http://www.moist.it 2026-04-25T20:06:59+00:00 INGV Integrated Systems for Marine Environmental Infrastructures (SIIAM) paolo.favali@ingv.it MOIST Dataset feed http://www.moist.it/images/MOIST.ico http://www.moist.it/images/IEEG.jpg Creative Commons Attribution 4.0 International License (CC BY 4.0) MOIST has been the contribution of INGV to the data dissemination within the ESONET NoE EC project (2007-2011) and is the web interface for the management of the seafloor marine multidiscinary data and metadata related to GEOSTAR-type observatories used in the ESONET Demonstration Mission. MOIST also include the seafloor data acquired by the observatories by INGV from 1998. MOIST allows the access through the following selection criteria: site; time interval; instrument / sensor / parameter; project / campaign. The web interface allows the submissions of queries for data download. MOIST intends to host all the data and metadata coming from EMSO ESFRI and hopefully all collaborating projects. Current areas with data: East Sicily, East Sicily, Greek, Gulf of Cadiz, Marmara Sea, Marsili Basin, Weddell Sea. 1 0 999999 http://www.moist.it/sites/marmara_sea/8/MARMARADM/methane_meter/29 2011-10-28T19:21:00+00:00 Davide Embriaco davide.embriaco@ingv.it http://www.moist.it/personnel/davide_embriaco/3 <p><img src='http://maps.google.com/maps/api/staticmap?center=40.729087,29.398833&amp;zoom=5&amp;size=180x180&amp;maptype=satellite&amp;sensor=false&amp;markers=color:0x61E34A|label:X|40.729087,29.398833&amp;markers=size:tiny ' width='180' height='180' align='right' border='1' hspace='10' vspace='1' /></p> <p><b>Area:</b> Marmara Sea</p> <p><b>Instrument:</b> Franatech METS Methane Sensor </p> <p><b>Period:</b> October 05, 2009 - March 15, 2010</p> <p><b>Abstract:</b> The Methane sensor provides two output analogue channels (Vmet, Vt) which are sampled at 1Hz by a dedicated Analog To Digital Converter of the SN4 station. From (Vmet, Vt) through a calibration formula, the dissolved methane concentration in sea water can be computed.</p> <p><b>Purpose:</b> The purpose of the methane sensor installation on the SN4 observatory is to monitor the variation of methane gas dissolved in sea water. The installation site is rich in gas seepage from seafloor, thus the variation in methane dissolved concentration can provide a mean to monitor gas emission from seabed. This sensor enable us to study methane gas emission dynamic and its correlation with other physical, oceanographical and seismic parameters in the site.</p> <p><b>Quality of data:</b> The data set is complete. The methane concentration computed from Vmet and Vt is a raw-uncorrected data; to obtain true methane concentration the raw value must be corrected taking into account oxygen concentration, following the device calibration formula. The temperature channel measures the device temperature.</p> Istituto Nazionale di Geofisica e Vulcanologia 2009-10-05T00:02:00+00:00 40.729087 29.398833 2009-10-05T00:02:00+00:00 2010-03-15T00:13:59+00:00