Control mechanisms on the reactive silicate fluxes by using on board resuspension experiments in the eutrophicated coastal environment

Özkan, Ebru Y.; Buyukisik, Hasan B.

doi:10.26881/oahs-2023.3.08

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Control mechanisms on the reactive silicate fluxes by using on board resuspension experiments in the eutrophicated coastal environment

Oceanological and Hydrobiological Studies

Volume 52 (2023): Issue 3 (September 2023)

By: Ebru Y. Özkan and Hasan B. Buyukisik

Open Access

|Oct 2023

Figures & Tables

Seasonal CO3-2 distributions in sediment in the Gulf of İzmir Inner Bay

Seasonal orgC distributions in sediment in the Gulf of İzmir Inner Bay

Seasonal Mn distributions in sediment in the Gulf of İzmir Inner Bay

Seasonal BSi distributions in sediment in the Gulf of İzmir Inner Bay

Seasonal chl-a distributions in sediment in the Gulf of İzmir Inner Bay

Distributions of dark-net silica fluxes in sediment in the Gulf of İzmir Inner Bay

Relationships of silica flux in sediment and pore water silicate concentrations (Büyükışık et al. 2015)

Relationships of biogenic silica and CaCO3-2 concentrations in sediment

Relationships of biogenic silica against Chl-a concentrations in sediment

Relationships of Ca(%) and Ti(%) concentrations in sediment

Relationships of Mn (ppm) and CO3-2 (%) concentrations in sediment

a - Relationships of silica flux dark net (μmol Si/m2 day) and BSi (%) concentrations in sediment in winter; b - Relationships of silica flux dark net (μmol Si/m2 day) and CO3-2 (%) concentrations in sediment in winter.

a - Relationships of silica flux dark net (μmol Si/m2 day) and OrgC (%) concentrations in sediment in winter; b - Relationships of silica flux dark net (μmol Si/m2 day) and Mn (ppm) concentrations in sediment in winter.

a - Relationships of silica flux dark net (μmol Si/m2 day) and BSi (%) concentrations in sediment in spring; b - Relationships of silica flux dark net (μmol Si/m2 day) and CO3-2 (%) concentrations in sediment in spring; c - Relationships of silica flux dark net (μmol Si/m2 day) and OrgC (%) concentrations in sediment in spring; d - Relatinships of silica flux dark net (μmol Si/m2 day) and Mn (ppm) concentrations in sediment in spring.

a - Relationships of silica flux dark net (μmol Si/ m2 day) and CO3-2 (%) concentrations in sediment in summer; b - Relationships of silica flux dark net (μmol Si/ m2 day) and OrgC (%) concentrations in sediment in summer.

a - Relationships of silica flux dark net (μmol Si/m2 day) and BSi (%) concentrations in sediment in autumn; b - Relationships of silica flux dark net (μmol Si/m2 day) and CO3-2 (%) concentrations in sediment in autumn; c - Relationships of silica flux dark net (μmol Si/m2 day) and OrgC (%) concentrations in sediment in autumn; d - Relatinships of silica flux dark net (μmol Si/m2 day) and Mn (ppm) concentrations in sediment in autumn.

Parameters (a and b), correlation coefficients (r) and R2 values obtained from linear regression analysis between titanium (%) and carbonate (%)

CO₃^-2 = a ± b * Ti				r
Seasons	a	b	R²	r
Winter	11.288	-24.432	30.058	0.554
Spring	-	-	-	-
Summer	10.058	-17.552	48.329	0.693
Autumn	12.048	-24.162	65.813	0.811

Parameters (a and b), correlation coefficients (r) and R2 values obtained from linear regression analysis between titanium (%) and biogenic silica (%)

BSi = a ± b * Ti				r
Seasons	a	b	R²	r
Winter	-	-	-	-
Spring	10.888	-219.094	18.583	0.433
Summer	13.759	-310.132	20.385	0.451
Autumn	-	-	-	-

DOI: https://doi.org/10.26881/oahs-2023.3.08 | Journal eISSN: 1897-3191 | Journal ISSN: 1730-413X

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Language: English

Page range: 343 - 365

Submitted on: Feb 22, 2023

Accepted on: Jun 13, 2023

Published on: Oct 9, 2023

Published by: University of Gdańsk

In partnership with: Paradigm Publishing Services

Publication frequency: 4 issues per year

Keywords:

Resuspension,

Reactive silica flux,

Carbonate precipitation,

Related subjects:

© 2023 Ebru Y. Özkan, Hasan B. Buyukisik, published by University of Gdańsk
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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Control mechanisms on the reactive silicate fluxes by using on board resuspension experiments in the eutrophicated coastal environment

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Parameters (a and b), correlation coefficients (r) and R2 values obtained from linear regression analysis between titanium (%) and carbonate (%)

Parameters (a and b), correlation coefficients (r) and R2 values obtained from linear regression analysis between titanium (%) and biogenic silica (%)

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