Αποτελέσματα Αναζήτησης
Total swell: significant wave height and mean direction. Wave height is the vertical distance between trough and crest. Wave period is the time between the passage of one wave crest and the next. The arrow direction is the direction the waves are moving towards... Latest forecast.
We are most familiar with the kind of waves that break on shore, or rock a boat at sea, but there are many other types of waves that are important to oceanography: Internal waves form at the boundaries of water masses of different densities (i.e. at a pycnocline), and propagate at depth.
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.
20 Σεπ 2023 · A 5% chance of encountering a single wave higher than 35 ft. (11 m) among every 200 waves that pass in about 30 minutes. A 5% chance of encountering a single wave higher than 40 ft. (12 m) among every 2,600 waves that pass in about five hours.
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...
19 Δεκ 2021 · We can broadly define ocean waves as all sea-surface variations on the timescale of seconds to months as generated in the oceans. MSL is the sea level you get if you average these fluctuations out. This definition of ocean waves includes wind waves, tides and tsunamis. Wind and atmospheric pressure changes can also cause water level variations.
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.
