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University of Malta - Boot Camp on Applied Oceanography

Field survey involving instrument deployment and laboratory data analysis.

03 June 2015

Earlier last week, the University of Malta's Physical Oceanography Unit (PO-Unit) within the Faculty of Science organised the 'Applied Oceanography Boot Camp' as part of the Master Course in Applied Oceanography. The research during this field work focused on the study of the thermal discharge (of cooling water used in connection with the Delimara power station operations) plume within the Ħofra ż-Żgħira embayment in the south-east of Malta, and the adjacent Ħofra l-Kbira as a control site. This study unit saw the students spending a week together, close to the area being surveyed, to carry out hands-on experience in conducting scientific data collection efforts in the marine environment, and to learn the scope of field studies through active participation in group projects and individual research efforts. Students were introduced to the baseline principles involved in oceanographic field studies, data collection planning and execution, instrument calibration and deployment, data extraction and processing.

Underwater temperature loggers and a sea current meter were deployed at various locations within the Ħofra ż-Żgħira embayment, limits of Delimara, several weeks before the boot camp. The deployed instrumentation allowed for an investigation of the variability of the sea temperature close to the seabed at high temporal and spatial resolutions. The variation across the water column was studied through loggers attached with a fixed mooring set up around half a nautical mile off the coast at a depth of 40m. Additionally, the current meter deployed in this site measured sea currents, the corresponding direction, as well as the salinity.

During the boot camp week, several instruments were deployed to provide additional surveys during different boat trips, including the use of: YSI CTD (to measure the water conductivity and temperature along the water column); five satellite tracking coastal drifters (to understand the coastal water circulation); chlorophyll fluorimeter (for chlorophyll profile measurements); Niskin bottle (for water sampling at several depths); underwater camera (for benthic mapping); Secchi disk (to measure the water turbidity) and onboard meteo-station.

These instruments and the measured data were the main focus of analysis during an intense live-in experience (boot camp) for the students reading the Master in Applied Oceanography. This enabled the students to understand the dynamics of the warm water plume emanating from the power station within the context of the circulation patterns in this marine domain and to assess environmental impacts on the biota and marine habitats. The current hydrological and biological status of Ħofra ż-Żgħira vs Ħofra l-Kbira were compared. Such physical parameters are essential for the validation of numerical coastal models which have been implemented by the PO-Unit and which are currently being tested. The course also involved the engagement of students on basic chemical and biological oceanography techniques. In this regard, the PO Unit appreciates the training and support provided by the Chemistry Department during the boot camp to its Master students on such aspects.

Under the coordination of Prof. Aldo Drago, the PO-Unit has three other academic members (Prof. Alan Deidun, Mr Adam Gauci and Dr Anthony Galea) as well as dedicated technical and administrative staff members (Ms Raisa Tarasova and Ms Tiziana Bartolo). The one-year Master course (over 3 semesters as a full-time day course) is offered annually to local and foreign students, and is delivered with the participation of an international faculty including high profile experts in operational oceanography. Apart from this Boot Camp, the course covers the Scientific and Practical Baseline of Oceanography, Essentials of Operational Oceanography, Data Resources in Operational Oceanography, Ocean Governance, and Applications and Services deriving from Operational Oceanography. The main target of the course is to match the human resource needs in the evolving marine sector at local, European and global scales, providing professionals with wide ranging skills to exploit the outcomes of marine research and technology in favour of the competitiveness of the industry and service sectors.

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