16 1 and 16 2 b is a back arc basin.
Mapping the ocean floor graph island arc.
Examine the data in the table.
Ocean depth y axis for the pacific profile graph.
Island arcs can either be active or inactive based on their seismicity and presence of volcanoes active arcs are ridges of recent volcanoes with an associated deep seismic zone.
Label the following ocean.
Mapping the ocean floor now that you have all of your data you will plot these depths on a graph.
Smoothly connect the points and you will have a cross sectional map of the south atlantic ocean floor.
Location map for the kermadec tonga arc showing the study areas covered by four cruises since 1999.
Thunder bay map with side scan sonar tracklines.
The numbers in the longitude column give the ship s location at 19 points in the atlantic ocean.
On the mapping the ocean floor lab handout plot the distance from beach x axis vs.
Satellites can be used to determine the structure and composition of the sea floor.
The problem with that approach is that our oceans are vast and ships are small meaning only a tiny percentage of the ocean floor between 5 15 percent nasa estimates was mapped.
You are charting a line from cape cod massachusetts on the north american.
The ship is equipped with high tech depth sounding equipment.
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To plot the profile of the ocean floor and identify its topographical features.
Hr arctic expedition map.
You are a research vessel with the purpose of mapping the topography of the ocean floor across the atlantic ocean.
Once the points are plotted connect the points and shade in the profile of the ocean floor.
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They also possess a distinct curved form a chain of active or recently extinct volcanoes a deep sea trench and a large negative bouguer anomaly on the convex side of the volcanic arc.
Only about 20 of the sea floor has been accurately mapped in detail.
A method of mapping the topography of the ocean floor along a strip up to 60 km wide.
Nearly 80 of the ocean floor has been accurately mapped using sonar from ships.
For this set of data the depth has already been calculated for you.
Far right mapping a section of the ocean floor.
The island of java is an example of a volcanic island associated with volcanic activity at a.
To the east of the island arc the 4000 m deep andaman sea figs.
