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Discussion: Dunes

in: Bertbennett; Bertbennett > 2017-05-02

May 2, 2017 8:05 AM # 
andyhill:
You know they move
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May 2, 2017 8:59 AM # 
Bertbennett:
A little bit but I've been to them a few times and I can still recognise dunes from over 8 years ago. But it's a fair point. Not sure how practical.
May 2, 2017 10:01 AM # 
andyhill:
Dune Dusters course was shortened nearly 2km due to shifting dunes so maybe some change more than others
May 7, 2017 1:57 PM # 
rockman:
with LIDAR-equipped drones it is probably getting close to the time when a map of dune systems (especially without too much vegetation) could be prepared specifically for an event, rather than having to use basemap data that is a few years old.
The technology exists, but the cost will have to come down a bit for routine use for o-maps.
May 8, 2017 7:42 AM # 
jennycas:
Apparently for WMOC in NZ, final mapping of the big coastal dunes and sandblows was left until the month beforehand because they do shift...

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