Mediterranean Intermediate Water (MIW) sinks below Antarctic Intermediate Water (AAIW) when they meet. However, MIW is much warmer in temperature than AAIW, and we know that density decreases with increasing temperature. How is it possible that warmer MIW water can sink below colder AAIW water?
Mediterranean Intermediate Water (MIW) sinks below Antarctic Intermediate Water (AAIW) when they meet. However, MIW is much warmer in temperature than AAIW, and we know that density decreases with increasing temperature. How is it possible that warmer MIW water can sink below colder AAIW water?
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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Mediterranean Intermediate Water (MIW) sinks below Antarctic Intermediate Water (AAIW) when they meet. However, MIW is much warmer in temperature than AAIW, and we know that density decreases with increasing temperature.
How is it possible that warmer MIW water can sink below colder AAIW water?
Transcribed Image Text:Please use the following temperature-salinity diagram to answer the following questions.
Density T-S diagram (Lines of constant density in g/cm3)
1.0245
1.0250
15
1.0255
1.0260
1.0265
NACSW
1.0270
MIW
AAIW
1.0275
NADW
1.0280
1.0285
AABW
33.5
34.0
34.5
35.0
35.5
Salinity (parts per thousand)
North Atlantic Water Masses:
36.0
36.5
(AAIW) Antarctic Intermediate Water
(AABW) Antarctic Bottom Water
(NADW) North Atlantic Deep Water
(NACSW) North Atlantic Central Surface Water
(MIW) Mediterranean Intermediate Water
20
(ɔ.)
Temperature
1.0290
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