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Waimakariri River flood and channel movement
Автор: Waiology
Загружено: 2014-06-18
Просмотров: 737
Описание:
Time-lapse video by the National Institute of Water and Atmospheric Research (NIWA) of a flood in the Waimakariri River at Crossbank, neat the Christchurch airport, in April 2000. The flow peaked at over 900 m3/s. The video shows shifting channels, removal of lupins from elevated gravel bars, migrating in-channel lobes of gravel, and an "avulsion" event in which an initially minor braid on the north (true left) bank progressively enlarged and "stole" more water from a main braid that had swung towards the south bank.
Model animation of the flood is here: • Waimakariri River flood simulation .
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