When using a recording depth finder in the...

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Question 1 of 2066636ee928f7522a1c51a551

When using a recording depth finder in the open ocean, what phenomena is most likely to produce a continuous trace that may not be from the actual ocean bottom?

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66636ee928f7522a1c51a551

When using a recording depth finder in the open ocean, what phenomena is most likely to produce a continuous trace that may not be from the actual ocean bottom?

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🔍 Key Concepts

• How a recording depth finder displays different types of echoes (bottom, fish, layers in the water) • The difference between discrete/patchy echoes and a nearly continuous horizontal trace • Typical characteristics of the deep scattering layer in the open ocean

💭 Think About

• Ask yourself which option would most likely appear as a steady, fairly continuous line on the trace rather than broken or intermittent marks • Consider which phenomenon is common in the open ocean at roughly consistent depths over wide areas • Think about whether each choice would be expected to mimic a false bottom or more likely show up as isolated or occasional returns

✅ Before You Answer

• For each choice, picture what the echo trace would look like (solid/continuous vs broken/spotty) • Verify which phenomenon is widely reported by oceanographers and navigators as creating a “false bottom” on echo sounders • Check whether the effect would be persistent over time and distance, not just a brief or localized disturbance

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Question 1 of 2066636ee928f7522a1c51a551

When using a recording depth finder in the open ocean, what phenomena is most likely to produce a continuous trace that may not be from the actual ocean bottom?

Back

Question 1 of 20

66636ee928f7522a1c51a551

When using a recording depth finder in the open ocean, what phenomena is most likely to produce a continuous trace that may not be from the actual ocean bottom?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed