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The nearly uniform temperature and salinity profiles of this surface layer indicate mixing by convection throughout the layer. Mixing is primarily due to the cooling of surface waters by the loss of heat upward to the colder atmosphere, which makes the surface ocean water denser. The denser surface water sinks until it reaches a level where it is neutrally buoyant and basically floats in the water column. Wind and wave agitation also drives convection. During the coldest part of the year, this convection layer gradually deepens as more heat energy is transported upward and lost to the atmosphere above. 12. Below the base of this convectively mixed layer in Figure 3B-3, the water temperature is the temperature in the mixed layer. а. less than b. about the same as c. greater than

The nearly uniform temperature and salinity profiles of this surface layer indicate mixing by convection throughout the layer. Mixing is primarily due to the cooling of surface waters by the loss of heat upward to the colder atmosphere, which makes the surface ocean water denser. The denser surface water sinks until it reaches a level where it is neutrally buoyant and basically floats in the water column. Wind and wave agitation also drives convection. During the coldest part of the year, this convection layer gradually deepens as more heat energy is transported upward and lost to the atmosphere above. 12. Below the base of this convectively mixed layer in Figure 3B-3, the water temperature is the temperature in the mixed layer. а. less than b. about the same as c. greater than

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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The nearly uniform temperature and salinity profiles of this surface layer indicate mixing by convection throughout the layer. Mixing is primarily due to the cooling of surface waters by the loss of heat upward to the colder atmosphere, which makes the surface ocean water denser. The denser surface water sinks until it reaches a level where it is neutrally buoyant and basically floats in the water column. Wind and wave agitation also drives convection. During the coldest part of the year, this convection layer gradually deepens as more heat energy is transported upward and lost to the atmosphere above. 12. Below the base of this convectively mixed layer in Figure 3B-3, the water temperature is the temperature in the mixed layer. а. less than b. about the same as с. greater than 13. Below the base of the mixed layer in Figure 3B-3, the salinity is the salinity in the mixed layer. а. less than b. about the same as с. greater than
Transcribed Image Text:The nearly uniform temperature and salinity profiles of this surface layer indicate mixing by convection throughout the layer. Mixing is primarily due to the cooling of surface waters by the loss of heat upward to the colder atmosphere, which makes the surface ocean water denser. The denser surface water sinks until it reaches a level where it is neutrally buoyant and basically floats in the water column. Wind and wave agitation also drives convection. During the coldest part of the year, this convection layer gradually deepens as more heat energy is transported upward and lost to the atmosphere above. 12. Below the base of this convectively mixed layer in Figure 3B-3, the water temperature is the temperature in the mixed layer. а. less than b. about the same as с. greater than 13. Below the base of the mixed layer in Figure 3B-3, the salinity is the salinity in the mixed layer. а. less than b. about the same as с. greater than
Float 5904471, Cycle #140, 23/11/2018 Sea temperature - degree_Celsius Practical salinity - psu -1.5 -1.0 -0.5 0.0 0.5 1.0 34.3 34.4 34.5 34.6 34.7 100 100 200 200 300 300 400 400 500 500 600 600 700 700 800 800 900 900 1,000 1,100 1,000 1,100 1,200 - 1,200 1,300 1,400 1,500 8 1,300 1,400 1,500 1,600 1,600 1,700 1,800 1,700 1,800 Figure 3B-3. Argo APEX Float 5904471 data from the Southern Ocean on 23 November 2018. [Coriolis Operational Oceanography] Sea pressure - decibar Sea pressure - decibar
Transcribed Image Text:Float 5904471, Cycle #140, 23/11/2018 Sea temperature - degree_Celsius Practical salinity - psu -1.5 -1.0 -0.5 0.0 0.5 1.0 34.3 34.4 34.5 34.6 34.7 100 100 200 200 300 300 400 400 500 500 600 600 700 700 800 800 900 900 1,000 1,100 1,000 1,100 1,200 - 1,200 1,300 1,400 1,500 8 1,300 1,400 1,500 1,600 1,600 1,700 1,800 1,700 1,800 Figure 3B-3. Argo APEX Float 5904471 data from the Southern Ocean on 23 November 2018. [Coriolis Operational Oceanography] Sea pressure - decibar Sea pressure - decibar
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