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Järvi L, Ahongshangbam J, Havu M, Lee HS, Soininen J, Karvinen E, Karvonen A and Kulmala L (2023), "Observations and modelling of urban carbon and water fluxes to aid cities in climate mitigation and adaptation", May, 2023. Copernicus GmbH.
BibTeX:
@conference{Jaervi2023,
  author = {Järvi, Leena and Ahongshangbam, Joyson and Havu, Minttu and Lee, Hei Shing and Soininen, Jesse and Karvinen, Esko and Karvonen, Anni and Kulmala, Liisa},
  title = {Observations and modelling of urban carbon and water fluxes to aid cities in climate mitigation and adaptation},
  publisher = {Copernicus GmbH},
  year = {2023},
  doi = {10.5194/egusphere-egu23-6042}
}
Backman L, Karvinen E, Nevalainen O, Järvi L and Kulmala L (2023), "Impact of drought on urban trees – a modelling study", May, 2023. Copernicus GmbH.
BibTeX:
@conference{Backman2023,
  author = {Backman, Leif and Karvinen, Esko and Nevalainen, Olli and Järvi, Leena and Kulmala, Liisa},
  title = {Impact of drought on urban trees – a modelling study},
  publisher = {Copernicus GmbH},
  year = {2023},
  doi = {10.5194/egusphere-egu23-14793}
}
Lee HS, Havu M, Karvonen A, Ahongshangbam J, Soininen J, Ward HC, McFadden JP, Lohila A, Weber S and Järvi L (2023), "Parameterizing surface conductance of different urban vegetation types for the urban land surface model SUEWS with evaluation in two mid-latitude cities", May, 2023. Copernicus GmbH.
BibTeX:
@conference{Lee2023,
  author = {Lee, Hei Shing and Havu, Minttu and Karvonen, Anni and Ahongshangbam, Joyson and Soininen, Jesse and Ward, Helen C. and McFadden, Joseph P. and Lohila, Annalea and Weber, Stephan and Järvi, Leena},
  title = {Parameterizing surface conductance of different urban vegetation types for the urban land surface model SUEWS with evaluation in two mid-latitude cities},
  publisher = {Copernicus GmbH},
  year = {2023},
  doi = {10.5194/egusphere-egu23-10032}
}
Christen A, Emmenegger L, Hammer S, Kutsch W, D’Onofrio C, Chen J, Eritt M, Haeffelin M, Järvi L, Kljun N, Lauvaux T, Loubet B, Mauder M, Mensah AA, Papale D, Rivier L, Stagakis S and Vermeulen A (2023), "ICOS pilot observatories to monitor greenhouse gas emissions from three different-size European cities", May, 2023. Copernicus GmbH.
BibTeX:
@conference{Christen2023,
  author = {Christen, Andreas and Emmenegger, Lukas and Hammer, Samuel and Kutsch, Werner and D’Onofrio, Claudio and Chen, Jia and Eritt, Markus and Haeffelin, Martial and Järvi, Leena and Kljun, Natascha and Lauvaux, Thomas and Loubet, Benjamin and Mauder, Matthias and Mensah, Amewu A. and Papale, Dario and Rivier, Leonard and Stagakis, Stavros and Vermeulen, Alex},
  title = {ICOS pilot observatories to monitor greenhouse gas emissions from three different-size European cities},
  publisher = {Copernicus GmbH},
  year = {2023},
  doi = {10.5194/egusphere-egu23-9884}
}
Albarus I, Fleischmann G, Aigner P, Ciais P, Denier van der Gon H, Droge R, Lian J, Narvaez Rincon MA, Utard H and Lauvaux T (2023), "From political pledges to the quantitative mapping of climate mitigation plans: comparison of two European cities", May, 2023. Copernicus GmbH.
BibTeX:
@conference{Albarus2023,
  author = {Albarus, Ivonne and Fleischmann, Giorgia and Aigner, Patrick and Ciais, Philippe and Denier van der Gon, Hugo and Droge, Rianne and Lian, Jinghui and Narvaez Rincon, Miguel Andrey and Utard, Hervé and Lauvaux, Thomas},
  title = {From political pledges to the quantitative mapping of climate mitigation plans: comparison of two European cities},
  publisher = {Copernicus GmbH},
  year = {2023},
  doi = {10.5194/egusphere-egu23-301}
}
Soininen J, Rantala P, Kulmala L and Järvi L (2023), "Partitioning the urban carbon budget with carbonyl sulfide (COS) flux measurements conducted in a high-latitude city", May, 2023. Copernicus GmbH.
BibTeX:
@conference{Soininen2023,
  author = {Soininen, Jesse and Rantala, Pekka and Kulmala, Liisa and Järvi, Leena},
  title = {Partitioning the urban carbon budget with carbonyl sulfide (COS) flux measurements conducted in a high-latitude city},
  publisher = {Copernicus GmbH},
  year = {2023},
  doi = {10.5194/egusphere-egu23-7420}
}
Aigner P, Suhendra M, Yirtar B, Kühbacher D, Super I, Droste A, Denier van der Gon H, Brunner D, Kohlmeier H, Althammer T and Chen J (2023), "CO2 bottom-up emission inventory based on municipal power generation and heating data in Munich", May, 2023. Copernicus GmbH.
BibTeX:
@conference{Aigner2023,
  author = {Aigner, Patrick and Suhendra, Michael and Yirtar, Beyza and Kühbacher, Daniel and Super, Ingrid and Droste, Arjan and Denier van der Gon, Hugo and Brunner, Dominik and Kohlmeier, Helmut and Althammer, Thomas and Chen, Jia},
  title = {CO2 bottom-up emission inventory based on municipal power generation and heating data in Munich},
  publisher = {Copernicus GmbH},
  year = {2023},
  doi = {10.5194/egusphere-egu23-13451}
}
Kühbacher D, Aigner P, Super I, Droste A, Denier van der Gon H, Ilic M and Chen J (2023), "Bottom-up estimation of traffic emissions in Munich based on macroscopic traffic simulation and counting data", May, 2023. Copernicus GmbH.
BibTeX:
@conference{Kuehbacher2023,
  author = {Kühbacher, Daniel and Aigner, Patrick and Super, Ingrid and Droste, Arjan and Denier van der Gon, Hugo and Ilic, Mario and Chen, Jia},
  title = {Bottom-up estimation of traffic emissions in Munich based on macroscopic traffic simulation and counting data},
  publisher = {Copernicus GmbH},
  year = {2023},
  doi = {10.5194/egusphere-egu23-12997}
}
Grange S, Rubli P, Hueglin C, Fischer A, Baffelli S, Brunner D and Emmenegger L (2023), "Design, deployment, and exploitation of a high-density CO2 sensor network in Zürich City", May, 2023. Copernicus GmbH.
BibTeX:
@conference{Grange2023,
  author = {Grange, Stuart and Rubli, Pascal and Hueglin, Christoph and Fischer, Andrea and Baffelli, Simone and Brunner, Dominik and Emmenegger, Lukas},
  title = {Design, deployment, and exploitation of a high-density CO2 sensor network in Zürich City},
  publisher = {Copernicus GmbH},
  year = {2023},
  doi = {10.5194/egusphere-egu23-7172}
}
Ponomarev N, Steiner M, Koene E, Constantin L, Rubli P, Emmenegger L and Brunner D (2023), "Application of the ICON-ART model for CO2 fluxes estimation in the city of Zurich", May, 2023. Copernicus GmbH.
BibTeX:
@conference{Ponomarev2023,
  author = {Ponomarev, Nikolai and Steiner, Michael and Koene, Erik and Constantin, Lionel and Rubli, Pascal and Emmenegger, Lukas and Brunner, Dominik},
  title = {Application of the ICON-ART model for CO2 fluxes estimation in the city of Zurich},
  publisher = {Copernicus GmbH},
  year = {2023},
  doi = {10.5194/egusphere-egu23-7542}
}
Chen J, Wenzel A, Luther A, Forstmaier A, Aigner P, Balamurugan V, Dietrich F, Kühbacher D, Makowski M, Tang H, Zhao X, Klappenbach F, Maazallahi H, Roeckmann T, Denier van der Gon H, Jones T and Matthews B (2023), "Novel Sensor Networks and Methods for Urban Greenhouse Gas Monitoring", May, 2023. Copernicus GmbH.
BibTeX:
@conference{Chen2023,
  author = {Chen, Jia and Wenzel, Adrian and Luther, Andreas and Forstmaier, Andreas and Aigner, Patrick and Balamurugan, Vigneshkumar and Dietrich, Florian and Kühbacher, Daniel and Makowski, Moritz and Tang, Haoyue and Zhao, Xinxu and Klappenbach, Friedrich and Maazallahi, Hossein and Roeckmann, Thomas and Denier van der Gon, Hugo and Jones, Taylor and Matthews, Bradley},
  title = {Novel Sensor Networks and Methods for Urban Greenhouse Gas Monitoring},
  publisher = {Copernicus GmbH},
  year = {2023},
  doi = {10.5194/egusphere-egu23-17536}
}
Chariot M, Laurent O, Delanoe D, Nief G, Utard H and Lienhardt L (2023), "Development and deployment of a “Mid Cost” sensor network for urban Greenhouse Gases and Air Quality monitoring with a focus on CO2.", May, 2023. Copernicus GmbH.
BibTeX:
@conference{Chariot2023,
  author = {Chariot, Mali and Laurent, Olivier and Delanoe, Damien and Nief, Guillaume and Utard, Hervé and Lienhardt, Luc},
  title = {Development and deployment of a “Mid Cost” sensor network for urban Greenhouse Gases and Air Quality monitoring with a focus on CO2.},
  publisher = {Copernicus GmbH},
  year = {2023},
  doi = {10.5194/egusphere-egu23-8003}
}
Laurent O, Chariot M, Lian J, Utard H and Ramonet M (2024), "Paris Mid-cost CO2 sensor network.", March, 2024. Copernicus GmbH.
BibTeX:
@conference{Laurent2024,
  author = {Laurent, Olivier and Chariot, Mali and Lian, Jinghui and Utard, Hervé and Ramonet, Michel},
  title = {Paris Mid-cost CO2 sensor network.},
  publisher = {Copernicus GmbH},
  year = {2024},
  doi = {10.5194/egusphere-egu24-19886}
}
Marttila T, Gaziulusoy I, Berns K and Ikonen L (2024), "Real-time Data Using Services: A Co-design Opportunity in ICOS Cities Project ", March, 2024. Copernicus GmbH.
BibTeX:
@conference{Marttila2024,
  author = {Marttila, Tatu and Gaziulusoy, Idil and Berns, Katie and Ikonen, Liisa},
  title = {Real-time Data Using Services: A Co-design Opportunity in ICOS Cities Project },
  publisher = {Copernicus GmbH},
  year = {2024},
  doi = {10.5194/egusphere-egu24-18487}
}
Bouillon L, Gros V, Petit J-E, Bonnaire N, Ramonet M, Lopez M, Philippon C and Yver Kwok C (2024), "Long-term measurements of greenhouse and reactive gases, and aerosols, at Saclay/SIRTA observatory in the Ile de France Region as part of ICOS and ACTRIS  ", March, 2024. Copernicus GmbH.
BibTeX:
@conference{Bouillon2024,
  author = {Bouillon, Laura and Gros, Valérie and Petit, Jean-Eudes and Bonnaire, Nicolas and Ramonet, Michel and Lopez, Morgan and Philippon, Carole and Yver Kwok, Camille},
  title = {Long-term measurements of greenhouse and reactive gases, and aerosols, at Saclay/SIRTA observatory in the Ile de France Region as part of ICOS and ACTRIS  },
  publisher = {Copernicus GmbH},
  year = {2024},
  doi = {10.5194/egusphere-egu24-20479}
}
D’Onofrio C, Karstens U, Vermeulen A, Mirzov O and Zogopoulos Z (2024), "Challenges and opportunities from an in-house cross collaboration between three research infrastructure data repositories", March, 2024. Copernicus GmbH.
BibTeX:
@conference{D’Onofrio2024,
  author = {D’Onofrio, Claudio and Karstens, Ute and Vermeulen, Alex and Mirzov, Oleg and Zogopoulos, Zois},
  title = {Challenges and opportunities from an in-house cross collaboration between three research infrastructure data repositories},
  publisher = {Copernicus GmbH},
  year = {2024},
  doi = {10.5194/egusphere-egu24-17596}
}
Zavala-Rojas D and Blanco Bosco A (2024), "Bringing the human dimension into the measurement of greenhouse gases emissions", March, 2024. Copernicus GmbH.
BibTeX:
@conference{ZavalaRojas2024,
  author = {Zavala-Rojas, Diana and Blanco Bosco, Agustin},
  title = {Bringing the human dimension into the measurement of greenhouse gases emissions},
  publisher = {Copernicus GmbH},
  year = {2024},
  doi = {10.5194/egusphere-egu24-17770}
}
Pujadas M, Dominguez A and Benitez L (2024), "The Madrid-CIEMAT GHG Station:  the first monitoring site for surveilling the influence of urban activities on GHG background levels in Spain", March, 2024. Copernicus GmbH.
BibTeX:
@conference{Pujadas2024,
  author = {Pujadas, Manuel and Dominguez, Aida and Benitez, Luis},
  title = {The Madrid-CIEMAT GHG Station:  the first monitoring site for surveilling the influence of urban activities on GHG background levels in Spain},
  publisher = {Copernicus GmbH},
  year = {2024},
  doi = {10.5194/egusphere-egu24-19528}
}
Herig Coimbra PH, Loubet B, Laurent O, Bignotti L, Lozano M, Mauder M, Heinesch B, Bitton J and Ramonet M (2024), "Advances in Urban Greenhouse Gas Monitoring: Integrating Slow-Response Atmospheric Towers and Wavelet-Based Techniques for Flux Measurements and Attribution", March, 2024. Copernicus GmbH.
BibTeX:
@conference{HerigCoimbra2024,
  author = {Herig Coimbra, Pedro Henrique and Loubet, Benjamin and Laurent, Olivier and Bignotti, Laura and Lozano, Mathis and Mauder, Matthias and Heinesch, Bernard and Bitton, Jonathan and Ramonet, Michel},
  title = {Advances in Urban Greenhouse Gas Monitoring: Integrating Slow-Response Atmospheric Towers and Wavelet-Based Techniques for Flux Measurements and Attribution},
  publisher = {Copernicus GmbH},
  year = {2024},
  doi = {10.5194/egusphere-egu24-6214}
}
Li J, Chen J, Glauch T, Stagakis S, Tang H, Brunner D and Marshall J (2024), "Comparative Analysis of High-Resolution Urban Biogenic CO2 Fluxes Using Multiple Versions of the Vegetation Photosynthesis and Respiration Model (VPRM)", March, 2024. Copernicus GmbH.
BibTeX:
@conference{Li2024,
  author = {Li, Junwei and Chen, Jia and Glauch, Theo and Stagakis, Stavros and Tang, Haoyue and Brunner, Dominik and Marshall, Julia},
  title = {Comparative Analysis of High-Resolution Urban Biogenic CO2 Fluxes Using Multiple Versions of the Vegetation Photosynthesis and Respiration Model (VPRM)},
  publisher = {Copernicus GmbH},
  year = {2024},
  doi = {10.5194/egusphere-egu24-12190}
}
Varga T, Major I, Bán S, Baráth BÁ, Röckmann T, van Es J, van der Veen C and Molnár M (2024), "Methane and carbon dioxide observations at Debrecen, Hungary: mole fraction and isotope ratio measurements in three different seasons", March, 2024. Copernicus GmbH.
BibTeX:
@conference{Varga2024,
  author = {Varga, Tamás and Major, István and Bán, Sándor and Baráth, Balázs Áron and Röckmann, Thomas and van Es, Jacoline and van der Veen, Carina and Molnár, Mihály},
  title = {Methane and carbon dioxide observations at Debrecen, Hungary: mole fraction and isotope ratio measurements in three different seasons},
  publisher = {Copernicus GmbH},
  year = {2024},
  doi = {10.5194/egusphere-egu24-7845}
}
Ponomarev N, Steiner M, Koene E, Constantin L, Rubli P, Grange S, Emmenegger L and Brunner D (2024), "Estimation of CO2 fluxes in the city of Zurich using the mesoscale atmospheric transport and inversion model ICON-ART-CTDAS ", March, 2024. Copernicus GmbH.
BibTeX:
@conference{Ponomarev2024,
  author = {Ponomarev, Nikolai and Steiner, Michael and Koene, Erik and Constantin, Lionel and Rubli, Pascal and Grange, Stuart and Emmenegger, Lukas and Brunner, Dominik},
  title = {Estimation of CO2 fluxes in the city of Zurich using the mesoscale atmospheric transport and inversion model ICON-ART-CTDAS },
  publisher = {Copernicus GmbH},
  year = {2024},
  doi = {10.5194/egusphere-egu24-7420}
}
Bignotti L, Depuydt J, Herig Coimbra P, Stella P, Buysse P, Kalalian C, Nief G, Ramonet M and Loubet B (2024), "One-year eddy covariance CO2 fluxes at short and tall towers in the Paris area", March, 2024. Copernicus GmbH.
BibTeX:
@conference{Bignotti2024,
  author = {Bignotti, Laura and Depuydt, Jérémie and Herig Coimbra, Pedro and Stella, Patrick and Buysse, Pauline and Kalalian, Carmen and Nief, Guillaume and Ramonet, Michel and Loubet, Benjamin},
  title = {One-year eddy covariance CO2 fluxes at short and tall towers in the Paris area},
  publisher = {Copernicus GmbH},
  year = {2024},
  doi = {10.5194/egusphere-egu24-10157}
}
Grange SK, Rubli P, Fischer A, Hueglin C, Ponomarev N, Brunner D and Emmenegger L (2024), "Design, operation, and insights from Zürich city’s mid- and low-cost CO2 sensor network", March, 2024. Copernicus GmbH.
BibTeX:
@conference{Grange2024,
  author = {Grange, Stuart K. and Rubli, Pascal and Fischer, Andrea and Hueglin, Christoph and Ponomarev, Nikolai and Brunner, Dominik and Emmenegger, Lukas},
  title = {Design, operation, and insights from Zürich city’s mid- and low-cost CO2 sensor network},
  publisher = {Copernicus GmbH},
  year = {2024},
  doi = {10.5194/egusphere-egu24-5221}
}
Maiwald R, Lauvaux T, Strömberg J and Vardag SN (2024), "Applying a high-resolution atmospheric inversion framework to CO2 observations using GRAMM/GRAL", March, 2024. Copernicus GmbH.
BibTeX:
@conference{Maiwald2024,
  author = {Maiwald, Robert and Lauvaux, Thomas and Strömberg, Jani and Vardag, Sanam N.},
  title = {Applying a high-resolution atmospheric inversion framework to CO2 observations using GRAMM/GRAL},
  publisher = {Copernicus GmbH},
  year = {2024},
  doi = {10.5194/egusphere-egu24-17610}
}
Lian J, Lauvaux T, Utard H, Bréon F-M, Broquet G, Ramonet M, Laurent O, Albarus I, Chariot M, Kotthaus S, Haeffelin M, Sanchez O, Perrussel O, van der Gon HAD, Dellaert SNC and Ciais P (2023), "Can we use atmospheric COlesssubgreater2less/subgreater measurements to verify emission trends reported by cities? Lessons from a 6-year atmospheric inversion over Paris", Atmospheric Chemistry and Physics., aug, 2023. Vol. 23(15), pp. 8823-8835. Copernicus GmbH.
BibTeX:
@article{Lian2023,
  author = {Jinghui Lian and Thomas Lauvaux and Hervé Utard and François-Marie Bréon and Grégoire Broquet and Michel Ramonet and Olivier Laurent and Ivonne Albarus and Mali Chariot and Simone Kotthaus and Martial Haeffelin and Olivier Sanchez and Olivier Perrussel and Hugo Anne Denier van der Gon and Stijn Nicolaas Camiel Dellaert and Philippe Ciais},
  title = {Can we use atmospheric COlesssubgreater2less/subgreater measurements to verify emission trends reported by cities? Lessons from a 6-year atmospheric inversion over Paris},
  journal = {Atmospheric Chemistry and Physics},
  publisher = {Copernicus GmbH},
  year = {2023},
  volume = {23},
  number = {15},
  pages = {8823--8835},
  doi = {10.5194/acp-23-8823-2023}
}
Albarus I, Fleischmann G, Aigner P, Ciais P, van der Gon HD, Droge R, Lian J, Rincon MAN, Utard H and Lauvaux T (2023), "From political pledges to quantitative mapping of climate mitigation plans: Comparison of two European cities", Carbon Balance and Management., sep, 2023. Vol. 18(1) Springer Science and Business Media LLC.
BibTeX:
@article{Albarus2023a,
  author = {Ivonne Albarus and Giorgia Fleischmann and Patrick Aigner and Philippe Ciais and Hugo Denier van der Gon and Rianne Droge and Jinghui Lian and Miguel Andrey Narvaez Rincon and Hervé Utard and Thomas Lauvaux},
  title = {From political pledges to quantitative mapping of climate mitigation plans: Comparison of two European cities},
  journal = {Carbon Balance and Management},
  publisher = {Springer Science and Business Media LLC},
  year = {2023},
  volume = {18},
  number = {1},
  doi = {10.1186/s13021-023-00236-y}
}
Dolan J (2023), "Complex interactions on the path to net zero: Multi-level climate governance in Munich and Zurich.". Thesis at: School of Governance of the Bavarian School of PublicPolicy, Technical University of Munich.
Abstract: Recent years have seen over 1,000 cities across the globe set ambitious net-zero targets in recognition of their pivotal role in climate protection. Given that cities are embedded in complex multi-level governance structures, they need to engage in a range of interactions with different actors in order to reach their net-zero targets. This thesis aims to shed light on these complex interactions by investigating how two European cities, Munich and Zurich, engage with various actors as they plan and implement their net-zero strategies. The case study contributes to the literature on city-based multi-level climate governance by exploring the complex interactions which take place not only between cities and higher levels of government but also between cities and various intracity stakeholders. Through interviews, document analysis and event attendance, the study investigates how such interactions emerge, what role they play in climate governance and what kinds of challenges they present. The findings show that as cities forge their paths towards net zero, they engage in increasingly complex interactions with a variety of stakeholders, from different city departments, higher levels of government and other cities, to business, civil society and science, encountering multiple challenges along the way. How these challenges are managed will determine whether this complex web of interactions is harnessed to collectively develop solutions or results in a messy constellation of non-complementary approaches which ultimately hinder the achievement of climate goals. The study concludes with some recommendations on how cities can improve stakeholder participation platforms and how higher levels of government can better support cities in their net-zero paths.
BibTeX:
@mastersthesis{Dolan2023,
  author = {Dolan, Jessica},
  title = {Complex interactions on the path to net zero: Multi-level climate governance in Munich and Zurich.},
  school = {School of Governance of the Bavarian School of PublicPolicy, Technical University of Munich},
  year = {2023},
  url = {https://fileshare.icos-cp.eu/s/Tf9MYmoe6NnY8gH}
}
Storm I, Karstens U, D'Onofrio C, Vermeulen A and Peters W (2023), "A view of the European carbon flux landscape through the lens of the ICOS atmospheric observation network", Atmospheric Chemistry and Physics., may, 2023. Vol. 23(9), pp. 4993-5008. Copernicus GmbH.
BibTeX:
@article{Storm2023,
  author = {Ida Storm and Ute Karstens and Claudio D'Onofrio and Alex Vermeulen and Wouter Peters},
  title = {A view of the European carbon flux landscape through the lens of the ICOS atmospheric observation network},
  journal = {Atmospheric Chemistry and Physics},
  publisher = {Copernicus GmbH},
  year = {2023},
  volume = {23},
  number = {9},
  pages = {4993--5008},
  doi = {10.5194/acp-23-4993-2023}
}
Fung PL, Al-Jaghbeer O, Pirjola L, Aaltonen H and Jarvi L (2023), "Exploring the discrepancy between top-down and bottom-up approaches of fine spatio-temporal vehicular CO2 emission in an urban road network", SCIENCE OF THE TOTAL ENVIRONMENT., 2023 NOV 25, 2023. Vol. 901
Abstract: Road transport emissions of high spatial and temporal resolution are
useful for greenhouse gas emission assessment in local action plans.
However, estimating these high-resolution emissions is not
straightforward, and different indirect approaches exist. The main aim
of this study is to examine the differences in CO2 emissions obtained
with different methods within a street canyon network in Helsinki,
Finland, where a mobile laboratory campaign to quantify traffic
emissions has been conducted. We compared three aerodynamic resistance
based top-down methods (MOST1, MOST2 and BHT) and three activity based
bottom-up microscopic emission models (NGM, HBEFAv4.2 and PHEMlight).
The resulted CO2 fluxes using different methods could vary a few orders
of magnitude. The combination of MOST1 and NGM model leads to the
smallest discrepancy (sMAPE = 16.90 %) and the highest correlation
coefficient (r = 0.78) among the rest. We evaluated the discrepancies in
terms of different spatial (microenvrionments, local climate zones LCZs
and grid sizes) and temporal features (seasons and periods of day).
Measurements taken in LCZs of open high-rise regions and
microenvironments of main road tend to have larger discrepancies between
the two approaches. Using a coarser grid would lead to a relatively
small discrepancy and high correlation in the wintertime, yet a loss in
distinctive spatial variation. The discrepancies were also elevated on
winter evenings. Among all explanatory variables, relative humidity
shows the strongest relative importance for the discrepancy of the two
approaches, followed by LCZs. Therefore, we stress the importance of
choosing a suitable model for vehicular CO2 emission calculation based
on meteorological conditions and LCZs. Such model comparison made on a
local scale directly supports environmental organisations and cities'
climate action plans where detailed information of CO2 emissions are
needed.
BibTeX:
@article{Fung2023,
  author = {Fung, Pak Lun and Al-Jaghbeer, Omar and Pirjola, Liisa and Aaltonen, Hermanni and Jarvi, Leena},
  title = {Exploring the discrepancy between top-down and bottom-up approaches of fine spatio-temporal vehicular CO2 emission in an urban road network},
  journal = {SCIENCE OF THE TOTAL ENVIRONMENT},
  year = {2023},
  volume = {901},
  doi = {10.1016/j.scitotenv.2023.165827}
}
Strömberg J, Li X, Kurppa M, Kuuluvainen H, Pirjola L and Järvi L (2023), "Effect of radiation interaction and aerosol processes on ventilation and aerosol concentrations in a real urban neighbourhood in Helsinki", Atmospheric Chemistry and Physics. Vol. 23(16), pp. 9347-9364.
BibTeX:
@article{Stroemberg2023,
  author = {Strömberg, J. and Li, X. and Kurppa, M. and Kuuluvainen, H. and Pirjola, L. and Järvi, L.},
  title = {Effect of radiation interaction and aerosol processes on ventilation and aerosol concentrations in a real urban neighbourhood in Helsinki},
  journal = {Atmospheric Chemistry and Physics},
  year = {2023},
  volume = {23},
  number = {16},
  pages = {9347--9364},
  url = {https://acp.copernicus.org/articles/23/9347/2023/},
  doi = {10.5194/acp-23-9347-2023}
}
Havu M, Kulmala L, Lee HS, Saranko O, Soininen J, Ahongshangbam J and Järvi L (2024), "CO2 uptake of urban vegetation in a warming Nordic city", Urban Forestry & Urban Greening. Vol. 94, pp. 128261.
Abstract: Many cities are committed to reducing greenhouse gas emissions, improving air quality, and reducing air temperatures through climate actions. Maintaining or increasing carbon sinks in urban green areas is relevant, as the sinks compensate a part of the emissions in addition to reducing emissions themselves. This research assesses the magnitude of carbon dioxide (CO2) net uptake (i.e. respiration and CO2 uptake by photosynthesis) and local 2-m air temperature in Helsinki, Finland, using an urban ecosystem model SUEWS (The Surface Urban Energy and Water Balance Scheme), and examines their potential future changes due to climate change. The model was run at an hourly resolution within the entire city at a spatial resolution of 250 × 250 m2. Two separate simulations were considered: the present climate by simulating years 2014–2019 and the future climate in the 2050s following the climate scenario RCP8.5. Each modelled grid was further divided into natural and built surfaces using Local Climate Zones (LCZs) to determine how vegetation in forests and various urban vegetation types contributes to cooling and carbon sequestration. According to our simulations, the urban green space in Helsinki annually sequestered 36.3 ± 7.7 kt C in 2015–2019, offsetting circa 7% of the city’s anthropogenic emissions. The mean annual temperatures varied by 2.1∘C between natural and built areas within the city. Although urban forests were the strongest sinks (0.3 kg C m−2 year−1), urban neighbourhoods contributed 47% of Helsinki’s net carbon sinks. Local temperatures were expected to increase with the RCP8.5 climate scenario on average by 1.3∘C within the simulated area and CO2 net uptake by 11%, without altering existing green spaces. Overall, this research highlights the significance of urban green as carbon sinks and how climate change may influence their role in mitigating greenhouse gas emissions and local climate conditions in urban environments.
BibTeX:
@article{Havu2024,
  author = {Minttu Havu and Liisa Kulmala and Hei Shing Lee and Olli Saranko and Jesse Soininen and Joyson Ahongshangbam and Leena Järvi},
  title = {CO2 uptake of urban vegetation in a warming Nordic city},
  journal = {Urban Forestry & Urban Greening},
  year = {2024},
  volume = {94},
  pages = {128261},
  url = {https://www.sciencedirect.com/science/article/pii/S1618866724000591},
  doi = {10.1016/j.ufug.2024.128261}
}
Ahongshangbam J, Kulmala L, Soininen J, Frühauf Y, Karvinen E, Salmon Y, Lintunen A, Karvonen A and Järvi L (2023), "Sap flow and leaf gas exchange response to a drought and heatwave in urban green spaces in a Nordic city", Biogeosciences. Vol. 20(21), pp. 4455-4475.
BibTeX:
@article{Ahongshangbam2023,
  author = {Ahongshangbam, J. and Kulmala, L. and Soininen, J. and Frühauf, Y. and Karvinen, E. and Salmon, Y. and Lintunen, A. and Karvonen, A. and Järvi, L.},
  title = {Sap flow and leaf gas exchange response to a drought and heatwave in urban green spaces in a Nordic city},
  journal = {Biogeosciences},
  year = {2023},
  volume = {20},
  number = {21},
  pages = {4455--4475},
  url = {https://bg.copernicus.org/articles/20/4455/2023/},
  doi = {10.5194/bg-20-4455-2023}
}
Zhao X, Chen J, Marshall J, Gałkowski​​​​​​​ M, Hachinger S, Dietrich F, Shekhar A, Gensheimer J, Wenzel A and Gerbig C (2023), "Understanding greenhouse gas (GHG) column concentrations in Munich using the Weather Research and Forecasting (WRF) model", Atmospheric Chemistry and Physics. Vol. 23(22), pp. 14325-14347.
BibTeX:
@article{Zhao2023,
  author = {Zhao, X. and Chen, J. and Marshall, J. and Gałkowski​​​​​​​, M. and Hachinger, S. and Dietrich, F. and Shekhar, A. and Gensheimer, J. and Wenzel, A. and Gerbig, C.},
  title = {Understanding greenhouse gas (GHG) column concentrations in Munich using the Weather Research and Forecasting (WRF) model},
  journal = {Atmospheric Chemistry and Physics},
  year = {2023},
  volume = {23},
  number = {22},
  pages = {14325--14347},
  url = {https://acp.copernicus.org/articles/23/14325/2023/},
  doi = {10.5194/acp-23-14325-2023}
}