Zobrazeno 1 - 10
of 175
pro vyhledávání: '"E. Landulfo"'
Autor:
C. M. Leme Beu, E. Landulfo
Publikováno v:
Wind Energy Science, Vol 9, Pp 1431-1450 (2024)
Accurate estimation of the wind speed profile is crucial for a range of activities such as wind energy and aviation. The power law and the logarithmic-based profiles have been widely used as universal formulas to extrapolate the wind speed profile. H
Externí odkaz:
https://doaj.org/article/2a3e833a67b84aaa88da6c628557b2a3
Autor:
J. V. Pallotta, S. A. de Carvalho, F. J. D. S. Lopes, A. Cacheffo, E. Landulfo, H. M. J. Barbosa
Publikováno v:
Geoscientific Instrumentation, Methods and Data Systems, Vol 12, Pp 171-185 (2023)
Atmospheric lidars can simultaneously measure clouds and aerosols with high temporal and spatial resolution and hence help understand cloud–aerosol interactions, which are the source of major uncertainties in future climate projections. However, at
Externí odkaz:
https://doaj.org/article/b2a21b506c7f4b75b949822c0e55a1b8
Autor:
G. de Arruda Moreira, F. J. da Silva Lopes, J. L. Guerrero-Rascado, J. J. da Silva, A. Arleques Gomes, E. Landulfo, L. Alados-Arboledas
Publikováno v:
Atmospheric Measurement Techniques, Vol 12, Pp 4261-4276 (2019)
The lowest region of the troposphere is a turbulent layer known as the atmospheric boundary layer (ABL) and characterized by high daily variability due to the influence of surface forcings. This is the reason why detecting systems with high spatial a
Externí odkaz:
https://doaj.org/article/1e824be31c414c16839271e8757f0219
Autor:
G. de Arruda Moreira, J. L. Guerrero-Rascado, J. A. Benavent-Oltra, P. Ortiz-Amezcua, R. Román, A. E. Bedoya-Velásquez, J. A. Bravo-Aranda, F. J. Olmo Reyes, E. Landulfo, L. Alados-Arboledas
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 1263-1280 (2019)
The planetary boundary layer (PBL) is the lowermost region of troposphere and is endowed with turbulent characteristics, which can have mechanical and/or thermodynamic origins. This behavior gives this layer great importance, mainly in studies about
Externí odkaz:
https://doaj.org/article/8755c7a05c9d4f42b536ab2f6571c741
Publikováno v:
Atmospheric Measurement Techniques, Vol 12, Pp 119-128 (2019)
We present the results of methane profiling in the lower troposphere using LILAS Raman lidar from the Lille University observatory platform (France). The lidar is based on a frequency-tripled Nd:YAG laser, and nighttime profiling up to 4000 with 100
Externí odkaz:
https://doaj.org/article/7081eba847bb422f952a6a3bf6cb3a5d
Autor:
C. E. Souto-Oliveira, M. D. F. Andrade, P. Kumar, F. J. D. S. Lopes, M. Babinski, E. Landulfo
Publikováno v:
Atmospheric Chemistry and Physics, Vol 16, Pp 14635-14656 (2016)
Atmospheric aerosol is the primary source of cloud condensation nuclei (CCN). The microphysics and chemical composition of aerosols can affect cloud development and the precipitation process. Among studies conducted in Latin America, only a handfu
Externí odkaz:
https://doaj.org/article/0fadca4c5c1b4a09ae31e208a910cdde
Publikováno v:
Atmospheric Measurement Techniques, Vol 6, Iss 11, Pp 3281-3299 (2013)
Since the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) satellite first began probing the Earth's atmosphere on 13 June 2006, several research groups dedicated to investigating the atmosphere's optical properties have c
Externí odkaz:
https://doaj.org/article/349106d8a10545548ccac7460609564c
Publikováno v:
Atmospheric Measurement Techniques, Vol 6, Iss 11, Pp 3197-3210 (2013)
This paper presents a methodology to calculate lidar ratios for distinct cirrus clouds that has been developed and implemented for a site located in the Southern Hemisphere. The cirrus cloud lidar data processing aims to consider a large cloud variab
Externí odkaz:
https://doaj.org/article/3496b8ebd261487d8a8914ce7cecac11
Publikováno v:
Atmospheric Chemistry and Physics, Vol 9, Iss 18, Pp 6767-6774 (2009)
We describe a comparison study of Aerosol Optical Thickness (AOT) from numerical simulations using a regional atmospheric model with an elastic backscattering lidar operating at 532 nm and a sunphotometer belonging to the AERONET network at São Paul
Externí odkaz:
https://doaj.org/article/3261407d3ebe4752ab55b596674163e2
Autor:
E. Landulfo, A. Papayannis, P. Artaxo, A. D. A. Castanho, A. Z. de Freitas, R. F. Souza, N. D. Vieira Junior, M. P. M. P. Jorge, O. R. Sánchez-Ccoyllo, D. S. Moreira
Publikováno v:
Atmospheric Chemistry and Physics, Vol 3, Iss 5, Pp 1523-1539 (2003)
A backscattering LIDAR system, the first of this kind in Brazil, has been set-up in a suburban area in the city of São Paulo (23º33' S, 46º44' W) to provide the vertical profile of the aerosol backscatter coefficient at 532 nm up to an altitude of
Externí odkaz:
https://doaj.org/article/a697f30923b944be8a0cb07f631718e2