Well there is a prevailing wind and sea argument for seasonal changes, it does have an effect, but storms do dramatic changes overnight.
Also I have also developed an opinion that these "controlled burns" where they remove all trees and bushes is contributing to a lot of the sand blowing away particularly in the winter with N, NE winds. It was not until they removed all the vegetation on the point at wasque that the beach disappeared, same goes to for other beaches on the south side. One could make an argument that removal of the taller trees and bushes changed the earths boundary layer profile in the winter. (bringing higher velocity winds (more energy) closer to the beach...inducing more sand transport)
Frankly I do not believe in controlled burns to remove so called "invasive" species. But you can not rationalize with these people...they have convinced the powers at be that they know all.
Not to mention that after a controlled burn in looks like hell for decades.
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