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Primary biological aerosol particles in the atmosphere: a review
Abstract Atmospheric aerosol particles of biological origin are a very diverse group of biological materials and structures, including microorganisms, dispersal units, fragments and excretions of…
Global distribution of the effective aerosol hygroscopicity parameter for CCN activation
Abstract. In this study we use the ECHAM/MESSy Atmospheric Chemistry (EMAC) model to simulate global fields of the effective hygroscopicity parameter κ which approximately describes the influence of…
Raman microspectroscopy of soot and related carbonaceous materials: Spectral analysis and structural information
Atmospheric aerosols: composition, transformation, climate and health effects.
- U. Pöschl
- Environmental ScienceAngewandte Chemie
- 25 November 2005
The current state of knowledge, major open questions, and research perspectives on the properties and interactions of atmospheric aerosols and their effects on climate and human health are outlined.
Glass transition and phase state of organic compounds: dependency on molecular properties and implications for secondary organic aerosols in the atmosphere.
- T. Koop, Johannes Bookhold, M. Shiraiwa, U. Pöschl
- Materials SciencePhysical chemistry chemical physics : PCCP
- 25 October 2011
Estimates for the glass forming properties of atmospheric secondary organic aerosol (SOA) are presented and how the viscosity in liquid, semi-solid and glassy states affect the diffusivity of those molecules constituting the organic matrix are shown.
Contribution of cryptogamic covers to the global cycles of carbon and nitrogen
Many terrestrial surfaces are covered by photoautotrophic communities, which are capable of synthesizing their own food from inorganic substances using sunlight. According to an analysis of…
Reactive nitrogen chemistry in aerosol water as a source of sulfate during haze events in China
It is found that the missing source of sulfate and particulate matter can be explained by reactive nitrogen chemistry in aerosol water, whereby high reaction rates are sustained by the high neutralizing capacity of the atmosphere in northern China.
Calibration and measurement uncertainties of a continuous-flow cloud condensation nuclei counter (DMT-CCNC): CCN activation of ammonium sulfate and sodium chloride aerosol particles in theory and…
Experimental and theoretical uncertainties in the measurement of cloud condensation nuclei (CCN) with a continuous-flow thermal-gradient CCN counter from Droplet Measurement Technologies (DMT-CCNC)…
Contribution of fungi to primary biogenic aerosols in the atmosphere: wet and dry discharged spores, carbohydrates, and inorganic ions
Biogenic aerosols play important roles in atmospheric chemistry physics, the biosphere, climate, and public health. Here, we show that fungi which actively discharge their spores with liquids into…
Exploring the severe winter haze in Beijing: the impact of synoptic weather, regional transport and heterogeneous reactions
Abstract. Extreme haze episodes repeatedly shrouded Beijing during the winter of 2012–2013, causing major environmental and health problems. To better understand these extreme events, we performed a…