Airborne measurements

The airborne monitoring program concentrated on the measurement of ozone to provide supplementary air quality data for various altitudes over the fixed sites. The airborne measurements were conducted in a C-45 aircraft that carried a solid-face chemiluminescent ozone monitor. The ozone meter was cycled every 2 min to provide calibration, purge, measurement, and purge at equal intervals. The sparseness of the airborne data precluded... 

Chapman, E. G., D. V. Kenny, K. M. Busness, J. M. Thorp, and C. W. Spicer, Continuous Airborne Measurements of Gaseous Formic and Acetic Acids over the Western North Atlantic, Geophys. Res. Lett., 22, 405-408 (1995). 

Figure 11.20, for example, is a schematic diagram of a tandem MS used for both surface and airborne measurements in the troposphere (Spicer et al., 1994a). Air is drawn into the sample inlet and ions are formed by a corona discharge generated by high voltage be-... 

Bandy, A. R D. C. Thornton, and A. R. Driedger III, Airborne Measurements of Sulfur Dioxide, Dimethyl Sulfide, Carbon Disulfide, and Carbonyl Sulfide by Isotope Dilution Gas Chromatogra-phy/Mass Spectrometry, . /. Geophys. Res., 98, 23423-23433 (1993). 

Bradshaw, J. D., M. O. Rodgers, S. T. Sandholm, S. KeSheng, and D. D. Davis, A Two-Photon Laser-Induced Fluorescence Field Instrument for Ground-Based and Airborne Measurements of Atmospheric NO, J. Geophys. Res., 90, 12861-12873 (1985). 

Macdonald, A. M., K. G. Anlauf, C. M. Banic, W. R. Leaitch, and H. A. Wiebe, "Airborne Measurements of Aqueous and Gaseous Hydrogen Peroxide during Spring and Summer in Ontario, Canada, J. Geopliys. Res., 100, 7253-7262 (1995). 

King, M. D., L. F. Radke, and P. V. Hobbs, Determination of the Spectral Absorption of Solar Radiation by Marine Stratocumulus Clouds from Airborne Measurements within Clouds, J. Atmos. Sci, 47, 894-907 (1990). 

Novakov, T., D. A. Hegg, and P. V. Hobbs, Airborne Measurements of Carbonaceous Aerosols on the East Coast of the United States, J. Geophys. Res., 102, 30023-30030 (1997b). 

Because the FPD responds to both aerosol and gaseous sulfur species, it has also been possible to modify these instruments to continuously measure aerosol sulfur by selectively removing gaseous sulfur compounds with a lead(II) oxide-glycerol coated denuder (55). Use of such an instrument for airborne measurements of aerosol sulfur in and around broken clouds has been reported (57). In principle, speciation between aerosol sulfate, disulfate, and sulfuric acid by selective thermal decomposition (58, 59) can also be achieved. Flame photometric detectors have also been used as selective detectors for gas chromatography. Thornton and Bandy (60) reported the use of a chromatographic system with a flame photometric detector for airborne measurement of S02 and OCS with a detection limit of 25 pptrv. 

Airborne Measurements of CIO across the vortex edge Data analysis and validation of 3D-models, Proc. XVIII Quadrennial Ozone Symposium, L Aquila, Italy 2,627-630... 

Orsini DA, Ma Y, Sullivan A, Sierau B, Baumann K, Weber RJ (2003) Refinements to the Particle-Into-Liquid-Sampler (PILS) for ground and airborne measurements of water soluble, aerosol composition. Atmos Environ 37 1243-1259... 

An important block of the MBWB is the methods of determination of various parameters of the water cycle. Such methods are based on the use of surface, satellite, and airborne measurements. The MBWB used as a global model makes it easier to understand the role of the oceans and land in the hydrological cycle, to identify the main factors that control it, as well as to trace the dynamics of its interaction with plants, soil, and topographic characteristics of the Earth surface. It is based on the interaction between the elements of the water cycle, and takes natural and anthropogenic factors into account by means of information interfaces with other units of the global model (Krapivin and Kondratyev, 2002). 

Routhier F. and Davis DD., Free tropospheric and boundary layer airborne measurements of H2O over the latitude range of jS S to 70° N Comparison with simultaneous high resolution ozone measurements. J. Geophys. Res. , 83, 7293-7306 (1980). 

Rogers, D. C., DeMott, P. J., Kreidenweis, S. M., Chen, Y. A Continuous-Flow Diffusion Chamber for Airborne Measurements of Ice Nuclei, J. Atmos. Oceanic Technol. 18 (2001) 725-741. 

Spill Science Technology Bulletin 1 11-21 Griiner K, Reuter R, Smid H (1991) A New Sensor System for Airborne Measurements of Maritime Pollution and of Hydrographic Parameters. GeoJoumal 24 103-117... 

Bandy AR, Thornton DC, Driedger AR. 1993a. Airborne measurements of sulfur dioxide, dimethylsulfide, carbon disulfide, and carbonyl sulfide by isotope dilution gas chromotography/mass spectrometry. Journal of Geophysical Research 98 23423-23433. 

Hobbs, P. V., 1971 Simultaneous airborne measurements of cloud condensation nuclei and sodium-containing particles over the ocean. Quart. J. Roy. Meteorol. Soc. 97, 263-271. 

Pfeilsticker, K., and U. Platt, Airborne measurements during the Arctic stratospheric experiment Observations of O3 and NO2. Geophys Res Lett 21, 1375, 1994. 

Coffey, M.T., W.G. Mankin, and A. Goldman, Airborne measurements of stratospheric constituents over Antarctica in the austral spring, 1987 2, Halogen and nitrogen trace gases. J Geophys Res 94, 16,597, 1989. 

FIGURE 3 An Aerosol mass spectrometer allowing real-time size-resolved chemical spe-ciation measurements of fine aerosols, free standing and packaged for airborne measurements. 

FIGURE 4 Aerosol mass spectrometer airborne measurements of fine particle compositional mass loading and size distributions showing two sulfate aerosol layers in air masses from the Ohio River valley. 

Berresheim, H., Andreae, M. O., Ayers, G. P., Gillett, R. W., Merrill, J. T., Davis, V. J., and Chameides, W. L., Airborne measurements of dimethylsulfide, sulfur dioxide, and aerosol ions over the Southern Ocean south of Australia, J. Atmos. Chem., 10, 341-370, 1990. 

---