Identify the water conditions at 2000 m. According to the T-S diagram, the density of the 2000 m sample is approximately ______ g/cm3, which makes it part of the ______ mass.
Identify the water conditions at 2000 m. According to the T-S diagram, the density of the 2000 m sample is approximately ______ g/cm3, which makes it part of the ______ mass.
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
Related questions
Question
Identify the water conditions at 2000 m. According to the T-S diagram, the density of the 2000 m sample is approximately ______ g/cm3, which makes it part of the ______ mass.
a.1.0280 … AABW
b.1.0280 … NADW
c.1.0278 … AABW
d.1.0278 … NADW
Transcribed Image Text:The Temperature-Salinity (T-S) diagram in Figure 5B-3 shows the typical range of
temperature and salinity combinations in ocean water and the resulting density. The
T-S diagram is a simple but powerful tool used to understand water mass properties.
(Refer to Investigation 3A to review the T-S diagram and its interpretation.)
20
1.0245 g/cm
15
1.0250
1.0255
1.0260
NACSW
10
1.0265
1.0270,
MIW
1.0275
1.0280
ONADW
AAIW
1.0285
AABW
33.5
34.0
34.5
35.0
35.5
36.0
Salinity (psu)
Figure 5B-3. Temperature-Salinity (T-S) diagram of water masses: Antarctic Bottom Water (AABW),
36.5
Antarctic Intermediate Water (AAIW), North Atlantic Central Surface Water (NACSW), Mediterranean
Intermediate (MIW), North Atlantic Deep Water (NADW)
Temperature (°C)
1.0290
Transcribed Image Text:density in grams per cubic centimeter (g/cm3). Lines of constant density are called
isopycnals. Salinity values are determined to the fourth decimal place because
small changes can have major implications in ocean water circulation.
Figure 3A-1 is a Temperature-Salinity (T-S) Diagram. Temperature is plotted on
the left axis and the values are depicted in degrees Celsius. Salinity is plotted on the
bottom axis and is unitless. The solid curves are lines of constant ocean water
/1.0245 g/cm³
15
1.0250
1.0255
1.0260
10
1.0265
1.0270
1.0275
1.0280
1.0285
33.5
34.0
34.5
35.0
35.5
Salinity
36.0
36.5
20
Temperature (°C)
1.0290
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