Salinity and temperature testings across the bay.

Apparatus: YSI salinity and temperature portable meter.
Locations: strategicly selectod across the bay.

Raw data collected:
At the Marina: 3m depth- 30.8 ppt, 9.8 C, surfase- 30.2ppt, 11.0 C
At the PC Docks: 3m depth-30.8 ppt, 9.4 C; surface- 30.3ppt, 11.1 C
At the Green Buoy: 3m depth- 30.8ppt, 9.1 C; surface- 30.6ppt, 10.9 C
At the Prison: 3m depth- 30.9ppt, 9.2 C; surface- 30.6ppt, 10.6 C

At the time the time the data was collected the tide was at its lowest ( 0.4m)

If to examine the main tendency of the salinity curves, both at the 3m and the surface, it increased as we were moving out of the bay. The surface salinity had more fluctuation, than the bottom, which is not suprising, since 3m water is more stabile. The temperature mainly had teh opposite performance, it decreased as we moved out of the bay on both levels measured. That may be explained by the increased area of the water that had to be heated. The surface water was generally less salty and warmer because it recieves most of the runoff and precipitation, and is first to be heated by the sun, whereas the saltier and colder water stays closer to the bottom because of density.
The salinity and temperature measurments might be useful for understanding the habitat of marine organisms and the patterns of their migrations. However, for making this kind of relations a bigger area in a much longer time period has to be examined.