Oceanography

1
Oceanography

• Literally- The Mapping of the Ocean
• Oceanology would be a better term

2
Types of Oceanography

• Chemical Oceanography
• Chemistry of Seawater
• Geological Oceanography
• Geology of the Ocean Basins
• Physical Oceanography
• Physics of Seawater
• Biological Oceanography
• Distribution of Life in the Ocean
• Not really marine biology

3
The Scientific Method
Observation

• The main steps of the scientific method

Question
Hypothesis
Prediction
Test does notsupport hypothesis revise
hypothesis or pose new one
Test supports hypothesis make additional
predictions and test them
Test Experiment oradditionalobservation
Figure 1.3A
4

• Deductive reasoning is used in testing hypotheses

• If a hypothesis is correct, and we test it, then
  we can expect a particular outcome
• Case study flashlight failure

Figure 1.3B
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6
Scientific Theory

• An explanation of the cause or causes of a range
  of related phenomena.
• Scientific theories, unlike common theories, have
  been rigorously tested but are still open to
  testing, revision, and tentative acceptance or
  rejection.