HYPOX 1 campaign
The design of the benthic observatory GMM that was deployed in Katakolo Bay detects dissolved gases (oxygen, methane, sulfide) with commercially available sensors and additionally records key physicochemical factors (temperature, pressure, conductivity). The GMM observatory successfully performed a long term (22 Sep. to 31 Dec. 2010) monitoring of oxygen in a methane seepage site.
The main objective of the work was to investigate characteristics and temporal evolution of hypoxia occurrence and the role of the respective drivers of oxygen depletion (geographic and oceanographic conditions, anthropogenic forcing, and gas seepage). To investigate the role of gas seepage as a driver of oxygen depletion in more detail, the benthic observatory GMM (Gas Monitoring Module) was deployed for four months in Katakolo Bay.
|technical reference||Giuditta Marinaro (INGV)|
|period||September 22, 2010 - December 31, 2010|
|coordinates||37.6449 N, 21.3198 E (WGS84)|
|METADATA||id||instrument type||instrument model||sampling rate|
|RAW data||QC data||60||CTD||SBE 37-SI||1 sample / min||-|
|RAW data||QC data||65||Current meter||FSI 3D-ACM||2 Hz|
|RAW data||QC data||63||H2S meter||AMT H2S microsensor||1 sample / 5 sec||-|
|RAW data||QC data||61||Methane meter||Franatech METS||1 sample / 5 sec||-|
|RAW data||QC data||62||Methane meter||Franatech METS||1 sample / 5 sec||-|
|RAW data||QC data||66||Oxygen meter||AADI Optode 3830||1 sample / min||-|
|RAW data||QC data||64||Turbidity meter||ECO-BB(RT)D 6000m||1 sample / 5 sec|
|citation||Marinaro, Giuditta. (2010). HYPOX 1 campaign using INGV/GMM seafloor platform during HYPOX project in Ionian Sea lagoons and embayments site (Greek), part of HYPOX network.|