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One of the most important aspects of Oceanography is knowing where the data that you are collecting comes from, so that you can begin to see spatial (and temporal) patterns in the data you collect, and thus begin to form explanations of the data. This section will show you how to collect a combination of primary information (observations) and secondary information (computations).

OBSERVATIONS

Weather:

A fundamental observation is what the weather outside is like. Record the following conditions:

• Sea state:
• Wind: (direction and speed)
• Clouds:
• Currents: (direction and speed if possible)
• Precipitation:

Starting Position:

• Lattitude: __________________
• Longitude: __________________
• Time: __________________
• Relative Bearing information:

Ending Position:

• Lattitude: __________________
• Longitude: __________________
• Time: __________________
• Relative Bearing information:

COMPUTATIONS

• Measure the distance between the starting and ending points of the CTD cast. How far is this distance in kilometers? In meters?
• How long did the cast take?
• How fast did the boat travel between the starting and ending points, in km/hr? In m/s?