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Aerosol properties associated with air masses arriving into the North East Atlantic during the 2008 Mace Head EUCAARI intensive observing period: an overview
air masses the North East Atlantic the 2008 Mace Head EUCAARI intensive observing period
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2010/9/21
As part of the EUCAARI Intensive Observing Period, a 4-week campaign to measure aerosol physical, chemical and optical properties, atmospheric structure, and cloud microphysics was conducted from mid-...
Modelling the chemically aged and mixed aerosols over the eastern central Atlantic Ocean – potential impacts
the chemically aged and mixed aerosols the eastern central Atlantic Ocean
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2010/8/13
Detailed information on the chemical and physical properties of aerosols is important for assessing their role in air quality and climate. This work explores the origin and fate of continental aerosol...
Measurement and modelling of tropospheric reactive halogen species over the tropical Atlantic Ocean
tropospheric reactive halogen species the tropical Atlantic Ocean
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2010/8/13
Although tropospheric reactive halogen chemistry is well studied in coastal and polar environments, the presence of halogens over the open ocean environment has not been widely reported. The impacts o...
The chemistry of OH and HO2 radicals in the boundary layer over the tropical Atlantic Ocean
OH and HO2 radicals boundary layer tropical Atlantic Ocean
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2010/2/21
Fluorescence Assay by Gas Expansion (FAGE) has been used to detect ambient levels of OH and HO2 radicals at the Cape Verde Atmospheric Observatory, located in the tropical Atlantic marine boundary lay...
Reactive Halogens in the Marine Boundary Layer (RHaMBLe): the tropical North Atlantic experiments
Halogens Marine Boundary Layer RHaMBLe
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2010/2/21
The NERC UK SOLAS-funded Reactive Halogens in the Marine Boundary Layer (RHaMBLe) programme comprised three field experiments. This manuscript presents an overview of the measurements made within the ...
Aerosol characterization in Northern Africa, Northeastern Atlantic, Mediterranean Basin and Middle East from direct-sun AERONET observations
Aerosol characterization Northern Africa Northeastern Atlantic Mediterranean Basin Middle East direct-sun AERONET observations
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2009/11/19
We provide an atmospheric aerosol characterization for North Africa, Northeastern Atlantic, Mediterranean and Middle East based on the analysis of quality-assured direct-sun observations of 39 station...
Patterns of North African dust transport over the Atlantic: winter vs. summer, based on CALIPSO first year data
North African dust transport Atlantic CALIPSO
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2009/11/9
One of the most important factors that determine the transported dust effect on the atmosphere is its vertical distribution. In this study the vertical structure of North African dust and stratiform l...
Latitudinal variation in the multiphase chemical processing of inorganic halogens and related species over the eastern North and South Atlantic Oceans
Latitudinal variation inorganic halogens eastern North and South Atlantic Oceans
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2009/10/9
Volatile inorganic and size-resolved particulate Cl- and Br-species were measured in near-surface air over a broad range of conditions within four distinct regimes (European – EURO, North African – N-...
Air-sea fluxes of biogenic bromine from the tropical and North Atlantic Ocean
Air-sea fluxes biogenic bromine tropical and North Atlantic Ocean
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2009/3/13
Air-sea fluxes and bulk seawater and atmospheric concentrations of bromoform (CHBr3) and dibromomethane (CH2Br2) were measured during two research cruises in the northeast Atlantic (53–59° N, June–Jul...
Saharan dust transport and deposition towards the tropical northern Atlantic
Saharan dust transport tropical northern Atlantic
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2009/3/13
We present a study of Saharan dust export towards the tropical North Atlantic using the regional dust emission, transport and deposition model LM-MUSCAT. Horizontal and vertical distribution of dust o...
The impact of diurnal variability in sea surface temperature on the central Atlantic air-sea CO2 flux
sea surface temperature central Atlantic air-sea CO2 flux
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2009/3/12
The effect of diurnal variations in sea surface temperature (SST) on the air-sea flux of CO2 over the central Atlantic ocean and Mediterranean Sea (60 S–60 N, 60 W–45 E) is evaluated for 2005–2006. We...
The North Atlantic Oscillation controls air pollution transport to the Arctic
North Atlantic Oscillation air pollution the Arctic
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2009/3/11
This paper studies the interannual variability of pollution pathways from northern hemisphere (NH) continents into the Arctic. Using a 15-year model simulation of the dispersion of passive tracers rep...
Hygroscopic properties of different aerosol types over the Atlantic and Indian Oceans
Hygroscopic properties aerosol types Atlantic Oceans Indian Oceans
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2009/3/11
Hygroscopic properties of atmospheric particles were studied in the marine tropospheric boundary layer over the Atlantic and Indian Oceans during two consecutive field studies: the Aerosols99 cruise (...
Linking horizontal and vertical transports of biomass fire emissionsto the tropical Atlantic ozone paradox during the Northern Hemisphere winter season: climatology
biomass fire emissionsto tropical Atlantic ozone paradox Northern Hemisphere winter
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2009/2/24
During the Northern hemisphere winter season, biomass burning is widespread in West Africa, yet the total tropospheric column ozone values (<30DU) over much of the Tropical Atlantic Ocean (15°N-5°S) ...
Sources and sinks of acetone, methanol, and acetaldehyde in North Atlantic marine air
sinks acetone methanol acetaldehyde North Atlantic marine air
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2009/2/12
Measurements of acetone, methanol, acetaldehyde and a range of non-methane hydrocarbons have been made in North Atlantic marine air at the Mace Head observatory. Under maritime conditions the combina...