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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | RE: GISList: Flood Forecasting |
| Date: |
08/31/2001 09:32:49 AM |
| From: |
Nattis, Randy |
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Pisit,
Using GIS to map flood plains (which data is already out there), you must
understand the climo (precip) of the region of concern, past histories. GIS
is very useful in modeling flood prone areas. High resolution DEM (10 m)
might help. You would have to formulate a scheme for amount of precip into
the area (up stream, etc), current levels of rivers and streams. I could go
on, but depending on what you need, either a quick and dirty forecast or an
actually study of the entire area, based on soil moisture, snow cover (time
of year and location dependant), tributaries, flood plain, etc.
I hope I could help some more, but I'm a bit busy. If you need, please
get a hold of me at some point next week and I may be able to help some more
Take care and good luck,
Randy B. Nattis
GIS SPECIALIST / METEOROLOGIST
Tetra Tech EMI
101 Marietta Street
Suite 2400
Atlanta, GA 30303
404-225-5530
Nattisr@ttemi.com
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