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Seabed mapping in the Pelagie Islands marine protected area (Sicily Channel, southern Mediterranean) using Remote Sensing Object Based Image Analysis (RSOBIA)

Seabed mapping in the Pelagie Islands marine protected area (Sicily Channel, southern Mediterranean) using Remote Sensing Object Based Image Analysis (RSOBIA)
Seabed mapping in the Pelagie Islands marine protected area (Sicily Channel, southern Mediterranean) using Remote Sensing Object Based Image Analysis (RSOBIA)
In this paper we present the seabed maps of the shallow-water areas of Lampedusa and Linosa, belonging to the Pelagie Islands Marine Protected Area. Two surveys were carried out (“Lampedusa 2015” and “Linosa 2016”) to collect bathymetric and acoustic backscatter data through the use of a Reson SeaBat 7125 high-resolution multibeam system. Ground-truth data, in the form of grab samples and diver video-observations, were also collected during both surveys. Sediment samples were analyzed for grain size, while video images were analyzed and described revealing the acoustic seabed and other bio-physical characteristics. A map of seabed classification, including sediment types and seagrass distribution, was produced using the tool Remote Sensing Object Based Image Analysis (RSOBIA) by integrating information derived from backscatter data and bathy-morphological features, validated by ground-truth data. This allows to create a first seabed maps (i.e. benthoscape classification), of Lampedusa and Linosa, at scale 1:20 000 and 1:32 000, respectively, that will be checked and implemented through further surveys. The results point out a very rich and largely variable marine ecosystem on the seabed surrounding the two islands, with the occurrence of priority habitats, and will be of support for a more comprehensive maritime spatial planning of the Marine Protected Area.
0025-3235
1-23
Innangi, Sara
1c603ce6-854e-4bec-a881-982f82874e68
Tonielli, Renato
c27ad861-0e15-43cd-b267-199af7b3c435
Romagnoli, Claudia
8b3a1806-f824-448e-9e3b-04a327f310cb
Budillon, Francesca
0e26dfc3-5757-4950-9a2a-6ec8248a4da8
Di Martino, Gabriella
6dfb738f-8dec-4b9a-a8b5-395cd6570d5f
Innangi, Michele
92864ea5-18a7-4907-a91e-2a99f6d5337c
Laterza, Roberta
f6333c26-3a52-4f71-bd97-87e72f228dcf
Le Bas, Tim
4128286d-8730-4ee8-ba45-2d55b3962701
Lo Iacono, Claudio
2ec2b5f4-a134-462b-b8ba-f7bd757040f5
Innangi, Sara
1c603ce6-854e-4bec-a881-982f82874e68
Tonielli, Renato
c27ad861-0e15-43cd-b267-199af7b3c435
Romagnoli, Claudia
8b3a1806-f824-448e-9e3b-04a327f310cb
Budillon, Francesca
0e26dfc3-5757-4950-9a2a-6ec8248a4da8
Di Martino, Gabriella
6dfb738f-8dec-4b9a-a8b5-395cd6570d5f
Innangi, Michele
92864ea5-18a7-4907-a91e-2a99f6d5337c
Laterza, Roberta
f6333c26-3a52-4f71-bd97-87e72f228dcf
Le Bas, Tim
4128286d-8730-4ee8-ba45-2d55b3962701
Lo Iacono, Claudio
2ec2b5f4-a134-462b-b8ba-f7bd757040f5

Innangi, Sara, Tonielli, Renato, Romagnoli, Claudia, Budillon, Francesca, Di Martino, Gabriella, Innangi, Michele, Laterza, Roberta, Le Bas, Tim and Lo Iacono, Claudio (2018) Seabed mapping in the Pelagie Islands marine protected area (Sicily Channel, southern Mediterranean) using Remote Sensing Object Based Image Analysis (RSOBIA). Marine Geophysical Researches, 1-23. (doi:10.1007/s11001-018-9371-6).

Record type: Article

Abstract

In this paper we present the seabed maps of the shallow-water areas of Lampedusa and Linosa, belonging to the Pelagie Islands Marine Protected Area. Two surveys were carried out (“Lampedusa 2015” and “Linosa 2016”) to collect bathymetric and acoustic backscatter data through the use of a Reson SeaBat 7125 high-resolution multibeam system. Ground-truth data, in the form of grab samples and diver video-observations, were also collected during both surveys. Sediment samples were analyzed for grain size, while video images were analyzed and described revealing the acoustic seabed and other bio-physical characteristics. A map of seabed classification, including sediment types and seagrass distribution, was produced using the tool Remote Sensing Object Based Image Analysis (RSOBIA) by integrating information derived from backscatter data and bathy-morphological features, validated by ground-truth data. This allows to create a first seabed maps (i.e. benthoscape classification), of Lampedusa and Linosa, at scale 1:20 000 and 1:32 000, respectively, that will be checked and implemented through further surveys. The results point out a very rich and largely variable marine ecosystem on the seabed surrounding the two islands, with the occurrence of priority habitats, and will be of support for a more comprehensive maritime spatial planning of the Marine Protected Area.

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More information

Accepted/In Press date: 5 October 2018
e-pub ahead of print date: 13 October 2018

Identifiers

Local EPrints ID: 432832
URI: http://eprints.soton.ac.uk/id/eprint/432832
ISSN: 0025-3235
PURE UUID: ce21dffc-15e2-450a-8fb1-3239735d503b

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Date deposited: 26 Jul 2019 16:30
Last modified: 25 Nov 2021 20:21

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Contributors

Author: Sara Innangi
Author: Renato Tonielli
Author: Claudia Romagnoli
Author: Francesca Budillon
Author: Gabriella Di Martino
Author: Michele Innangi
Author: Roberta Laterza
Author: Tim Le Bas
Author: Claudio Lo Iacono

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