INVESTIGATION OF THE DYNAMICS OF THE ZAPRIPAJNY POLYNYAS OF THE KARA SEA IN THE WINTER PERIOD
https://doi.org/10.26897/1997-6011-2021-4-110-115
Abstract
The paper presents an analysis of the repeatability and changes in the area of zapripayny polynyas of the Kara Sea in winter. Comparison of areas and repeatability of polynya during the period from 2010 to 2019 and for many years a number of observations from 1980 to 2009 are given. A number of observations of the regime and dynamics of the polynya for the period from 1980 to 2019 were continued. Changes in the regime of zapripayny polynyas, as well as changes in the ice content of the southwestern part of the Kara Sea associated with an increase in the duration of freezing as well as with early breaking of the pripaj and rapid melting of ice were revealed. To obtain data on the areas and repeatability of the polynya, regional maps of ice formations of AANII were used in the format SIGRID-3: A VECTOR ARCHIVE FORMAT FOR SEA ICE CHARTS», in the geographic information system Arc GIS, followed by the creation of an archive of spatial data including information on the areas of stationary zapripayny polynyas. The work also included the use of NOAA-19 satellite images, for working with which the ENVI program was used - a program for visualizing and processing data of the remote sensing of the Earth.
About the Authors
V. E. Putyrsky
Federal State Budgetary Institution of Higher Education «Russian State Agrarian University - MAA named after С .A. Timiryazev»
Russian Federation
Russian Federation
A. V. Yulin
Federal State Budgetary Institution «Arctic and Antarctic Research Institute»
Russian Federation
Russian Federation
E. A. Pavlova
Federal State Budgetary Institution «Arctic and Antarctic Research Institute»
Russian Federation
Russian Federation
V. S. Kashkova
Federal State Budgetary Institution «Arctic and Antarctic Research Institute»
Russian Federation
Russian Federation
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Review
For citations:
Putyrsky V.E., Yulin A.V., Pavlova E.A., Kashkova V.S. INVESTIGATION OF THE DYNAMICS OF THE ZAPRIPAJNY POLYNYAS OF THE KARA SEA IN THE WINTER PERIOD. Prirodoobustrojstvo. 2021;(4):110-115. (In Russ.) https://doi.org/10.26897/1997-6011-2021-4-110-115
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