at Cape Flissingsky on the northern island...

. In 1837, Tsivolko commanded a schooner

Schooner

A schooner is a type of sailing vessel characterized by the use of fore-and-aft sails on two or more masts with the forward mast being no taller than the rear masts....

 named Krotov during the Baer

Karl Ernst von Baer

Karl Ernst Ritter von Baer, Edler von Huthorn also known in Russia as Karl Maksimovich Baer was an Estonian naturalist, biologist, geologist, meteorologist, geographer, a founding father of embryology, explorer of European Russia and Scandinavia, a member of the Russian Academy of Sciences, a...

 expedition towards Novaya Zemlya. He was the one to map the Matochkin Strait

Matochkin Strait

Matochkin Strait or Matochkin Shar is a strait between the Severny and Yuzhny Islands of Novaya Zemlya. It connects the Barents Sea and the Kara Sea. The banks along the strait are high and steep. Its length is approximately and its width in its narrowest part is approximately . The strait is...

 in the course of this expedition. In 1838 Tsivolko was put in charge of the mapping expedition and sent towards the northern and northeastern shores of Novaya Zemlya.

Avgust Tsivolko died of scurvy

Scurvy

Scurvy is a disease resulting from a deficiency of vitamin C, which is required for the synthesis of collagen in humans. The chemical name for vitamin C, ascorbic acid, is derived from the Latin name of scurvy, scorbutus, which also provides the adjective scorbutic...

 during this expedition.

A gulf in the Kara Sea

Kara Sea

The Kara Sea is part of the Arctic Ocean north of Siberia. It is separated from the Barents Sea to the west by the Kara Strait and Novaya Zemlya, and the Laptev Sea to the east by the Severnaya Zemlya....

 and a group of islands in the Nordenskiöld Archipelago

Nordenskiöld Archipelago

The Nordenskiöld Archipelago or Nordenskjold Archipelago is a very large and complex cluster of islands in the eastern region of the Kara Sea. Its eastern limit lies west of the Taymyr Peninsula....

are named after Avgust Tsivolko.