Mean high water is the average height of...

Question 1 / 2066636ee928f7522a1c519bb1

Question 1 of 2066636ee928f7522a1c519bb1

Mean high water is the average height of __________.

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Question 1 of 20

66636ee928f7522a1c519bb1

Mean high water is the average height of __________.

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🔍 Key Concepts

• Tidal datums such as mean high water, mean low water, and how they are defined • The difference between higher high water and lower high water in a semidiurnal (two‑high‑tide) day • Whether a definition uses all occurrences of a tide level or only one of the daily highs or lows

💭 Think About

• In an area with two high tides each day, think about whether mean high water would ignore one of them or include both in the average. • Look at which choice sounds like a statistical average of a data set, versus which ones sound like they are picking only one specific tide each day. • Ask yourself: if I were a hydrographer making charts, would I want my reference level to be based on just some of the high waters, or on the complete set of high waters over the observation period?

✅ Before You Answer

• Make sure the option you pick could logically be used as a chart datum along coasts with mixed or semidiurnal tides. • Check whether the wording limits you to only the higher or only the lower daily highs—that may leave out some of the tide data. • Confirm that your choice reflects an average over a long period (usually many years of records), not a single daily event.

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Question 1 of 20

Mean high water is the average height of __________.

the higher high waters

the lower high waters

the lower of the two daily tides

all high waters

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Question 1 / 2066636ee928f7522a1c519bb1

Question 1 of 2066636ee928f7522a1c519bb1

Mean high water is the average height of __________.

Back

Question 1 of 20

66636ee928f7522a1c519bb1

Mean high water is the average height of __________.

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