Zobrazeno 1 - 10
of 248
pro vyhledávání: '"J, Merikanto"'
Autor:
L. J. Wilcox, R. J. Allen, B. H. Samset, M. A. Bollasina, P. T. Griffiths, J. Keeble, M. T. Lund, R. Makkonen, J. Merikanto, D. O'Donnell, D. J. Paynter, G. G. Persad, S. T. Rumbold, T. Takemura, K. Tsigaridis, S. Undorf, D. M. Westervelt
Publikováno v:
Geoscientific Model Development, Vol 16, Pp 4451-4479 (2023)
Changes in anthropogenic aerosol emissions have strongly contributed to global and regional trends in temperature, precipitation, and other climate characteristics and have been one of the dominant drivers of decadal trends in Asian and African preci
Externí odkaz:
https://doaj.org/article/3644f724b0234752ac90541c1483a466
Autor:
P. Räisänen, J. Merikanto, R. Makkonen, M. Savolahti, A. Kirkevåg, M. Sand, Ø. Seland, A.-I. Partanen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 11579-11602 (2022)
For short-lived climate forcers such as black carbon (BC), the atmospheric concentrations, radiative forcing (RF), and, ultimately, the subsequent effects on climate, depend on the location and timing of the emissions. Here, we employ the NorESM1-Hap
Externí odkaz:
https://doaj.org/article/e7a068d778844171b33b6dc9550d4b12
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 14941-14958 (2021)
Understanding the regional surface temperature responses to different anthropogenic climate forcing agents, such as greenhouse gases and aerosols, is crucial for understanding past and future regional climate changes. In modern climate models, the re
Externí odkaz:
https://doaj.org/article/e68af63e4b3e4b54a51e15ccac750933
Autor:
J. Merikanto, K. Nordling, P. Räisänen, J. Räisänen, D. O'Donnell, A.-I. Partanen, H. Korhonen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 5865-5881 (2021)
South and East Asian anthropogenic aerosols mostly reside in an air mass extending from the Indian Ocean to the North Pacific. Yet the surface temperature effects of Asian aerosols spread across the whole globe. Here, we remove Asian anthropogenic ae
Externí odkaz:
https://doaj.org/article/aa7ba7500a124f12b581ac2029d461fe
Autor:
L. J. Wilcox, Z. Liu, B. H. Samset, E. Hawkins, M. T. Lund, K. Nordling, S. Undorf, M. Bollasina, A. M. L. Ekman, S. Krishnan, J. Merikanto, A. G. Turner
Publikováno v:
Atmospheric Chemistry and Physics, Vol 20, Pp 11955-11977 (2020)
There is a large range of future aerosol emissions scenarios explored in the Shared Socioeconomic Pathways (SSPs), with plausible pathways spanning a range of possibilities from large global reductions in emissions by 2050 to moderate global increase
Externí odkaz:
https://doaj.org/article/02702d1f287e4c6084fdeb3aaf7af42b
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 9969-9987 (2019)
Significant discrepancies remain in estimates of climate impacts of anthropogenic aerosols between different general circulation models (GCMs). Here, we demonstrate that eliminating differences in model aerosol or radiative forcing fields results in
Externí odkaz:
https://doaj.org/article/ff0c67b6f84b40488f0d6f22190bd713
Autor:
S. Fiedler, S. Kinne, W. T. K. Huang, P. Räisänen, D. O'Donnell, N. Bellouin, P. Stier, J. Merikanto, T. van Noije, R. Makkonen, U. Lohmann
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 6821-6841 (2019)
This study assesses the change in anthropogenic aerosol forcing from the mid-1970s to the mid-2000s. Both decades had similar global-mean anthropogenic aerosol optical depths but substantially different global distributions. For both years, we quanti
Externí odkaz:
https://doaj.org/article/38ee59425f4c455ea95fea2c3c4a88d4
Akademický článek
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Autor:
S. A. K. Häkkinen, H. E. Manninen, T. Yli-Juuti, J. Merikanto, M. K. Kajos, T. Nieminen, S. D. D'Andrea, A. Asmi, J. R. Pierce, M. Kulmala, I. Riipinen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 13, Iss 15, Pp 7665-7682 (2013)
The capability to accurately yet efficiently represent atmospheric nanoparticle growth by biogenic and anthropogenic secondary organics is a challenge for current atmospheric large-scale models. It is, however, crucial to predict nanoparticle growth
Externí odkaz:
https://doaj.org/article/ae6adc04664b4650a6df1c85d455b480
Autor:
L. Laakso, J. Merikanto, V. Vakkari, H. Laakso, M. Kulmala, M. Molefe, N. Kgabi, D. Mabaso, K. S. Carslaw, D. V. Spracklen, L. A. Lee, C. L. Reddington, V.-M. Kerminen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 13, Iss 4, Pp 1957-1972 (2013)
The South African savannah region is a complex environment of air pollution and natural emissions influenced by a strong seasonal cycle in biomass burning and strong precipitation. However, the scarcity of long-term observations means that the knowle
Externí odkaz:
https://doaj.org/article/06cae58cdccc463390ade2b8abd38eb7