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 "description": "<DIV STYLE=\"text-align:Left;font-size:12pt\"><DIV><DIV><P><SPAN>This dataset is a derived subset of the USGS Coastal Storm Modeling System (CoSMoS) v3.0 Phase 2 flood projections for Southern California. To support web-based planning tools in the City of San Diego, this version includes only two scenarios:<\/SPAN><\/P><P><SPAN> <\/SPAN><\/P><P><SPAN>  1. 100-Year Flood Extent \u2013 Represents storm-induced coastal flooding under a modeled 100-year storm event<\/SPAN><\/P><P><SPAN>  2. Average Condition Flood Extent \u2013 Represents daily tidal flooding under projected sea level rise<\/SPAN><\/P><P><SPAN> <\/SPAN><\/P><P><SPAN> Key differences from the original USGS data:<\/SPAN><\/P><P><SPAN> \u2022 Converted from raster to polygon vector format in order to enable spatial queries (e.g., parcel intersections in web apps)<\/SPAN><\/P><P><SPAN> \u2022 Generalized using a 5-meter simplify tolerance to reduce vertex count and improve performance in browser-based maps<\/SPAN><\/P><P><SPAN> <\/SPAN><\/P><P><SPAN> These simplifications were essential for publishing usable layers in interactive mapping applications. The full-resolution USGS raster products can be found at:  https://www.usgs.gov/centers/pcmsc/science/coastal-storm-modeling-system-cosmos <\/SPAN><\/P><P><SPAN> or viewed in the Our Coast Our Future Application:  https://ourcoastourfuture.org/hazard-map/<\/SPAN><\/P><P><SPAN> <\/SPAN><\/P><P><SPAN> Note that due to generalization, some visual differences will exist between these polygon features and the original CoSMoS raster outputs, particularly at very fine scales or along complex shorelines. However, this vector version maintains core geographic accuracy and is suitable for neighborhood-scale planning and visualization.<\/SPAN><\/P><\/DIV><\/DIV><DIV><P><SPAN /><\/P><\/DIV><\/DIV>",
 "summary": "",
 "title": "New Group Layer",
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