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Satellite Multi/Hyper Spectral HR Sensors for Mapping the Posidonia oceanica in South Mediterranean Islands

Author

Listed:
  • Flavio Borfecchia

    (External ENEA Collaborator, Via Anguillarese 183, 00060 Rome, Italy)

  • Carla Micheli

    (ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, SSPT & TERIN Departements, Research Center Casaccia, Via Anguillarese, 301, 00123 Rome, Italy)

  • Luigi De Cecco

    (External ENEA Collaborator, Via Anguillarese 183, 00060 Rome, Italy)

  • Gianmaria Sannino

    (ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, SSPT & TERIN Departements, Research Center Casaccia, Via Anguillarese, 301, 00123 Rome, Italy)

  • Maria Vittoria Struglia

    (ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, SSPT & TERIN Departements, Research Center Casaccia, Via Anguillarese, 301, 00123 Rome, Italy)

  • Alcide Giorgio Di Sarra

    (ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, SSPT & TERIN Departements, Research Center Casaccia, Via Anguillarese, 301, 00123 Rome, Italy)

  • Carlo Gomez

    (Cantieri Navali Esposito S.n.c., Via Borgo Italia, 91017 Pantelleria, Italy)

  • Giuliana Mattiazzo

    (Mechanical Engineering Department, Polytechnique University of Turin, C. Duca degli Abruzzi 24, 10129 Turin, Italy)

Abstract

The Mediterranean basin is a hot spot of climate change where the Posidonia oceanica (L.) Delile (PO) and other seagrasses are under stress due to its effect on marine coastal habitats and the rising influence of anthropogenic activities (i.e., tourism, fishery). The PO and seabed ecosystems, in the coastal environments of Pantelleria and Lampedusa, suffer additional growing impacts from tourism in synergy with specific stress factors due to increasing vessel traffic for supplying potable water and fossil fuels for electrical power generation. Earth Observation (EO) data, provided by high resolution (HR) multi/hyperspectral operative satellite sensors of the last generation (i.e., Sentinel 2 MSI and PRISMA) have been successfully tested, using innovative calibration and sea truth collecting methods, for monitoring and mapping of PO meadows under stress, in the coastal waters of these islands, located in the Sicily Channel, to better support the sustainable management of these vulnerable ecosystems. The area of interest in Pantelleria was where the first prototype of the Italian Inertial Sea Wave Energy Converter (ISWEC) for renewable energy production was installed in 2015, and sea truth campaigns on the PO meadows were conducted. The PO of Lampedusa coastal areas, impacted by ship traffic linked to the previous factors and tropicalization effects of Italy’s southernmost climate change transitional zone, was mapped through a multi/hyper spectral EO-based approach, using training/testing data provided by side scan sonar data, previously acquired. Some advanced machine learning algorithms (MLA) were successfully evaluated with different supervised regression/classification models to map seabed and PO meadow classes and related Leaf Area Index (LAI) distributions in the areas of interest, using multi/hyperspectral data atmospherically corrected via different advanced approaches.

Suggested Citation

  • Flavio Borfecchia & Carla Micheli & Luigi De Cecco & Gianmaria Sannino & Maria Vittoria Struglia & Alcide Giorgio Di Sarra & Carlo Gomez & Giuliana Mattiazzo, 2021. "Satellite Multi/Hyper Spectral HR Sensors for Mapping the Posidonia oceanica in South Mediterranean Islands," Sustainability, MDPI, vol. 13(24), pages 1-27, December.
  • Handle: RePEc:gam:jsusta:v:13:y:2021:i:24:p:13715-:d:700654
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    References listed on IDEAS

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    1. Arturo Zenone & Carlo Pipitone & Giovanni D’Anna & Barbara La Porta & Tiziano Bacci & Fabio Bertasi & Claudia Bulleri & Anna Cacciuni & Sebastiano Calvo & Stefano Conconi & Maria Flavia Gravina & Ceci, 2021. "Stakeholders’ Attitudes about the Transplantations of the Mediterranean Seagrass Posidonia oceanica as a Habitat Restoration Measure after Anthropogenic Impacts: A Q Methodology Approach," Sustainability, MDPI, vol. 13(21), pages 1-13, November.
    2. Charnsmorn Hwang & Chih-Hua Chang & Michael Burch & Milena Fernandes & Tim Kildea, 2019. "Spectral Deconvolution for Dimension Reduction and Differentiation of Seagrasses: Case Study of Gulf St. Vincent, South Australia," Sustainability, MDPI, vol. 11(13), pages 1-14, July.
    3. Ryan Hastings & Valerie Cummins & Paul Holloway, 2020. "Assessing the Impact of Physical and Anthropogenic Environmental Factors in Determining the Habitat Suitability of Seagrass Ecosystems," Sustainability, MDPI, vol. 12(20), pages 1-17, October.
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