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Environmental Science and Pollution Research

, Volume 25, Issue 31, pp 31569–31578 | Cite as

Distribution of beryllium-7 (7Be) in the Black Sea in the summer of 2016

  • Dmitrii A. Kremenchutskii
Research Article
  • 44 Downloads

Abstract

The spatial distribution of 7Be activity in the surface layer of the Black Sea was studied using the data of field observations made during the 87th cruise of R/V Professor Vodyanitskii. Activity of 7Be varied spatially from 4.6 to 9.5 Bq m−3 (mean 7.5 ± 1.3 Bq m−3) where about 9% was found on suspended matter. The minimum values of activity were typical for samples taken in the shelf waters and the maximum—offshore. The influence of different factors on 7Be activity was analyzed. It was revealed that variation of both 7Be wet deposition on the sea surface and concentration of suspended matter were the most significant for spatiotemporal variability of 7Be activity in seawater during the study period. The estimates of 7Be distribution coefficient between dissolved and particulate forms were obtained. This coefficient varied from 1.5·105 to 2.4·105 L kg−1, averaged (1.9 ± 0.3)·105 L kg−1.

Keywords

Beryllium-7 (7Be) Black Sea Surface layer Spatial distribution Partition coefficient Marine tracer 

Notes

Acknowledgments

The author wish to thank the captain and crew of R/V Professor Vodyanitskii for their able field support and Mr. S. Shutov for CTD data and Mr. S. Stanichny for SKIRON reanalysis data. The author is grateful to Mr. G. Batrakov and anonymous reviewers for their helpful comments and suggestions. Ms. A. Arbuzova and Ms. T. Ivanova provided important laboratory technical assistance. This research was conducted within the state assignment of the Federal Agency for Scientific Organizations (FASO Russia) (theme “Oceanological processes” No. 0827-2018-0003).

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Federal State Budget Scientific Institution “Marine Hydrophysical Institute of RAS”SevastopolRussian Federation

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