A Doppler speed log indicates speed through...

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Question 1 of 2066636ee928f7522a1c519604

A Doppler speed log indicates speed through the water __________.

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Question 1 of 20

66636ee928f7522a1c519604

A Doppler speed log indicates speed through the water __________.

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🔍 Key Concepts

• Difference between speed through the water vs speed over the ground • How a Doppler speed log uses sound reflections (echoes) from either the seabed or the water mass • Meaning of bottom return mode vs volume reverberation mode on Doppler logs

💭 Think About

• First decide: does speed through the water depend on current, or is that speed over the ground? • Which Doppler mode uses echoes from the seabed and which one uses echoes from particles in the water itself? • If the log is measuring motion relative to the water, which mode description best matches that idea?

✅ Before You Answer

• Be clear which mode measures motion relative to the seabed (bottom) and which relative to the water mass • Check which of the answer choices could ever be true "at all times" and whether that’s realistic for real equipment • Focus on the option that best matches: "speed relative to the water itself, not the ground"

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Question 1 of 2066636ee928f7522a1c519604

A Doppler speed log indicates speed through the water __________.

Back

Question 1 of 20

66636ee928f7522a1c519604

A Doppler speed log indicates speed through the water __________.

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