38 publication(s) trouvée(s)
Article scientifique
Late autumn aerosol trace element composition and source tracking over the southern Mozambique Channel
Abstract. The southern Mozambique Channel (20–30° S) receives a range of atmospheric influences, from desert dust and fire emissions through …
Article scientifique
Elemental composition, iron mineralogy, and solubility of anthropogenic and natural mineral dust aerosols in Namibia: a case study analysis from the AEROCLO-sA campaign – Part 2
This paper presents the results of 3 weeks of aerosol sampling at the Henties Bay coastal site in Namibia during …
Article scientifique
Contrasting solubility and speciation of metal ions in total suspended particulate matter and fog from the coast of Namibia – Part 1
The western coast of southern Africa is a region of particular climate interest and crossroads for aerosols of different origins …
Article scientifique
Measurement report: Long-term measurements of surface ozone and trends in semi-natural sub-Saharan African ecosystems
For nearly 30 years, the International Network to study Deposition and Atmospheric chemistry in AFrica (INDAAF) programme has measured surface …
Article scientifique
Opinion: Strengthening research in the Global South – atmospheric science opportunities in South America and Africa
To tackle the current pressing atmospheric science issues, as well as those in the future, a robust scientific community is …
Article scientifique
The radiative impact of biomass burning aerosols on dust emissions over Namibia and the long-range transport of smoke observed during the Aerosols, Radiation and Clouds in southern Africa (AEROCLO-sA) campaign
The radiative effects of biomass burning aerosols (BBAs) on low-level atmospheric circulation over southern Africa are investigated on 5 September …
Article scientifique
Fractional solubility of iron in mineral dust aerosols over coastal Namibia: a link to marine biogenic emissions?
Abstract. This paper presents the first investigation of the solubility of iron in mineral dust aerosols collected at the Henties …
Article scientifique
Chemically speciated air pollutant emissions from open burning of household solid waste from South Africa
Abstract. Open burning of household solid waste is a large source of air pollutants worldwide, especially in the Global South. …
Article scientifique
Sources and long-term variability of carbon monoxide at Mount Kenya and in Nairobi
Abstract. Carbon monoxide (CO) concentrations in the troposphere are decreasing globally, with Africa as an exception. Yet, the region is …
Article scientifique
Sensitivity of cloud-phase distribution to cloud microphysics and thermodynamics in simulated deep convective clouds and SEVIRI retrievals
The formation of ice in clouds is an important process in mixed-phase clouds, and the radiative properties and dynamical developments …
Article scientifique
Trends and seasonal variability in ammonia across major biomes in western and central Africa inferred from long-term series of ground-based and satellite measurements
Ammonia (NH 3 ) is the most abundant alkaline component in the atmosphere. Changes in NH 3 concentrations have important …
Article scientifique
Characterization of gas and particle emissions from open burning of household solid waste from South Africa
Open burning of household and municipal solid waste is a frequent practice in many developing countries. Due to limited resources …
Article scientifique
An analysis of CMAQ gas-phase dry deposition over North America through grid-scale and land-use-specific diagnostics in the context of AQMEII4
The fourth phase of the Air Quality Model Evaluation International Initiative (AQMEII4) is conducting a diagnostic intercomparison and evaluation of …
Article scientifique
A seasonal analysis of aerosol NO 3 − sources and NO x oxidation pathways in the Southern Ocean marine boundary layer
Nitrogen oxides, collectively referred to as NO x (NO + NO 2 ), are an important component of atmospheric chemistry …
Article scientifique
Smoke in the river: an Aerosols, Radiation and Clouds in southern Africa (AEROCLO-sA) case study
Abstract. The formation of a river of smoke crossing southern Africa was investigated during the Aerosols, Radiation and Clouds in …
Article scientifique
Changes in biomass burning, wetland extent, or agriculture drive atmospheric NH 3 trends in select African regions
Abstract. Atmospheric ammonia (NH3) is a precursor to fine particulate matter and a source of nitrogen (N) deposition that can …
Article scientifique
Chemical composition and source apportionment of atmospheric aerosols on the Namibian coast
Abstract. The chemical composition of aerosols is of particular importance to assess their interactions with radiation, clouds and trace gases …
Article scientifique
Measurement report: Statistical modelling of long-term trends of atmospheric inorganic gaseous species within proximity of the pollution hotspot in South Africa
Abstract. South Africa is considered an important source region of atmospheric pollutants, which is compounded by high population and industrial …
Article scientifique
Atmospheric mercury in the Southern Hemisphere – Part 2: Source apportionment analysis at Cape Point station, South Africa
Abstract. Mercury (Hg) contamination is ubiquitous. In order to assess its emissions, transport, atmospheric reactivity, and deposition pathways, worldwide Hg …
Article scientifique
Atmospheric mercury in the Southern Hemisphere – Part 1: Trend and inter-annual variations in atmospheric mercury at Cape Point, South Africa, in 2007–2017, and on Amsterdam Island in 2012–2017
Abstract. The Minamata Convention on Mercury (Hg) entered into force in 2017, committing its 116 parties (as of January 2019) …
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