Zobrazeno 1 - 10
of 74
pro vyhledávání: '"S. R. Freitas"'
Autor:
Y. Li, D. Tong, S. Ma, S. R. Freitas, R. Ahmadov, M. Sofiev, X. Zhang, S. Kondragunta, R. Kahn, Y. Tang, B. Baker, P. Campbell, R. Saylor, G. Grell, F. Li
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 3083-3101 (2023)
Plume height plays a vital role in wildfire smoke dispersion and the subsequent effects on air quality and human health. In this study, we assess the impact of different plume rise schemes on predicting the dispersion of wildfire air pollution and th
Externí odkaz:
https://doaj.org/article/72ad5f0a3844413396bcd269cd72939c
Publikováno v:
Geoscientific Model Development, Vol 15, Pp 8085-8109 (2022)
A new open biomass burning inventory is presented that relies on the fire radiative power data from the Visible Infrared Imaging Radiometer Suite (VIIRS) on board the Suomi NPP satellite. This VIIRS-based Fire Emission Inventory (VFEI) provides emiss
Externí odkaz:
https://doaj.org/article/b7efef1d2dc4433d859cf9f7d724369b
Publikováno v:
Geoscientific Model Development, Vol 14, Pp 5393-5411 (2021)
Recent developments and options in the GF (Grell and Freitas, 2014; Freitas et al., 2018) convection parameterization are presented. The parameterization has been expanded to a trimodal spectral size to simulate three convection modes: shallow, conge
Externí odkaz:
https://doaj.org/article/dbd1df921be9429bb2afa5a4b0d5da24
Autor:
D. S. Moreira, K. M. Longo, S. R. Freitas, M. A. Yamasoe, L. M. Mercado, N. E. Rosário, E. Gloor, R. S. M. Viana, J. B. Miller, L. V. Gatti, K. T. Wiedemann, L. K. G. Domingues, C. C. S. Correia
Publikováno v:
Atmospheric Chemistry and Physics, Vol 17, Pp 14785-14810 (2017)
Every year, a dense smoke haze covers a large portion of South America originating from fires in the Amazon Basin and central parts of Brazil during the dry biomass burning season between August and October. Over a large portion of South America,
Externí odkaz:
https://doaj.org/article/5faaf57d17ee41c1adc18f428af34f35
Publikováno v:
Atmospheric Chemistry and Physics, Vol 17, Iss 3, Pp 2373-2392 (2017)
Smoke aerosols prevail throughout Amazonia because of widespread biomass burning during the dry season, and external mixing, low variability in the particle size distribution and low particle hygroscopicity are typical. There can be profound effects
Externí odkaz:
https://doaj.org/article/360b7de5b66549c681b67f4951f3edce
Autor:
S. R. Freitas, J. Panetta, K. M. Longo, L. F. Rodrigues, D. S. Moreira, N. E. Rosário, P. L. Silva Dias, M. A. F. Silva Dias, E. P. Souza, E. D. Freitas, M. Longo, A. Frassoni, A. L. Fazenda, C. M. Santos e Silva, C. A. B. Pavani, D. Eiras, D. A. França, D. Massaru, F. B. Silva, F. C. Santos, G. Pereira, G. Camponogara, G. A. Ferrada, H. F. Campos Velho, I. Menezes, J. L. Freire, M. F. Alonso, M. S. Gácita, M. Zarzur, R. M. Fonseca, R. S. Lima, R. A. Siqueira, R. Braz, S. Tomita, V. Oliveira, L. D. Martins
Publikováno v:
Geoscientific Model Development, Vol 10, Iss 1, Pp 189-222 (2017)
We present a new version of the Brazilian developments on the Regional Atmospheric Modeling System (BRAMS), in which different previous versions for weather, chemistry, and carbon cycle were unified in a single integrated modeling system software. Th
Externí odkaz:
https://doaj.org/article/9e11539a29b64841a536f6dd1d7d30f0
Publikováno v:
Atmospheric Chemistry and Physics, Vol 16, Pp 9201-9219 (2016)
We quantified the effects of the plume rise of biomass burning aerosol and gases for the forest fires that occurred in Saskatchewan, Canada, in July 2010. For this purpose, simulations with different assumptions regarding the plume rise and the ver
Externí odkaz:
https://doaj.org/article/d4cbac67f4f64d6198f95989947dc12e
Autor:
G. Pereira, R. Siqueira, N. E. Rosário, K. L. Longo, S. R. Freitas, F. S. Cardozo, J. W. Kaiser, M. J. Wooster
Publikováno v:
Atmospheric Chemistry and Physics, Vol 16, Pp 6961-6975 (2016)
Fires associated with land use and land cover changes release large amounts of aerosols and trace gases into the atmosphere. Although several inventories of biomass burning emissions cover Brazil, there are still considerable uncertainties and dif
Externí odkaz:
https://doaj.org/article/3386a2d115e14565bc0aa3fd809f43ea
Autor:
S. Archer-Nicholls, D. Lowe, E. Darbyshire, W. T. Morgan, M. M. Bela, G. Pereira, J. Trembath, J. W. Kaiser, K. M. Longo, S. R. Freitas, H. Coe, G. McFiggans
Publikováno v:
Geoscientific Model Development, Vol 8, Iss 3, Pp 549-577 (2015)
The South American Biomass Burning Analysis (SAMBBA) field campaign took detailed in situ flight measurements of aerosol during the 2012 dry season to characterise biomass burning aerosol and improve understanding of its impacts on weather and cli
Externí odkaz:
https://doaj.org/article/e569110df181480abc6093446ab621d0
Autor:
M. M. Bela, K. M. Longo, S. R. Freitas, D. S. Moreira, V. Beck, S. C. Wofsy, C. Gerbig, K. Wiedemann, M. O. Andreae, P. Artaxo
Publikováno v:
Atmospheric Chemistry and Physics, Vol 15, Iss 2, Pp 757-782 (2015)
The Regional Carbon Balance in Amazonia (BARCA) campaign provided the first Amazon Basin-wide aircraft measurements of ozone (O3) during both the dry-to-wet (November and December 2008) and wet-to-dry (May 2009) transition seasons. Extremely low back
Externí odkaz:
https://doaj.org/article/486eda4727114a849126a7173752d422