Temperature-salinity diagrams and water masses (4 points) a. The boxes labelled
ID: 286681 • Letter: T
Question
Temperature-salinity diagrams and water masses (4 points)
a.
The boxes labelled 1-4 on the graph below represent 4 different water masses. What is the temperature and salinity of the water mass labelled 4?
temperature of 3 oC and salinity of 33.7 psu
temperature of 0 oC and salinity of 35.5 psu
temperature of 18 oC and salinity of 35.5 psu
temperature of 12 oC and salinity of 36.2 psu
Temperature-Salinity Diagram (Lines of Density in g/cm3) 20 15 0 10 33.5 34 34.5 36.5 35 Salinity (psu) 35.5 36 The COMET ProgramExplanation / Answer
In the given graph above, salinity is labelled on X-axis which intersects the water mass labelled 4 at 36.2 psu, and temperature on Y-axis intesects the water mass 4 at 12 degree C. So, The temperature and salinity of water mass labelled 4 is 12 degree C and 36.2 psu, respectively (last option is the correct answer "temperature of 12 oC and salinity of 36.2 psu").
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