20. Why are so many DART stations located in the Pacific Ocean?

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
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20. Why are so many DART stations located in the Pacific Ocean?
a. The Pacific Ocean is large and affects many miles of coastline.
b. The Pacific Ocean is tectonically active and experiences many earthquakes
and volcanic eruptions.
c. Many deadly tsunamis have traveled across the Pacific Ocean in the past.
d. All of the above are correct.
Transcribed Image Text:20. Why are so many DART stations located in the Pacific Ocean? a. The Pacific Ocean is large and affects many miles of coastline. b. The Pacific Ocean is tectonically active and experiences many earthquakes and volcanic eruptions. c. Many deadly tsunamis have traveled across the Pacific Ocean in the past. d. All of the above are correct.
100 i: A Shallow-water Wave
+
So far we focused on characteristics of deep, transitional, and shallow-water waves. Here, we examine a type of shallow-water wave that occurs in the open ocean. A tsunami is a wave
produced by the displacement of large amounts of land during an submarine earthquake, a massive landslide, or a volcanic eruption, which makes it nearly impossible to predict. A
tsunami has a wavelength so long that it is considered a shallow-water wave, and can traverse ocean basins very quickly in the form of a wave train (a series of waves). To help prepare
coastal regions that could be affected, countries have come together to develop an early warning system that can identify when a tsunami is generated and track its waves' path across
ocean basins,
The Deep-ocean Assessment and Reporting of Tsunami (DART®) stations each have a bottom pressure recorder (BPR) that is anchored on the ocean floor. The BPR is linked to a
moored buoy at the surface with real-time communication between the two instruments. As the crest of a tsunami wave passes a DART station, the BPR records the change in pressure
then relays it to the surface buoy, which transmits the information to data collection sensors around the world. Scientists can identify and track the tsunami waves as they progress
across ocean basins and issue tsunami warnings to coastal areas. Figure 6A-6 shows the location of DART stations across the ocean. This system has been active for more than a
decade.
A NDBC DART
A US / Chilean Co-op
A AUSTRALIA
A CHILE
A COLOMBIA
A THAILAND
A ECUADOR
A INDIA
60
135
150
165
180
-165
-150
-135
-120
-105
4175
45
18-007 O2018 ho se
Transcribed Image Text:100 i: A Shallow-water Wave + So far we focused on characteristics of deep, transitional, and shallow-water waves. Here, we examine a type of shallow-water wave that occurs in the open ocean. A tsunami is a wave produced by the displacement of large amounts of land during an submarine earthquake, a massive landslide, or a volcanic eruption, which makes it nearly impossible to predict. A tsunami has a wavelength so long that it is considered a shallow-water wave, and can traverse ocean basins very quickly in the form of a wave train (a series of waves). To help prepare coastal regions that could be affected, countries have come together to develop an early warning system that can identify when a tsunami is generated and track its waves' path across ocean basins, The Deep-ocean Assessment and Reporting of Tsunami (DART®) stations each have a bottom pressure recorder (BPR) that is anchored on the ocean floor. The BPR is linked to a moored buoy at the surface with real-time communication between the two instruments. As the crest of a tsunami wave passes a DART station, the BPR records the change in pressure then relays it to the surface buoy, which transmits the information to data collection sensors around the world. Scientists can identify and track the tsunami waves as they progress across ocean basins and issue tsunami warnings to coastal areas. Figure 6A-6 shows the location of DART stations across the ocean. This system has been active for more than a decade. A NDBC DART A US / Chilean Co-op A AUSTRALIA A CHILE A COLOMBIA A THAILAND A ECUADOR A INDIA 60 135 150 165 180 -165 -150 -135 -120 -105 4175 45 18-007 O2018 ho se
Expert Solution
Step 1

Tsunamis are the secondary impact of earthquakes, volcanic eruptions and landslides near the ocean that can trigger giant sea waves that are generated and that cause damage to the land. A tsunami is a wave produced by the displacement of a large amount of land during a submarine earthquake, a massive landslide, or a volcanic eruption, which makes it nearly impossible to predict. 

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