Research Topics

L?szl? Makra

Summary

Affiliation: University of Szeged
Location: Szeged, Hungary
URL: http://www.sci.u-szeged.hu/eghajlattan/english.html
Summary:
Urban air pollution
? Assessment of chemical and biological air pollutants, air quality indices, air pollution trajectory analysis;
? Association of chemical and biological air pollutants and meteorological elements with respiratory diseases as well as cardiovascular morbidity;
? Classification of daily average air pollution levels on objective and subjective weather types; efficiency and predictability of objective and subjective weather types in classifying concentrations of air pollutants;
? Identification of long-range transport patterns influencing PM10 levels in different European cities, using the HYSPLIT model; detection of atmospheric circulation pathways of airborne allergenic pollen transported to given European cities applying clustering of backward trajectories;
? Forecasting ragweed pollen characteristics over the most polluted areas in Europe; association of diurnal ragweed pollen concentrations to warm and cold weather fronts;
Grants:
Publications:
Tar, K., Makra, L., Horv?th, Sz., Kircsi, A., 2001: Temporal change of some statistical characteristics of wind speed in the Great Hungarian Plain. Theoretical and Applied Climatology, 69(1-2), 69-76.
Mika, J., Horv?th, Sz., Makra, L., 2001: Impact of documented land use changes on the surface albedo and evapotranspiration in a plain watershed. Physics and Chemistry of the Earth, Part B - Hydrology, Oceans and Atmosphere, 26(7-8), 601-606.
Makra, L., Borb?ly-Kiss, I., Koltay, E., Chen, Y., 2002: Enrichment of desert soil elements in Takla Makan dust aerosol. Nuclear Instruments & Methods in Physics Research Section B - Beam Interaction, B189, 214-220.
Makra, L., Horv?th, Sz., Pongr?cz, R., Mika, J., 2002: Long term climate deviations: an alternative approach and application on the Palmer drought severity index in Hungary. Physics and Chemistry of the Earth, Part B - Hydrology, Oceans and Atmosphere, 27, 1063-1071.
Makra, L., Juh?sz, M., Borsos, E., B?czi, R., 2004: Meteorological variables connected with airborne ragweed pollen in Southern Hungary. International Journal of Biometeorology, 49(1), 37-47.
Mayer, H., Makra, L., Kalberlah, F., Ahrens, D., Reuter, U., 2004: Air stress and air quality indices. Meteorologische Zeitschrift, 13, 395-403.
Makra, L., Brimblecombe, P., 2004: Selections from the history of environmental pollution, with special attention to air pollution. Part 1. International Journal of Environment and Pollution, 22(6), 641-656.
Makra, L., Mika, J., Horv?th, Sz., 2005: 20th century variations of the soil moisture content in East-Hungary in connection with global warming. Physics and Chemistry of the Earth, 30, 181-186.
Mika, J., Horv?th, Sz., Makra, L., Dunkel, Z., 2005: The Palmer Drought Severity Index (PDSI) as an indicator of soil moisture. Physics and Chemistry of the Earth, 30, 223-230.
Makra, L., Juh?sz, M., B?czi, R., Borsos, E., 2005: The history and impacts of airborne Ambrosia (Asteraceae) pollen in Hungary. Grana, 44(1), 57-64.
Brimblecombe, P., Makra, L., 2005: Selections from the history of environmental pollution, with special attention to air pollution. Part 2: From medieval times to the 19th century. International Journal of Environment and Pollution, 23(4), 351-367.
Makra, L., 2005: The role of traffic in modifying air quality in a medium-sized city, Szeged, Hungary. Epidemiology, 16(5), S62-S62.
Makra, L., 2005: Relation of pollutant concentrations to the Peczelys large scale weather situations in Szeged, Southern Hungary. Epidemiology, 16(5), S63-S63.
Makra, L., Mika, J., Bartzokas, A., B?czi, R., Borsos, E., S?meghy, Z., 2006: An objective classification system of air mass types for Szeged, Hungary with special interest to air pollution levels. Meteorology and Atmospheric Physics, 92(1-2), 115-137.
Makra, L., Juh?sz, M., Mika, J., Bartzokas, A., B?czi, R., S?meghy, Z., 2006: An objective classification system of air mass types for Szeged, Hungary with special attention to plant pollen levels. International Journal of Biometeorology, 50(6), 403-421.
Makra, L., 2006: Comparison of Objective Air-mass Types and the Peczely Weather Types and their Ability of Classifying Airborne Pollen Grain Concentrations in Szeged, Hungary. Epidemiology, 17(6), S292-S293. Suppl. S
Makra, L., Baglyas, V., 2006: Temporal Distribution of Extreme Airborne Pollen Grain Concentrations in Szeged, Southern Hungary. Epidemiology, 17(6), S292-S293. Suppl. S
Makra, L., Juh?sz, M., Mika, J., Bartzokas, A., B?czi, R., S?meghy, Z., 2007: Relationship between the P?czely?s large-scale weather types and airborne pollen grain concentrations for Szeged, Hungary. Grana, 46(1), 43-56.
Makra, L., Mika, J., Bartzokas, A., S?meghy, Z., 2007: Relationship between the P?czely?s large-scale weather types and air pollution levels in Szeged, Southern Hungary. Fresenius Environmental Bulletin, 16(6), 660-673.
Juhos, I., Makra, L., 2007: Linear and Non-linear Schemes in The Prediction of Urban NO and NO2 Concentrations. Epidemiology, 18(5), S8-S8. Suppl. S
Makra, L., P?lfi, S., G?l, A., B?r?, L., 2007: Long Distance Transport of Ragweed Pollen to Southern Hungary. Epidemiology, 18(5), S8-S8. Suppl. S
Juhos, I., Makra, L., T?th, B., 2008: Forecasting of traffic origin NO and NO2 concentrations by Support Vector Machines and neural networks using Principal Component Analysis. Simulation Modelling Practice and Theory, 16, 1488-1502.
Makra, L., Tomb?cz, Sz., B?lint, B., S?meghy, Z., S?nta, T., Hirsch, T., 2008: Influences of meteorological parameters and biological and chemical air pollutants to the incidence of asthma and rhinitis. Climate Research, 37(1), 99-119.
Makra, L., S?nta, T., Baranka, G., 2008: Modeling Air Pollution of Vehicular Traffic in Szeged, Southern Hungary. Epidemiology, 19(6), S85-S86. Suppl. S
Makra, L., Mika, J., Bartzokas, A., B?czi, R., S?meghy, Z., 2009: Comparison of objective air-mass types and the P?czely weather types and their ability to classify levels of air pollutants in Szeged, Hungary. International Journal of Environment and Pollution. ?Air Pollution? Special Issue (Eds: L?szl? Makra, Harry D. Kambezidis), 36(1-2-3), 81-98.
Makra, L., Kambezidis, H.D., 2009: Special Issue: Air Pollution. International Journal of Environment and Pollution. ?Air Pollution? Special Issue (Eds: L?szl? Makra, Harry D. Kambezidis), 36(1-2-3), 1-2.
Juhos, I., Makra, L., T?th, B., 2009: The behaviour of the multi-layer perceptron and the support vector regression learning methods in the prediction of NO and NO2 concentrations in Szeged, Hungary. Neural Computing and Applications, 18(2), 193-205.
Gy?ngy?si, A.Z., Weidinger, T., Makra, L., Baranka Gy., 2009: Application of a dispersion model for Szeged, a medium sized Hungarian city: a case study. Fresenius Environmental Bulletin, 18(5B), 788-797.
Makra, L., Vit?nyi, B., G?l, A., Mika, J., Matyasovszky, I., Hirsch, T., 2009: Wine Quantity and Quality Variations in Relation to Climatic Factors in the Winegrowing Region of Tokaj, Hungary. American Journal of Enology and Viticulture, 60(3), 312-321.
Makra, L., Eotvos, T., 2009: Assessment of Air Pollution with Air Quality Indices in Szeged, Southern Hungary. Epidemiology, 20(6), S97-S97, Supplement: Suppl. S
Makra, L., Matyasovszky, I., Tombacz, Sz., Karatzas, K., Anttila, P., 2009: Effect of Long-Range Transport on Urban PM10 Levels. Epidemiology, 20(6), S97-S97, Supplement: Suppl. S
Makra, L., Tombacz, Sz., Eotvos, T., Kadocsa, E., 2009: Weather and Pollutants Related Incidence of Asthma and Rhinitis. Epidemiology, 20(6), S97-S98, Supplement: Suppl. S
Horv?th, Sz., Jank? Sz?p, I., Makra, L., Mika, J., Pajt?k-Tari I., Utasi, Z., 2010: Effect of maize vegetation on the Palmer Drought Severity Index. Physics and Chemistry of the Earth, 35(1-2), 11-18.
Makra, L., Mayer, H., Mika, J., S?nta, T., Holst, J., 2010: Variations of traffic related air pollution on different time scales in Szeged, Hungary and Freiburg, Germany. Physics and Chemistry of the Earth, 35(1-2), 85-94.
Makra, L., S?nta, T., Matyasovszky, I., Damialis, A., Karatzas, K., Bergmann, K.C., Vokou, D., 2010: Airborne pollen in three European cities: Detection of atmospheric circulation pathways by applying three-dimensional clustering of backward trajectories. Journal of Geophysical Research-Atmospheres, 115, D24220, doi:10.1029/2010JD014743
Makra, L., Matyasovszky, I., Thibaudon, M., Bonini, M., 2011: Forecasting ragweed pollen characteristics with nonparametric regression methods over the most polluted areas in Europe. International Journal of Biometeorology, 55(3), 361-371.
Makra, L., Matyasovszky, I., Guba, Z., Karatzas, K., Anttila, P., 2011: Monitoring the long-range transport effects on urban PM10 levels using 3D clusters of backward trajectories. Atmospheric Environment, 45(16), 2630-2641.
Matyasovszky, I., Makra, L., 2011: Autoregressive modelling of daily ragweed pollen concentrations for Szeged in Hungary. Theoretical and Applied Climatology, 104(1-2), 277-283.
Makra, L., Matyasovszky, I., 2011: Assessment of the Daily Ragweed Pollen Concentration with Previous-Day Meteorological Variables Using Regression and Quantile Regression Analysis for Szeged, Hungary. Aerobiologia, DOI: 10.1007/s10453-010-9194-7
Matyasovszky, I., Makra, L., B?lint, B., Guba, Z., S?meghy, Z., 2011: Multivariate analysis of respiratory problems and their connection with meteorological parameters and the main biological and chemical air pollutants. Atmospheric Environment, DOI: 10.1016/j.atmosenv.2011.05.024

Publications

  1. Makra L, Juhasz M, Borsos E, Béczi R. Meteorological variables connected with airborne ragweed pollen in Southern Hungary. Int J Biometeorol. 2004;49:37-47 pubmed
    ..4% of the total variance of the original 12 variables. Assessment of the daily pollen number was performed by multiple regression analysis and results based on deseasonalised and original data were compared. ..
  2. Makra L, Juhász M, Mika J, Bartzokas A, Béczi R, Sümeghy Z. An objective classification system of air mass types for Szeged, Hungary, with special attention to plant pollen levels. Int J Biometeorol. 2006;50:403-21 pubmed
    ..Hence, anticyclonic or anticyclonic ridge weather situations seem to be relevant in classifying pollen levels. ..
  3. Makra L, Puskás J, Matyasovszky I, Csépe Z, Lelovics E, Balint B, et al. Weather elements, chemical air pollutants and airborne pollen influencing asthma emergency room visits in Szeged, Hungary: performance of two objective weather classifications. Int J Biometeorol. 2015;59:1269-89 pubmed publisher
    ..The total efficiency of the two classification approaches is similar in spite of the fact that the methodology for derivation of the individual types within the two classification approaches is completely different. ..
  4. Makra L, Csépe Z, Matyasovszky I, Deák A, Sümeghy Z, Tusnády G. The effects of the current and past meteorological elements influencing the current pollen concentrations for different taxa. Bot Stud. 2014;55:43 pubmed publisher
    ..Separation of the weight of the current and past weather conditions for different taxa involves practical importance both for health care and agricultural production. ..

Detail Information

Publications4

  1. Makra L, Juhasz M, Borsos E, Béczi R. Meteorological variables connected with airborne ragweed pollen in Southern Hungary. Int J Biometeorol. 2004;49:37-47 pubmed
    ..4% of the total variance of the original 12 variables. Assessment of the daily pollen number was performed by multiple regression analysis and results based on deseasonalised and original data were compared. ..
  2. Makra L, Juhász M, Mika J, Bartzokas A, Béczi R, Sümeghy Z. An objective classification system of air mass types for Szeged, Hungary, with special attention to plant pollen levels. Int J Biometeorol. 2006;50:403-21 pubmed
    ..Hence, anticyclonic or anticyclonic ridge weather situations seem to be relevant in classifying pollen levels. ..
  3. Makra L, Puskás J, Matyasovszky I, Csépe Z, Lelovics E, Balint B, et al. Weather elements, chemical air pollutants and airborne pollen influencing asthma emergency room visits in Szeged, Hungary: performance of two objective weather classifications. Int J Biometeorol. 2015;59:1269-89 pubmed publisher
    ..The total efficiency of the two classification approaches is similar in spite of the fact that the methodology for derivation of the individual types within the two classification approaches is completely different. ..
  4. Makra L, Csépe Z, Matyasovszky I, Deák A, Sümeghy Z, Tusnády G. The effects of the current and past meteorological elements influencing the current pollen concentrations for different taxa. Bot Stud. 2014;55:43 pubmed publisher
    ..Separation of the weight of the current and past weather conditions for different taxa involves practical importance both for health care and agricultural production. ..