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Differences in acquisition of environmental data in strongly impacted marine sediments using gravity and vibro corers: the case-study of Augusta harbor (Eastern Sicily, Italy)

Differences in acquisition of environmental data in strongly impacted marine sediments using gravity and vibro corers: the case-study of Augusta harbor (Eastern Sicily, Italy)
Differences in acquisition of environmental data in strongly impacted marine sediments using gravity and vibro corers: the case-study of Augusta harbor (Eastern Sicily, Italy)

Sediment cores are used to reconstruct the chronological evolution of contamination in impacted areas while deep core levels may be considered as reference conditions for the assessment of environmental status. For this purpose, the collection of undisturbed cores is essential. Vibro and gravity corers are the most used devices for environmental research. In this study, chemical (Ba, Hg and PCBs) and grain size data obtained by means of gravity (SW-104) and vibro (Rossfelder®) corer from 3 stations of the heavily contaminated Augusta harbor (Sicily, Italy) were considered. Their vertical profiles were compared considering the different technical characteristics of corers, in order to highlight differences in data acquisition. Results showed that, for areas characterized by high sedimentation rates, the vibrocorer is the best choice for the higher penetration capacity. No significant differences were recognized for sediment compaction and potential downward drag of the contaminants.

Contaminated areas, Environmental data, Gravity corer, Marine sediments, Vibrocorer
0263-2241
184-190
Romano, E.
fccb3aef-330d-41c6-8e54-239fc749d3fb
Bergamin, L.
f39c2f27-7b1b-4bfb-974b-55b14ff085ab
Celia Magno, M.
8f99987c-5e9f-4363-acec-dae520aea1fb
Ausili, A.
67ec198b-faa7-401e-bee3-2a954585a855
Gabellini, M.
5afb58c4-f695-4106-a04b-379ea07cbce3
Croudace, I.W.
24deb068-d096-485e-8a23-a32b7a68afaf
Romano, E.
fccb3aef-330d-41c6-8e54-239fc749d3fb
Bergamin, L.
f39c2f27-7b1b-4bfb-974b-55b14ff085ab
Celia Magno, M.
8f99987c-5e9f-4363-acec-dae520aea1fb
Ausili, A.
67ec198b-faa7-401e-bee3-2a954585a855
Gabellini, M.
5afb58c4-f695-4106-a04b-379ea07cbce3
Croudace, I.W.
24deb068-d096-485e-8a23-a32b7a68afaf

Romano, E., Bergamin, L., Celia Magno, M., Ausili, A., Gabellini, M. and Croudace, I.W. (2018) Differences in acquisition of environmental data in strongly impacted marine sediments using gravity and vibro corers: the case-study of Augusta harbor (Eastern Sicily, Italy). Measurement: Journal of the International Measurement Confederation, 124, 184-190. (doi:10.1016/j.measurement.2018.04.025).

Record type: Article

Abstract

Sediment cores are used to reconstruct the chronological evolution of contamination in impacted areas while deep core levels may be considered as reference conditions for the assessment of environmental status. For this purpose, the collection of undisturbed cores is essential. Vibro and gravity corers are the most used devices for environmental research. In this study, chemical (Ba, Hg and PCBs) and grain size data obtained by means of gravity (SW-104) and vibro (Rossfelder®) corer from 3 stations of the heavily contaminated Augusta harbor (Sicily, Italy) were considered. Their vertical profiles were compared considering the different technical characteristics of corers, in order to highlight differences in data acquisition. Results showed that, for areas characterized by high sedimentation rates, the vibrocorer is the best choice for the higher penetration capacity. No significant differences were recognized for sediment compaction and potential downward drag of the contaminants.

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2018_Measurement_Romano_et_al_Croudace - Accepted Manuscript
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More information

Accepted/In Press date: 9 April 2018
e-pub ahead of print date: 10 April 2018
Published date: 1 August 2018
Keywords: Contaminated areas, Environmental data, Gravity corer, Marine sediments, Vibrocorer

Identifiers

Local EPrints ID: 420498
URI: http://eprints.soton.ac.uk/id/eprint/420498
ISSN: 0263-2241
PURE UUID: 3334ef57-50f6-4720-9e36-5f057019333d

Catalogue record

Date deposited: 09 May 2018 16:30
Last modified: 07 Oct 2020 06:43

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