[PDF] Top 20 Observations of the 2008 Kasatochi volcanic SO<sub>2</sub> plume by CARIBIC aircraft DOAS and the GOME-2 satellite
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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
15
A comparison of DOAS observations by the CARIBIC aircraft and the GOME-2 satellite of the 2008 Kasatochi volcanic SO<sub>2</sub> plume
... The retrieval of the aerosol optical properties is addressed and external information is included, however the influence of the aerosols on the O 4 slant column is outweighed by a large [r] ... See full document
36
Modeling of 2008 Kasatochi volcanic sulfate direct radiative forcing: assimilation of OMI SO<sub>2</sub> plume height data and comparison with MODIS and CALIOP observations
... form of ammonium sulfate (Wang et al., 2008), stratospheric volcanic sulfate aerosols may less neutralized (more acid) and thus have greater hygroscopicity than tropo- spheric sulfate aerosols ... See full document
18
Detecting volcanic sulfur dioxide plumes in the Northern Hemisphere using the Brewer spectrophotometers, other networks, and satellite observations
... Mean SO 2 column departures from the unperturbed 10-day pre-volcanic baseline measured by Brewers, OMI (TRM, STL) and GOME-2 during August–September 2008 ... See full document
24
Direct estimation of the rate constant of the reaction ClO + HO<sub>2</sub> → HOCl + O<sub>2</sub> from SMILES atmospheric observations
... in the stratosphere and mesosphere. We performed 3d-runs, the last 24 h of which were used for the ...latitude and altitude bins) were used for the initialization ... See full document
27
Evaluation of tropospheric SO<sub>2</sub> retrieved from MAX-DOAS measurements in Xianghe, China
... NO 2 (Wang et al., 2014). One can conclude that both NO 2 and SO 2 display a similar seasonal varia- tion and are impacted in the same way by meteorological ... See full document
36
Assimilation of surface NO<sub>2</sub> and O<sub>3</sub> observations into the SILAM chemistry transport model
... since the analysis scheme assumes an unbiased ...OECM and BECM produces more biased analy- ses compared to the first-guess setup, as seen in ...shown by Dee (2005), such issues can in ... See full document
33
A two-channel, Thermal Dissociation Cavity-Ringdown Spectrometer for the detection of ambient NO<sub>2</sub>, RO<sub>2</sub>NO<sub>2</sub> and RONO<sub>2</sub>
... ity of 0.999965 (Advanced Thin Films). The mirrors are mounted in a self-made mirror holder system, the ∼ 70 cm distance between them being rigidly fixed using three hol- low carbon-fibre rods ... See full document
64
Retrieval algorithm for CO<sub>2</sub> and CH<sub>4</sub> column abundances from short-wavelength infrared spectral observations by the Greenhouse Gases Observing Satellite
... Crisp, D., Atlas, R. M., Breon, F.-M., Brown, L. R., Burrows, J. P., Ciais, P., Connor, B. J., Doney, S. C., Fung, I. Y., Jacob, D. J., Miller, C. E., O’Brien, D., Pawson, S., Randerson, J. T., Rayner, P., Salawitch, R. ... See full document
43
Retrieval of near-surface sulfur dioxide (SO<sub>2</sub>) concentrations at a global scale using IASI satellite observations
... for the morning (blue) and evening (red) overpasses of ...IASI. The averages have been calculated in a circle of 125 and 75 km radius around re- spectively Beijing and Sar ... See full document
47
Gaseous (DMS, MSA, SO<sub>2</sub>, H<sub>2</sub>SO<sub>4</sub> and DMSO) and particulate (sulfate and methanesulfonate) sulfur species over the northeastern coast of Crete
... shows the diurnal variation of normalized DMSO during the MINOS ...(L.T). The DMSO minimum occurs almost si- multaneously with the OH maximum and therefore, may be attributable ... See full document
16
Airborne multi-axis DOAS measurements of tropospheric SO<sub>2</sub> plumes in the Po-valley, Italy
... A., and Puxbaum, H.: On- line measurement of sulfur dioxide at the 3 km level over central Europe (Sonnblick, observatory, Austria) and statistical trajec- tory source analysis, ...L., ... See full document
10
An improved tropospheric NO<sub>2</sub> retrieval for satellite observations in the vicinity of mountainous terrain
... Table 2. Monthly medians of the ratio of NO 2 measurements performed with photolytic and molybdenum converters at Taenikon, Switzerland, under clear-sky conditions (sunshine ... See full document
44
Inverse modeling of CO<sub>2</sub> sources and sinks using satellite observations of CO<sub>2</sub> from TES and surface flask measurements
... Ciattaglia, L., Apadula, F., Heltai, D., Meinhardt, F., di Sarra, A. G., Piacentino, S., Sferlazzo, D., Aalto, T., Hatakka, J., Str ¨om, J., Haszpra, L., Meijer, H. A. J., van der Laan, S., Neubert, R. E. M., Jordan, A., ... See full document
49
A two-channel thermal dissociation cavity ring-down spectrometer for the detection of ambient NO<sub>2</sub>, RO<sub>2</sub>NO<sub>2</sub> and RONO<sub>2</sub>
... which the absorption path length is enhanced by a high finesse cav- ity formed by a set of two highly reflective ...into the cavity via one (front) mirror. The present experiment ... See full document
24
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
... built by an international scientific group and is currently funded by a large number of agencies, especially from France, UK, US and ...been the beneficiary of a major ... See full document
15
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 ... See full document
27
Measurements of N<sub>2</sub>O<sub>5</sub>, NO<sub>2</sub>, and O<sub>3</sub> east of the San Francisco Bay
... scatter and to exclude ambient light from the cell. The laser power exiting the cell was monitored by a ...photodiode. The electric field vector of the laser light ... See full document
21
Observations of total RONO<sub>2</sub> over the boreal forest: NO<sub>x</sub> sinks and HNO<sub>3</sub> sources
... y-axis) and for OH concentration (grey line, right ...steady-state the ratio of HNO 3 to NO 2 should equivalent to OH. The difference in these two lines as a function of NOx ... See full document
54
Mobile mini-DOAS measurement of the outflow of NO<sub>2</sub> and HCHO from Mexico City
... between the simulated and measured columns is that the urban plume is more spread out in the numerical simulations even though the total fluxes are in rea- sonable ...that ... See full document
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