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21 Δεκ 2022 · We find that about 30–40% of the global ocean experienced robust seasonal trends in mean and extreme wave height, period, and direction.
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19 Φεβ 2021 · Wind-generated waves is the wave type with periods lower than 20 seconds. The wind-generated waves with periods larger than 0.25 seconds are known as surface gravitywaves, which are the waves we observe when we go to the beach. When generated by local winds, they are irregular and short-crested and are known as wind sea (Figure 5, left).
10 Ιουλ 2020 · Here, we provide the monthly mean and 3-hourly instantaneous wave parameters, including significant wave height (Hs), mean wave direction (Dm), spectrum peak wave period (Tp), and...
Wave period forecast charts show only the dominant wave period, which represents the swell set with the most energy. Look for other upwind fetch areas in different directions or strong winds that will build waves in the local area.
Small variations in amplitude (“short” pressure waves) produce weak or quiet sounds, while large variations (“tall” pressure waves) produce strong or loud sounds. The two examples below show sound waves that vary in frequency and amplitude.
20 Απρ 2022 · Finally, since studies involving wave period distributions are relatively few, we examine the relationships between the maximum period T max, mean period (), and the average of the highest one-third (T 1/3) using a database of approximately 41,120 sea states.
22 Μαρ 2022 · In this work, we produced a global ocean sound speed data set based on the RCP8.5 scenario at the end of XXI century, and computed the differences with the present conditions.
