30 months dataset of glider physico-chemical data off Mayotte Island near the Fani Maore volcano
In May 2018, an unprecedented long and intense seismic-volcanic crisis broke out off the island of Mayotte (Indian Ocean) and was associated with the birth of the Fani Maoré underwater volcano. Since then, an integrated observation network has been created (REVOSIMA), with the given objective of monitoring and better understanding underwater volcanic phenomena. Recently, an unmanned submarine glider (SeaExplorer) has been deployed to supplement the data obtained during oceanographic surveys (MAYOBS) which are carried out on an annual basis. This glider is operated by ALSEAMAR and performed a continuous monitoring of 30 months of the water column with the objective to acquire hydrological properties, water currents and dissolved gas concentrations. This monitoring already showed that it is feasible and valuable to measure autonomously, continuously and at a high spatio-temporal scale, physical (TEMP, SAL, water currents) and biogeochemical parameters (O2, CH4, PCO2, bubbles/droplets, vertical speeds) over several months from a SeaExplorer glider. In particular, innovating sensing capabilities (e.g., MINI-CO2, ADCP) have shown a great potential in the context of the Mayotte seismic volcano crisis, despite technical challenges (complex algorithms, sensor capabilities, etc.). This dataset provides these physical and biogeochemical parameters from September 17, 2021 to April 02, 2024 and the quality flags associated.
Important Note: This submission has been initially submitted to SEA
scieNtific Open data Edition (SEANOE) publication service and received the recorded DOI.
The metadata elements have been further processed (refined) in EMODnet
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Date | 2024-01-01 |
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Date type | Creation: Date identifies when the resource was brought into existence |
Date | 2024-12-06 |
Date type | Revision: Date identifies when the resource was examined or re-examined and improved or amended |
Date | 2025-01-05 |
Date type | Publication: Date identifies when the resource was issued |
Date type | Publication: Date identifies when the resource was issued |
Unique resource identifier | a53ad03f-3939-9393-3939-000000099960 |
Unique resource identifier |
Point of contact
Organisation name | SEA scieNtific Open data Edition |
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Delivery point | By address: IFREMER / IDM / SISMER - Scientific Information Systems for the SEA, IFREMER Centre de Bretagne, ZI Pointe du diable CS 10070 |
City | PLOUZANE |
Postal code | 29280 |
Country | France |
Electronic mail address | data@seanoe.org |
Linkage | https://www.seanoe.org/ |
Role | Publisher: Publisher |
Point of contact
Organisation name | Ifremer, Scientific Information Systems for the sea |
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Delivery point | IFREMER Centre de Bretagne ZI Pointe du diable CS 10070 |
City | PLOUZANE |
Postal code | 29280 |
Country | France |
Electronic mail address | sismer@ifremer.fr |
Linkage | http://data.ifremer.fr/SISMER |
Role | Dataset Holding Organisation: Dataset Holding Organisation |
Point of contact
Organisation name | Ifremer, Scientific Information Systems for the sea |
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Delivery point | IFREMER Centre de Bretagne ZI Pointe du diable CS 10070 |
City | PLOUZANE |
Postal code | 29280 |
Country | France |
Electronic mail address | sismer@ifremer.fr |
Linkage | http://data.ifremer.fr/SISMER |
Role | Author: Party who authored the resource |
Descriptive keywords
GEMET - INSPIRE themes, version 1.0 | |
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SeaDataNet Agreed Parameter Groups |
Dissolved gases
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Acoustics
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Water column temperature and salinity
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Currents
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SeaDataNet device categories |
CTD
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water temperature sensor
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salinity sensor
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dissolved gas sensors
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SeaVoX Device Catalogue |
Sea-Bird SBE 43F Dissolved Oxygen Sensor
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Sea-Bird SBE Glider Payload CTD (GPCTD)
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RBR Legato3 CTD
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JFE Advantech Rinko FT ARO-FT oxygen sensor
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SeaDataNet Parameter Discovery Vocabulary |
Acoustic backscatter in the water column
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Vertical velocity of the water column (currents)
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Salinity of the water column
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Horizontal velocity of the water column (currents)
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Dissolved concentration parameters for other gases in the water column
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Temperature of the water column
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SeaVoX Platform Categories | sub-surface gliders |
MEDIN data format categories | Delimited |
Character set | UTF8: 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 |
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Reference System Information
Anchor | WGS 1984 |
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Hierarchy level | Dataset: Information applies to the dataset |
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Statement | Quality controlled data|In May 2018, an unprecedented long and intense seismic-volcanic crisis broke out off the island of Mayotte (Indian Ocean) and was associated with the birth of the Fani Maoré underwater volcano. Since then, an integrated observation network has been created (REVOSIMA), with the given objective of monitoring and better understanding underwater volcanic phenomena. Recently, an unmanned submarine glider (SeaExplorer) has been deployed to supplement the data obtained during oceanographic surveys (MAYOBS) which are carried out on an annual basis. This glider is operated by ALSEAMAR and performed a continuous monitoring of 30 months of the water column with the objective to acquire hydrological properties, water currents and dissolved gas concentrations. This monitoring already showed that it is feasible and valuable to measure autonomously, continuously and at a high spatio-temporal scale, physical (TEMP, SAL, water currents) and biogeochemical parameters (O2, CH4, PCO2, bubbles/droplets, vertical speeds) over several months from a SeaExplorer glider. In particular, innovating sensing capabilities (e.g., MINI-CO2, ADCP) have shown a great potential in the context of the Mayotte seismic volcano crisis, despite technical challenges (complex algorithms, sensor capabilities, etc.). This dataset provides these physical and biogeochemical parameters from September 17, 2021 to April 02, 2024 and the quality flags associated. |
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File identifier | a53ad03f-3939-9393-3939-000000099960 | ||||||||||||||
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Metadata language | English | ||||||||||||||
Character set | UTF8: 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 | ||||||||||||||
Hierarchy level | Dataset: Information applies to the dataset | ||||||||||||||
Date stamp | 2025-03-13T00:00:00 | ||||||||||||||
Metadata standard name | ISO 19115:2003/19139 | ||||||||||||||
Metadata standard version | 1.0 | ||||||||||||||
Contact
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Associated resources
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