Examine the two profiles in Figure 13B-3 at a depth of 1000 m, the “parking depth” for the float. The temperature at 1000 m was near ______°C. a.+3.2 b.+3.6 c.+4.2 d.+4.7 At that same depth, the salinity was about ______. a.34.72 b.34.78 c.34.82 d.34.88

Applications and Investigations in Earth Science (9th Edition)
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Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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Chapter1: The Study Of Minerals
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Examine the two profiles in Figure 13B-3 at a depth of 1000 m, the “parking depth” for the float. The temperature at 1000 m was near ______°C.
a.+3.2
b.+3.6
c.+4.2
d.+4.7
At that same depth, the salinity was about ______.
a.34.72
b.34.78
c.34.82
d.34.88

Figure 13B-3 displays the vertical profiles of temperature (°C) and salinity (dissolved salt in psu, or practical salinity units) acquired by Float 6901566 during its 169th
cycle, ascending from about 2000 dbar (decibar) to the ocean surface on 5 January 2019. [Recall from Investigation 3A that ocean water 1 m in depth exerts a pressure of
1 dbar. Consequently, a decibar pressure scale is numerically equivalent to water depth in meters. For the purposes of this investigation, the vertical scale of graphed
profiles will be discussed in meters depth. In the ascent just described, the float rose from a depth of 2000 m.]
Float 6901566, Cycle #169, 15/01/2019
Practical salinity - psu
Sea temperature - degree.Celsius
4.50
J.25
3.50
375
4.00
4.25
4.75
34.70
34.75
34.10
34.85
34.90
250
250
50
750
750
1,000
1,000
1,250
1,250
1,500
1,500
1,750
1,750
2,000
2,000
Figure 13B-3. Vertical profiles of temperature in °C (left) and salinity in psu (right) for Float 6901566 on 5 January 2019. [Coriolis Operational Oceanography]
egpap - aunsseud ees
Sea pressure - decibar
Transcribed Image Text:Figure 13B-3 displays the vertical profiles of temperature (°C) and salinity (dissolved salt in psu, or practical salinity units) acquired by Float 6901566 during its 169th cycle, ascending from about 2000 dbar (decibar) to the ocean surface on 5 January 2019. [Recall from Investigation 3A that ocean water 1 m in depth exerts a pressure of 1 dbar. Consequently, a decibar pressure scale is numerically equivalent to water depth in meters. For the purposes of this investigation, the vertical scale of graphed profiles will be discussed in meters depth. In the ascent just described, the float rose from a depth of 2000 m.] Float 6901566, Cycle #169, 15/01/2019 Practical salinity - psu Sea temperature - degree.Celsius 4.50 J.25 3.50 375 4.00 4.25 4.75 34.70 34.75 34.10 34.85 34.90 250 250 50 750 750 1,000 1,000 1,250 1,250 1,500 1,500 1,750 1,750 2,000 2,000 Figure 13B-3. Vertical profiles of temperature in °C (left) and salinity in psu (right) for Float 6901566 on 5 January 2019. [Coriolis Operational Oceanography] egpap - aunsseud ees Sea pressure - decibar
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