Zobrazeno 1 - 10
of 79
pro vyhledávání: '"D. N. Whiteman"'
Autor:
C. I. Moreno, R. Krejci, J.-L. Jaffrezo, G. Uzu, A. Alastuey, M. F. Andrade, V. Mardóñez, A. M. Koenig, D. Aliaga, C. Mohr, L. Ticona, F. Velarde, L. Blacutt, R. Forno, D. N. Whiteman, A. Wiedensohler, P. Ginot, P. Laj
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 2837-2860 (2024)
The chemical composition of PM10 and non-overlapping PM2.5 was studied at the summit of Mt. Chacaltaya (5380 m a.s.l., lat. −16.346950°, long. −68.128250°) providing a unique long-term record spanning from December 2011 to March 2020. The chemi
Externí odkaz:
https://doaj.org/article/4ec6f05b3e674d1fac7ac81668482fbe
Autor:
D. Pérez-Ramírez, D. N. Whiteman, I. Veselovskii, R. Ferrare, G. Titos, M. J. Granados-Muñoz, G. Sánchez-Hernández, F. Navas-Guzmán
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 12021-12048 (2021)
This work focuses on the characterization of vertically resolved aerosol hygroscopicity properties and their direct radiative effects through a unique combination of ground-based and airborne remote sensing measurements during the Column and Vertical
Externí odkaz:
https://doaj.org/article/2665f9c53fe54265b29df0fdd7a7733c
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:
I. Veselovskii, P. Goloub, T. Podvin, D. Tanre, A. da Silva, P. Colarco, P. Castellanos, M. Korenskiy, Q. Hu, D. N. Whiteman, D. Pérez-Ramírez, P. Augustin, M. Fourmentin, A. Kolgotin
Publikováno v:
Atmospheric Measurement Techniques, Vol 11, Pp 949-969 (2018)
Observations of multiwavelength Mie–Raman lidar taken during the SHADOW field campaign are used to analyze a smoke–dust episode over West Africa on 24–27 December 2015. For the case considered, the dust layer extended from the ground up to a
Externí odkaz:
https://doaj.org/article/12c71c6c599a46589e3fa8f8d156d84f
Publikováno v:
Atmospheric Measurement Techniques, Vol 9, Iss 9, Pp 4269-4278 (2016)
For the first time, vertical profiles of the 1064 nm particle extinction coefficient obtained from Raman lidar observations at 1058 nm (nitrogen and oxygen rotational Raman backscatter) are presented. We applied the new technique in the framework of
Externí odkaz:
https://doaj.org/article/9452d76271df41f4a6bc15c7da0ed409
Autor:
I. Veselovskii, P. Goloub, T. Podvin, V. Bovchaliuk, Y. Derimian, P. Augustin, M. Fourmentin, D. Tanre, M. Korenskiy, D. N. Whiteman, A. Diallo, T. Ndiaye, A. Kolgotin, O. Dubovik
Publikováno v:
Atmospheric Chemistry and Physics, Vol 16, Pp 7013-7028 (2016)
West Africa and the adjacent oceanic regions are very important locations for studying dust properties and their influence on weather and climate. The SHADOW (study of SaHAran Dust Over West Africa) campaign is performing a multiscale and multilab
Externí odkaz:
https://doaj.org/article/8a3351520d6d4bdca356be5802f0fed2
Publikováno v:
Atmospheric Measurement Techniques, Vol 8, Iss 10, Pp 4111-4122 (2015)
Vibrational Raman scattering from nitrogen is commonly used in aerosol lidars for evaluation of particle backscattering (β) and extinction (α) coefficients. However, at mid-visible wavelengths, particularly in the daytime, previous measurements hav
Externí odkaz:
https://doaj.org/article/59a29c0c4939467588ce08ad6365f1c5
Autor:
D. Pérez-Ramírez, I. Veselovskii, D. N. Whiteman, A. Suvorina, M. Korenskiy, A. Kolgotin, B. Holben, O. Dubovik, A. Siniuk, L. Alados-Arboledas
Publikováno v:
Atmospheric Measurement Techniques, Vol 8, Iss 8, Pp 3117-3133 (2015)
This work deals with the applicability of the linear estimation technique (LE) to invert spectral measurements of aerosol optical depth (AOD) provided by AERONET CIMEL sun photometers. The inversion of particle properties using only direct-sun AODs a
Externí odkaz:
https://doaj.org/article/b51182686f944d1f818eac05b1e708ae
Autor:
D. Pérez-Ramírez, D. N. Whiteman, I. Veselovskii, A. Kolgotin, M. Korenskiy, L. Alados-Arboledas
Publikováno v:
Atmospheric Measurement Techniques, Vol 6, Iss 11, Pp 3039-3054 (2013)
In this work we study the effects of systematic and random errors on the inversion of multiwavelength (MW) lidar data using the well-known regularization technique to obtain vertically resolved aerosol microphysical properties. The software implement
Externí odkaz:
https://doaj.org/article/f109979797d34de09145311f425b65e4
Autor:
I. Veselovskii, D. N. Whiteman, M. Korenskiy, A. Kolgotin, O. Dubovik, D. Perez-Ramirez, A. Suvorina
Publikováno v:
Atmospheric Measurement Techniques, Vol 6, Iss 10, Pp 2671-2682 (2013)
The results of the application of the linear estimation technique to multiwavelength Raman lidar measurements performed during the summer of 2011 in Greenbelt, MD, USA, are presented. We demonstrate that multiwavelength lidars are capable not only of
Externí odkaz:
https://doaj.org/article/8e0321d1001143f5a9acc0a6c2d1e409