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, 18 Nov 2009 03:05:04 -0700 http://wordpress.org/?v=2.8.6 hourly 1 By: Free GIS « Geo 11 http://freegeographytools.com/2007/sea-level-rise-storm-surge-and-flooding-effects-using-3dem/comment-page-1#comment-369 Free GIS « Geo 11 Sun, 01 Feb 2009 19:34:49 +0000 http://freegeographytools.com/?p=97#comment-369 [...] the Sea Level Rise Visualization mapplet, more advanced than the Flood Maps website mentioned in a previous post. You can set three different flooding levels, and assign different colors to them (red,orange, and [...] [...] the Sea Level Rise Visualization mapplet, more advanced than the Flood Maps website mentioned in a previous post. You can set three different flooding levels, and assign different colors to them (red,orange, and [...]

]]> By: Animated Flooding Maps - Storm Surge, Sea Level Rise And River Flooding « If Earth Could Speak http://freegeographytools.com/2007/sea-level-rise-storm-surge-and-flooding-effects-using-3dem/comment-page-1#comment-368 Animated Flooding Maps - Storm Surge, Sea Level Rise And River Flooding « If Earth Could Speak Fri, 21 Nov 2008 18:06:39 +0000 http://freegeographytools.com/?p=97#comment-368 [...] Posted in Uncategorized by ifearthcouldspeak on the November 21, 2008 “A while back, I did a post on assessing the effects of sea level rise on coastlines using the program 3DEM. Here’s a terrain image of southern Manhattan Island at current sea level [...] [...] Posted in Uncategorized by ifearthcouldspeak on the November 21, 2008 “A while back, I did a post on assessing the effects of sea level rise on coastlines using the program 3DEM. Here’s a terrain image of southern Manhattan Island at current sea level [...]

]]> By: Leszek Pawlowicz http://freegeographytools.com/2007/sea-level-rise-storm-surge-and-flooding-effects-using-3dem/comment-page-1#comment-367 Leszek Pawlowicz Wed, 04 Apr 2007 16:45:02 +0000 http://freegeographytools.com/?p=97#comment-367 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-page-1#comment-366 Dave Smith Wed, 04 Apr 2007 14:10:02 +0000 http://freegeographytools.com/?p=97#comment-366 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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