On the usefulness of atmospheric measurements for air quality evaluation in the context of recent urban meteorology findings in México City

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Main Author: X. Cruz Nùñez
Format: Artículo científico
Language:en
Published: Universidad Nacional Autónoma de México 2007
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author X. Cruz Nùñez
author_facet X. Cruz Nùñez
contents On the usefulness of atmospheric measurements for air quality evaluation in the context of recent urban meteorology findings in México City X. Cruz Nùñez A. Jazcilevich Diamant Biología meteorology México City urban air quality Air quality modeling air quality measurements In many cities, the main tool used to assess pollution abatement policies is the air quality information obtainedfrom local monitoring network. However, in the context of a complex meteorology and land use such asthose prevailing in México City, the point-wise character and lack of detailed chemistry of this information may confer conflictive or biased information. The approach to understand the problem could be not basedon solid ground. It is not until the measurement effort is complemented with detailed meteorological and airquality modeling that proper use of the information can be assured. In order to provide an example of thisassertion, the usefulness of measured air quality data is gauged in a simplified manner, constructing threedimensional graphs containing local emission concentrations of nitrogen oxides (NOx), volatile organiccompounds (VOC) and maximum ozone (O3) concentrations, that we call “ozone isopleths”, for three sitesin México City. Together with corresponding wind rose data, an interpretation of the air pollution transportin the Valley of México using only measured data is attempted. This interpretation, based on measuredinformation subject to local influences, is compared with recent air quality modeling results showing thatwhen measured data is used in conjunction with air quality modeling a better interpretation of air pollutionproblem can be obtained. A correct strategy to study the air quality problem, especially in the case of MéxicoCity where complex meteorology and land use is present, should be that both endeavors, measuring andmodeling, are pursued with equal vigor 2007 artículo científico 0187-6236 https://www.redalyc.org/articulo.oa?id=56500402 en http://www.redalyc.org/revista.oa?id=565 Atmósfera application/pdf Universidad Nacional Autónoma de México Atmósfera (México) Num.4 Vol.20
format Artículo científico
id redalyc_56500402
institution Redalyc
language en
publishDate 2007
publisher Universidad Nacional Autónoma de México
spellingShingle On the usefulness of atmospheric measurements for air quality evaluation in the context of recent urban meteorology findings in México City
X. Cruz Nùñez
Biología
meteorology
México City
urban air quality
Air quality modeling
air quality measurements
On the usefulness of atmospheric measurements for air quality evaluation in the context of recent urban meteorology findings in México City X. Cruz Nùñez A. Jazcilevich Diamant Biología meteorology México City urban air quality Air quality modeling air quality measurements In many cities, the main tool used to assess pollution abatement policies is the air quality information obtainedfrom local monitoring network. However, in the context of a complex meteorology and land use such asthose prevailing in México City, the point-wise character and lack of detailed chemistry of this information may confer conflictive or biased information. The approach to understand the problem could be not basedon solid ground. It is not until the measurement effort is complemented with detailed meteorological and airquality modeling that proper use of the information can be assured. In order to provide an example of thisassertion, the usefulness of measured air quality data is gauged in a simplified manner, constructing threedimensional graphs containing local emission concentrations of nitrogen oxides (NOx), volatile organiccompounds (VOC) and maximum ozone (O3) concentrations, that we call “ozone isopleths”, for three sitesin México City. Together with corresponding wind rose data, an interpretation of the air pollution transportin the Valley of México using only measured data is attempted. This interpretation, based on measuredinformation subject to local influences, is compared with recent air quality modeling results showing thatwhen measured data is used in conjunction with air quality modeling a better interpretation of air pollutionproblem can be obtained. A correct strategy to study the air quality problem, especially in the case of MéxicoCity where complex meteorology and land use is present, should be that both endeavors, measuring andmodeling, are pursued with equal vigor 2007 artículo científico 0187-6236 https://www.redalyc.org/articulo.oa?id=56500402 en http://www.redalyc.org/revista.oa?id=565 Atmósfera application/pdf Universidad Nacional Autónoma de México Atmósfera (México) Num.4 Vol.20
title On the usefulness of atmospheric measurements for air quality evaluation in the context of recent urban meteorology findings in México City
topic Biología
meteorology
México City
urban air quality
Air quality modeling
air quality measurements
url https://www.redalyc.org/articulo.oa?id=56500402