Comparing the two salinity maps, the salinity of water at 2000 m in the Pacific Ocean is ___ than at the surface and constant around ___. a. lower ... 34 b. higher ...34 c. lower ...37 d. higher ... 37

Applications and Investigations in Earth Science (9th Edition)
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Chapter1: The Study Of Minerals
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Comparing the two salinity maps, the salinity of water at 2000 m in the Pacific Ocean is ___ than at the surface and constant around ___.

a. lower ... 34

b. higher ...34

c. lower ...37

d. higher ... 37

Figure 3A-3 is a color-coded global ocean map of mean annual sea-surface salinity
(SSS) acquired from WOA 2018. Isohalines are alternating solid and dashed lines
connecting points of equal salinity and are shown with a contour interval of 0.5.
World Ocean Atlas Climatology
Decadal average: 1955 - 2017
Contour Interval-0.5
60°E
120'E
180
120'W
60°W
90'N-
-90'N
-36
60°N
35
30'N-
30°N
34
33
30'S-
30'S
- 32
60'S-
F60'S
-31
60'E
120'E
180
120'W
60'W
Figure 3A-3. Global ocean map of mean annual sea-surface salinity (SSS). [World Ocean Atlas
2018, Link 3A-1]
Transcribed Image Text:Figure 3A-3 is a color-coded global ocean map of mean annual sea-surface salinity (SSS) acquired from WOA 2018. Isohalines are alternating solid and dashed lines connecting points of equal salinity and are shown with a contour interval of 0.5. World Ocean Atlas Climatology Decadal average: 1955 - 2017 Contour Interval-0.5 60°E 120'E 180 120'W 60°W 90'N- -90'N -36 60°N 35 30'N- 30°N 34 33 30'S- 30'S - 32 60'S- F60'S -31 60'E 120'E 180 120'W 60'W Figure 3A-3. Global ocean map of mean annual sea-surface salinity (SSS). [World Ocean Atlas 2018, Link 3A-1]
Figure 3A-5 is a color-coded global ocean map of mean annual salinity at 2000 m.
Salinity is unitless at 0.1 intervals.
World Ocean Atlas Climatology
Decadal average: 1955 - 2017
Contour Interval-0.05
60'Ε
120'E
180
120'W
60'W
90'N
-N.06
36.5
60'N-
60'N
36.0
30°N-
34.6
30'N
35.5
Fo
35.0
30°S-
-30'S
34.5
60's-
-60'S
34.0
60'E
120'E
180
120'W
60'W
Annual salinity at 2000 m. depth (one-degree grid)
Transcribed Image Text:Figure 3A-5 is a color-coded global ocean map of mean annual salinity at 2000 m. Salinity is unitless at 0.1 intervals. World Ocean Atlas Climatology Decadal average: 1955 - 2017 Contour Interval-0.05 60'Ε 120'E 180 120'W 60'W 90'N -N.06 36.5 60'N- 60'N 36.0 30°N- 34.6 30'N 35.5 Fo 35.0 30°S- -30'S 34.5 60's- -60'S 34.0 60'E 120'E 180 120'W 60'W Annual salinity at 2000 m. depth (one-degree grid)
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