Mapping The Ocean Floor Graph Island Arc

Nearly 80 of the ocean floor has been accurately mapped using sonar from ships.

Mapping the ocean floor graph island arc.

You are a research vessel with the purpose of mapping the topography of the ocean floor across the atlantic ocean. 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. 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. On the mapping the ocean floor lab handout plot the distance from beach x axis vs.

Thunder bay map with side scan sonar tracklines. Once the points are plotted connect the points and shade in the profile of the ocean floor. You are charting a line from cape cod massachusetts on the north american. The ship is equipped with high tech depth sounding equipment.

Examine the data in the table. Label the following ocean. The numbers in the longitude column give the ship s location at 19 points in the atlantic ocean. Hr arctic expedition map.

To the east of the island arc the 4000 m deep andaman sea figs. Mapping the ocean floor now that you have all of your data you will plot these depths on a graph. Learn how businesses are using location intelligence to gain competitive advantage. Esri s gis mapping software is the most powerful mapping spatial analytics technology available.

To plot the profile of the ocean floor and identify its topographical features. Ocean depth y axis for the pacific profile graph. Far right mapping a section of the ocean floor. Of the following statements about mapping the ocean floor which is are true.

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. For this set of data the depth has already been calculated for you. The research group will fly via chilean c 130 from punta arenas to king george island.

The floor of the andaman sea is split along the ene wsw trending rift valley cut by a series of n s to nnw sse oriented right lateral strike slip faults kamesh raju murty amarnath mohan kumar 2007. Smoothly connect the points and you will have a cross sectional map of the south atlantic ocean floor. Satellites can be used to determine the structure and composition of the sea floor. 16 1 and 16 2 b is a back arc basin.