This commentary paper from the recently formed International Global Atmospheric
Chemistry (IGAC) Southern Hemisphere Working Group outlines key issues in atmospheric …

A comprehensive comparison of more than 70 000 synchronous 1 min aerosol optical depth
(AOD) data from three Global Atmosphere Watch precision-filter radiometers (GAW-PFR) …

The World Optical Depth Research Calibration Center (WORCC) is a section within the
World Radiation Center at Physikalisches-Meteorologisches Observatorium (PMOD/WRC) …

Sentinel-2 is a constellation of two satellites launched by the European Space Agency
(ESA), respectively on 23 June 2015 and 7 March 2017, to map geophysical parameters …

South Africa's Cape Point (CPT) trace gas observatory, operated by the South African
Weather Service (SAWS), has been monitoring mole fractions (mol/vol) of ambient …

Atmospheric aerosols play a crucial role in regional radiative budgets. Previous studies on
clear-sky aerosol direct radiative forcing (ADRF) have mainly been limited to site-scale …

Ground-based observations of the spectral aerosol optical depths (AODs) revealed that the
northwest of South Africa (SA) possessed large aerosol loading and still remained …

To build a long-term database and improve the accuracy of the satellite products used for
aerosol studies, there is a need to carry out intercomparison and validation of these satellite …

We analyze ten years (2008–2017) of ground-based observations of the Aerosol Optical
Depth (AOD) in the atmosphere of Kuwait City, in Middle East. The measurements were …

The detailed analysis of columnar optical and microphysical properties of aerosols obtained
from the AErosol RObotic NETwork (AERONET) Cimel sun photometer operated at Skukuza …