ROBERT SZEP, REKA KERESZTES, ATTILA KORODI, SZENDE TONK, Alexandra Gabriela NICULAE, ADRIAN MARIUS BIRLOIU<br>Dew Point - indirect Particulate Matter Pollution Indicator <br>in the Ciuc Basin Harghita, Romania

ROBERT SZEP, REKA KERESZTES, ATTILA KORODI, SZENDE TONK, Alexandra Gabriela NICULAE, ADRIAN MARIUS BIRLOIU
Dew Point - indirect Particulate Matter Pollution Indicator
in the Ciuc Basin Harghita, Romania

Abstract:

Breathing in air polluted with drifting dust harms human health, therefore predicting the concentration of air pollutants and the timely warning of the most sensitive target groups are very important. The present paper aimed to create an easily accessible and usable model on the level of the Ciuc basin in Transylvania, Romania, in order to forecast the periods when the concentration of drifting dust exceeds the limits that are still not harmful for human health. The model was presently only tested for the conditions of the Ciuc basin, yet the examination of the results of the model based on PM10 temperature - dew point dependency, is also planned in the case of other basins. The results show that in the colder periods PM10 concentrations in the air are more abundant, and the daily variations of the concentration of this particulate matter in the air is primarily defined by specific basin conditions. The frequent atmosphere stability resulting from the relief features of the basin causes frequent temperature inversion - high barometric air pressure, increasing the relative humidity of the air. Examining the average values of several years, eight inversion episodes have been identified, generally occurring almost at the same period of the year. These are characterized by quite high PM10 concentration, low dew point depression, as well as almost saturated air mass. When the daily temperature fell below the multi-annual monthly average dew point, high PM10 concentrations could be observed. Otherwise, the concentration of PM10 particles was lower. Keywords: dew point temperature, particle matter, dew point depression, lifting condensation level, air quality index

Issue: 2016, Volume 67, Issue 10

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This article is published under the Creative Commons Attribution 4.0 International License

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