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Oceans 04: Tides and Water Power


Brianna Brockington

on 25 April 2013

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Transcript of Oceans 04: Tides and Water Power

Dauphin Island Reflection 1.What did you learn about tidal observations by completing the activity?
I learned that observed tides can change and can be higher than what is predicted. Woods Hole Woods Hole How many high and low tides occurred?

What type of tidal pattern was observed?

What are the tidal heights?

How do the observed and predicted data compare?

Hypothesis: What may have caused any differences between the observed and predicted data? Conclusion 1.In your own words, summarize what causes tides. Discuss the effects of tidal forces and how bulges are formed.
The moon and sun controls the Earth's tides. When gravity pulls, the water it causes it to splash, which creates the bulges. Tides and Water Power Dauphin Island Panama City Panama City Panama City Dauphin Island Woods Hole Questions 0.6 - 0.9 ft. above MLLW 0.2 - 0.8 ft. above MLLW 0.4 - 2.4 ft. above MLLW 1 high/ 1 low 2 high/ 2 low 1 high/ 1 low Semidiurnal Diurnal Diurnal Both are semidurnial, yet the data I observed was higher than the original predicted water. Both are diurnal, but my recordings are nearly a whole foot higher than the predicted. Both are diurnal, but what was observed was almost .3 feet above predicted height. The Tide will be much higher, because the moon is a different during the lunar cycle. This would be apart of a spring tide, and because of this, the tide will be higher than it would be normally expected to be. High tides will occur when the crest of the tide wave is highest; the moon is a further than what was originally predicted. 2.In your own words, explain why humans are interested in monitoring tides. What impact do tides have on human life? What impact might tides have on other organisms?
Human life depend on the tides in many ways because it can be used for environmental purposes, it affects other organisms because they depend on the water to survive. 3.In your own words, discuss how tides are monitored. Describe the old and new methods of monitoring tides.
The Sun's, Moon's and Earth's distance are calculated. For new methods, satellite and gps monitoring is used. The location of moon, etc are also brought into consideration. For old methods, tide gauges and similar tools were used. 4.In your own words, compare and contrast the tidal patterns of Woods Hole, MA, Dauphin Island, AL, and location #3.
Woods Hole was the semidiurnal type, and was also close to the prediction; Dauphin Island was a Diurnal, and was observed almost a whole foot higher than what was predicted; Panama City, FL. was about 2 feet higher than what was predicted. 2. In your own words, how are tidal observations and tidal predictions similar? How are they different?
They are similar because they are the same type of tiding; they are different because of the heights that were recorded. 3.Why is it important to be able to predict tide levels in coastal areas?
It's important because since the tide is higher, the water is going to become deeper and possibly more dangerous, and it is very important to let citizens know before going out to sea or a beach. 4.What are some other things you would like to learn about tides?
I would like to learn how deep tides can really become and when to know exactly when a tide is coming. by: Brianna Brockington
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