File:Backcomp.gif

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Backcomp.gif ‎（400 × 400 像素，檔案大細：13 KB ，MIME類型：image/gif、循環、8格、7.6 s）

摘要

描述
English: There are 3 main components to a rip current, which include the FEEDER(S), the NECK and the HEAD. As waves approach, they will break along the sandbars (shaded light blue) then finally impact the beach (shaded brown). After contacting the beach zone the water becomes trapped by the sandbars, thus finds the path of least resistance, accelerated by gravity back to the ocean. This path is usually a break between two sandbars, as shown in the diagram. The current becomes focused between the sandbars, thus increases in speed seaward. Eventually the seaward component of the rip will lose speed and disperse in the head area.
Français : Un courant sagittal ou d'arrachment a trois composantes : le flux entrants, le goulot et la tete. Les vagues se brisant sur les bancs de sable continuent vers la plage et ne peuvent ressortir que par le goulot ou le flot accelere. Ce flux s'etale ensuite au large et diminue de vitesse.
Português: Corrente de retorno, agueiro.
來源 NOAA
作者 National Weather Service, Wilmington, NC
Other versions
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    italiano version
  • portuguese version
    portuguese version
  • cleaned version
    cleaned version

協議

Public domain
This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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MIME 類型

image/gif

核對值

4d700dbf696757a327176bd4f8125421a857cb1d

斷定方法：SHA-1

資料大細

12,990 字節

duration 英文

7.6000000000000005 秒

高度

400 像素

闊度

400 像素

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現時2008年9月24號 (三) 08:59響2008年9月24號 (三) 08:59嘅縮圖版本400 × 400（13 KB）Pierre cb{{Information |Description={{en|1=There are 3 main components to a rip current, which include the FEEDER(S), the NECK and the HEAD. As waves approach, they will break along the sandbars (shaded light blue) then finally impact the beach (shaded brown). Aft

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