Zobrazeno 1 - 10
of 118
pro vyhledávání: '"Leena Järvi"'
Autor:
Alexander Mahura, Alexander Baklanov, Risto Makkonen, Michael Boy, Tuukka Petäjä, Hanna K. Lappalainen, Roman Nuterman, Veli-Matti Kerminen, Stephen R. Arnold, Markus Jochum, Anatoly Shvidenko, Igor Esau, Mikhail Sofiev, Andreas Stohl, Tuula Aalto, Jianhui Bai, Chuchu Chen, Yafang Cheng, Oxana Drofa, Mei Huang, Leena Järvi, Harri Kokkola, Rostislav Kouznetsov, Tingting Li, Piero Malguzzi, Sarah Monks, Mads Bruun Poulsen, Steffen M. Noe, Yuliia Palamarchuk, Benjamin Foreback, Petri Clusius, Till Andreas Soya Rasmussen, Jun She, Jens Havskov Sørensen, Dominick Spracklen, Hang Su, Juha Tonttila, Siwen Wang, Jiandong Wang, Tobias Wolf-Grosse, Yongqiang Yu, Qing Zhang, Wei Zhang, Wen Zhang, Xunhua Zheng, Siqi Li, Yong Li, Putian Zhou, Markku Kulmala
Publikováno v:
Big Earth Data, Vol 8, Iss 2, Pp 189-230 (2024)
The Pan-Eurasian Experiment Modelling Platform (PEEX-MP) is one of the key blocks of the PEEX Research Programme. The PEEX MP has more than 30 models and is directed towards seamless environmental prediction. The main focus area is the Arctic-boreal
Externí odkaz:
https://doaj.org/article/641ddf799cf24b4b9ee153c8267ab48e
Autor:
Christopher M. Raymond, Alex M. Lechner, Minttu Havu, Joel Jalkanen, Jussi Lampinen, Oriol García Antúnez, Anton Stahl Olafsson, Natalie Gulsrud, Antti Kinnunen, Leif Backman, Liisa Kulmala, Leena Järvi
Publikováno v:
npj Urban Sustainability, Vol 3, Iss 1, Pp 1-13 (2023)
Abstract Managing nature-based solutions (NBS) in urban areas for carbon mitigation and biodiversity outcomes is a global policy challenge, yet little is known about how to both assess and weave diverse knowledge systems and values into carbon-biodiv
Externí odkaz:
https://doaj.org/article/058b47571b3f4848a61baeb7882ab6a7
Autor:
Wei Du, Lubna Dada, Jian Zhao, Xueshun Chen, Kaspar R. Daellenbach, Conghui Xie, Weigang Wang, Yao He, Jing Cai, Lei Yao, Yingjie Zhang, Qingqing Wang, Weiqi Xu, Yuying Wang, Guiqian Tang, Xueling Cheng, Tom V. Kokkonen, Wei Zhou, Chao Yan, Biwu Chu, Qiaozhi Zha, Simo Hakala, Mona Kurppa, Leena Järvi, Yongchun Liu, Zhanqing Li, Maofa Ge, Pingqing Fu, Wei Nie, Federico Bianchi, Tuukka Petäjä, Pauli Paasonen, Zifa Wang, Douglas R. Worsnop, Veli-Matti Kerminen, Markku Kulmala, Yele Sun
Publikováno v:
npj Climate and Atmospheric Science, Vol 4, Iss 1, Pp 1-8 (2021)
Abstract The role of new particle formation (NPF) events and their contribution to haze formation through subsequent growth in polluted megacities is still controversial. To improve the understanding of the sources, meteorological conditions, and che
Externí odkaz:
https://doaj.org/article/eb594d454ffd4a76b4a8359557fd49dd
Autor:
Maria Filioglou, Jana Preissler, Anselme Troiville, Ludovic Thobois, Ville Vakkari, Mikko Auvinen, Carl Fortelius, Erik Gregow, Karoliina Hämäläinen, Antti Hellsten, Leena Järvi, Ewan O'Connor, David Schönach, Anne Hirsikko
Publikováno v:
Meteorological Applications, Vol 29, Iss 2, Pp n/a-n/a (2022)
Abstract Wind information in urban areas is essential for many applications related to air pollution, urban climate and planning, safety of drone‐related operations, and assessment of urban wind energy potential. These applications require accurate
Externí odkaz:
https://doaj.org/article/35bae342fa5f44a494641c293e812246
Autor:
Joanne C Demmler, Ákos Gosztonyi, Yaxing Du, Matti Leinonen, Laura Ruotsalainen, Leena Järvi, Sanna Ala-Mantila
Publikováno v:
PLoS ONE, Vol 16, Iss 12, p e0260009 (2021)
BackgroundAir pollution is one of the major environmental challenges cities worldwide face today. Planning healthy environments for all future populations, whilst considering the ongoing demand for urbanisation and provisions needed to combat climate
Externí odkaz:
https://doaj.org/article/ca0bea28e04d408cac14de657eae3728
Publikováno v:
Atmospheric Environment: X, Vol 6, Iss , Pp 100073- (2020)
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 study, the effect of street trees on aerosol mass (PM10 and PM2.5) and number in a boulevard
Externí odkaz:
https://doaj.org/article/3fd788e620b846c2a47c01150aa03507
Autor:
Ioar Rivas, David C.S. Beddows, Fulvio Amato, David C. Green, Leena Järvi, Christoph Hueglin, Cristina Reche, Hilkka Timonen, Gary W. Fuller, Jarkko V. Niemi, Noemí Pérez, Minna Aurela, Philip K. Hopke, Andrés Alastuey, Markku Kulmala, Roy M. Harrison, Xavier Querol, Frank J. Kelly
Publikováno v:
Environment International, Vol 135, Iss , Pp - (2020)
Ultrafine particles (UFP) are suspected of having significant impacts on health. However, there have only been a limited number of studies on sources of UFP compared to larger particles. In this work, we identified and quantified the sources and proc
Externí odkaz:
https://doaj.org/article/e9bde332c99b4e85bf86ade7b93c0177
Publikováno v:
Atmosphere, Vol 11, Iss 2, p 201 (2020)
This study examines the statistical predictability of local wind conditions in a real urban environment under realistic atmospheric boundary layer conditions by means of Large-Eddy Simulation (LES). The computational domain features a highly detailed
Externí odkaz:
https://doaj.org/article/f13103248d1e40aa88c2447f09ba4c54
Autor:
Giovanna Ripamonti, Leena Järvi, Bjarke Mølgaard, Tareq Hussein, Annika Nordbo, Kaarle Hämeri
Publikováno v:
Tellus: Series B, Chemical and Physical Meteorology, Vol 65, Iss 0, Pp 1-17 (2013)
Three years of aerosol particle number concentrations (PNCs), size distributions and vertical particle fluxes measured at the semi-urban SMEAR III station in Helsinki, Finland, were studied. The purpose is to study the local emission sources and thei
Externí odkaz:
https://doaj.org/article/5eb7fd06853a4b2db7b315aec3747095
Publikováno v:
Tellus: Series B, Chemical and Physical Meteorology, Vol 64, Iss 0, Pp 1-20 (2012)
Eddy covariance (EC) measurements of turbulent fluxes of momentum, sensible heat and latent heat – in addition to net radiation measurements – were conducted for three consecutive years in an urban environment: Helsinki, Finland. The aims were to
Externí odkaz:
https://doaj.org/article/ba108b7926dc4840a9cea82c6705be4f