During extreme low water, the soundings near...

Question 1 / 2066636eea28f7522a1c51b187

Question 1 of 2066636eea28f7522a1c51b187

During extreme low water, the soundings near Saybrook may require corrections up to __________.

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Question 1 of 20

66636eea28f7522a1c51b187

During extreme low water, the soundings near Saybrook may require corrections up to __________.

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🔍 Key Concepts

• Chart datum used for soundings in Long Island Sound / Connecticut River approaches • Meaning of extreme low water vs mean lower low water (MLLW) • How and why you apply a correction to charted soundings in unusually low water

💭 Think About

• Ask yourself: If the water level is lower than the chart datum, will the real depth be more or less than the charted sounding? Should the correction sign be plus or minus? • Think about the area near Saybrook: Is it known for especially large low-water departures that would require a small correction, a moderate one, or a relatively large one for safe under-keel clearance? • Consider which option best represents a realistic maximum departure from normal tides in that specific area during extreme conditions.

✅ Before You Answer

• Verify which vertical datum NOAA charts use for soundings in this region (e.g., MLLW) and what "extreme low water" means relative to that datum. • Check whether the correction should be added or subtracted from charted soundings when the water level is lower than normal. • Compare the numerical sizes: is a 1 ft, 2 ft, or 3.5 ft change more consistent with a stated maximum correction for extreme low water in that specific locality?

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Question 1 of 20

During extreme low water, the soundings near Saybrook may require corrections up to __________.

1 foot (+.3 meters)

-2 feet (-.6 meters)

-3.5 feet (-1.1 meters)

The sounding datum is based on extreme low water and no correction is necessary

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Question 1 / 2066636eea28f7522a1c51b187

Question 1 of 2066636eea28f7522a1c51b187

During extreme low water, the soundings near Saybrook may require corrections up to __________.

Back

Question 1 of 20

66636eea28f7522a1c51b187

During extreme low water, the soundings near Saybrook may require corrections up to __________.

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