@CONFERENCE{MTMT:34762086, title = {Meteorological and Soil Moisture Measurements in Mount Kenya Region at Various Scales}, url = {https://m2.mtmt.hu/api/publication/34762086}, author = {Musyimi, Peter Kinyae and Székely, Balázs and Hellen, W. Kamiri and Tom, Ouna and Weidinger, Tamás}, booktitle = {EGU General Assembly 2024 : abstracts}, doi = {10.5194/egusphere-egu24-579}, unique-id = {34762086}, year = {2024}, orcid-numbers = {Székely, Balázs/0000-0002-6552-4329; Weidinger, Tamás/0000-0001-7500-6579} } @article{MTMT:34680880, title = {Inter-annual trends of ultrafine particles in urban Europe}, url = {https://m2.mtmt.hu/api/publication/34680880}, author = {Garcia-Marlès, Meritxell and Lara, Rosa and Reche, Cristina and Pérez, Noemí and Tobías, Aurelio and Savadkoohi, Marjan and Beddows, David and Salma, Imre and Vörösmarty, Máté and Weidinger, Tamás and Hueglin, Christoph and Mihalopoulos, Nikos and Grivas, Georgios and Kalkavouras, Panayiotis and Ondracek, Jakub and Zikova, Nadezda and Niemi, Jarkko V. and Manninen, Hanna E. and Green, David C. and Tremper, Anja H. and Norman, Michael and Vratolis, Stergios and Eleftheriadis, Konstantinos and Gómez-Moreno, Francisco J. and Alonso-Blanco, Elisabeth and Wiedensohler, Alfred and Weinhold, Kay and Merkel, Maik and Bastian, Susanne and Hoffmann, Barbara and Altug, Hicran and Petit, Jean-Eudes and Favez, Olivier and Santos, Sebastiao Martins Dos and Putaud, Jean-Philippe and Dinoi, Adelaide and Contini, Daniele and Timonen, Hilkka and Lampilahti, Janne and Petäjä, Tuukka and Pandolfi, Marco and Hopke, Philip K. and Harrison, Roy M. and Alastuey, Andrés and Querol, Xavier}, doi = {10.1016/j.envint.2024.108510}, journal-iso = {ENVIRON INT}, journal = {ENVIRONMENT INTERNATIONAL}, volume = {185}, unique-id = {34680880}, issn = {0160-4120}, year = {2024}, eissn = {1873-6750}, orcid-numbers = {Garcia-Marlès, Meritxell/0000-0003-2680-5627; Lara, Rosa/0000-0003-2667-5973; Savadkoohi, Marjan/0000-0002-3707-2601; Salma, Imre/0000-0001-8319-1647; Weidinger, Tamás/0000-0001-7500-6579; Grivas, Georgios/0000-0001-5023-7039; Zikova, Nadezda/0000-0001-8753-386X; Eleftheriadis, Konstantinos/0000-0003-2265-4905; Hoffmann, Barbara/0000-0002-8435-5575; Altug, Hicran/0000-0001-9430-6155; Favez, Olivier/0000-0002-8821-1923; Contini, Daniele/0000-0003-4454-0642; Petäjä, Tuukka/0000-0002-1881-9044; Alastuey, Andrés/0000-0002-5453-5495} } @article{MTMT:34591360, title = {Soil Moisture Conservation through Crop Diversification and Related Ecosystem Services in a Blown-Sand Area with High Drought Hazard}, url = {https://m2.mtmt.hu/api/publication/34591360}, author = {Lóczy, Dénes and Dezső, József and Weidinger, Tamás and Horváth, László and Pirkhoffer, Ervin and Czigány, Szabolcs}, doi = {10.3390/plants13040494}, journal-iso = {PLANTS-BASEL}, journal = {PLANTS-BASEL}, volume = {13}, unique-id = {34591360}, abstract = {Soil moisture reserves are a key factor in maintaining soil fertility and all other related ecosystem services (including carbon sequestration, soil biodiversity, and soil erosion control). In semiarid blown-sand areas under aridification, water preservation is a particularly crucial task for agriculture. The international Diverfarming project (2017–2022), within the EU Horizon 2020 Program, focused on the impacts of crop diversification and low-input practices in all pedoclimatic regions of Europe. In this three-year experiment conducted in the Pannonian region, the impact of intercropping asparagus with different herbs on some provisioning and regulating ecosystem services was evaluated in the Kiskunság sand regions. Relying on findings based on a range of measured physical and chemical soil parameters and on crop yields and qualitative properties, advice was formulated for farmers. The message drawn from the experiment is somewhat ambiguous. The local farmers agree that crop diversification improves soil quality, but deny that it would directly influence farm competitiveness, which primarily depends on cultivation costs (such as fertilization, plant protection, and labour). Further analyses are needed to prove the long-term benefits of diversification through enriching soil microbial life and through the possible reduction of fertilizer use, while water demand is kept at a low level and the same crop-quality is ensured.}, year = {2024}, eissn = {2223-7747}, orcid-numbers = {Lóczy, Dénes/0000-0002-2542-6775; Weidinger, Tamás/0000-0001-7500-6579; Horváth, László/0000-0001-5977-288X; Pirkhoffer, Ervin/0000-0003-2917-3290; Czigány, Szabolcs/0000-0002-9158-3162} } @article{MTMT:34525421, title = {Enhancing Solar Radiation Forecasting in Diverse Moroccan Climate Zones: A Comparative Study of Machine Learning Models with Sugeno Integral Aggregation}, url = {https://m2.mtmt.hu/api/publication/34525421}, author = {Mendyl, Abderrahmane and Demir, Vahdettin and Omar, Najiya and Orhan, Osman and Weidinger, Tamás}, doi = {10.3390/atmos15010103}, journal-iso = {ATMOSPHERE-BASEL}, journal = {ATMOSPHERE}, volume = {15}, unique-id = {34525421}, abstract = {Hourly solar radiation (SR) forecasting is a vital stage in the efficient deployment of solar energy management systems. Single and hybrid machine learning (ML) models have been predominantly applied for precise hourly SR predictions based on the pattern recognition of historical heterogeneous weather data. However, the integration of ML models has not been fully investigated in terms of overcoming irregularities in weather data that may degrade the forecasting accuracy. This study investigated a strategy that highlights interactions that may exist between aggregated prediction values. In the first investigation stage, a comparative analysis was conducted utilizing three different ML models including support vector machine (SVM) regression, long short-term memory (LSTM), and multilayer artificial neural networks (MLANN) to provide insights into their relative strengths and weaknesses for SR forecasting. The comparison showed the proposed LSTM model had the greatest contribution to the overall prediction of six different SR profiles from numerous sites in Morocco. To validate the stability of the proposed LSTM, Taylor diagrams, violin plots, and Kruskal–Wallis (KW) tests were also utilized to determine the robustness of the model’s performance. Secondly, the analysis found coupling the models outputs with aggregation techniques can significantly improve the forecasting accuracy. Accordingly, a novel aggerated model that integrates the forecasting outputs of LSTM, SVM, MLANN with Sugeno λ-measure and Sugeno integral named (SLSM) was proposed. The proposed SLSM provides spatially and temporary interactions of information that are characterized by uncertainty, emphasizing the importance of the aggregation function in mitigating irregularities associated with SR data and achieving an hourly time scale forecasting accuracy with improvement of 11.7 W/m2.}, year = {2024}, eissn = {2073-4433}, orcid-numbers = {Demir, Vahdettin/0000-0002-6590-5658; Orhan, Osman/0000-0002-1362-8206; Weidinger, Tamás/0000-0001-7500-6579} } @inbook{MTMT:34524880, title = {Impact of the cooling rate on fog formation}, url = {https://m2.mtmt.hu/api/publication/34524880}, author = {Gandhi, Arun and Geresdi, István and Peterka, András and Gyöngyösi, András Zénó and Tordai, Ágoston Vilmos and Torma, Péter and Rehák, András and Bíró-Szilágyi, Mariann and Horváth, Gyula and Pappné Ferenczi, Zita and Imre, Kornélia and Lázár, István and Weidinger, Tamás}, booktitle = {Aktuális doktori kutatások a levegőkémia, a klímaváltozás és a meteorológia témakörében}, doi = {10.31852/EMF.35.2023.142.154}, unique-id = {34524880}, year = {2023}, pages = {142-154}, orcid-numbers = {Geresdi, István/0000-0002-3160-7900; Tordai, Ágoston Vilmos/0000-0002-8617-0531; Torma, Péter/0000-0001-9282-6931; Pappné Ferenczi, Zita/0000-0002-9163-4628; Imre, Kornélia/0000-0002-1242-8587; Weidinger, Tamás/0000-0001-7500-6579} } @article{MTMT:34426799, title = {The Influence of Meteorological Factors and the Time of Day on the Concentration of Ammonia in the Atmosphere Measured Using the Photoacoustic Method near a Cattle Farm—A Case Study}, url = {https://m2.mtmt.hu/api/publication/34426799}, author = {Kułek, Beata and Weidinger, Tamás}, doi = {10.3390/atmos14111703}, journal-iso = {ATMOSPHERE-BASEL}, journal = {ATMOSPHERE}, volume = {14}, unique-id = {34426799}, abstract = {Influences of animals, time of day, air temperature and relative humidity, wind speed and direction on ammonia concentrations were investigated. A case study on a typical summer day from 7:00 to approximately 24:00 CEST (moderate wind speed, variable cloudiness and maximum global radiation higher than 950 W/m2) in west–central Poland is presented. Concentrations of this gas were measured at four heights (0.1–1.5 m), which were changed every 5 min, using a Nitrolux 1000 photoacoustic spectrometer. A micrometeorological station was established to also measure the surface energy budget components. The results presented are the average for each hour and for the entire day. The fine structure of concentration profiles, plume detection and uncertainty of ammonia flux calculation are also presented. The highest NH3 concentrations were at a 0.5 m height between 16:00 and 17:00 h when cows were grazing, but the lowest concentrations were between 23:00 and 24:00 h at the height of 1.5 m. The ammonia concentration increased with increasing air temperature and was the highest with a westerly wind direction and decreased with increasing air relative humidity. The greatest influence on the ammonia concentration was related to the presence of cows and the time of day, while a slightly smaller influence was noted in terms of air temperature and wind direction. A case study is suitable for presenting local effects, inhomogeneities and quantifying uncertainties in the bidirectional ammonia flux calculation.}, year = {2023}, eissn = {2073-4433}, orcid-numbers = {Weidinger, Tamás/0000-0001-7500-6579} } @inbook{MTMT:34325400, title = {Meteorological measurements in Mount Kenya region, importance of quality control, preparatory steps and calibration}, url = {https://m2.mtmt.hu/api/publication/34325400}, author = {Musyimi, Peter Kinyae and Székely, Balázs and Weidinger, Tamás}, booktitle = {Aktuális doktori kutatások a levegőkémia, a klímaváltozás és a meteorológia témakörében}, doi = {10.31852/EMF.35.2023.155.169}, unique-id = {34325400}, year = {2023}, pages = {155-169}, orcid-numbers = {Székely, Balázs/0000-0002-6552-4329; Weidinger, Tamás/0000-0001-7500-6579} } @article{MTMT:34189383, title = {Firework smoke: Impacts on urban air quality and deposition in the human respiratory system}, url = {https://m2.mtmt.hu/api/publication/34189383}, author = {Salma, Imre and Farkas, Árpád and Weidinger, Tamás and Balogh, Miklós}, doi = {10.1016/j.envpol.2023.121612}, journal-iso = {ENVIRON POLLUT}, journal = {ENVIRONMENTAL POLLUTION}, volume = {328}, unique-id = {34189383}, issn = {0269-7491}, abstract = {Particle number concentrations and size distributions resulting from the firework displays held in Budapest, Hungary every year on St. Stephen's Day were studied over a period of seven years. In the year most impacted, the total particle number concentration reached its peak measured level of 369 x 103 cm-3 5 min after the end of the display, and returned to the pre-event state within 45 min. The fireworks increased hourly mean concentrations by a factor of 5-6, whereas the concentrations in the diameter range of 100-1000 nm, in which the magnitude of the increase was the greatest, were elevated by a factor of 20-25. An extra particle size mode at 203 nm was manifested in the size distributions as result of the fireworks. The PM10 mass concentrations at peak firework influence and as 1-h mean increased 123 and 58 times, respectively, relative to the concentration before the display. The smoke was characterised by a relatively short overall atmospheric residence time of 25 min. Spatiotemporal dispersion simulations revealed that there were substantial vertical and horizontal concentration gradients in the firework plume. The affected area made up a large part of the city. Not only the spectators of the display at the venue and nearby areas, but the population located further away downwind of the displays and more distant, large and populous urban quarters were affected by the plume and its fallout. The fireworks increased the deposition rate in the respiratory system of females by a factor of 4, as a conservative estimate. The largest surface density deposition rates were seen in the segmental and sub-segmental bronchi, which represents an excessive risk to health. Compared to adults, children were more susceptible to exposure, with the maximum surface density deposition rates in their case being three times those of adults in the trachea.}, keywords = {GROWTH; particulate matter; air pollution; pollution; simulation; size distribution; NUCLEATION; SIZE DISTRIBUTIONS; particle number concentration; ULTRAFINE ATMOSPHERIC AEROSOL; Particle formation; Fireworks; fine particulate; Plume dispersion}, year = {2023}, eissn = {1873-6424}, orcid-numbers = {Salma, Imre/0000-0001-8319-1647; Weidinger, Tamás/0000-0001-7500-6579} } @CONFERENCE{MTMT:34171916, title = {Evaluation and Improvement of the Surface Tiled Aerosol and Gaseous Exchange (STAGE) Resistance Model with Long-Term Ozone Fluxes at Multiple Sites}, url = {https://m2.mtmt.hu/api/publication/34171916}, author = {Jesse, Bash and Christian, Hogrefe and Bin, Cheng and Kiran, V Alapaty and John, T Walker and Donna, Schwede and Mhairi, Coyle and Erick, Fredj and Ignacio, Goded and Orestis, Gazetas and László, Horváth and Ivan, Mammarella and Giovanni, Manca and J, William Munger and Ralf, M Staebler and Eran, Tas and Timo, Vesala and Weidinger, Tamás and Zhiyong, Wu and Leiming, Zhang and Olivia, E Clifton}, booktitle = {24th Conference on Atmospheric Chemistry}, unique-id = {34171916}, year = {2023}, orcid-numbers = {Weidinger, Tamás/0000-0001-7500-6579} } @CONFERENCE{MTMT:34171807, title = {AQMEII4 Activity 2: A Single-Point Modeling Approach for the Intercomparison and Evaluation of Ozone Dry Deposition across Regional Air Quality Models}, url = {https://m2.mtmt.hu/api/publication/34171807}, author = {OE, Clifton and Donna, Schwede and Christian, Hogrefe and Jesse, Bash and Sam, Bland and Philip, Cheung and Mhairi, Coyle and Lisa, Emberson and Johannes, Flemming and Erick, Fredj and Stefano, Galmarini and Laurens, Ganzeveld and Orestis, Gazetas and Ignacio, Goded and Christopher, D Holmes and László, Horváth and Vincent, Huijnen and Qian, Li and Paul, Makar and Ivan, Mammarella and Giovanni, Manca and J, William Munger and Juan, L Pérez-Camanyo and Jonathan, E Pleim and Limei, Ran and Roberto, San Jose and Ralf, M Staebler and Shihan, Sun and Amos, PK Tai and Eran, Tas and Timo, Vesala and Weidinger, Tamás and Zhiyong, Wu and Leiming, Zhang}, booktitle = {103rd AMS Annual Meeting}, unique-id = {34171807}, year = {2023}, orcid-numbers = {Weidinger, Tamás/0000-0001-7500-6579} }