MARS 120 LabMARS 120 Lab

Lab 1 – Geography of the oceans, Contouring, Lab 1 – Geography of the oceans, Contouring, and Bathymeteryand Bathymetery

Objectives:Objectives:1.1. To become familiar with the topography of To become familiar with the topography of

the seafloor, and differences in ocean basinsthe seafloor, and differences in ocean basins2.2. To be able to locate specific features on the To be able to locate specific features on the

seafloorseafloor3.3. To gain experience in contouringTo gain experience in contouring4.4. To gain experience reading maps and To gain experience reading maps and

bathymetric chartsbathymetric charts

Part 1 – Geography of the Part 1 – Geography of the OceansOceans

Objectives:Objectives:

1.1. Split into 5 groups. Answer the Split into 5 groups. Answer the questions to the best of your ability.questions to the best of your ability.

Part 1 – Geography of the Part 1 – Geography of the OceansOceans

Part 1 – Geography of the Part 1 – Geography of the OceansOceans

Part 1 – Geography of the Part 1 – Geography of the OceansOceans

Part 1 – Geography of the Part 1 – Geography of the OceansOceans

Part 1 – Geography of the Part 1 – Geography of the OceansOceans

Part 2 – ContouringPart 2 – Contouring

Contours – lines of equal values for data Contours – lines of equal values for data points (depth, elevation, temp, etc.)points (depth, elevation, temp, etc.)

Techniques:Techniques:

1.1. Identify data and surface you are contouringIdentify data and surface you are contouring

2.2. Identify contour values (units: 0, 10, 20, etc.)Identify contour values (units: 0, 10, 20, etc.)

3.3. Get a mental image of contours in the areaGet a mental image of contours in the area

4.4. Locate contoursLocate contours

5.5. Connect contour lines Connect contour lines

6.6. Label contour linesLabel contour lines

Part 2 – ContouringPart 2 – Contouring

Part 2 – ContouringPart 2 – Contouring

Part 3 – Bathymetric ChartsPart 3 – Bathymetric Charts