Coastal ero­sion trig­gers project

Early alerts for storms

Pinjarra Murray Times - - NEWS -

THE City of Man­durah will be part of a three-year re­search and de­vel­op­ment project to de­velop a na­tional Early Warn­ing Sys­tem to alert coastal com­mu­ni­ties of im­pend­ing storm wave dam­age, po­ten­tially sav­ing lives and the pre­ven­tion of bil­lions of dol­lars in prop­erty dam­age.

“The aim of this re­search is to de­velop the core sci­en­tific and tech­ni­cal knowl­edge for an open coast hazard early warn­ing sys­tem spe­cific to Aus­tralian ge­o­log­i­cal and coastal con­di­tions while draw­ing on the im­mense ex­pe­ri­ence of our over­seas part­ners in Amer­ica and Europe,” key project part­ner North­ern Beaches Mayor Michael Re­gan .

Con­sist­ing of two ful­ly­in­te­grated com­po­nents, the pro­posed early warn­ing sys­tem will com­prise a sys­tem for ac­cu­rately fore­cast­ing po­ten­tial re­gional-scale storm wave dam­age and beach­front dunes over­top­ping and the abil­ity to pre­dict lo­cal-scale coastal ero­sion events re­ferred to by coastal en­gi­neers as ‘storm de­mand’ at known ero­sion hot spots.

They will be pro­vided in the form of high res­o­lu­tion, rolling three-to-seven day real-time fore­casts.

At the North­ern Beaches (NSW) and WA test lo­ca­tions, the project will eval­u­ate a com­bi­na­tion of dif­fer­ent wave and wa­ter­level fore­cast­ing tech­niques, ex­tend­ing from coarser res­o­lu­tion but longer-range (up to seven days) global fore­cast­ing sys­tems through to shorter-range (up to three days) re­gional sys­tems, pro­vid­ing de­tailed near shore wave mod­els.

Chief ex­ec­u­tive Mark New­man said the City had been iden­ti­fied as a coastal ero­sion hot spot and was in­vited to join the pi­lot project to help pro­tect the coastal in­fras­truc­ture from se­vere ero­sion.

“Man­durah has been af­fected by storm dam­age and beach ero­sion in the past, los­ing a sec­tion of Ormsby Ter­race road­way, and has been run­ning a coastal mon­i­tor­ing pro­gram for about 10 years,’’ he said. Jill Burgess Pae­di­atric eye sur­geon Dr Ernest Ol­lando ex­am­ines Shan­ice as she is held by her mother Milly af­ter the suc­cess­ful re­moval of cataracts in each eye.

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