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Irreversible loss of ice nucleation active sites in mineral dust particles caused by sulphuric acid condensation
ice nucleation active sites mineral dust particles sulphuric acid condensation
2010/12/20
During the FROST-2 (FReezing Of duST) measurement campaign conducted at the Leipzig Aerosol Cloud Interaction Simulator (LACIS), we investigated changes in the ice nucleation properties of 300 nm Ariz...
Detection of dust aerosol by combining CALIPSO active lidar and passive IIR measurements
dust aerosol CALIPSO active lidar passive IIR measurements
2010/8/12
The version 2 Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) dust layer detection method, which is based only on lidar measurements, misclassified about 43% dust layers (...
The spatial distribution of the reactive iodine species IO from simultaneous active and passive DOAS observations
spatial distribution reactive iodine species IO DOAS observations
2010/3/5
We present investigations of the reactive iodine species (RIS) IO, OIO and I2 in a coastal region from a field campaign simultaneously employing active long path differential optical absorption spectr...
Ice nucleation properties of mineral dust particles: determination of onset RHi, IN active fraction, nucleation time-lag, and the effect of active sites on contact angles
mineral dust particles onset RHi IN active fraction nucleation time-lag
2010/1/18
A newly developed ice nucleation experimental set up was used to investigate the heterogeneous ice nucleation properties of three Saharan and one Spanish dust particle samples. It was observed that th...
Extreme Saharan dust event over the southern Iberian Peninsula in september 2007: active and passive remote sensing from surface and satellite
Extreme Saharan dust event southern Iberian Peninsula september 2007
2009/11/19
This study investigates aerosol optical properties during the extreme Saharan dust event detected from 3 to 7 September 2007 over Granada, southern Iberian Peninsula, with both active and passive remo...
NOx production by lightning in Hector: first airborne measurements during SCOUT-O3/ACTIVE
lightning Hector SCOUT-O3/ACTIVE
2009/11/19
During the SCOUT-O3/ACTIVE field phase in November–December 2005, airborne in situ measurements were performed inside and in the vicinity of thunderstorms over northern Australia with several research...
Lightning-produced NOx during the Northern Australian monsoon; results from the ACTIVE campaign
Lightning-produced NOx Northern Australian monsoon ACTIVE campaign
2009/10/9
Measurements of nitrogen oxides onboard a high altitude aircraft were carried out for the first time during the Northern Australian monsoon in the framework of the Aerosol and Chemical Transport in Tr...
Aerosol and thermodynamic effects on tropical cloud systems during TWPICE and ACTIVE
Aerosol and thermodynamic effects tropical cloud systems TWPICE ACTIVE
2009/3/12
Regularly occurring storms over the Tiwi Islands, north of Darwin, Australia are used as a laboratory for investigating the relative importance of thermodynamic parameters, shear and aerosols on the a...
Effect of smoke and clouds on the transmissivity of photosynthetically active radiation inside the canopy
Effect of smoke and clouds transmissivity of photosynthetically active radiation canopy
2009/1/7
Biomass burning activities emit high concentrations of aerosol particles to the atmosphere. Such particles can interact with solar radiation, decreasing the amount of light reaching the surface and in...
Global estimation of burned area using MODIS active fire observations
Global estimation burned area MODIS active fire
2009/1/5
We present a method for estimating monthly burned area globally at 1° spatial resolution using Terra MODIS data and ancillary vegetation cover information. Using regression trees constructed for 14 di...