RP 33 Ch.4-Ch.6

A vibrant underwater scene showcasing oceanic features like mid-ocean ridges, trenches, and marine life, with a focus on scientific exploration.

Explore the Ocean Depths Quiz

Test your knowledge of oceanography and the various physiographic provinces that shape our ocean floors. This quiz covers key concepts from Chapters 4 to 6 of RP 33, providing an engaging way to learn about marine structures, sediment dynamics, and acoustic properties.

Prepare to dive deep into:

  • Major ocean bottom features
  • The impact of currents and trenches
  • Characteristics of eddies
  • Acoustic effects of temperature gradients
9 Questions2 MinutesCreated by DivingSeas420
Select all major physiographic provinces that make up the ocean bottom.
Continental shelf
Ocean basin
Continental ridges
Mid-ocean ridges
______ prevent sediments of continental origin from reaching the ocean basin floor.
Mid-ocean ridges
Volcanoes
Trenches
Currents
Active detection can be "______- limited".
Upper
Bottom
Temperature
Sediment
Increased biological activity generally found along a front will decrease reverberation and ambient noise.
True
False
Warm eddies improve active/passive ranges.
Active
Passive
Cold eddies may last up to ___ years.
3
2 1/2
2
4
The main effect on internal waves on acoustics is the ____ of the depth of the thermocline.
Ft
Oscillation
Resoluteness
Stability
The ___ is defined as the point of maximum near surface temperature.
Thermocline
Surface duct
Mixed layer depth
Sound channel axis
Temperature decreasing with depth represents a ____ temperature gradient.
Positive
Neutral
Mixed
Negative
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