Hydrographic features of the gas hydrate studies survey area of cruise AASGH2 in the Arabian Sea
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Hydrographic data were collected from the research ship ‘A.A. Siderenko’ in the Arabian Sea in [(70.55 degrees E, 70.95 degrees E) x (15.00 degrees N, 15.50 degrees N)] grid at 15 selected stations, in between stn. Nos Ref. 1-24, to explore the possibility of occurrence of gas hydrates. The main source of data were using CTD observations in the Arabian Sea off Goa near bottom during the period 9-16 November 2002. The physical and chemical parameters of temperature, salinity, dissolved oxygen and depth and also fluorescence were collected. Contour maps of these parameters were prepared at depths 50 m, 100 m, 200 m, 500 m and 1000m (or upto maximum depth of observation) to study their variability using surfer ver. 6.01 software. In the present technical report the hydrographic CTD profile diagrams and the derived contour maps are presented and described for the study area which are useful for gas hydrates exploration.
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