Regional Council notes
A hot topic of debate in South Wairarapa recently was the proposed closure of two coastal camping grounds due to risks from flooding. As one of GWRC’s roles is flood management we were asked to contribute to the debate.
Now for some of the rivers in our region GW holds a vast amount of data that has been collected over time, recording flow rates at various times of the year, including extreme weather events. This is backed up with archives of photos, press clippings and event reports that can inform the likely behaviour of a river in flood.
For many of the smaller rivers however we do not have this extensive history, as flow records have not been taken, so we use modelling to understand what a river might do in extreme weather. We also look to local knowledge and press archives to see if they support our modelling predictions. … Continue Reading
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