Comments on: Sea Level Rise, Storm Surge, And Flooding Effects Using 3DEM http://freegeographytools.com/2007/sea-level-rise-storm-surge-and-flooding-effects-using-3dem Exploring the world of free tools for GIS, GPS, Google Earth, neogeography, and more. Wed, 08 Oct 2008 01:56:38 +0000 http://wordpress.org/?v=2.6.2 By: Leszek Pawlowicz http://freegeographytools.com/2007/sea-level-rise-storm-surge-and-flooding-effects-using-3dem#comment-107 Leszek Pawlowicz Wed, 04 Apr 2007 16:45:02 +0000 http://freegeographytools.com/?p=97#comment-107 Yes, it's very simplistic - it just does a flood fill at constant water elevation, ignoring terrain effects. Even the program I'll talk about in the future only takes terrain into account, not variations in water height. That's why they charge the big bucks for COTS software. Still, these programs are free, and to first order they can give you pretty decent results. Yes, it’s very simplistic - it just does a flood fill at constant water elevation, ignoring terrain effects. Even the program I’ll talk about in the future only takes terrain into account, not variations in water height. That’s why they charge the big bucks for COTS software. Still, these programs are free, and to first order they can give you pretty decent results.

]]> By: Dave Smith http://freegeographytools.com/2007/sea-level-rise-storm-surge-and-flooding-effects-using-3dem#comment-106 Dave Smith Wed, 04 Apr 2007 14:10:02 +0000 http://freegeographytools.com/?p=97#comment-106 Great tool - good for a quick-and-dirty visualization, however water surfaces may have a profile and variable elevations dependent on terrain and other factors.<br/><br/>I tend to be spoiled with a lot of expensive COTS tools, but thank you for sharing these tools and insights! Great tool - good for a quick-and-dirty visualization, however water surfaces may have a profile and variable elevations dependent on terrain and other factors.

I tend to be spoiled with a lot of expensive COTS tools, but thank you for sharing these tools and insights!

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