Europe Begins Noise Mapping Effort
Makarand writes "The European continent has begun its fight against noise pollution by initiating a
program
to map noise levels for cities in the European Union with more than 250,000 people.
As placing microphones on every building in London or Paris to measure noise
was not practical, data on the amount of traffic carried by roads and the noise levels was fed into computers to generate a model of noise levels across the city. The model's accuracy was verified by taking readings with microphones at 100 points in the city and was found to be accurate on average to within 1 decibel.
The noise maps will allow planning to insulate the public from noise by directing traffic away from residential areas and making funds available to sound-proof thin walled homes."
Sometimes I wish the U.S. government wasn't spending so much trying to build up the military and instead redirect those funds to building up the national infrastructure.
It especially pangs me when I read about things like this where the British government is spending lots of excess government funds on sound-proofing people's homes.
I have been pwned because my
I can't even get my landlord to shovel the 3 feet of snow in front of my apartment building.
About time noise pollution was taken seriously. But I'd question the solution...Instead of just diverting traffic, hopefully they look at reducing noisy types of transport and encouraging more quiet forms ---- e.g. light rail, bikes.
I don't think America worried about this as much, as there was always more land, more space, more suburban sprawl. In European areas where land has turned more of a scarcity, then we see this interesting phenonom as a solution. Perhaps the same principals will be applied to more congested American cities too. It seems a good, bottom-up approach: re-routing traffic light signals and road development based upon environmental feedback.
The Custom Mary
Does this model take into account the guy two floors down in our apartment block who practices his drumming skills on Saturday and Sunday afternoons?
According to the article, 100 microphones do, and they agree within 1 decibel.
As placing microphones on every building in London or Paris to measure noise was not practical
The Bush administration today announced strong support for the reduction of noise pollution in America. Environmental organizations, keenly aware of the administration's poor record on pollution, expressed shock at this surprise move.
Making the announcement for the administration were Attorney General John Ashcroft, FBI Director Robert Mueller, and (retired) Admiral John Poindexter. Attorney General Ashcroft explained that the Justice Department would generously fund a pilot project to monitor noise pollution in major urban areas known to harbor dissidents and Democrats. Ashcroft proclaimed that "Everyone, and especially the less-loyal elements in America, have a right to be free of the noise pollution caused by anti-war and anti-World Bank protestors, non-Christians, and really, anyone else who questions authority."
Opinions on the Twiddler2 hand-held keyboard?
For those living in Paris or wanting to move there, there is a noise map available here.
I live in the noisiest part! Time to move to the country.
I'll do it for cheesy poofs.
of how complex these issues are, is the national airport in Brussels-Belgium : being such a densely populated country, there's no practical way to have airplanes land & take off without flying over housing areas. And with both traffic and houses increasing, the problem has now reached proportions where people are starting lawsuits against the govt for noise terrorism. Some have dozens of planes flying over at low altitude per night. That's a plane every 10 minutes. You try to sleep with that. Even tripple-isolated glass & roofs can't stop the sound of a cargo airplane. Especially old, russian planes (who have now been ruled illegal for flight)
Allthough, personally i would find the noise the least of my worries : my mother in law lives near another airport (Oostende) After those huge, bulky cargo planes took off, there's a very intense kerosene odor that hangs in the streets for 15-30 minutes, depending on the weather. Yikes !
I don't understand how peeps in Singapore survive this (well.. i gues they don't...)
When will I end this grieving ? When will my future begin ?
Measured intensity is 10log(Inew/Io). However, the article said the calculated levels were accurate to within 1 db(average). That means the difference between calculated and measured was 1 db regardless of the actual level. Now, since the average was accurate within 1 db, that could mean 4 at 1/2 db difference and 1 at 3db difference for engineers. (.5+.5+.5+.5+3)/5=1
For politicians, it could mean that one was +42 and one was -38 for an average of (+48 -32)/2=1.
Beware of statistics.
a large portion of 'traffic noise' is due to bad road surfaces.
e ntinhk/ noise/data/road_surface.html
So, rather than annoying drivers by making them go a longer way round (and therefore increasing congestion and pollution) mending the roads would be a better solution.
Here are some statistics from the Hong Kong govt who are already doing this:
http://www.epd.gov.hk/epd/english/environm
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