https://orcid.org/0000-0001-9400-9310#3102 IATROU Margarita [University of Patras, Greece] IATROU Margarita [University of Patras, Greece] CHRISTODOULOU Dimitris [University of Patras, Greece] CHRISTODOULOU Dimitris [University of Patras, Greece] https://orcid.org/0000-0002-3012-6865#3083 ingv http://www.ingv.it/it/ PANGAEA - Data Publisher for Earth & Environmental Science INGV INGV ingv_622 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 Ciencia y tecnología Science et technologie Wissenschaft und Technologie Scienza e tecnologia Science and technology Physical oceanography and methane concentrations measured with the MEDUSA system on transect Katakolo_trans14, Katakolo Bay, Western Greece MARINARO Giuditta [Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy] MARINARO Giuditta [Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy] https://orcid.org/0000-0002-6779-279X#193 MULTIPOLYGON (((21.3211 37.6397, 21.3216 37.6397, 21.3216 37.6396, 21.3211 37.6396, 21.3211 37.6397))) {"type": "MultiPolygon","coordinates": [[[ [21.3211,37.6397], [21.3216,37.6397], [21.3216,37.6396], [21.3211,37.6396], [21.3211,37.6397] ]]]} FAKIRIS Elias [University of Patras, Greece] FAKIRIS Elias [University of Patras, Greece] https://orcid.org/0000-0002-3290-5467#3093 PAPATHEODOROU George [University of Patras, Greece] https://orcid.org/0000-0003-3732-1900#3141 PAPATHEODOROU George [University of Patras, Greece] ETIOPE Giuseppe [Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy] ETIOPE Giuseppe [Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy] https://orcid.org/0000-0001-8614-4221#178 N/A PANGAEA - Data Publisher for Earth & Environmental Science 10.1594/pangaea.763002 GERAGA Maria [University of Patras, Greece] GERAGA Maria [University of Patras, Greece] https://orcid.org/0000-0002-6861-2789#3097 ambiente PREVENIOS Michalis [University of Patras, Greece] https://orcid.org/0000-0001-9493-8777#3152 PREVENIOS Michalis [University of Patras, Greece] 2021-02-12T00:00:00 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 ingv Istituto Nazionale di Geofisica e Vulcanologia 2011-01-01T00:00:00 KORDELLA Stavroula [University of Patras, Greece] KORDELLA Stavroula [University of Patras, Greece] https://orcid.org/0000-0001-8496-9748#3113