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Draft:Vladimir Nikolayevich Soyfer

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Vladimir Nikolayevich Soyfer
Владимир Николаевич Сойфер
Born(1930-01-20)January 20, 1930
Gorky, Soviet Union
Died2016
NationalityRussian
Alma materMoscow State University
Known forNuclear Geophysics, Isotope Hydrology
AwardsHonored Scientist of the Russian Federation, State Prize of the Russian Federation (2004)
Scientific career
FieldsGeophysics, Oceanology
InstitutionsV. I. Vernadsky Institute of Geochemistry and Analytical Chemistry

Vladimir Nikolayevich Soyfer (January 20, 1930 – 2016) was a Soviet geophysicist, oceanologist, Doctor of Physical and Mathematical Sciences, Professor, and Honored Scientist of the Russian Federation.

Biography

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Vladimir Soyfer was born in 1930 in Gorky into the family of journalist Nikolai (Miron) Ilyich Soifer (1898–1950), originally from Mariupol, and Anna Aleksandrovna Kuznetsova (1902–1975). His brother, Valery Nikolaevich Soyfer (born October 16, 1936), is a Doctor of Physical and Mathematical Sciences, Professor, and an eminent Soviet and American biophysicist, geneticist, and human rights activist.

Soyfer graduated from the Faculty of Physics and Engineering of Moscow State University and began his career in the laboratory of G. N. Flerov at the Institute of Oil of the USSR Academy of Sciences. He pioneered studies on the movement of tritium-labeled formation waters of oil fields and conducted measurements of natural tritium in Eurasian natural waters in 1959.

Soyfer passed away in 2016. His ashes are interred in the columbarium at Preobrazhensky Cemetery.

Awards and Honors

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Scientific Activity

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Soyfer created original installations for low-background measurements of tritium and mass measurements of deuterium using the photoneutron method in natural waters. His early research on hydrogen isotopy led to the development of the concept of using isotopic indicators to study groundwater dynamics. These methods found applications in the oil and mining industries, enabling the assessment of groundwater and pressurized fresh water reserves.

His laboratory controlled tritium contamination in natural environments, developed a national tritium monitoring network, and studied its distribution in precipitation and rivers. Soyfer identified the shielding effect of continents and its influence on isotopic distributions in Northern Hemisphere waters.

He also investigated the meteoric origin of Kamchatka's geyser waters, the genesis of thermal waters at Mendeleev volcano, and brines in Siberia. He contributed to understanding deep water circulation in the ocean, offering a novel hypothesis on the transport speed of North Atlantic deep water.

Soyfer's work also advanced nuclear geophysics, using low-background radiometry to address oceanographic and radioecological challenges. His innovations led to the development of a highly sensitive tritium measuring complex and the Far Eastern Nuclear Explosion Monitoring System.

Controversy

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In the early 2000s, Soyfer faced accusations from the Federal Security Service of divulging state secrets. He was acquitted due to an age-related amnesty and later cleared entirely by a court ruling following a counterclaim.

Legacy

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Soyfer's pioneering research and innovations significantly impacted nuclear geophysics, isotope hydrology, and oceanology. His contributions continue to influence contemporary methodologies for studying water dynamics and environmental monitoring.