The geochemical characteristics of the bottom sediment in the pockmark area of the eastern part of the Gulf of Finland

It is the first time pockmark-like structures have been detected in the south-eastern part of the Gulf of Finland with the help of a side-scan sonar and a profile recorder. The analysis of the distribution of microcomponents in the bottom sediment indicates that the pockmark area is located in the g...

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Main Authors: Ivanova Varvara, Kirievskaya Dubrava, Bolotov Alexander
Format: Article
Language:English
Published: Immanuel Kant Baltic Federal University 2011-03-01
Series:Baltic Region
Subjects:
Online Access:https://journals.kantiana.ru/upload/iblock/578/Varvara%20Ivanova_68-79.pdf
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author Ivanova Varvara
Kirievskaya Dubrava
Bolotov Alexander
author_facet Ivanova Varvara
Kirievskaya Dubrava
Bolotov Alexander
author_sort Ivanova Varvara
collection DOAJ
description It is the first time pockmark-like structures have been detected in the south-eastern part of the Gulf of Finland with the help of a side-scan sonar and a profile recorder. The analysis of the distribution of microcomponents in the bottom sediment indicates that the pockmark area is located in the geochemical barrier border zone where the reducing medium of the incoming mineralized solution meets the highly oxidizing sea water medium. The hydrodynamic and geochemical processes in the pockmark zone create focal areas of anomalous microenvironment and affect the composition and development of benthos.
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spelling doaj.art-63480f0c2ef64426b87866bfb442da0c2022-12-21T19:11:23ZengImmanuel Kant Baltic Federal UniversityBaltic Region2079-85552310-05242011-03-0131687910.5922/2079-8555-2011-1-9The geochemical characteristics of the bottom sediment in the pockmark area of the eastern part of the Gulf of FinlandIvanova VarvaraKirievskaya DubravaBolotov Alexander It is the first time pockmark-like structures have been detected in the south-eastern part of the Gulf of Finland with the help of a side-scan sonar and a profile recorder. The analysis of the distribution of microcomponents in the bottom sediment indicates that the pockmark area is located in the geochemical barrier border zone where the reducing medium of the incoming mineralized solution meets the highly oxidizing sea water medium. The hydrodynamic and geochemical processes in the pockmark zone create focal areas of anomalous microenvironment and affect the composition and development of benthos.https://journals.kantiana.ru/upload/iblock/578/Varvara%20Ivanova_68-79.pdfpockmarkBaltic Seageochemical barrierrare earth elements
spellingShingle Ivanova Varvara
Kirievskaya Dubrava
Bolotov Alexander
The geochemical characteristics of the bottom sediment in the pockmark area of the eastern part of the Gulf of Finland
Baltic Region
pockmark
Baltic Sea
geochemical barrier
rare earth elements
title The geochemical characteristics of the bottom sediment in the pockmark area of the eastern part of the Gulf of Finland
title_full The geochemical characteristics of the bottom sediment in the pockmark area of the eastern part of the Gulf of Finland
title_fullStr The geochemical characteristics of the bottom sediment in the pockmark area of the eastern part of the Gulf of Finland
title_full_unstemmed The geochemical characteristics of the bottom sediment in the pockmark area of the eastern part of the Gulf of Finland
title_short The geochemical characteristics of the bottom sediment in the pockmark area of the eastern part of the Gulf of Finland
title_sort geochemical characteristics of the bottom sediment in the pockmark area of the eastern part of the gulf of finland
topic pockmark
Baltic Sea
geochemical barrier
rare earth elements
url https://journals.kantiana.ru/upload/iblock/578/Varvara%20Ivanova_68-79.pdf
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