Search Results - "Sporre, M"

Springtime Stratospheric Volcanic Aerosol Impact on Midlatitude Cirrus Clouds by Sporre, M. K., Friberg, J., Svenhag, C., Sourdeval, O., Storelvmo, T.

“…Explosive volcanic eruptions can reach the stratosphere and cause elevated concentrations of sulphate particles for months to years. When these particles…”
Get full text

Aerosol indirect effects on continental low-level clouds over Sweden and Finland by Sporre, M. K, Swietlicki, E, Glantz, P, Kulmala, M

“…Aerosol effects on low-level clouds over the Nordic Countries are investigated by combining in situ ground-based aerosol measurements with remote sensing data…”
Get full text

Hygroscopic properties of the ambient aerosol in southern Sweden – a two year study by s, E O, Swietlicki, E, Svenningsson, B, Kristensson, A, Frank, G P, Sporre, M

“…The hygroscopic growth of the atmospheric aerosol is a critical parameter for quantifying the anthropogenic radiative forcing. Until now, there has been a lack…”
Get full text

A long-term satellite study of aerosol effects on convective clouds in Nordic background air by Sporre, M. K, Swietlicki, E, Glantz, P, Kulmala, M

“…Aerosol-cloud interactions constitute a major uncertainty in future climate predictions. This study combines 10 years of ground-based aerosol particle…”
Get full text

Diesel soot aging in urban plumes within hours under cold dark and humid conditions by Eriksson, A. C., Wittbom, C., Roldin, P., Sporre, M., Öström, E., Nilsson, P., Martinsson, J., Rissler, J., Nordin, E. Z., Svenningsson, B., Pagels, J., Swietlicki, E.

“…Fresh and aged diesel soot particles have different impacts on climate and human health. While fresh diesel soot particles are highly aspherical and…”
Get full text

Carbonaceous aerosol source apportionment using the Aethalometer model – evaluation by radiocarbon and levoglucosan analysis at a rural background site in southern Sweden by Martinsson, Johan, Abdul Azeem, Hafiz, Sporre, Moa K, Bergström, Robert, Ahlberg, Erik, Öström, Emilie, Kristensson, Adam, Swietlicki, Erik, Eriksson Stenström, Kristina

“…With the present demand on fast and inexpensive aerosol source apportionment methods, the Aethalometer model was evaluated for a full seasonal cycle (June…”
Get full text

Numerical solution of the three-anyon problem by SPORRE, M, VERBAARSCHOT, J. J. M, ZAHED, I

“…Using the Faddeev equations in configuration space, we solve numerically the problem of three anyons interacting via harmonic forces. The relevance of our…”
Get full text

The power radiated by a slowly moving accelerated acoustic point dipole by Sporre, M.

“…This article considers the acoustic analog of a nonrelativistic accelerated point dipole. Having derived the source density of an acoustic point dipole, the…”
Get full text

Significant increase of aerosol number concentrations in air masses crossing a densely trafficked sea area by Kecorius, Simonas, Kivekäs, Niku, Kristensson, Adam, Tuch, Thomas, Covert, David S., Birmili, Wolfram, Lihavainen, Heikki, Hyvärinen, Antti-Pekka, Martinsson, Johan, Sporre, Moa K., Swietlicki, Erik, Wiedensohler, Alfred, Ulevicius, Vidmantas

“…In this study, we evaluated 10 months data (September 2009 to June 2010) of atmospheric aerosol particle number size distribution at three atmospheric…”
Get full text

Short- and long-term stratospheric impact of smoke from the 2019–2020 Australian wildfires by Friberg, Johan, Martinsson, Bengt G, Sporre, Moa K

“…At the end of December 2019 and beginning of 2020, massive firestorms in Australia formed pyrocumulonimbus clouds (pyroCbs) that acted like enormous…”
Get full text

BVOC–aerosol–climate feedbacks investigated using NorESM by Sporre, Moa K, Blichner, Sara M, Karset, Inger H. H, Makkonen, Risto, Berntsen, Terje K

“…Both higher temperatures and increased CO2 concentrations are (separately) expected to increase the emissions of biogenic volatile organic compounds (BVOCs)…”
Get full text

Reduced effective radiative forcing from cloud–aerosol interactions (ERF aci ) with improved treatment of early aerosol growth in an Earth system model by Blichner, Sara Marie, Sporre, Moa Kristina, Berntsen, Terje Koren

“…Historically, aerosols of anthropogenic origin have offset some of the warming from increased atmospheric greenhouse gas concentrations. The strength of this…”
Get full text

Five-satellite-sensor study of the rapid decline of wildfire smoke in the stratosphere by Martinsson, Bengt G, Friberg, Johan, Sandvik, Oscar S, Sporre, Moa K

“…Smoke from western North American wildfires reached the stratosphere in large amounts in August 2017. Limb-oriented satellite-based sensors are commonly used…”
Get full text

Ship plumes in the Baltic Sea Sulfur Emission Control Area: chemical characterization and contribution to coastal aerosol concentrations by Ausmeel, Stina, Eriksson, Axel, Ahlberg, Erik, Sporre, Moa K, Spanne, Mårten, Kristensson, Adam

“…In coastal areas, there is increased concern about emissions from shipping activities and the associated impact on air quality. We have assessed the ship…”
Get full text

Large difference in aerosol radiative effects from BVOC-SOA treatment in three Earth system models by Sporre, Moa K, Blichner, Sara M, Schrödner, Roland, Karset, Inger H. H, Berntsen, Terje K, van Noije, Twan, Bergman, Tommi, O'Donnell, Declan, Makkonen, Risto

“…Biogenic volatile organic compounds (BVOCs) emitted from vegetation are oxidised in the atmosphere and can form aerosol particles either by contributing to new…”
Get full text

Evaluation of aerosol and cloud properties in three climate models using MODIS observations and its corresponding COSP simulator, as well as their application in aerosol–cloud interactions by Saponaro, Giulia, Sporre, Moa K, Neubauer, David, Kokkola, Harri, Kolmonen, Pekka, Sogacheva, Larisa, Arola, Antti, de Leeuw, Gerrit, Karset, Inger H. H, Laaksonen, Ari, Lohmann, Ulrike

“…The evaluation of modelling diagnostics with appropriate observations is an important task that establishes the capabilities and reliability of models. In this…”
Get full text

Implementing detailed nucleation predictions in the Earth system model EC-Earth3.3.4: sulfuric acid–ammonia nucleation by Svenhag, Carl, Sporre, Moa K, Olenius, Tinja, Yazgi, Daniel, Blichner, Sara M, Nieradzik, Lars P, Roldin, Pontus

“…Representing detailed atmospheric aerosol processes in global Earth system models (ESMs) has proven to be challenging from both a computational and a…”
Get full text

Exploring sources of biogenic secondary organic aerosol compounds using chemical analysis and the FLEXPART model by Martinsson, Johan, Monteil, Guillaume, Sporre, Moa K, Kaldal Hansen, Anne Maria, Kristensson, Adam, Eriksson Stenström, Kristina, Swietlicki, Erik, Glasius, Marianne

“…Molecular tracers in secondary organic aerosols (SOAs) can provide information on origin of SOA, as well as regional scale processes involved in their…”
Get full text

Implementing a sectional scheme for early aerosol growth from new particle formation in the Norwegian Earth System Model v2: comparison to observations and climate impacts by Blichner, Sara M, Sporre, Moa K, Makkonen, Risto, Berntsen, Terje K

“…Aerosol–cloud interactions contribute to a large portion of the spread in estimates of climate forcing, climate sensitivity and future projections. An…”
Get full text

Methodology to obtain highly resolved SO2 vertical profiles for representation of volcanic emissions in climate models by Sandvik, Oscar S, Friberg, Johan, Sporre, Moa K, Martinsson, Bengt G

“…In this study we describe a methodology to create high-vertical-resolution SO2 profiles from volcanic emissions. We demonstrate the method's performance for…”
Get full text