Which is TRUE of mean high water?

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Question 1 of 2066636ee928f7522a1c519bb4

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Question 1 of 20

66636ee928f7522a1c519bb4

Which is TRUE of mean high water?

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🔍 Key Concepts

• Tidal datums such as mean high water (MHW), mean lower low water (MLLW), and their typical chart uses • How shorelines and charted depths are referenced to different vertical datums • Differences between datums used for sounding depths and those used for coastlines/contours

💭 Think About

• Ask yourself: Is mean high water normally used for charted depths (soundings), or for defining where the land ends and the water begins on charts? • Consider which U.S. coasts or waters use mean lower low water versus other datums for soundings—does MHW fit that role? • Think about what bottom contour lines represent on a chart and whether they are drawn relative to high water, low water, or another datum.

✅ Before You Answer

• Identify which datum (e.g., MLLW vs MHW) is standard for sounding depths on most U.S. nautical charts • Determine which datum is commonly used to depict the shoreline on charts in tidal areas • Check whether any answer choice is actually describing mean lower low water or another datum rather than mean high water

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Question 1 of 20

Which is TRUE of mean high water?

It is used to indicate the shoreline where there is a large tidal fluctuation

It is used as the sounding datum for rivers, lakes, etc. regulated by locks

It is used as the reference for soundings on the Gulf coast of the U.S.

It is used as the reference plane for bottom contour lines

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Question 1 / 2066636ee928f7522a1c519bb4

Question 1 of 2066636ee928f7522a1c519bb4

Which is TRUE of mean high water?

Back

Question 1 of 20

66636ee928f7522a1c519bb4

Which is TRUE of mean high 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