[PDF] Top 20 The vertical distribution of volcanic SO<sub>2</sub> plumes measured by IASI
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The vertical distribution of volcanic SO<sub>2</sub> plumes measured by IASI
... study of the Nabro eruption, also us- ing the C12 IASI retrieval scheme, is reported in Fromm et ...above the tropopause upon the initial eruption on 12/13 June, and again on 16 ... See full document
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The 2011 Nabro eruption, a SO<sub>2</sub> plume height analysis using IASI measurements
... plot the CALIOP vertical fea- ture mask product, which is a level 2 product (Winker et ...identify volcanic plumes than from the level 1 ...analysis of the level 1 ... See full document
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African biomass burning plumes over the Atlantic: aircraft based measurements and implications for H<sub>2</sub>SO<sub>4</sub> and HNO<sub>3</sub> mediated smoke particle activation
... size distribution of aerosol particles in the size range between 4 nm and 20 µm were measured with a combination of condensation particle coun- ters and a differential mobility particle ... See full document
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Estimating the volcanic emission rate and atmospheric lifetime of SO<sub>2</sub> from space: a case study for Kīlauea volcano, Hawai`i
... into vertical column densities (VCDs), ...via so- called air mass factors (AMFs). AMFs are calculated us- ing the Monte Carlo radiative transfer model (RTM) McAr- tim (Deutschmann et ...albedo ... See full document
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The effect of coal-fired power-plant SO<sub>2</sub> and NO<sub>x</sub> control technologies on aerosol nucleation in the source plumes
... compared the aerosol size distributions measured in plumes from modern power plants with pollution controls to those from older plants without ...found the mod- ern plants to have ... See full document
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The effect of coal-fired power-plant SO<sub>2</sub> and NO<sub>x</sub> control technologies on aerosol nucleation in the source plumes
... Measurements of high concentrations of ultrafine particles have been found in the plumes of coal-fired power plants despite the reduction of emissions from installed ... See full document
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Airborne multi-axis DOAS measurements of tropospheric SO<sub>2</sub> plumes in the Po-valley, Italy
... and the time needed to cross the plume. In this case study, the error is dominated by the uncertainty of wind speed and ...direction. The error bars on the wind ... See full document
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Retrieval of near-surface sulfur dioxide (SO<sub>2</sub>) concentrations at a global scale using IASI satellite observations
... Acknowledgements. IASI has been developed and built under the responsibility of the Cen- tre National d’Etudes Spatiales (CNES, ...board the MetOp satellites as part of ... See full document
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Enhancement of atmospheric H<sub>2</sub>SO<sub>4</sub> / H<sub>2</sub>O nucleation: organic oxidation products versus amines
... kind of saturation behaviour for the number of formed particles can be seen at a relative humidity of 13 % for dimethylamine concentrations ≥ 5 × 10 9 molecule cm −3 ...For the higher ... See full document
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Observations of the 2008 Kasatochi volcanic SO<sub>2</sub> plume by CARIBIC aircraft DOAS and the GOME-2 satellite
... Similar discrepancies are found when using the HYSPLIT trajectory model at different altitudes (10–13 km) or the wind speeds and directions, actually measured on board of the CARIBIC Air[r] ... See full document
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Profiling the PM<sub>2.5</sub> mass concentration vertical distribution in the boundary layer
... in the plane- tary boundary layer. Lidar, in principle, can provide the abil- ity to observe these processes where they ...But the common backscattering lidar system has a shortcoming in the ... See full document
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Observations of volcanic SO<sub>2</sub> from MLS on Aura
... studying the dispersion of volcanic SO 2 , MLS has both advantages and disadvantages over other currently-operating satellite ...provides vertical profiles (see Fig. 2) ... See full document
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Measurements of CH<sub>3</sub>O<sub>2</sub>NO<sub>2</sub> in the upper troposphere
... to the short lifetime of the NO 3 radical, making it an unimpor- tant ...chose the temperature set point based on a scan of air containing acyl peroxy nitrates and non-acyl peroxy ... See full document
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Measurements of CH<sub>3</sub>O<sub>2</sub>NO<sub>2</sub> in the upper troposphere
... Atkinson, R., Baulch, D. L., Cox, R. A., Crowley, J. N., Hamp- son, R. F., Hynes, R. G., Jenkin, M. E., Rossi, M. J., Troe, J., and IUPAC Subcommittee: Evaluated kinetic and photochemi- cal data for atmospheric ... See full document
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Chlorine activation by N<sub>2</sub>O<sub>5</sub>: simultaneous, in situ detection of ClNO<sub>2</sub> and N<sub>2</sub>O<sub>5</sub> by chemical ionization mass spectrometry
... driven by a compact RF-only power supply (2.2 MHz, 220 V p-p) designed at the University of ...Washington. The oc- tupole is mounted on a fourth, and final orifice plate, which drops ... See full document
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Five years of CO, HCN, C<sub>2</sub>H<sub>6</sub>, C<sub>2</sub>H<sub>2</sub>, CH<sub>3</sub>OH, HCOOH and H<sub>2</sub>CO total columns measured in the Canadian high Arctic
... measurements, the ground-based FTIR technique can provide total columns, with good sensitiv- ity in the lower troposphere (compared to satellite measure- ments), as well as long-term spectral acquisition, ... See full document
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Chlorine activation by N<sub>2</sub>O<sub>5</sub>: simultaneous, in situ detection of ClNO<sub>2</sub> and N<sub>2</sub>O<sub>5</sub> by chemical ionization mass spectrometry
... V/cm), the nitrate anion signal dominates. It should be noted that the cluster product ions dissociate in the CDC so the relative signals detected after the CDC provide only ... See full document
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Spatiotemporal variations of air pollutants (O<sub>3</sub>, NO<sub>2</sub>, SO<sub>2</sub>, CO, PM<sub>10</sub>, and VOCs) with land-use types
... observations of the pollutants, except for the VOCs, during the 12-year period were utilized for the tem- poral cycle and trend analyses over the land-use ...types. The ... See full document
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Zeeman effect in atmospheric O<sub>2</sub> measured by ground-based microwave radiometry
... between the measurements and the ...regarding the averaged spectrum for the smallest azimuth angles and a larger broadening (ratios < 1) for the largest an- ...gles. The ... See full document
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On the ability of chemical transport models to simulate the vertical structure of the N<sub>2</sub>O, NO<sub>2</sub> and HNO<sub>3</sub> species in the mid-latitude stratosphere
... calculated by the MIMOSA contour advection model (Hauchecorne et ...to the vertical wind shear occurring during the first stage of the polar vortex ...From the [CH ... See full document
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