LO BUE Nadia [Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy] LO BUE Nadia [Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy] https://orcid.org/0000-0002-5160-941X#182 MARINARO Giuditta [Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy] https://orcid.org/0000-0002-6779-279X#193 MARINARO Giuditta [Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy] Istituto Nazionale di Geofisica e Vulcanologia ingv ETIOPE Giuseppe [Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy] https://orcid.org/0000-0001-8614-4221#178 ETIOPE Giuseppe [Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy] 10.1594/pangaea.762969 2021-02-12T00:00:00 {"type": "MultiPolygon","coordinates": [[[ [20.825,38.9907], [20.8317,38.9907], [20.8317,38.9891], [20.825,38.9891], [20.825,38.9907] ]]]} MULTIPOLYGON (((20.8250 38.9907, 20.8317 38.9907, 20.8317 38.9891, 20.8250 38.9891, 20.8250 38.9907))) Scienza e tecnologia Ciencia y tecnología Wissenschaft und Technologie Science and technology Science et technologie ambiente IATROU Margarita [University of Patras, Greece] IATROU Margarita [University of Patras, Greece] https://orcid.org/0000-0001-9400-9310#3102 CHRISTODOULOU Dimitris [University of Patras, Greece] CHRISTODOULOU Dimitris [University of Patras, Greece] https://orcid.org/0000-0002-3012-6865#3083 GERAGA Maria [University of Patras, Greece] GERAGA Maria [University of Patras, Greece] https://orcid.org/0000-0002-6861-2789#3097 2011-01-01T00:00:00 PAPATHEODOROU George [University of Patras, Greece] https://orcid.org/0000-0003-3732-1900#3141 PAPATHEODOROU George [University of Patras, Greece] N/A PANGAEA - Data Publisher for Earth & Environmental Science https://orcid.org/0000-0001-8496-9748#3113 KORDELLA Stavroula [University of Patras, Greece] KORDELLA Stavroula [University of Patras, Greece] ingv http://www.ingv.it/it/ PANGAEA - Data Publisher for Earth & Environmental Science These data have been collected in the framework of the In situ monitoring of oxygen depletion in hypoxic ecosystems of coastal and open seas and land-locked water bodies (HYPOX) CE project. They consist of physical-chemical oceanographic survey monitoring T, S, P, O2, and CH4 concentrations acquired by the MEDUSA system PREVENIOS Michalis [University of Patras, Greece] https://orcid.org/0000-0001-9493-8777#3152 PREVENIOS Michalis [University of Patras, Greece] Physical oceanography and methane concentrations measured with the MEDUSA system on transect Sogono_trans3, Amvrakikos Gulf, Western Greece INGV INGV ingv_607 FAKIRIS Elias [University of Patras, Greece] https://orcid.org/0000-0002-3290-5467#3093 FAKIRIS Elias [University of Patras, Greece]