Results 21 to 30 of about 20,653 (224)

Retrieval of Aerosol Microphysical Properties from Multi-Wavelength Mie–Raman Lidar Using Maximum Likelihood Estimation: Algorithm, Performance, and Application

open access: yesRemote Sensing, 2022
Lidar plays an essential role in monitoring the vertical variation of atmospheric aerosols. However, due to the limited information that lidar measurements provide, ill-posedness still remains a big challenge in quantitative lidar remote sensing. In this
Yuyang Chang   +4 more
doaj   +1 more source

Mobile Observations by Lidar, Sun Photometer and in Situ in North China Plain [PDF]

open access: yesEPJ Web of Conferences, 2020
A mobile laboratory integrating lidar, sun photometer and in situ instruments has been deployed to observe the aerosol spatial variability in North China Plain in May 2017. Results from the campaign are presented.
Popovici Ioana Elisabeta   +15 more
doaj   +1 more source

Synergy of active and passive airborne observations for heating rate calculation during the AEROCLO-sA field campaign in Namibia [PDF]

open access: yesAtmospheric Measurement Techniques
Aerosols have important effects on both local and global climate, as well as on clouds and precipitations. We present original results derived from the airborne observations acquired from the AErosol RadiatiOn and CLOud in Southern Africa (AEROCLO-sA ...
M. Ventura   +12 more
doaj   +1 more source

Variability in lidar-derived particle properties over West Africa due to changes in absorption: towards an understanding [PDF]

open access: yesAtmospheric Chemistry and Physics, 2020
Measurements performed in western Africa (Senegal) during the SHADOW field campaign are analyzed to show that spectral dependence of the imaginary part of the complex refractive index (CRI) of dust can be revealed by lidar-measured particle parameters ...
I. Veselovskii   +7 more
doaj   +1 more source

Satellite inference of water vapour and above-cloud aerosol combined effect on radiative budget and cloud-top processes in the southeastern Atlantic Ocean [PDF]

open access: yesAtmospheric Chemistry and Physics, 2019
Aerosols have a direct effect on the Earth's radiative budget and can also affect cloud development and lifetime, and the aerosols above clouds (AAC) are particularly associated with high uncertainties in global climate models.
L. T. Deaconu   +6 more
doaj   +1 more source

The characterization of long-range transported North American biomass burning plumes: what can a multi-wavelength Mie–Raman-polarization-fluorescence lidar provide? [PDF]

open access: yesAtmospheric Chemistry and Physics, 2022
This article presents a study of long-range transported biomass burning aerosols (BBA) originated from the North American wildfires in September 2020. The BBA plumes presented in this study were in the troposphere and underwent 1–2 weeks of aging before ...
Q. Hu   +3 more
doaj   +1 more source

Invited - Lightwave-Controlled Relativistic Plasma Mirrors At kHz Repetition Rate [PDF]

open access: yesEPJ Web of Conferences
Plasma mirrors driven at kHz-repetition-rate with waveform-controlled relativistic-intensity near-single-cycle laser pulses produce extreme ultraviolet spectral continua supporting isolated attosecond pulses with diffraction limited beam quality. A newly
Cavagna Antoine   +9 more
doaj   +1 more source

Multispectral information from TANSO-FTS instrument – Part 2: Application to aerosol effect on greenhouse gas retrievals [PDF]

open access: yesAtmospheric Measurement Techniques, 2013
This article is the second in a series of studies investigating the benefits of multispectral measurements to improve the atmospheric parameter retrievals.
H. Herbin, L. C. Labonnote, P. Dubuisson
doaj   +1 more source

Multispectral information from TANSO-FTS instrument – Part 1: Application to greenhouse gases (CO2 and CH4) in clear sky conditions [PDF]

open access: yesAtmospheric Measurement Techniques, 2013
The Greenhouse gases Observing SATellite (GOSAT) mission, and in particular the Thermal And Near infrared Sensor for carbon Observations–Fourier Transform Spectrometer (TANSO-FTS) instrument, has the advantage of being able to measure simultaneously the ...
H. Herbin, L. C. Labonnote, P. Dubuisson
doaj   +1 more source

Aerosol above-cloud direct radiative effect and properties in the Namibian region during the AErosol, RadiatiOn, and CLOuds in southern Africa (AEROCLO-sA) field campaign – Multi-Viewing, Multi-Channel, Multi-Polarization (3MI) airborne simulator and sun photometer measurements [PDF]

open access: yesAtmospheric Chemistry and Physics, 2021
We analyse the airborne measurements of above-cloud aerosols from the AErosol, RadiatiOn, and CLOuds in southern Africa (AEROCLO-sA) field campaign performed in Namibia during August and September 2017.
A. Chauvigné   +17 more
doaj   +1 more source

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