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==Rename to Air dispersal modeling==
==Rename to Air dispersal modeling==
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:If you really believe that the above list is inadequate, I would be happy to create another redirected page entitled "Air dispersal modeling". However, I strongly believe that the current title of the primary page is the most correct and most precise one. - [[User:Mbeychok|mbeychok]] 00:42, 22 February 2006 (UTC)
:If you really believe that the above list is inadequate, I would be happy to create another redirected page entitled "Air dispersal modeling". However, I strongly believe that the current title of the primary page is the most correct and most precise one. - [[User:Mbeychok|mbeychok]] 00:42, 22 February 2006 (UTC)

::thanks for your quick and detailed response. i am mainly trying to shorten the title and make it register with the general public. i am a scientist too and have been in the field 34 years. i agree the phrase i threw out makes little sense, but three of your other redirects would make good titles: [[Air quality modeling], [[Atmospheric dispersion modeling]] or [[Air dispersion modeling]]. would you be at peace with any of these? one of my motivations is that i am writing in a number of other air quality and environmental articles on wikipedia and it is nice to be able to use one term in the article which also becomes the title of the page to which it is linked. i think many readers get distracted when they click a link and the article title is different from the title she or he clicked. let me know what you think, best regards, [[User:Anlace|Anlace]] 01:30, 22 February 2006 (UTC)

:::I still think the current title is more precise ... but, in the spirit of cooperation, I would be at peace with [[Atmospheric dispersion modeling]]. I will make the change as soon as I can. - [[User:Mbeychok|mbeychok]] 03:08, 22 February 2006 (UTC)

==How do I move history to this renamed page?==

This page was developed by renaming and manually moving [[Dispersion modeling of air pollutants]] at the request of [[User:Anlace]]. I also changed all the pages linked or redirected to the old page to this renamed page so that they now link or redirect to this renamed page.

However, I do not know how to move the history of the old page and, thus, the history remains with the old page, namely [[Dispersion modeling of air pollutants]]. If anyone knows how to do that, please do so. - [[User:Mbeychok|mbeychok]] 04:10, 22 February 2006 (UTC)

==Regional and Global Air Quality modelling==

If Air Quality modelling redirects here then I think regional and global models should also be mentioned here. These are grid point models in general and are used for air quality forecasting and scientific studies. The basic methodology of these models seems very different from approaches such as that of Gaussian Plume approaches and this needs to be reflected in the article. I am involved in global modelling of air pollution so my knowledge of regional modelling is limited and I am aware that these approaches are also now nested for example [http://www2.dmu.dk/1_viden/2_Miljoe-tilstand/3_luft/4_Spredningsmodeller/5_thor/default_en.asp THOR].--[[User:NHSavage|NHSavage]] 07:50, 14 March 2006 (UTC)

:I agree with you that regional and global models are different from the local scale, point source Gaussian models described in this article. I also agree that regional and global models are often nested or integrated with a number of modules. The purpose of this article was to introduce readers to the simplest fundamentals of dispersion modeling without writing a book ... which is what would be required to completely cover the entire field. If you will look carefully through [[Compilation of atmospheric dispersion models]], you will see that I did include regional to global models there (in fact, I included NAMEIII developed by the UK Met Office).

:The [[:Category:Air dispersion modeling]] needs more articles. To that end, it would be quite helpful if you or one of your colleagues were to write an article on Air Quality Modeling. It would then be quite easy to change the current redirection of [[Air quality modeling]] and [[Air quality modelling]] to that new article. Would you be willing to do that?

:Regards, [[User:Mbeychok|mbeychok]] 17:06, 14 March 2006 (UTC)

::I will give it some thought. However as I said I am working more at global scale and so it would require a fair amount of research. I don't want to rush into this. I also have a long list of other articles to edit...
::Thanks for the comments though. --[[User:NHSavage|NHSavage]] 22:01, 14 March 2006 (UTC)

==Mention of other models==

I think there should be an explicit note about grid point models and maybe also something about urban dispersion modelling (street canyons etc.). Some details about gaussian models presented here could be moved into specialised article. --[[User:Lejzy|Vladimír Fuka]] 20:25, 10 September 2006 (UTC)

:Vladimir, I agree that there are a great many types of dispersion models in use today. And I think that the major types do indeed deserve to have articles written about them. However, as I said in response to NHSavage (see above), this article was written to explain the fundamentals of the classic Gaussian dispersion algorithm and the classic Brigg's plume rise calculations. If we tried to include discussions of all the various modern dispersion models in use today, this article would become much, much too large. Rather than that, I think it would be much more useful if you (or anyone else) would write separate new articles about the other types of models. Is that something you would be willing to do? - [[User:Mbeychok|mbeychok]] 23:49, 10 September 2006 (UTC)
::Well, now i have not enough free time now, because i'm preparing for finals in meteorology. Then i can try write something, but i don't feel to be much competent. But again, if the name of article is Atmospheric dispersion modeling, there should be at the beginning short info about all possibilities. At least a short list or simple mention. Also there could be a separate article Gaussian dispersion models with more details about Sutton model etc. which can not be all in this introductional article.--[[User:Lejzy|Vladimír Fuka]] 15:07, 20 September 2006 (UTC)

:::Vladimer, good luck on your finals. As for mention of other models, the "See also" list in this article includes the article [[Compilation of atmospheric dispersion models]] which has descriptions of dozens of other models of various different types. The purpose of having a "See also" section is to do just what you are asking for ... a simple mention of other model types and other related articles ... is it not?? In my mind, there is no point of a short list of other models in this article when there is already an existing article with a very long list and description of other models. Regards, - [[User:Mbeychok|mbeychok]] 15:27, 20 September 2006 (UTC)

== define subject in first line please. ==

I notice that the article starts with a description on how Atmospheric dispersion modeling is done, not what it is. Could you please start the very first sentence by defining the subject clearly, including its purpose?
Regards,[[User:Jensbn|Jens Nielsen]] 09:41, 24 March 2006 (UTC)

::Thanks for your suggestion. I have revised the opening paragraph. - [[User:Mbeychok|mbeychok]] 17:00, 24 March 2006 (UTC)

== Reason for deleting CALINE and OCD model ''See also'' links ==

The CALINE and the OCD models, along with dozens of other worldwide individual models, are listed and briefly described in the [[Compilation of atmospheric dispersion models]] article which is listed in the "See also" section. So there is no point of listing any of the individual models in the "See also" section unless there is a separate Wiki article about an individual model (such as there is for each of the eight listed individual models). [[User:Mbeychok|mbeychok]] 19:50, 18 November 2006 (UTC)

== Observational Database ==

A large [http://www.autochem.info/constituentobservationaldatabase.html observational database] of many different atmospheric constituents including radicals from a host of platforms is available. This was created as part of ESA Envisat and NASA Aura validation. It is of general use. Do you think it should be added to the article text? [[User:Dlary|Dlary]]

:As I explained when I deleted your external link to that observational data base, the link you provided led to a website that I found so difficult to understand that it was virtually incomprehensible. It was obviously written for the cognoscenti ... whereas this dispersion modeling article is no more than an introduction to the subject. Also, this dispersion modeling article does not include a discussion of atmospheric chemistry.

:I have a great deal of respect for your very advanced expertise and credentials in the field of atmospheric chemistry. In my opinion, it would be much better if you wrote a separate article on that subject and how it relates to atmospheric pollutant dispersion modeling. Would you be willing to undertake writing such an article? Regards, - [[User:Mbeychok|mbeychok]] 06:20, 3 February 2007 (UTC)

== x parameter in the gaussian equation ==

I don't understand where the "x" parameter is used in the gaussian equation, as it doesn't appear anywhere. And if the "x" parameter is not in this equation, how to have a concentration in a point of the space (parameters x,y,z) while only 2 parameters (y and z) are used ?

[[fr:User:FredB]] <small>—The preceding [[Wikipedia:Sign your posts on talk pages|unsigned]] comment was added by [[Special:Contributions/82.231.94.9|82.231.94.9]] ([[User talk:82.231.94.9|talk]]) 13:45, 11 March 2007 (UTC).</small><!-- HagermanBot Auto-Unsigned -->

:Ok I think I have understood : the "x" parameter is used for <math>\sigma_y</math> and <math>\sigma_y</math>. [[fr:User:FredB]] <small>—The preceding [[Wikipedia:Sign your posts on talk pages|unsigned]] comment was added by [[Special:Contributions/82.231.94.9|82.231.94.9]] ([[User talk:82.231.94.9|talk]]) 16:24, 11 March 2007 (UTC).</small><!-- HagermanBot Auto-Unsigned -->

::Yes, you found the correct answer to your question. - [[User:Mbeychok|mbeychok]] 18:54, 11 March 2007 (UTC)

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Rename to Air dispersal modeling

Most of links and references use that term and the existing title is offputting in its length :)...hope to hear from others on thisAnlace 18:56, 21 February 2006 (UTC)[reply]

As the primary author of the article, I disagree with you slightly. Having worked in the air dispersion modeling field for over 30 years, I am aware that it is often referred to as "air dispersion modeling" and as "atmospheric dispersion modeling". However, I have never seen the field referred to as "air dispersal modeling".
The reason for choosing the the current title when I contributed the article is simply that I felt it was more precise. The article is not about dispersion of the air nor about dispersion of the atmosphere. Rather it is about dispersion of air pollutants in the atmospheric air ... and therefore the current title is more precise.
I should point out that I also created the following pages all of which redirect the reader to the page as it is now titled:
  • Atmospheric dispersion modeling
  • Atmospheric dispersion modelling (for British Commonwealth readers)
  • Air dispersion modeling
  • Air dispersion modelling (for British Commonwealth readers)
  • Air quality modeling
  • Air quality modelling (for British Commonwealth readers)
  • Dispersion modeling
  • Dispersion modelling (for British Commonwealth readers)
  • Air Dispersion
  • Atmospheric Dispersion
If you really believe that the above list is inadequate, I would be happy to create another redirected page entitled "Air dispersal modeling". However, I strongly believe that the current title of the primary page is the most correct and most precise one. - mbeychok 00:42, 22 February 2006 (UTC)[reply]