Fire influence on regional to global Environments and air quality (FIREX‐AQ)

C Warneke, JP Schwarz, J Dibb… - Journal of …, 2023 - Wiley Online Library
Abstract The NOAA/NASA Fire Influence on Regional to Global Environments and Air
Quality (FIREX‐AQ) experiment was a multi‐agency, inter‐disciplinary research effort to:(a) …

Molecular characterization of water‐soluble brown carbon chromophores in Beijing, China

C Yan, M Zheng, Y Desyaterik… - Journal of …, 2020 - Wiley Online Library
High abundance and strong light absorption of atmospheric brown carbon (BrC) have been
reported in East Asia, especially in northern China. However, the molecular‐level …

A new approach for retrieving the UV–vis optical properties of ambient aerosols

N Bluvshtein, JM Flores, L Segev… - Atmospheric …, 2016 - amt.copernicus.org
Atmospheric aerosols play an important part in the Earth's energy budget by scattering and
absorbing incoming solar and outgoing terrestrial radiation. To quantify the effective …

A novel approach to calibrating a photo-acoustic absorption spectrometer using polydisperse absorbing aerosol

K Foster, R Pokhrel, M Burkhart… - Atmospheric …, 2018 - amt.copernicus.org
A new technique for calibrating photo-acoustic aerosol absorption spectrometers with
multiple laser passes in the acoustic cavity (multi-pass PAS) has been developed utilizing …

Refractive index retrievals for polystyrene latex spheres in the spectral range 220–420 nm

T Galpin, RT Chartier, N Levergood… - Aerosol Science and …, 2017 - Taylor & Francis
The recent development of an Aerosol Extinction Differential Optical Absorption
Spectrometer (AE-DOAS) has allowed for the retrieval of wavelength dependent complex …

Development of an incoherent broad-band cavity-enhanced aerosol extinction spectrometer and its application to measurement of aerosol optical hygroscopicity

W Zhao, X Xu, B Fang, Q Zhang, X Qian, S Wang… - Applied Optics, 2017 - opg.optica.org
We report on the development of a blue light-emitting-diode-based incoherent broad-band
cavity-enhanced absorption spectroscopy (IBBCEAS) instrument for the measurement of the …

Beyond the ångström exponent: Probing additional information in spectral curvature and variability of in situ aerosol hyperspectral (0.3–0.7 μm) optical properties

CE Jordan, BE Anderson, JD Barrick… - Journal of …, 2022 - Wiley Online Library
Ångström exponents (α) allow reconstruction of aerosol optical spectra over a broad range
of wavelengths from measurements at two or more wavelengths. Hyperspectral …

Complex refractive index of vanillic acid aerosol retrieved from 270–600 nm using aerosol extinction and solution phase absorption measurements

V Hosseinpour Hashemi, T Galpin… - Aerosol Science and …, 2024 - Taylor & Francis
The complex refractive index of vanillic acid, a component of biomass burning emission, in
aerosol form generated by atomization is determined from optical measurements over the …

New in situ aerosol hyperspectral optical measurements over 300–700 nm–Part 1: Spectral Aerosol Extinction (SpEx) instrument field validation during the KORUS …

CE Jordan, RM Stauffer, BT Lamb… - Atmospheric …, 2021 - amt.copernicus.org
In situ observations of spectrally resolved aerosol extinction coefficients (300–700 nm at∼
0.8 nm resolution) from the May–June 2016 Korea–United States Ocean Color (KORUS-OC) …

A broadband cavity-enhanced spectrometer for atmospheric aerosol light extinction measurements

S John, M Wang, J Chen, A Pakkatil, Y Du… - Aerosol Science and …, 2021 - Taylor & Francis
Broadband optical cavity spectroscopy is considered as a technology for trace gas detection;
however, recently this has been used for the retrieval of extinction coefficients of aerosols. In …