Mapping The Ocean Floor Graph Island Arc

You are charting a line from cape cod massachusetts on the north american.

Mapping the ocean floor graph island arc.

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. The numbers in the longitude column give the ship s location at 19 points in the atlantic ocean. Once the points are plotted connect the points and shade in the profile of the ocean floor. The research group will fly via chilean c 130 from punta arenas to king george island.

The island of java is an example of a volcanic island associated with volcanic activity at a. You are a research vessel with the purpose of mapping the topography of the ocean floor across the atlantic ocean. Location map for the kermadec tonga arc showing the study areas covered by four cruises since 1999. Nearly 80 of the ocean floor has been accurately mapped using sonar from ships.

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. Mapping the ocean floor now that you have all of your data you will plot these depths on a graph. Of the following statements about mapping the ocean floor which is are true. A method of mapping the topography of the ocean floor along a strip up to 60 km wide.

Esri s gis mapping software is the most powerful mapping spatial analytics technology available. The ship is equipped with high tech depth sounding equipment. Satellites can be used to determine the structure and composition of the sea floor. Learn how businesses are using location intelligence to gain competitive advantage.

Hr arctic expedition map. For this set of data the depth has already been calculated for you. 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. To plot the profile of the ocean floor and identify its topographical features.

16 1 and 16 2 b is a back arc basin. Ocean depth y axis for the pacific profile graph. To the east of the island arc the 4000 m deep andaman sea figs. Examine the data in the table.

Smoothly connect the points and you will have a cross sectional map of the south atlantic ocean floor. 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. Label the following ocean. Only about 20 of the sea floor has been accurately mapped in detail.