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New US Elevation Data Needed for Floods
posted by Satri
on Tuesday February 06, @01:36PM
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from the always-wanting-more dept.
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All Points Blog links to a short article on the requirement of higher resolution DEMs in the U.S., specifically for flood mapping. From the article: "Maps being used to calculate flood danger in the United States rely on data that are decades out of date, according to a report that calls for a new national program to remap land levels.
The National Research Council yesterday proposed an "Elevation for the Nation" program to produce up-to-date data."
Related Stories
Application Domains: Global Archive Map of Extreme Flood Events
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Vector One shares a link to the Dartmouth Global Archive Map of Extreme Flood Events since 1985. From Vector One: "Indivudal years may be displayed. It is interesting to note that floods have occurred just about everywhere on the planet."
Application Domains: Mapping the Flood in the U.K. and Data Access 1 comment
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Two geoblogs offers several links on the floods in the U.K, first, on the Brain Off blog and then two entries from Mapperz. From the Brain Off: " This thread about UK flood mapping on the OpenStreetMap mailing list demonstrates that OpenStreetMap is one of the best angles to approach mapping for disaster response. [...] The floods again highlight issues with closed government data. The Environment Agency has come under criticism for restricting use of flooding data after the floods last month in the North." See also related stories.
Application Domains: New USGS Map For Tracking Floods
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An online, user-friendly map that tracks flood conditions has been developed by the U.S. Geological Survey (USGS).
As expected rains drive flood waters higher along the Mississippi River Valley, USGS crews are in the field collecting data needed to update the flood maps, prepare forecasts, manage the flood and warn communities.
This new system is part of the USGS WaterWatch suite of web-based streamflow products and can be accessed at the Map of flood and high flow conditions Web site.
Read the entire story at www.geocomm.com.
As expected rains drive flood waters higher along the Mississippi River Valley, USGS crews are in the field collecting data needed to update the flood maps, prepare forecasts, manage the flood and warn communities.
This new system is part of the USGS WaterWatch suite of web-based streamflow products and can be accessed at the Map of flood and high flow conditions Web site.
Read the entire story at www.geocomm.com.
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