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  • 1.
    Amorim, Jorge Humberto
    et al.
    SMHI, Research Department, Air quality.
    Asker, Christian
    SMHI, Research Department, Air quality.
    Belusic, Danijel
    SMHI, Research Department, Climate research - Rossby Centre.
    Carvalho, Ana
    SMHI, Research Department, Air quality.
    Engardt, Magnuz
    SMHI, Research Department, Air quality.
    Gidhagen, Lars
    SMHI, Research Department, Air quality.
    Hundecha, Yeshewatesfa
    SMHI, Research Department, Hydrology.
    Körnich, Heiner
    SMHI, Research Department, Meteorology.
    Lind, Petter
    SMHI, Research Department, Climate research - Rossby Centre.
    Olsson, Esbjörn
    SMHI, Research Department, Meteorology.
    Olsson, Jonas
    SMHI, Research Department, Hydrology.
    Segersson, David
    SMHI, Research Department, Air quality.
    Strombäck, Lena
    SMHI, Research Department, Hydrology.
    Joe, Paul
    Baklanov, Alexander
    Integrated Urban Services for European cities: the Stockholm case2018In: WMO Bulletin, ISSN 0042-9767, Vol. 67, no 2, p. 33-40Article in journal (Refereed)
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  • 2.
    Amorim, Jorge Humberto
    et al.
    SMHI, Research Department, Air quality.
    Engardt, Magnuz
    Johansson, Christer
    Ribeiro, Isabel
    SMHI, Research Department, Air quality.
    Sannebro, Magnus
    Regulating and Cultural Ecosystem Services of Urban Green Infrastructure in the Nordic Countries: A Systematic Review2021In: International Journal of Environmental Research and Public Health, ISSN 1661-7827, E-ISSN 1660-4601, Vol. 18, no 3, article id 1219Article in journal (Refereed)
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  • 3.
    Amorim, Jorge Humberto
    et al.
    SMHI, Research Department, Air quality.
    Segersson, David
    SMHI, Research Department, Air quality.
    Körnich, Heiner
    SMHI, Research Department, Meteorology.
    Asker, Christian
    SMHI, Research Department, Air quality.
    Olsson, Esbjörn
    SMHI, Research Department, Meteorology.
    Gidhagen, Lars
    SMHI, Research Department, Air quality.
    High resolution simulation of Stockholm's air temperature and its interactions with urban development2020In: Urban Climate, E-ISSN 2212-0955, Vol. 32, article id 100632Article in journal (Refereed)
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    fulltext
  • 4.
    Amorim, Jorge Humberto
    et al.
    SMHI, Research Department, Air quality.
    Valente, J.
    Cascao, P.
    Ribeiro, L. M.
    Viegas, D. X.
    Ottmar, R.
    Miranda, A. I.
    Near-source grid-based measurement of CO and PM2.5 concentration during a full-scale fire experiment in southern European shrubland2016In: Atmospheric Environment, ISSN 1352-2310, E-ISSN 1873-2844, Vol. 145, p. 19-28Article in journal (Refereed)
  • 5. Baldacchini, Chiara
    et al.
    Castanheiro, Ana
    Maghakyan, Nairuhi
    Sgrigna, Gregorio
    Verhelst, Jolien
    Alonso, Rocio
    Amorim, Jorge Humberto
    SMHI, Research Department, Air quality.
    Bellan, Patrick
    Bojovic, Danijela Dunisijevic
    Breuste, Juergen
    Buhler, Oliver
    Cantar, Ilie C.
    Carinanos, Paloma
    Carriero, Giulia
    Churkina, Galina
    Dinca, Lucian
    Esposito, Raffaela
    Gawronski, Stanislaw W.
    Kern, Maren
    Le Thiec, Didier
    Moretti, Marco
    Ningal, Tine
    Rantzoudi, Eleni C.
    Sinjur, Iztok
    Stojanova, Biljana
    Urosevic, Mira Anicic
    Velikova, Violeta
    Zivojinovic, Ivana
    Sahakyan, Lilit
    Calfapietra, Carlo
    Samson, Roeland
    How Does the Amount and Composition of PM Deposited on Platanus acerifolia Leaves Change Across Different Cities in Europe?2017In: Environmental Science and Technology, ISSN 0013-936X, E-ISSN 1520-5851, Vol. 51, no 3, p. 1147-1156Article in journal (Refereed)
  • 6. Borrego, C.
    et al.
    Amorim, Jorge Humberto
    SMHI, Research Department, Air quality.
    Tchepel, O.
    Dias, D.
    Rafael, S.
    Sa, E.
    Pimentel, C.
    Fontes, T.
    Fernandes, P.
    Pereira, S. R.
    Bandeira, J. M.
    Coelho, M. C.
    Urban scale air quality modelling using detailed traffic emissions estimates2016In: Atmospheric Environment, ISSN 1352-2310, E-ISSN 1873-2844, Vol. 131, p. 341-351Article in journal (Refereed)
    Abstract [en]

    The atmospheric dispersion of NOx and PM10 was simulated with a second generation Gaussian model over a medium-size south-European city. Microscopic traffic models calibrated with GPS data were used to derive typical driving cycles for each road link, while instantaneous emissions were estimated applying a combined Vehicle Specific Power/Co-operative Programme for Monitoring and Evaluation of the Long-range Transmission of Air Pollutants in Europe (VSP/EMEP) methodology. Site-specific background concentrations were estimated using time series analysis and a low-pass filter applied to local observations. Air quality modelling results are compared against measurements at two locations for a 1 week period. 78% of the results are within a factor of two of the observations for 1-h average concentrations, increasing to 94% for daily averages. Correlation significantly improves when background is added, with an average of 0.89 for the 24 h record. The results highlight the potential of detailed traffic and instantaneous exhaust emissions estimates, together with filtered urban background, to provide accurate input data to Gaussian models applied at the urban scale. (C) 2016 Elsevier Ltd. All rights reserved.

  • 7. Dias, Daniela
    et al.
    Amorim, Jorge Humberto
    SMHI, Research Department, Air quality.
    Sa, Elisa
    Borrego, Carlos
    Fontes, Tania
    Fernandes, Paulo
    Pereira, Sergio Ramos
    Bandeira, Jorge
    Coelho, Margarida C.
    Tchepel, Oxana
    Assessing the importance of transportation activity data for urban emission inventories2018In: Transportation Research Part D: Transport and Environment, ISSN 1361-9209, E-ISSN 1879-2340, Vol. 62, p. 27-35Article in journal (Refereed)
  • 8. Felix, Erika
    et al.
    Gidhagen, Lars
    SMHI, Research Department, Air quality.
    Alonso, Marcelo F.
    Nahirny, Everaldo P.
    Alves, Bruno L.
    Segersson, David
    SMHI, Research Department, Air quality.
    Amorim, Jorge Humberto
    SMHI, Research Department, Air quality.
    Passive sampling as a feasible tool for mapping and model evaluation of the spatial distribution of nitrogen oxides in the city of Curitiba, Brazil2019In: Air quality, atmosphere and health, ISSN 1873-9318, E-ISSN 1873-9326, Vol. 12, no 7, p. 837-846Article in journal (Refereed)
  • 9.
    Gidhagen, Lars
    et al.
    SMHI, Research Department, Air quality.
    Krecl, Patricia
    Targino, Admir Creso
    Polezer, Gabriela
    Godoi, Ricardo H. M.
    Felix, Erika
    Cipoli, Yago A.
    Charres, Isabella
    Malucelli, Francisco
    Wolf, Alyson
    Alonso, Marcelo
    Segersson, David
    SMHI, Research Department, Air quality.
    Castelhano, Francisco J.
    Amorim, Jorge Humberto
    SMHI, Research Department, Air quality.
    Mendonca, Francisco
    An integrated assessment of the impacts of PM2.5 and black carbon particles on the air quality of a large Brazilian city2021In: Air quality, atmosphere and health, ISSN 1873-9318, E-ISSN 1873-9326Article in journal (Refereed)
    Abstract [en]

    Data on airborne fine particle (PM2.5) emissions and concentrations in cities are valuable for traffic and air quality managers, urban planners, health practitioners, researchers, and ultimately for legislators and decision makers. Emissions and ambient concentrations of PM2.5 and black carbon (BC) were assessed in the city of Curitiba, southern Brazil. The methodology combined a month-long monitoring campaign with both fixed and mobile instruments, development of emission inventories, and dispersion model simulations on different scales. The mean urban background PM2.5 concentrations during the campaign were 7.3 mu g m(-3) in Curitiba city center, but three- to fourfold higher (25.3 mu g m(-3)) in a residential area on the city's outskirts, indicating the presence of local sources, possibly linked to biomass combustion. BC concentrations seemed to be more uniformly distributed over the city, with mean urban background concentrations around 2 mu g m(-3), half of which due to local traffic emissions. Higher mean BC concentrations (3-5 mu g m(-3)) were found along busy roads. The dispersion modeling also showed high PM2.5 and BC concentrations along the heavily transited ring road. However, the lack of in situ data over these peripheral areas prevented the verification of the model output. The vehicular emission factors for PM2.5 and BC from the literature were found not to be suitable for Curitiba's fleet and needed to be adjusted. The integrated approach of this study can be implemented in other cities, as long as an open data policy and a close cooperation among regional, municipal authorities and academia can be achieved.

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    An integrated assessment of the impacts of PM2.5 and black carbon particles on the air quality of a large Brazilian city
  • 10.
    Gidhagen, Lars
    et al.
    SMHI, Research Department, Air quality.
    Olsson, Jonas
    SMHI, Research Department, Hydrology.
    Amorim, Jorge Humberto
    SMHI, Research Department, Air quality.
    Asker, Christian
    SMHI, Research Department, Air quality.
    Belušić, Danijel
    SMHI, Research Department, Climate research - Rossby Centre.
    Carvalho, Ana Cristina
    SMHI, Research Department, Air quality.
    Engardt, Magnuz
    Hundecha, Yeshewatesfa
    SMHI, Research Department, Hydrology.
    Körnich, Heiner
    SMHI, Research Department, Meteorology.
    Lind, Petter
    SMHI, Research Department, Climate research - Rossby Centre.
    Lindstedt, David
    SMHI, Research Department, Climate research - Rossby Centre.
    Olsson, Esbjörn
    SMHI, Research Department, Meteorology.
    Rosberg, Jörgen
    SMHI, Research Department, Hydrology.
    Segersson, David
    SMHI, Research Department, Air quality.
    Strombäck, Lena
    SMHI, Research Department, Hydrology.
    Towards climate services for European cities: Lessons learnt from the Copernicus project Urban SIS2020In: Urban Climate, E-ISSN 2212-0955, Vol. 31, article id 100549Article in journal (Refereed)
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    fulltext
  • 11. Grote, Ruediger
    et al.
    Samson, Roeland
    Alonso, Rocio
    Amorim, Jorge Humberto
    SMHI, Research Department, Air quality.
    Carinanos, Paloma
    Churkina, Galina
    Fares, Silvano
    Le Thiec, Didier
    Niinemets, Ulo
    Mikkelsen, Teis Norgaard
    Paoletti, Elena
    Tiwary, Abhishek
    Calfapietra, Carlo
    Functional traits of urban trees: air pollution mitigation potential2016In: Frontiers in Ecology and the Environment, ISSN 1540-9295, E-ISSN 1540-9309, Vol. 14, no 10, p. 543-550Article in journal (Refereed)
  • 12. Hiemstra, J.A.
    et al.
    Saaroni, H.
    Amorim, Jorge Humberto
    SMHI, Research Department, Air quality.
    The Urban Heat Island: Thermal Comfort and the Role of Urban Greening2017In: The Urban Forest - Cultivating Green Infrastructure for People and the Environment / [ed] D. Pearlmutter, C. Calfapietra, R. Samson, L. O'Brien, S.K. Ostoić, G. Sanesi, R.A. del Amo, Springer International Publishing , 2017, p. 7-19Chapter in book (Refereed)
  • 13. Miranda, A.I
    et al.
    Martins, Helena
    SMHI, Research Department, Climate research - Rossby Centre.
    Valente, J.
    Amorim, Jorge Humberto
    SMHI, Research Department, Air quality.
    Borrego, C.
    Tavares, R.
    Samson, R.
    del Amo, R.A.
    Case Studies: Modeling the Atmospheric Benefits of Urban Greening2017In: The Urban Forest - Cultivating Green Infrastructure for People and the Environment / [ed] D. Pearlmutter, C. Calfapietra, R. Samson, L. O'Brien, S.K. Ostoić, G. Sanesi, R.A. del Amo, Springer International Publishing , 2017, p. 89-99Chapter in book (Refereed)
  • 14.
    Persson, Gunn
    et al.
    SMHI, Professional Services.
    Wikberger, Christina
    Amorim, Jorge Humberto
    SMHI, Research Department, Air quality.
    Klimatanpassa nordiska städer med grön infrastruktur2018Report (Other academic)
    Abstract [sv]

    Förtätning av städer och pågående klimatförändring ökar behovet av anpassningsåtgärder. Grön infrastruktur och naturbaserade lösningar kan bidra till att skapa mer hälsosamma och långsiktigt hållbara städer. För att öka användningen av grön infrastruktur som en del i klimatanpassningen behöver vi förstå vilka kunskapsluckor och andra hinder som ligger i vägen för att grön infrastruktur ska användas i klimatanpassningsarbetet.

    SMHI har under år 2018 tillsammans med Stockholms stad drivit det av forskningsrådet Formas finansierade projektet ”Grön infrastruktur och klimat i nordiska städer: idag och i framtiden”. Sammanställningen av rapporter och workshops i projektet visar att det finns mycket kunskap och tillgängliga exempel på hur urbana gröna lösningar kan se ut. Det saknas dock svar på de kvantitativa effekterna av olika åtgärder avseende till exempel temperatur, luftkvalitet, påverkan på hälsa och sociala aspekter.

    De åtgärder som i dag görs i nordiska städer baseras huvudsakligen på behovet av att lösa dagvattenfrågor. Det finns få exempel på städer som använder grön infrastruktur och naturbaserade lösningar som klimatanpassningsåtgärder när det gäller värme. Samtidigt är aktörerna medvetna om övriga positiva effekter som tillkommer såsom trivsel, svalka och biologisk mångfald.

    Eftersom grön infrastruktur och naturbaserade lösningar är ganska nya åtgärder i klimatanpassningsarbetet så saknas oftast erfarenheter av långtidseffekter. Skötsel kan vara ett problem, trots bra anvisningar. Aktörerna pekar också på behovet av att engagera de boende kontinuerligt. Det tycks handla om att skapa en djupare förståelse för varför anläggningar ser ut som de gör och hur de ska skötas.

    Vid workshops och webbinarium efterfrågades vilka kunskapsluckor deltagarna såg. Ekonomi och kunskap om effekter lyftes fram tydligt i svaren. Dessutom önskades metoder för anläggning och drift, goda exempel, planeringsverktyg och underlag om temperatur och vatten.

    Ekonomi och kunskapsbrist ansågs som hinder för genomförande, vilket framkom vid workshops och webbinarium. Andra hinder som nämndes var politiska beslut, lagstiftning, avsaknad av riktlinjer, förtätning och konkurrens om mark liksom planerings- och samordningssvårigheter. En tröghet i att ändra traditionellt planerande och utförande pekades också ut som hinder. Många efterfrågar kunskap allmänt. Vår förhoppning är att denna rapport kan bidra till att inspirera och informera om var material finns. 

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  • 15. Saaroni, H.
    et al.
    Amorim, Jorge Humberto
    SMHI, Research Department, Air quality.
    Hiemstra, J. A.
    Pearlmutter, D.
    Urban Green Infrastructure as a tool for urban heat mitigation: Survey of research methodologies and findings across different climatic regions2018In: Urban Climate, E-ISSN 2212-0955, Vol. 24, p. 94-110Article in journal (Refereed)
  • 16. Samson, Roeland
    et al.
    Moretti, Marco
    Amorim, Jorge Humberto
    SMHI, Research Department, Air quality.
    Branquinho, Cristina
    Fares, Silvano
    Morelli, Federico
    Niinemets, Ülo
    Paolett, Elena
    Pinho, Pedro
    Sgrigna, Gregorio
    Stojanovski, Vladimir
    Tiwary, Abhishek
    Sicard, Pierre
    Calfapietra, Carlo
    Towards an integrative approach to evaluate the environmental ecosystem services provided by urban forest2019In: Journal of Forestry Research, ISSN 1007-662X, E-ISSN 1993-0607, p. 1-16Article in journal (Refereed)
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    fulltext
  • 17. Silva, F. C.
    et al.
    Borrego, C.
    Keizer, J. J.
    Amorim, Jorge Humberto
    SMHI, Research Department, Air quality.
    Verheijen, F. G. A.
    Effects of moisture content on wind erosion thresholds of biochar2015In: Atmospheric Environment, ISSN 1352-2310, E-ISSN 1873-2844, Vol. 123, p. 121-128Article in journal (Refereed)
    Abstract [en]

    Biochar, i.e. pyrolysed biomass, as a soil conditioner is gaining increasing attention in research and industry, with guidelines and certifications being developed for biochar production, storage and handling, as well as for application to soils. Adding water to biochar aims to reduce its susceptibility to become airborne during and after the application to soils, thereby preventing, amongst others, human health issues from inhalation. The Bagnold model has previously been modified to explain the threshold friction velocity of coal particles at different moisture contents, by adding an adhesive effect. However, it is unknown if this model also works for biochar particles. We measured the threshold friction velocities of a range of biochar particles (woody feedstock) under a range of moisture contents by using a wind tunnel, and tested the performance of the modified Bagnold model. Results showed that the threshold friction velocity can be significantly increased by keeping the gravimetric moisture content at or above 15% to promote adhesive effects between the small particles. For the specific biochar of this study, the modified Bagnold model accurately estimated threshold friction velocities of biochar particles up to moisture contents of 10%. (C) 2015 Elsevier Ltd. All rights reserved.

  • 18.
    Wang, Fuxing
    et al.
    SMHI, Research Department, Climate research - Rossby Centre.
    Belušić, Danijel
    SMHI, Research Department, Climate research - Rossby Centre.
    Amorim, Jorge Humberto
    SMHI, Research Department, Meteorology.
    Ribeiro, Isabel
    SMHI, Research Department, Meteorology.
    Assessing the impacts of physiography refinement on Stockholm summer urban temperature simulated with an offline land surface model2023In: Urban Climate, E-ISSN 2212-0955, Vol. 49, article id 101531Article in journal (Refereed)
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    Assessing the impacts of physiography refinement on Stockholm summer urban temperature simulated with an offline land surface model
1 - 18 of 18
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