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| Subject: | [gislist] esri geodatabase models for noise?? |
| Date: |
10/27/2003 04:40:01 AM |
| From: |
Richard Nicoll |
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Dear list subscribers,
I am wondering if anyone out there has experience in building geodatabase m=
odels for noise?
We are working on a huge project to create an EU-compliant noise map of the=
UK. There are four sources of noise to include - road, rail, air, and ind=
ustry. This will be achieved by building a 3D model of the source location=
s (eg road centrelines with traffic speed and flow rate attributes), buildi=
ng heights to allow noise wave reflections, ground cover, etc. This model =
will be built in GIS software and exported into specialist noise modelling =
packages for receptor value calculations as a noise grid, following acousti=
c propogation algorithms and standards.
What I am researching is how the GIS model can be best created within a geo=
database. I have found the excellent examples on the esri data models site=
for various transport mediums etc, but none specifically for noise. The m=
ajor issue is how the different noise sources can be developed into one rel=
ational model, retaining the complex interactions between them?
If anyone has any links to similar work of noise modelling within a GIS usi=
ng geodatabases then this would be most grateful.
Thanks in advance,
Rich
Richard Nicoll=20
GI Consultant=20
Casella Stanger Information Solutions=20
Casella Group Limited=20
Great Guildford House=20
30 Great Guildford Street=20
London, U.K.=20
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T: +44 (0)20 7902 6133=20
M: +44 (0)7966 909770=20
F: +44 (0)20 7902 6149=20
E: richardnicoll@casellagroup.com=20
W: www.casellastanger.com=20
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