Search Results - "Kurppa, Mona"

Overview of the PALM model system 6.0 by Maronga, Björn, Banzhaf, Sabine, Burmeister, Cornelia, Esch, Thomas, Forkel, Renate, Fröhlich, Dominik, Fuka, Vladimir, Gehrke, Katrin Frieda, Geletic, Jan, Giersch, Sebastian, Gronemeier, Tobias, Groß, Günter, Heldens, Wieke, Hellsten, Antti, Hoffmann, Fabian, Inagaki, Atsushi, Kadasch, Eckhard, Kanani-Sühring, Farah, Ketelsen, Klaus, Khan, Basit Ali, Knigge, Christoph, Knoop, Helge, Krc, Pavel, Kurppa, Mona, Maamari, Halim, Matzarakis, Andreas, Mauder, Matthias, Pallasch, Matthias, Pavlik, Dirk, Pfafferott, Jens, Resler, Jaroslav, Rissmann, Sascha, Russo, Emmanuele, Salim, Mohamed, Schrempf, Michael, Schwenkel, Johannes, Seckmeyer, Gunther, Schubert, Sebastian, Sühring, Matthias, von Tils, Robert, Vollmer, Lukas, Ward, Simon, Witha, Björn, Wurps, Hauke, Zeidler, Julian, Raasch, Siegfried

“…In this paper, we describe the PALM model system 6.0. PALM (formerly an abbreviation for Parallelized Large-eddy Simulation Model and now an independent name)…”
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Ventilation and Air Quality in City Blocks Using Large-Eddy Simulation—Urban Planning Perspective by Kurppa, Mona, Hellsten, Antti, Auvinen, Mikko, Raasch, Siegfried, Vesala, Timo, Järvi, Leena

“…Buildings and vegetation alter the wind and pollutant transport in urban environments. This comparative study investigates the role of orientation and shape of…”
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Technical note: Dispersion of cooking-generated aerosols from an urban street canyon by Gao, Shang, Kurppa, Mona, Chan, Chak K, Ngan, Keith

“…The dispersion of cooking-generated aerosols from an urban street canyon is examined with building-resolving computational fluid dynamics (CFD). Using a…”
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Large-eddy simulation of the optimal street-tree layout for pedestrian-level aerosol particle concentrations – A case study from a city-boulevard by Karttunen, Sasu, Kurppa, Mona, Auvinen, Mikko, Hellsten, Antti, Järvi, Leena

“…Street vegetation has been found to have both positive and negative impacts on pedestrian-level air quality, but the net effect has remained unclear. In this…”
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A 3D study on the amplification of regional haze and particle growth by local emissions by Du, Wei, Dada, Lubna, Zhao, Jian, Chen, Xueshun, Daellenbach, Kaspar R., Xie, Conghui, Wang, Weigang, He, Yao, Cai, Jing, Yao, Lei, Zhang, Yingjie, Wang, Qingqing, Xu, Weiqi, Wang, Yuying, Tang, Guiqian, Cheng, Xueling, Kokkonen, Tom V., Zhou, Wei, Yan, Chao, Chu, Biwu, Zha, Qiaozhi, Hakala, Simo, Kurppa, Mona, Järvi, Leena, Liu, Yongchun, Li, Zhanqing, Ge, Maofa, Fu, Pingqing, Nie, Wei, Bianchi, Federico, Petäjä, Tuukka, Paasonen, Pauli, Wang, Zifa, Worsnop, Douglas R., Kerminen, Veli-Matti, Kulmala, Markku, Sun, Yele

“…The role of new particle formation (NPF) events and their contribution to haze formation through subsequent growth in polluted megacities is still…”
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Anthropogenic and biogenic influence on VOC fluxes at an urban background site in Helsinki, Finland by Rantala, Pekka, Järvi, Leena, Taipale, Risto, Laurila, Terhi K, Patokoski, Johanna, Kajos, Maija K, Kurppa, Mona, Haapanala, Sami, Siivola, Erkki, Petäjä, Tuukka, Ruuskanen, Taina M, Rinne, Janne

“…We measured volatile organic compounds (VOCs), carbon dioxide (CO2) and carbon monoxide (CO) at an urban background site near the city centre of Helsinki,…”
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Added Value of Vaisala AQT530 Sensors as a Part of a Sensor Network for Comprehensive Air Quality Monitoring by Petäjä, Tuukka, Ovaska, Aino, Fung, Pak Lun, Poutanen, Pyry, Yli-Ojanperä, Jaakko, Suikkola, Jari, Laakso, Mikko, Mäkelä, Taneli, Niemi, Jarkko V., Keskinen, Jorma, Järvinen, Anssi, Kuula, Joel, Kurppa, Mona, Hussein, Tareq, Tarkoma, Sasu, Kulmala, Markku, Karppinen, Ari, Manninen, Hanna E., Timonen, Hilkka

“…Poor air quality influences the quality of life in the urban environment. The regulatory observation stations provide the backbone for the city administration…”
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Determinants of spatial variability of air pollutant concentrations in a street canyon network measured using a mobile laboratory and a drone by Järvi, Leena, Kurppa, Mona, Kuuluvainen, Heino, Rönkkö, Topi, Karttunen, Sasu, Balling, Anna, Timonen, Hilkka, Niemi, Jarkko V., Pirjola, Liisa

“…Urban air pollutant concentrations are highly variable both in space and time. In order to understand these variabilities high-resolution measurements of air…”
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An operational urban air quality model ENFUSER, based on dispersion modelling and data assimilation by Johansson, Lasse, Karppinen, Ari, Kurppa, Mona, Kousa, Anu, Niemi, Jarkko V., Kukkonen, Jaakko

“…An operational urban air quality modelling system ENFUSER is presented with an evaluation against measured data. ENFUSER combines several dispersion modelling…”
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Effect of radiation interaction and aerosol processes on ventilation and aerosol concentrations in a real urban neighbourhood in Helsinki by Strömberg, Jani, Li, Xiaoyu, Kurppa, Mona, Kuuluvainen, Heino, Pirjola, Liisa, Järvi, Leena

“…Large-eddy simulation (LES) is an optimal tool to examine aerosol particle concentrations in detail within urban neighbourhoods. The concentrations are a…”
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The Synergistic Role of Sulfuric Acid, Bases, and Oxidized Organics Governing New‐Particle Formation in Beijing by Yan, Chao, Yin, Rujing, Lu, Yiqun, Dada, Lubna, Yang, Dongsen, Fu, Yueyun, Kontkanen, Jenni, Deng, Chenjuan, Garmash, Olga, Ruan, Jiaxin, Baalbaki, Rima, Schervish, Meredith, Cai, Runlong, Bloss, Matthew, Chan, Tommy, Chen, Tianzeng, Chen, Qi, Chen, Xuemeng, Chen, Yan, Chu, Biwu, Dällenbach, Kaspar, Foreback, Benjamin, He, Xucheng, Heikkinen, Liine, Jokinen, Tuija, Junninen, Heikki, Kangasluoma, Juha, Kokkonen, Tom, Kurppa, Mona, Lehtipalo, Katrianne, Li, Haiyan, Li, Hui, Li, Xiaoxiao, Liu, Yiliang, Ma, Qingxin, Paasonen, Pauli, Rantala, Pekka, Pileci, Rosaria E., Rusanen, Anton, Sarnela, Nina, Simonen, Pauli, Wang, Shixian, Wang, Weigang, Wang, Yonghong, Xue, Mo, Yang, Gan, Yao, Lei, Zhou, Ying, Kujansuu, Joni, Petäjä, Tuukka, Nie, Wei, Ma, Yan, Ge, Maofa, He, Hong, Donahue, Neil M., Worsnop, Douglas R., Veli‐Matti Kerminen, Wang, Lin, Liu, Yongchun, Zheng, Jun, Kulmala, Markku, Jiang, Jingkun, Bianchi, Federico

“…Intense and frequent new particle formation (NPF) events have been observed in polluted urban environments, yet the dominant mechanisms are still under debate…”
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Boundary-layer height and surface stability at Hyytiälä, Finland, in ERA5 and observations by Sinclair, Victoria Anne, Ritvanen, Jenna, Urbancic, Gabin, Statnaia, Irina, Batrak, Yurii, Moisseev, Dmitri, Kurppa, Mona

“…We investigate the boundary-layer (BL) height at Hyytiälä in southern Finland diagnosed from radiosonde observations, a microwave radiometer (MWR) and ERA5…”
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The effect of COVID-19 restrictions on atmospheric new particle formation in Beijing by Yan, Chao, Shen, Yicheng, Stolzenburg, Dominik, Dada, Lubna, Qi, Ximeng, Hakala, Simo, Sundström, Anu-Maija, Guo, Yishuo, Lipponen, Antti, Kokkonen, Tom V, Kontkanen, Jenni, Cai, Runlong, Cai, Jing, Chan, Tommy, Chen, Liangduo, Chu, Biwu, Deng, Chenjuan, Du, Wei, Fan, Xiaolong, He, Xu-Cheng, Kangasluoma, Juha, Kujansuu, Joni, Kurppa, Mona, Li, Chang, Li, Yiran, Lin, Zhuohui, Liu, Yiliang, Liu, Yuliang, Lu, Yiqun, Nie, Wei, Pulliainen, Jouni, Qiao, Xiaohui, Wang, Yonghong, Wen, Yifan, Wu, Ye, Yang, Gan, Yao, Lei, Yin, Rujing, Zhang, Gen, Zhang, Shaojun, Zheng, Feixue, Zhou, Ying, Arola, Antti, Tamminen, Johanna, Paasonen, Pauli, Sun, Yele, Wang, Lin, Donahue, Neil M, Liu, Yongchun, Bianchi, Federico, Daellenbach, Kaspar R, Worsnop, Douglas R, Kerminen, Veli-Matti, Petäjä, Tuukka, Ding, Aijun, Jiang, Jingkun, Kulmala, Markku

“…During the COVID-19 lockdown, the dramatic reduction of anthropogenic emissions provided a unique opportunity to investigate the effects of reduced…”
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Development of an atmospheric chemistry model coupled to the PALM model system 6.0: implementation and first applications by Khan, Basit, Banzhaf, Sabine, Chan, Edward C, Forkel, Renate, Kanani-Sühring, Farah, Ketelsen, Klaus, Kurppa, Mona, Maronga, Björn, Mauder, Matthias, Raasch, Siegfried, Russo, Emmanuele, Schaap, Martijn, Sühring, Matthias

“…In this article we describe the implementation of an online-coupled gas-phase chemistry model in the turbulence-resolving PALM model system 6.0 (formerly an…”
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Implementation of the sectional aerosol module SALSA2.0 into the PALM model system 6.0: model development and first evaluation by Kurppa, Mona, Hellsten, Antti, Roldin, Pontus, Kokkola, Harri, Tonttila, Juha, Auvinen, Mikko, Kent, Christoph, Kumar, Prashant, Maronga, Bjorn, Jarvi, Leena

“…Urban pedestrian-level air quality is a result of an interplay between turbulent dispersion conditions, background concentrations, and heterogeneous local…”
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Measurement report: A multi-year study on the impacts of Chinese New Year celebrations on air quality in Beijing, China by Foreback, Benjamin, Dada, Lubna, Daellenbach, Kaspar R, Yan, Chao, Wang, Lili, Chu, Biwu, Zhou, Ying, Kokkonen, Tom V, Kurppa, Mona, Pileci, Rosaria E, Wang, Yonghong, Chan, Tommy, Kangasluoma, Juha, Zhuohui, Lin, Guo, Yishou, Li, Chang, Baalbaki, Rima, Kujansuu, Joni, Fan, Xiaolong, Feng, Zemin, Rantala, Pekka, Gani, Shahzad, Bianchi, Federico, Kerminen, Veli-Matti, Petäjä, Tuukka, Kulmala, Markku, Liu, Yongchun, Paasonen, Pauli

“…This study investigates the influence of the Chinese New Year (CNY) celebrations on local air quality in Beijing from 2013 through 2019. CNY celebrations…”
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Sensitivity of spatial aerosol particle distributions to the boundary conditions in the PALM model system 6.0 by Kurppa, Mona, Roldin, Pontus, Strömberg, Jani, Balling, Anna, Karttunen, Sasu, Kuuluvainen, Heino, Niemi, Jarkko V, Pirjola, Liisa, Rönkkö, Topi, Timonen, Hilkka, Hellsten, Antti, Järvi, Leena

“…High-resolution modelling is needed to understand urban air quality and pollutant dispersion in detail. Recently, the PALM model system 6.0, which is based on…”
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Machine-learning models to replicate large-eddy simulations of air pollutant concentrations along boulevard-type streets by Lange, Moritz, Suominen, Henri, Kurppa, Mona, Järvi, Leena, Oikarinen, Emilia, Savvides, Rafael, Puolamäki, Kai

“…Running large-eddy simulations (LESs) can be burdensome and computationally too expensive from the application point of view, for example, to support urban…”
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Description and evaluation of the community aerosol dynamics model MAFOR v2.0 by Karl, Matthias, Pirjola, Liisa, Grönholm, Tiia, Kurppa, Mona, Anand, Srinivasan, Zhang, Xiaole, Held, Andreas, Sander, Rolf, Dal Maso, Miikka, Topping, David, Jiang, Shuai, Kangas, Leena, Kukkonen, Jaakko

“…Numerical models are needed for evaluating aerosol processes in the atmosphere in state-of-the-art chemical transport models, urban-scale dispersion models,…”
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Sensitivity analysis of the PALM model system 6.0 in the urban environment by Belda, Michal, Resler, Jaroslav, Geletic, Jan, Krc, Pavel, Maronga, Björn, Sühring, Matthias, Kurppa, Mona, Kanani-Sühring, Farah, Fuka, Vladimír, Eben, KryÅ¡tof, BeneÅ¡ová, Nina, Auvinen, Mikko

“…Sensitivity of the PALM model 6.0 with respect to land-surface and building properties is tested in a real urban environment in the vicinity of a typical…”
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