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Hazard-prone development likely under fast-track law, insurers and engineers warn
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Hazard-prone development likely under fast-track law, insurers and engineers warn
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Niwa environmental monitoring technician Mike O’Driscoll used a radar gun from the Westport and Orowaiti bridges to measure the speed of the Buller River at its surface on July 17, the height of the recent floods. Those measurements, coupled with surveys of the riverbed level carried out from a jet boat after the flood, provided the data for flood flow calculations. As the bridges were being closed, the measurements showed a flow of 7640 cubic metres per second – the largest direct measurement of river flow ever completed in New Zealand.
Peter Meecham/Stuff
A quad bike makes its way up Derby Street in Westport after floodwaters inundated parts of the town.
Press Release – NIWA Flood flows on the Buller River this month were the largest of any river in Aotearoa New Zealand in almost 100 years, NIWA measurements show. NIWA hydrodynamics scientist Richard Measures says records show even larger flooding of the Buller River in 1926. …
Flood flows on the Buller River this month were the largest of any river in Aotearoa New Zealand in almost 100 years, NIWA measurements show.
NIWA hydrodynamics scientist Richard Measures says records show even larger flooding of the Buller River in 1926.
“It’s not the largest river in New Zealand but it does experience the biggest flood flows. The flood levels through the Buller gorge are incredible” he said.
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