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The Inflow of River Water into Russian Arctic Seas: Its Amount, Long-term and Intraannual Changes.

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Title: The Inflow of River Water into Russian Arctic Seas: Its Amount, Long-term and Intraannual Changes.
Authors: Magritsky, D. V.1 (AUTHOR) magdima@yandex.ru, Frolova, N. L.1 (AUTHOR), Vasilenko, A. N.1 (AUTHOR)
Source: Russian Meteorology & Hydrology. May2025, Vol. 50 Issue 5, p369-381. 13p.
Subject Terms: *Streamflow, *Earth sciences, *Physical geography, *Water management, *Runoff
Abstract: On the basis of the data of runoff observations at 73 gauging stations on the rivers flowing into Russian Arctic seas, long-term series (for 1936–2022) of the annual inflow of river water into the Arctic seas were obtained, and the total annual runoff was estimated at 2775 km3. The runoff from individual areas of the sea coasts, at the outlets, and in the mouths of the main rivers was determined. It was found that the average annual runoff to the seas increased by 238 km3 per year, or by 8.9% as compared to 1936–1988, and 1989 should be considered as a general turning point. The proven increase is provided by the same trends in annual runoff for almost all the rivers in the catchments of Arctic seas, except for the rivers in the northeast of Russia, and by mainly positive trends in seasonal runoff. The statistical structure of long-term fluctuations in annual runoff was studied. It was shown that water management activities almost did not affect the long-term dynamics of annual runoff (except for the Yenisei River), but changed the water regime of many rivers regulated by reservoirs, including the largest ones. [ABSTRACT FROM AUTHOR]
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An: 186644085
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  Data: The Inflow of River Water into Russian Arctic Seas: Its Amount, Long-term and Intraannual Changes.
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  Data: <searchLink fieldCode="AR" term="%22Magritsky%2C+D%2E+V%2E%22">Magritsky, D. V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> magdima@yandex.ru</i><br /><searchLink fieldCode="AR" term="%22Frolova%2C+N%2E+L%2E%22">Frolova, N. L.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Vasilenko%2C+A%2E+N%2E%22">Vasilenko, A. N.</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Russian+Meteorology+%26+Hydrology%22">Russian Meteorology & Hydrology</searchLink>. May2025, Vol. 50 Issue 5, p369-381. 13p.
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  Data: *<searchLink fieldCode="DE" term="%22Streamflow%22">Streamflow</searchLink><br />*<searchLink fieldCode="DE" term="%22Earth+sciences%22">Earth sciences</searchLink><br />*<searchLink fieldCode="DE" term="%22Physical+geography%22">Physical geography</searchLink><br />*<searchLink fieldCode="DE" term="%22Water+management%22">Water management</searchLink><br />*<searchLink fieldCode="DE" term="%22Runoff%22">Runoff</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: On the basis of the data of runoff observations at 73 gauging stations on the rivers flowing into Russian Arctic seas, long-term series (for 1936–2022) of the annual inflow of river water into the Arctic seas were obtained, and the total annual runoff was estimated at 2775 km3. The runoff from individual areas of the sea coasts, at the outlets, and in the mouths of the main rivers was determined. It was found that the average annual runoff to the seas increased by 238 km3 per year, or by 8.9% as compared to 1936–1988, and 1989 should be considered as a general turning point. The proven increase is provided by the same trends in annual runoff for almost all the rivers in the catchments of Arctic seas, except for the rivers in the northeast of Russia, and by mainly positive trends in seasonal runoff. The statistical structure of long-term fluctuations in annual runoff was studied. It was shown that water management activities almost did not affect the long-term dynamics of annual runoff (except for the Yenisei River), but changed the water regime of many rivers regulated by reservoirs, including the largest ones. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
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        Value: 10.3103/S1068373925050012
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      – Code: eng
        Text: English
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        PageCount: 13
        StartPage: 369
    Subjects:
      – SubjectFull: Streamflow
        Type: general
      – SubjectFull: Earth sciences
        Type: general
      – SubjectFull: Physical geography
        Type: general
      – SubjectFull: Water management
        Type: general
      – SubjectFull: Runoff
        Type: general
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      – TitleFull: The Inflow of River Water into Russian Arctic Seas: Its Amount, Long-term and Intraannual Changes.
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              M: 05
              Text: May2025
              Type: published
              Y: 2025
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              Value: 50
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