Academic literature on the topic 'Arctic, Modelling, Black Carbon, Climate'

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Journal articles on the topic "Arctic, Modelling, Black Carbon, Climate"

1

Macdonald, Katrina M., Sangeeta Sharma, Desiree Toom, et al. "Observations of atmospheric chemical deposition to high Arctic snow." Atmospheric Chemistry and Physics 17, no. 9 (2017): 5775–88. http://dx.doi.org/10.5194/acp-17-5775-2017.

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Abstract. Rapidly rising temperatures and loss of snow and ice cover have demonstrated the unique vulnerability of the high Arctic to climate change. There are major uncertainties in modelling the chemical depositional and scavenging processes of Arctic snow. To that end, fresh snow samples collected on average every 4 days at Alert, Nunavut, from September 2014 to June 2015 were analyzed for black carbon, major ions, and metals, and their concentrations and fluxes were reported. Comparison with simultaneous measurements of atmospheric aerosol mass loadings yields effective deposition velociti
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2

Kostrykin, Sergey, Anastasia Revokatova, Alexey Chernenkov, Veronika Ginzburg, Polina Polumieva, and Maria Zelenova. "Black Carbon Emissions from the Siberian Fires 2019: Modelling of the Atmospheric Transport and Possible Impact on the Radiation Balance in the Arctic Region." Atmosphere 12, no. 7 (2021): 814. http://dx.doi.org/10.3390/atmos12070814.

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The work is devoted to the study of the climatic effects of black carbon (BC) transferred from forest fires to the Arctic zone. The HYSPLIT (The Hybrid Single-Particle Lagrangian Integrated Trajectory model) trajectory model was used to initially assess the potential for particle transport from fires. The results of the trajectory analysis of the 2019 fires showed that the probability of the transfer of particles to the Arctic ranges from 1% to 10%, and in some cases increases to 20%. Detailed studies of the possible influence of BC ejected as a result of fires became possible by using the cli
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3

Ruppel, Meri M., Joana Soares, Jean-Charles Gallet, et al. "Do contemporary (1980–2015) emissions determine the elemental carbon deposition trend at Holtedahlfonna glacier, Svalbard?" Atmospheric Chemistry and Physics 17, no. 20 (2017): 12779–95. http://dx.doi.org/10.5194/acp-17-12779-2017.

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Abstract. The climate impact of black carbon (BC) is notably amplified in the Arctic by its deposition, which causes albedo decrease and subsequent earlier snow and ice spring melt. To comprehensively assess the climate impact of BC in the Arctic, information on both atmospheric BC concentrations and deposition is essential. Currently, Arctic BC deposition data are very scarce, while atmospheric BC concentrations have been shown to generally decrease since the 1990s. However, a 300-year Svalbard ice core showed a distinct increase in EC (elemental carbon, proxy for BC) deposition from 1970 to
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4

Köllner, Franziska, Johannes Schneider, Megan D. Willis, et al. "Chemical composition and source attribution of sub-micrometre aerosol particles in the summertime Arctic lower troposphere." Atmospheric Chemistry and Physics 21, no. 8 (2021): 6509–39. http://dx.doi.org/10.5194/acp-21-6509-2021.

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Abstract. Aerosol particles impact the Arctic climate system both directly and indirectly by modifying cloud properties, yet our understanding of their vertical distribution, chemical composition, mixing state, and sources in the summertime Arctic is incomplete. In situ vertical observations of particle properties in the high Arctic combined with modelling analysis on source attribution are in short supply, particularly during summer. We thus use airborne measurements of aerosol particle composition to demonstrate the strong contrast between particle sources and composition within and above th
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5

Gong, Wanmin, Stephen R. Beagley, Sophie Cousineau, et al. "Assessing the impact of shipping emissions on air pollution in the Canadian Arctic and northern regions: current and future modelled scenarios." Atmospheric Chemistry and Physics 18, no. 22 (2018): 16653–87. http://dx.doi.org/10.5194/acp-18-16653-2018.

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Abstract. A first regional assessment of the impact of shipping emissions on air pollution in the Canadian Arctic and northern regions was conducted in this study. Model simulations were carried out on a limited-area domain (at 15 km horizontal resolution) centred over the Canadian Arctic, using the Environment and Climate Change Canada's on-line air quality forecast model, GEM-MACH (Global Environmental Multi-scale – Modelling Air quality and CHemistry), to investigate the contribution from the marine shipping emissions over the Canadian Arctic waters (at both present and projected future lev
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6

Eckhardt, S., B. Quennehen, D. J. L. Olivié, et al. "Current model capabilities for simulating black carbon and sulfate concentrations in the Arctic atmosphere: a multi-model evaluation using a comprehensive measurement data set." Atmospheric Chemistry and Physics Discussions 15, no. 7 (2015): 10425–77. http://dx.doi.org/10.5194/acpd-15-10425-2015.

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Abstract. The concentrations of sulfate, black carbon (BC) and other aerosols in the Arctic are characterized by high values in late winter and spring (so-called Arctic Haze) and low values in summer. Models have long been struggling to capture this seasonality and especially the high concentrations associated with Arctic Haze. In this study, we evaluate sulfate and BC concentrations from eleven different models driven with the same emission inventory against a comprehensive pan-Arctic measurement data set over a time period of two years (2008–2009). The set of models consisted of one Lagrangi
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7

Flanner, Mark G. "Arctic climate sensitivity to local black carbon." Journal of Geophysical Research: Atmospheres 118, no. 4 (2013): 1840–51. http://dx.doi.org/10.1002/jgrd.50176.

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8

Kühn, Thomas, Kaarle Kupiainen, Tuuli Miinalainen, et al. "Effects of black carbon mitigation on Arctic climate." Atmospheric Chemistry and Physics 20, no. 9 (2020): 5527–46. http://dx.doi.org/10.5194/acp-20-5527-2020.

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Abstract. We use the ECHAM-HAMMOZ aerosol-climate model to assess the effects of black carbon (BC) mitigation measures on Arctic climate. To this end we constructed several mitigation scenarios that implement all currently existing legislation and then implement further reductions of BC in a successively increasing global area, starting from the eight member states of the Arctic Council, expanding to its active observer states, then to all observer states, and finally to the entire globe. These scenarios also account for the reduction of the co-emitted organic carbon (OC) and sulfate (SU). We
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9

Romppanen, Seita. "Arctic climate governance via EU law on black carbon?" Review of European, Comparative & International Environmental Law 27, no. 1 (2018): 45–54. http://dx.doi.org/10.1111/reel.12241.

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10

Sand, M., T. K. Berntsen, J. E. Kay, J. F. Lamarque, Ø. Seland, and A. Kirkevåg. "The Arctic response to remote and local forcing of black carbon." Atmospheric Chemistry and Physics 13, no. 1 (2013): 211–24. http://dx.doi.org/10.5194/acp-13-211-2013.

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Abstract. Recent studies suggest that the Arctic temperature response to black carbon (BC) forcing depend strongly on the location of the forcing. We investigate how atmospheric BC in the mid-latitudes remotely influence the Arctic climate, and compare this with the response to atmospheric BC located in the Arctic itself. In this study, idealized climate simulations are carried out with a fully coupled Earth System Model, which includes a comprehensive treatment of aerosol microphysics. In order to determine how BC transported to the Arctic and BC sources not reaching the Arctic impact the Arc
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