{ "culture": "en-US", "name": "", "guid": "", "catalogPath": "", "snippet": "This feature depicts the 100yr (1%AEP) flood extent detailed in the Coastal Lagoons Catchments Overland Flood Study (MHL, Nov 2020).", "description": "

NSW government\u2019s professional specialist advisor, Manly Hydraulics Laboratory (MHL) were<\/SPAN>commissioned by Central Coast Council (CCC) to undertake a flood study for the four coastal<\/SPAN>lagoons <\/SPAN>along CCC\u2019s local government area (L<\/SPAN>GA). These lagoons are Wamberal Lagoon,<\/SPAN>Terrigal Lagoon, Avoca Lagoon and Cockrone Lake.<\/SPAN>The <\/SPAN>Study has been prepared in accordance<\/SPAN>with the New South Wales <\/SPAN>Government\u2019s <\/SPAN>Floodplain Development Manual <\/SPAN>(2005).<\/SPAN><\/P>

The flood extents were filtered to remove shallow depths area generated by the direct rainfall<\/SPAN>m<\/SPAN>ethodology. The criteria used to filter these shallow depths consisted of keeping areas<\/SPAN>where:<\/SPAN><\/P>

\u2022 <\/SPAN>Depth > 0.10 m; OR<\/SPAN><\/P>

\u2022 <\/SPAN>Depth > 0.05 m AND Velocity x Depth > 0.025 m2/s; OR<\/SPAN><\/P>

\u2022 <\/SPAN>Velocity > 2 m/s<\/SPAN><\/P>

Further to these criteria, \u201cpuddles\u201d of less than 100m<\/SPAN>2 were also removed from the extent.<\/SPAN><\/P>

<\/P>

<\/P>

<\/P><\/DIV><\/DIV><\/DIV>", "summary": "This feature depicts the 100yr (1%AEP) flood extent detailed in the Coastal Lagoons Catchments Overland Flood Study (MHL, Nov 2020).", "title": "Flooding_100_yr_GOS_Coastal_Lagoons_OFS_2020", "tags": [ "Flooding", "100yr", "1%AEP", "Coastal Lagoons" ], "type": "", "typeKeywords": [], "thumbnail": "", "url": "", "minScale": 150000000, "maxScale": 5000, "spatialReference": "", "accessInformation": "Manly Hydraulics Laboratory and Central Coast Council", "licenseInfo": "" }