A marine gravity map of the north atlantic ocean red dots show locations of earthquakes with magnitude 5 5 and they highlight the present day location of the seafloor spreading ridges and.
Mapping the ocean floor lab atlantic profile.
Continental shelf 300 feet continental slope 300 10 000 feet abyssal plain 10 000 feet abyssal hill 3 000 feet up from the abyssal plain seamount 6 000 feet.
The following features are shown at example depths to scale though each feature has a considerable range at which it may occur.
Mapping the ocean floor name.
Mid atlantic ridge rift valley continental shelf deep ocean floor and draw arrows at the bottom indicate direction of plate movement.
Draw a blue line to represent the trench.
The numbers in the longitude column give the ship s location at 19 points in the atlantic ocean.
Suppose you took a trip across the atlantic ocean and were able to check the depth of the water under your boat at regular intervals.
On the mapping the ocean floor lab handout plot the distance from beach x axis vs.
Please notice the data is in two columns of distance and depth.
Ocean depth y axis for the atlantic profile graph.
Earth s crust under the ocean.
The data table shows a record of the depth of the atlantic ocean measured by a research vessel travelling on course due east along 39on latitude.
Distance goes from 0 to 3500 miles eastward from cape may.
In this lab you will use sonar data from the atlantic ocean to make a profile of the ocean bottom.
Atlantic ocean floor topography lab.
Once the points are plotted connect the points and shade in the profile of the ocean floor.
Label the following ocean floor features.
You can use this data to construct a profile or side view of.
Locate and label the following deep ocean trenches.
Please notice the data is in two columns of distance and depth.
Distance goes from 0 to 3500 miles eastward from cape may.
Smoothly connect the points and you will have a cross sectional map of the south atlantic ocean floor.
On the world map provided on the following page draw the global mid ocean ridge system in red.
The data in the table below represents various measurements of the depth of the atlantic ocean along a line from cape may new jersey and cape roca portugal.
Examine the data in the table.
Mapping the ocean floor now that you have all of your data you will plot these depths on a graph.
Sea level 0 meters is the line already shown on the graph.
You can use this data to construct a profile.
This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level.
Color the area between the blue ocean surface line and the lithosphere blue.
Mapping the ocean floor name.
Marine science 1 lab.
World ocean floor map the pacific ocean map and the mid atlantic ridge map and refer to your textbook as needed to answer the following questions.
