Which of the following regions of the ocean has the highest salinity? A.Atlantic
ID: 111805 • Letter: W
Question
Which of the following regions of the ocean has the highest salinity?
A.Atlantic bottom water at 30° N
B.Atlantic surface water at 30° N
C.Atlantic bottom water at 30° S
Which of the following regions of the ocean has the highest salinity?
A.Pacific surface water at 30° N
B.Pacific bottom water at 30° N
C.Pacific bottom water at 30° S
The water at 1000 m depth in the North Atlantic at 30° N originates from?
A.Atlantic surface water at 50° S
B.Atlantic surface water at 30° S
C.Atlantic surface water at 0° S
D.Atlantic surface water at 30° N
E.Atlantic surface water at 50° N
Which of the following regions has the highest difference in water temperature between the summer and the winter?
A.surface mixed layer in the Atlantic at 0° N
B.surface mixed layer in the Atlantic at 30° N
C.1000 m in the Atlantic at 30° N
D.Bottom water in the Atlantic at 30° N
Which of the following parameters has the lowest value?
A.Sigma
B.Sigma t
C.Sigma in situ
Which of the following statements (a-l) are true or false for samples collected at locations A-K?
A: surface mixed layer in the North Pacific near Hawaii in summer
B: surface mixed layer in the North Pacific near Hawaii in winter
C: surface mixed layer in the North Atlantic near Bermuda in summer
D: surface mixed layer in the North Atlantic near Bermuda in winter
E: 3000 m in the North Atlantic near Bermuda
F: 3000 m in the North Pacific near Hawaii
G: surface water in the North Pacific (50-60 °N)
H: surface water in the North Atlantic (50-60 °N)
I: surface water in the Equatorial Pacific (0 °N)
J: 1000 m in the north Atlantic (30 °N)
K: 1000 m in the south Atlantic (30 °S)
a) [Ca2+]A < [Na+]I ;
b) [Cl-]F > [K+]B ;
c) [NO3-]J > [K+]B;
d) [Mg2+]J < [Mg2+]C ;
e) [B(OH)4-]J > [B(OH)4-]D
f) [Ca2+]B > [Zn+]K
g) [HCO3-]D < [PO43-]B ;
h) [SO42-]G < [SO42-]H
i) [Na+]A > [Mg2+]C
j) [Sr2+]C < [Sr2+]E
k) [Br-]K > [Br-]J
l) [F-]E < [F-]F
Explanation / Answer
1) option b is correct.
Surface of North Atlantic ocean has highest salinity.
salinity at the surface is more because of evaporation. So the salinity decreases with depth and then again starts increasing slightly.